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simatic c7-633 siemens - klawiatura keyboard 24x20cm manual

1. EGG JA EA f s z K X X ma 9 l A 15 p A E a LA B a M m PEDDLE T 9 sta a 15 a Ega E A X lt x x x x x x ii 5 95 Transparent LED window Key surface can be labeled a 3 Figure 2 1 Dimensions of the Labeling Strips for the C7 633 A Eaa 150 a EA f s Z x x x lt x x x x jani B 5 21 43 P A 15 AE Eaa a a EA a x x x x x x x Pa 5 95 a ras Eaa LA x f x j x i Xx j x l x j Xx j x Transparent LED window Key surface can be labeled Figure 2 2 Dimensions of the Labeling Strips for the C7 634 C7 633 C7 634 Control Systems C79000 G7076 C634 01 2 3 Installation and Setup Guidelines for the C7 Changing Labeling Sirips 2 4 The C7 is designed for user friendly insertion of the labeling strips The labeling strips should only be changed when the C7 is not installed Proceed
2. Horizontal axis a a gt 15 i Figure 2 6 Gap Dimensions to be Observed when Installing the C7 T e A Figure 2 7 Dimension Drawings for the C7 633 DP C7 634 DP C7 633 C7 634 Control Systems C79000 G7076 C634 01 2 7 Installation and Setup Guidelines for the C7 2 8 230 158 o p 2 lt p F a 26 9 WAA 6 2 89 4 67 4 Figure 2 8 Dimension Drawings for the C7 633 P C7 634 P C7 633 C7 634 Control Systems C79000 G7076 C634 01 Installation and Setup Guidelines for the C7 2 3 Electrical Installation Overview The following plug and socket connectors interfaces required for connecting the various inputs and outputs of t
3. Table 1 1 Connectable Components of a C7 Component Function Illustration C7 I O module is used for expanding the expansion I Os integrated I Os by 16 digital inputs 16 digital outputs 4 analog inputs 4 analog outputs and 4 universal inputs directly on the device C7 simulator modules with switches and LEDs to allow simulation of 16 digital inputs and 16 digital outputs It can be connected to the C7 via an IM 361 SIMATIC TOP Connect permits easy fast and reliable wiring of the I O and power supply connectors OP operator panel executes operator interface functions Oo a a gt H PROFIBUS bus cable with bus connects nodes of an MPI network wl connector or L2 DP network together Programming device cable MPI connects a programming device PC to a C7 Programming device cable serial connects a programming device PC to a C7 RS 232 TTY Serial transfer with ProTool Printer prints out operator interface ih messages for the C7 DIERN C7 633 C7 634 Control Systems C79000 G7076 C634 01 1 7 Product Overview Table 1 1 Connectable Components of a C7 Component Programming device PG or PC with the STEP 7 and ProTool Function configures assigns parameters programs and tests the C7 Illustration software packages RS 485 repeater for amplifying the signals in an oy MPI network or L2 DP network and for linking seg
4. If larger amounts of user data are transferred using I_PUT I_GET inconsistencies may arise C7 633 C7 634 Control Systems C79000 G7076 C634 01 5 5 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Digital I O Chapter Overview Section Description Page 6 1 Digital Inputs 6 2 6 2 Digital Outputs 6 5 6 3 DI DO Status Displays 6 4 Addressing the C7 Digital I O C7 633 C7 634 Control Systems C79000 G7076 C634 01 6 1 C7 Digital I O 6 1 Digital Inputs Introduction The C7 has different digital inputs for connecting sensors Digital Inputs This chapter lists the technical specifications of the digital inputs in the C7 In addition to the technical specifications of the digital inputs this chapter also describes e The characteristics e The special features e The terminal connection and block diagrams of the digital inputs Characteristics The digital input function has the following characteristics e 16 inputs isolated as a group e Nominal input voltage 24 VDC e Suitable for switches and 2 wire proximity switches BEROs for example C7 633 C7 634 Control Systems 6 2 C79000 G7076 C634 01 C7 Digital I O Terminal Figure 6 1 shows the terminal connection and the block diagram of the Connection and digital inputs Block Diagram The pages following contain de
5. Address 7 0 n 0 Control checkback bits n 4 Job area n 12 Reserved n 13 Coupling identifier n 14 Reserved n 15 Time n 18 Reserved n 21 Date n 25 Reserved n 26 Cyclic interrupt bits n 31 Figure 4 7 Layout of the Interface Area for the C7 CPU C7 633 C7 634 Control Systems 4 14 C79000 G7076 C634 01 Communication between the CPU and the Operator Panel 4 7 1 Control and Checkback Bits Introduction Three bytes are available in the interface area for the control and checkback bits Bytes n 0 and n 1 are used to coordinate between the C7 OP and the C7 CPU Byte n 3 is required for the transfer of data records and indirect variables Byte n 0 n 1 and n 3 are described below Description of The structure of byte n 0 is shown below The diagram is followed by a Byte n 0 description of the individual bits Address Cyclic interrupt bit nso 7 6 5 4 3 2 1 0 Time Date Bits 5 6 Date time 1 New The transfer of the date and time from the C7 OP to the C7 CPU can be initiated by means of control job 41 These bits are set by the C7 OP if a new date or a new time is transferred The bits must be reset in the control program after the date or time has been evaluated Bit 7 Cyclic interrupt bit 1 New The cyclic interrupt bit is possible only for the C7 634 If the C7 634 has set a new cyclic inte
6. Logic Figure 7 8 Block Diagram of the Analog Input Module C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O Technical Specifications Data Specific to Analog Inputs Data for Selecting a Sensor Number of inputs 4 Cable length shielded 200 m Voltages Currents Potentials Isolation yes analog I Os to electronics Isolationresistance Permitted potential difference Urso 500 V DC e Betweenreference Ucm 2 5 V DC potential of the inputs AIx M and Mana for signal 0V Analog Value Formation Measurementprinciple Instantaneous value e Cycle time all channels 2 ms Cycle time per channel 0 5 ms Resolution in bits incl 12 sign incl overflow range Measurementranges Measurementrange selected by connection to different pins Voltage 10V Current 20mA 4 to 20mA Input ranges rated values inputresistance e Voltage Current Permitted input voltage for voltage input destruction limit Permitted input current for current input destruction limit Connection of signal sensors e For voltage measurement e For current measurement as 4 wire transducer as 2 wire transducer 10V 150 KQ 20mA 105 5Q 4 20mA 7 105 5Q Max 30 V permanent 38 V for max 1 s pulse duty ratio 1 20 30 mA Possible Possible Not directly possible Status Interrupts Diagnostics Noise Suppression Error
7. Figure 2 15 Connecting a Programming Device PC to an MPI Network C7 633 C7 634 Control Systems C79000 G7076 C634 01 2 19 Installation and Setup Guidelines for the C7 2 7 Setup Guidelines for Interference Free Installation Overview Use and Installation of Interference Free Cables Cabinet Installation 2 20 An automation system must be shielded to prevent interference When a system is poorly grounded or not shielded low frequency or high frequency interference signals can penetrate through to the internal bus of the controller and cause malfunctions Interference signals can also be caused when relays or contactors switch very rapid changes in current or voltage high frequency interference signals or when two parts of a system have different grounding potentials low frequency interference signals Use only shielded cables for all signal lines Ground cable shields on both sides for Cables to the programmable controller Bus cables Cables to I O devices The standard cables specified in the ST80 7 catalog meet these requirements Screw or lock all plug type connections Do not install signal lines parallel to power lines Use a separate cable duct located at least 50 cm from the power lines Devices which could bring in interference signals from outside should be installed at the bottom of the cabinet Place the grounding rail immediately at the cabinet entrance so that cables whi
8. Hardware Hardware interrupt interrupt to the C7 CPU to the C7 CPU DIB ere reer ener eran PL Figure 8 6 Gate Time Measurement with an External Gate Counter The gate time measurement is only activated if the start bit is set in the input area at the same time as the external gate pin Counters 1 and 2 operate as 16 bit counters while counter 3 is a 24 bit counter The default value is OxXFFFF for counters 1 and 2 and OxFFFFFF for counter 3 If no valid value is available for example during the first measuring cy cle this default value is output If the count value exceeds the upper count limit and an overflow occurs the corresponding bit is set in byte 15 7 and value OFFFFy for counters 1 and counter 2 or OFFFFFFy for counter 3 is output C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Universal Inputs 8 3 Example for Programming the Counters Overview Function of Block The following programming example for the universal input counters is intended to familiarize you with programming the I O The program is intended to implement a simple function which shows the principle of addressing the counter inputs by the STEP 7 program The counters are implemented to count up until the comparison value is reached They are reset when the comparison value is reached and counting is restarted beginning with zero Due to the immediate reset the specified comparison value never can be read out In the follo
9. Figure 2 11 C7 633 P and C7 634 P View with IM MPI Interface Memory Card and I O Interface 2 14 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Installation and Setup Guidelines for the C7 IM X5 Memory Card X6 MPI X3 PROFIBUS DP X4 Figure 2 12 C7 633 DP and C7 634 DP View with IM MPI and DP Interfaces and RS485 line A NC Memory Card MPI Interface Pin No Explanation X3 and 1 NC PROFIBUS DP Interface X4 2 Mey 3 RS485 line B 4 RTSAS 5 MS5V 6 P5V 7 P24V 8 9 C7 633 C7 634 Control Systems C79000 G7076 C634 01 2 15 Installation and Setup Guidelines for the C7 C7 Device Connections You can use the following cables to connect the C7 to other devices Table 2 7 Cables for Connecting to the C7 see also Section 1 2 Connecting Cable Length Special Features Illustration Connection between MPI Programming device cable 5m C7 lt gt PG PC PROFIBUS bus cable User must make C7 lt gt PG PC Interior cable own cable mmi C7 lt C7 Direct buriedcable C7 lt gt S7 300 and bus connector C7 S7 400 without PG type socket with PG type socket and PROFIBUS bus terminal RS 485 with 1 5 m with 3 m cable with PG type socket and 1 5 m cable RS 232 TTY serial inte
10. 4 8 3 Synchronization during Transfer Normal Case Transferring Data Records Transfer C7 OP gt C7 CPU Initiated on C7 OP The control and checkback bits in the interface area synchronize data record transfer A transfer is normally initiated by an operator input on the C7 OP Bit 0 1 Data mailbox is disabled set only by the C7 OP 0 Data mailbox is enabled Bit 1 1 Data record variable is faulty Bit 2 1 Data record variable is correct Bit 3 1 Data transfer completed Bit 4 1 Request data record variable Bit 5 1 C7 OP should read data mailbox Bit 6 1 Request data mailbox disable Bit 7 1 C7 OP has read data mailbox with transfer C7 CPU C7 OP Description Byte n 3 Control and checkback bits in the interface area The following description shows the procedure by which the C7 OP sets synchronizing bits and the manner in which the C7 CPU program has to react to them Table 4 2 Procedure for Transmission 1 Step Explanation Bit 0 is checked by the C7 OP If bit 0 is set to 1 data mailbox disabled the transfer is terminated with a system error message If bit 0 is set to 0 the C7 OP sets the bit to 1 The C7 OP enters the identifications in the data mailbox With an indirectly transferred data record the data record values are also written to the data mailbox With a directly transferred data record the values of the variables are written to the configured addre
11. C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 27 C7 Analog I O 7 6 5 Representation of Analog Values for the Measurement Ranges of the Analog Inputs Overview How to Read the Measured Value Tables Measured Value Resolution The tables in this section contain the digitalized analog values for the measurement ranges of the analog inputs In Table 7 9 you will find the representation of the binary analog values and the associated decimal or hexadecimal representation of the units of the analog values Table 7 10 contains the digitalized analog values for the various measurement ranges Since the binary representation of the analog values is always the same this table contains only the comparison of the measurement ranges to the units This table is therefore clearer and easier to read The corresponding binary representation of the measured values can be referred to in Table 7 9 The bits identified with x are not relevant to a resolution of 12 bits Table 7 9 Possible Resolutions of Analog Values Resolution in Bits Units Analog Value incl Sign Decimal Hexadecimal High Byte Low Byte 12 16 104 S0000000 OOO1Lxxxx 7 28 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O Voltage and Table 7 10 contains the representation of the digitized voltage measurement Current ranges for 10 V and the digitized current measurement ranges 20
12. Figure 2 14 Connecting a Programming Device PC to Several C7 Devices C7 633 C7 634 Control Systems C79000 G7076 C634 01 Installation and Setup Guidelines for the C7 Connecting a Programming Device PC for Service Purposes Programming Device PC for Startup and Maintenance If there is no stationary programming device or PC available we recommend the following procedure In order to connect a programming device or PC for service purposes to an MPI network with unknown node addresses we recommend you set the following address on the service programming device PC MPI address 0 Highest MPI address 126 Then work out the highest MPI address in the MPI network using the STEP 7 application Configuring Hardware and adjust the highest MPI address on the programming device or PC to match the highest address of the MPI network For startup and maintenance purposes you connect the programming device PC via a spur line to a node in the MPI network To do this the bus connector of this node must have a PG type socket Figure 2 15 shows two networked C7s to which a programming device PC is connected 7 PG cable spur line C7 HHH 000000 0000000 g Loge 000000 00000000 o000 o OOOO a 5 jal Oooo oo PROFIBUS bus cable
13. C7 633 C7 634 Control Systems C79000 G7076 C634 01 Glossary 7 Glossary Process Image Programmable Logic Control Programmable Logic Controller Programming Device RAM Reference Ground Reference Potential Glossary 8 The signal states of the digital input and output modules are stored in the CPU in a process image There is a process image input table PII and a process image output table PIQ The process image output table is transferred to the output modules by the operating system at the end of the user program The process image input table is read by the input modules before execution of the user program by the operating system Programmable logic control is the automation technique using electronic controllers whose function is stored in the control device as a program The structure and the wiring of the device are not therefore dependent on the function of the controller A programmable logic controller has the structure of a computer it consists of a CPU with memory I O modules and internal bus system The I O and the programming language are set up according to the requirements of control engineering A programmable logic controller PLC comprises a central processor a CPU and a number of I O modules Programming devices are essentially personal computers that are compact and portable and suitable for industrial use They are characterized by being equipped with special hardware and soft
14. C7 Universal Inputs c3 NOP 0 AN L8 2 interrupt from C3 BEB L MB42 counts number of interrupts from C3 up to 255 INC 1 T MB42 END_ORGANIZATION_BLOCK C7 633 C7 634 Control Systems C79000 G7076 C634 01 8 27 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Data Set Description I O Parameter Assignment Chapter Overview Section 9 1 Description Data Set Description for Parameter Block of C7 Analog T O and Universal Inputs Page C7 633 C7 634 Control Systems C79000 G7076 C634 01 9 1 Data Set Description I O Parameter Assignment 9 1 Data Set Description for Parameter Block of C7 Analog I O and Universal Inputs Overview If a reassignment is to be performed during operation then the validity and inter relationships between the individual parameters must be checked by the user program Incorrect value ranges of the parameters can result in incorrect behavior of the I O Table 9 1 lists the layout of the parameter data sets Table 9 1 Table with Data Set Descriptions Parameter Block DS Byte Bit Default What Can Be Assigned Meaning of the Respective Bits Value o 00 7 0 Enable diagnostics AO4 0 No 1 Yes 6 0 Enable diagnostics AO3 0 No 1 Yes 5 0 Enable diagnostics AO2 0 No 1 Yes 4 0 Enable diagnostics AO1 0 No 1 Yes 3 0 Enable diagnostics AI4 0 No 1 Yes 2 0 Enable diagnostics AI3 0 No 1 Yes 2 0 Enable diagnostics AI2 0 No 1 Yes 1
15. G Gate counter external 8 22 Gate time measurement 8 22 Grounding 2 20 Grounding bar installing 2 22 Grounding rail 2 20 Group error CPU Guidelines for setup 2 20 H Hardcopy control job 4 25 Hardware interrupt events 8 12 IM 360 IM 361 cable 2 16 Increments Input 24 VDC 2 13 Input range universal inputs 8 7 Installation interference free Installation guidelines 2 6 Installing C7 2 5 Integrated interface module 2 24 Index 3 Index Interface module 1 6 Interface module IM 360 2 24 Interface parameters control job 4 26 Interference signals 2 20 Interference free installation 2 20 Internal errors A 2 Interrupt Interrupt cycle interrupt time 7 22 parameter block 7 22 Interrupt input universal inputs Interrupt OB 7 35 8 12 Interrupt time parameter block 7 22 J Job area 4 17 K Key assignment function keyboard image 4 10 Keyboard C7 633 3 2 C7 634 3 3 group bit function keyboard system keyboard image variations Keyboard simulation control job 4 30 Keying connectors 2 23 Keyswitch L Labeling function keys 2 2 Labeling strips template Labeling template function keys 2 2 LED assignment 4 11 states 4 11 LED assignment bit number 4 11 LED image 4 11 LEDs Index 4 List system messages A 1 Lock cursor Lower threshold period time 8 21 M Ma
16. If possible avoid any contact with electrostatically sensitive devices unless absolutely necessary for example to work on them Hold modules without touching the pins of components or printed conductors In this way the discharged energy cannot affect the sensitive components Note the following measures that have to be taken for modules that are not protected against accidental contact e Touch electrostatically sensitive devices only if you wear a wristband complying with ESD specifications or if you wear special anti static footwear or ground straps when walking on an ESD floor e Before working on electronic devices discharge your body by touching grounded metallic objects for example bare metal parts of cabinets water pipes etc e Protect modules against contact with chargeable and highly insulating materials such as plastic foils insulating table tops or synthetic clothing e Place electrostatically sensitive devices only on conductive surfaces Tables with anti static table top Conductive ESD foam plastic ESD plastic foam is mostly colored black ESD bags e Avoid placing electrostatically sensitive devices in the immediate vicinity of visual display units monitors or TV sets minimum distance to screen gt 10 cm C7 633 C7 634 Control Systems C79000 G7076 C634 01 Guidelines for Handling Electrostatically Sensitive Devices ESD ESD Precautions The following figure again ill
17. R Byte 0 Bit2 1 External error Byte 0 Bit3 1 Channel error Byte 7 Evaluate channel vector if req Wire break Byte 8 9 10 11 Bit4 1channel specific diagnostic byte AI E P Underrange Byte 8 9 10 11 Bit 6 1 channel specific diagnostic byte AI E P M Overrange Byte 8 9 10 11 Bit 7 1 channel specific diagnostic byte AI E P M Byte0 Bit7 1 Incorrectparameters Byte 8 9 10 11 Bit 0 1 channel specific diagnostic byte AI P Byte 15 Bit 0 1 Collective error AO only parameter error possible P Byte 0 Bit 6 1 Module not assigned parameters Legend E temporary can be removed by hand at connection P permanent can be reset by assigning correct parameters R permanent can be removed by RESET memory reset and complete restart of C7 CPU or by exchanging equipment M temporary disappears after new measurement C7 633 C7 634 Control Systems 10 8 C79000 G7076 C634 01 VO Diagnostics Reaction to The diagnostic messages listed in Table 10 4 refer to Table 10 3 Diagnostie Table 10 4 lists the diagnostic messages and also possible reactions of the Messages user Table 10 4 Diagnostic Messages and Reaction Possibilities Reason for the Source of Error Reaction of the Module Possible Elimination Diagnostic Message Module not During the startup of the Report to C7 CPU that the Assign parameters to assigned module
18. RUN green RUN mode for the Lights up when the C7 CPU user program is being processed C7 CPU Flashes 2 Hz during C7 CPU startup then the STOP LED also lights up when the STOP LED goes out the outputs are enabled Flashes 2 Hz when the CPU is in HOLD mode C7 633 C7 634 Control Systems C79000 G7076 C634 01 3 7 Special Features of C7 LED Meaning STOP yellow STOP mode for the Explanations Lights up when the C7 is not processing a CPU user program C7 CPU Flashes in 1 second intervals if the C7 CPU requires a memory reset MRES SF IM red Interface module Lights up when the connection between the C7 and the expansion rack is group error faulty Display Elements for PROFIBUS The following table explains the meaning of the LEDs which are assigned to the PROFIBUS DP Refer also to Chapter 11 in the manual 70 SF DP BUSF Meaning Remedy red green On On e Bus fault physical fault e Check the bus cable for short circuit or wire break e DPinterface fault e Evaluate diagnostics reconfigure or correct e Different transmission rates in errors if necessary multi masteroperation On Flashing Station failed e Check the bus cable is connected correctly check for short circuits or wire breaks e Atleast one of the assigned slaves cannot Wait until the C7 has completed its startup be addressed e If flashing does not cease check t
19. possible max 20 V DC max 40 mA DC Crosstalk attenuation between gt 40 dB outputs Error limit in the entire temperature range relative to the output range e Voltage 0 8 e Current 1 Basic error limit error limit at 25 C relative to the output range e Voltage 0 5 e Current 0 6 Output ripple relative to the 0 05 output range Reproducibility in settled state 0 06 at 25 C relative to the output range C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 17 C7 Analog I O 7 6 Use and Function of the C7 Analog I O In This Section This section contains e Descriptions of the basic terms in analog value processing e How to address and assign parameters to the analog I O e How you allocate measurement ranges to analog input channels e The behavior of the individual analog input and output channels 7 6 1 Addressing the Analog I O Analog Function The address of an analog channel is always a word address Addresses An analog input output has the same start address for the analog input and output channels see Figure 7 11 View of right hand side of C7 Analog inputs Channel 0 Address PIW272 Channel 1 Address PIW274 o o o o o o o o o o o o 0000000000000 AI3 I AI3 M AI4 U AI4 I Channel 3 Address PIW278 Al4 M Channel 2 Address PIW276 Not occupied ae Analog outputs 1 Channel 0 Address PQW272 O A
20. Bit 1 0 Do not accept new start comparison value 1 Set new start comparison value PQW282 Start comparison value counter 2 PQB287 Bit 0 0 Counter 2 disabled 1 Counter 2 enabled Bit 1 0 Do not accept new start comparison value 1 Set new start comparison value PQB284 Start comparison value counter 3 PQB285 PQB285 PQB287 Bit4 0 Counter 3 disabled 1 Counter 3 enabled Bit5 0 Do not accept new start comparison value 1 Set new start comparison value Initial value for down counter comparison value for up counter Note Please note that no direct read in function is available for reading in the complete counter status of counter 3 When counting in the 0 to 65535 value range 2 bytes the counter values are stored in PQW285 C7 633 C7 634 Control Systems 8 8 C79000 G7076 C634 01 C7 Universal Inputs 8 2 2 Assigning Parameters to the Universal Inputs Parameter Block Universal Inputs Assigning Parameters Interrupt Inputs Counter Inputs In the parameter block universal inputs you set the parameters for e The interrupt inputs e The counters e The frequency meter period time counter e The digital inputs e The external gate counter You set the parameters for the universal inputs using the STEP 7 application Configuring Hardware A parameter block is generated which contains all currently selected parameters of the universal inputs After loadi
21. Isolation yes Dielectricstrength Urso 500 V DC Measurementranges Voltage or current selectable Voltage 10V Current 20mA 4 to 20mA Interrupts e Diagnostic interrupt Diagnostic functions yes selectable yes selectable e Diagnostic information can yes group error be read out Data for Selecting an Actuator Analog Value Formation Resolution incl overflow range e 10V x 220 mA 4to 20 mA Conversion time all active channels Settling time e For resistive load e For capacitive load e For inductive load Substitute value Idle power and voltage one value for all channels Retain last value Global value can be substituted 12 bits incl sign max 4 ms typ 2 ms 0 1 ms 3 3 ms 0 5 ms yes selectable yes selectable yes selectable Noise Suppression Limit Values Output ranges rated values Load resistance e For voltage outputs e For current outputs e Capacitive load e Inductive load Voltage output e Short circuit protection Short circuitcurrent Current output e Idle voltage Connecting actuators e For voltage output 2 wire connection e For current output 2 wire connection Destruction limits for voltages currents applied externally e Voltage at the outputs against MANA Current 10V 20mA From 4 to 20 mA min 2 k Q max 500 Q max uF max mH Short circuit proof yes approx 25 mA max 15V possible
22. LED Assignment The LED image can be categorized into separate data areas e Maximum number of data areas 4 for example 4 different data areas in various CPUs e Total length of all data areas words 8 The LED image must also be specified under area pointer type LED image in the configuration The assignment of the individual LEDs to the data area bits is defined when the function keys are configured The bit number within the image area is declared for every LED The K keys in the C7 OPs have two colored LEDs red and green The bit number n denotes the first of two consecutive bits which can control four different LED states in total Bitn 1 Bitn LED Function 0 Oo o To 0 1 Flashing red 1 0 Permanently red 1 1 Permanently green C7 633 C7 634 Control Systems C79000 G7076 C634 01 4 11 Communication between the CPU and the Operator Panel 4 5 Screen Number Area Application Requirement Layout 4 12 The C7 OP stores information concerning the image displayed on the C7 OP in the screen area number It is thus possible to transfer information about the current display contents from the C7 OP to the C7 CPU and from there to trigger certain reactions for example displaying another image If the screen number area is to be used it must be specified as an area pointer in the configuration It can only be stored once and in one C7 CPU The screen number area is tr
23. Parameter Recipe number 1 to 99 Parameter 2 Data record number 1 to 99 Parameter 3 71 Partial screen updating Parameter 1 0 Off 1 On Parameters 2 3 This job must only be triggered if no screen is selected C7 633 C7 634 Control Systems C79000 G7076 C634 01 4 29 Communication between the CPU and the Operator Panel Jobs with Cursor Lock 4 30 No Function 72 Cursor positioning in current screen or recipe Parameter 1 Entry number 0 to 99 Parameter 2 Field number 1to8 for C7 633 1 to 32 for C7 634 Parameter 3 Cursorlock 0 off 1 on 73 Cursor positioning in current special screen Parameter 1 Fieldnumber 0 to 8 Parameter 2 Cursorlock 0 off 1 on Parameter 3 74 Keyboard simulation Parameter 1 LB Keyboard number 1 Internal function keypad 2 System keypad RB Password level 0 Will be evaluated 1 Will not be evaluated Parameter 2 LB Key code Parameter 3 For keyboard simulation via a control job take note of the transfer time from the C7 CPU to the C7 OP For example the acknowledgement of an alarm message by keyboard simulation on the C7 CPU can lead to an undesired result if The alarm message in question has already been acknowledged by an operation on the C7 or A new alarm message or system message arrives before the control job has been evaluated If the cursor lock parameter is equal to 1 in one of the jobs 11 51 53 72 and 73 the selected input field ca
24. as follows to change the strips 1 Pull the labeling strips you want to replace out of the device 2 From the rear of the device push the new strips into the relevant slots on the side Note The labels on the strips must be indelible before the strips are inserted If the keypad membrane is dirtied or smudged from the inside it cannot be cleaned and can only be replaced at the factory of origin j Labeling strips Figure 2 3 Inserting Labeling Strips C7 633 C7 634 Control Systems C79000 G7076 C634 01 Installation and Setup Guidelines for the C7 2 2 Mechanical Installation Installing the Device The C7 control system has been prepared for fixed installation in a control panel or cabinet door Proceed as follows to install the C7 1 Make a cutout in the control panel dimensions 230 5 x 158 5 mm same size for all device variants See Figure 2 5 2 Push the enclosed seal over the casing from behind 3 Insert the C7 into the prepared cutout 4 Guide the fixing hooks of the enclosed screw in tensioner into the appropriate recesses in the casing of the C7 5 Tighten the C7 using a screwdriver from the rear of the control panel 2 Control panel Figure 2 4 C7 633 DP with Screw In Tensioners C7 633 C7 634 Control Systems C79000 G7076 C634 01 2 5 Installation and Setup Guidel
25. initialization reset start value for counting down or comparison value for counting up PQW280 PQW282 PQB284 PQB285 PQB286 e Activate the new start comparison value PQB287 rising edge 0 gt 1 e Set the start bit PQB287 rising edge 0 gt 1 Restart counter without e Do not set the new start comparison value counterinitialization e Start the counter by setting the start bit counter continues counting PQB287 rising edge 0 gt 1 without a reset C7 633 C7 634 Control Systems C79000 G7076 C634 01 8 15 C7 Universal Inputs 8 16 Table 8 7 Controlling Counters with the User Program Aim Select new start comparison value Procedure Enter new start comparison value PQW280 PQW282 PQB284 PQB285 PQB286 Set value PQB287 rising edge 0 1 Newstart comparison value will be activated with the next rising edge at the count input If counting up is running new comparison value will be accepted If counting down is running new start value will be accepted current count value will be corrected by the difference Initialize counter start of a new counting process always occurs At zero transition counting down or comparison value reached exceeded counting up After setting the enable bit in the data area PQB287 rising edge 0 gt 1 if the bit set new start comparison value is set simultaneo
26. that cannot be acknowledged Figure 4 6 Reduced Acknowledgement Area Note Allocate important alarm messages whose acknowledgement is to be signaled to the C7 CPU in the alarm message area from bit 0 in ascending order The two related bits in the alarm message area and the acknowledgement area must not be set simultaneously C7 633 C7 634 Control Systems C79000 G7076 C634 01 4 7 Communication between the CPU and the Operator Panel 4 4 Keyboard and LED Image Application Prerequisite Transfer Value Allocation 4 8 Key actions on the C7 OP can be transferred to the C7 CPU and evaluated there In this way actions can be triggered in the C7 CPU for instance switching on a motor The LEDs in the C7 s function keys can be controlled from the C7 CPU In this way active LEDs can be used in different situations to signal to the operator which key they should press In order to make use of this function you must e Set up corresponding data areas images in the C7 CPU e Specify these data areas as area pointers during the configuration e Assign the bits from the area pointers to these data areas on configuring the function keys The keyboard images are transferred spontaneously to the C7 CPU That means the transfer always happens if a change is registered at the C7 OP In this case you do not need to configure a polling time A maximum of two simultaneous key actions can be tr
27. 0 Enable diagnostics AI1 0 No 1 Yes Ol 7 5 000 4 0 Enable diagn interrupt module 3 0 Enable diagn wire break AT4 O No 1 Yes only if measurement range 4 to 20mA 2 0 Enable diagn wire break AI3 O No 1 Yes only if measurement range 4 to 20mA 1 0 Enable diagn wire break AI2 O No 1 Yes only if measurement range 4 to 20mA 0 0 Enable diagn wire break AI1 O No 1 Yes only if measurement range 4 to 20mA 02 0 7 00000000 Reserved Must always be zero otherwise parameter assignment error 03 00000000 Reserved Must always be zero otherwise parameter assignment error 1 04 7 6 00 A2 5 4 01 Measurementrange 00 Deactivated 01 10 V 10 20 mA 11 4 to 20 mA 3 2 00 All 1 0 01 Measurementrange 00 Deactivated 01 10 V 10 20 mA 11 4 to 20 mA C7 633 C7 634 Control Systems C79000 G7076 C634 01 Data Set Description I O Parameter Assignment Table 9 1 Table with Data Set Descriptions Parameter Block 05 7 6 01 A4 5 4 00 Measurementrange 00 Deactivated 01 10 V 10 20 mA 11 4 to 20 mA 3 2 01l AB 1 05 1 0 00 Measurementrange 00 Deactivated 01 10 V 10 20 mA 11 4 to 20 mA 06 7 2 000000 1 0 00 Enable cyclic interrupt 00 N0 cyclic interrupt 01 Time cyclic interrupt only if byte 7 lt gt 1 10 Cycle end interrupt only if all AIx are not deactivated 07 7 4 0000 3 0 0001 Cycle time 0 16 ms 1 Free running 6 3 ms 7 3 5 ms
28. 4 29 select special screens 4 25 set contrast 4 27 set date 4 26 set password level 4 27 set time 4 26 SIMATIC 7 4 17 structure transfer date time Conversion analog output 7 32 Conversion time analog in put 7 31 Count direction setting 8 10 Count inputs parameter block 8 10 Counter start stop 8 15 threshold frequenc 8 14 universal inputs Counter input parameter 8 9 universal inputs Counting down Counting up 8 14 Coupling identifier 4 17 CPU operating mode selecting 3 4 CSA Current measurement 7 10 Current measurement range analog input analog output 7 30 Current transducer 7 3 Cursor lock 4 30 Cursor positioning control job 4 30 Cycle time analog input analog output Cyclic interrupt bits Cyclic interrupt times 4 18 8 4 D Data area screen number area 4 12 system keyboard image Data record recipes 4 19 transfer 4 20 synchronization 4 21 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Index Data record to CPU control job 4 29 Data record to OP control job 4 29 Data records addressing Date 4 15 Date and time 4 17 Delete alarm message buffer control job 4 28 Delete event message buffer control job 4 28 DI DO 24 VDC power supply 2 12 DI DO status display 3 6 6 8 Diagnostic interrupt 7 34 parameter assignment 10 2 Diagnostic area layout
29. 4 Representation of Analog Values Overview Representation of Analog Values The representation of analog values or an analog value in binary form is the same for all C7 analog inputs and analog outputs This section describes the analog values for all measurement ranges or output ranges that can be used with the C7 analog I O The digitalized analog value is the same for input and output values of the same nominal range The representation of analog values is performed as a two s complement Table 7 7 illustrates the representation of the analog I O Table 7 7 Representation of Analog Values Resolution Analog Value Bit number 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Weighting of the bits S 214 213 212 gil 210 29 98 27 26 25 24 23 22 2 20 Sign Conventions 12 Bit Resolution The sign S of the analog value is always contained in bit number 15 e 0 gt e toy The resolution is 12 bit The analog value is entered into the ACCU left justified The unoccupied low significance places are written with 0 Table 7 8 contains an example of a bit pattern showing how the unoccupied places for 12 bit resolution are filled with 0 Table 7 8 Bit Pattern of a 12 Bit Analog Value Example Resolution Bit number Analog Value 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 12 bit analog value incl sign 0 1 0 0 0 1 1 0 0 1 1 1 0 0 0 0
30. 8 4 ms etc increment 0 5 ms up to 15 5 ms 08 7 6 00 Univ DII Direction 0 Up 1 Down only if mode 010 4 0 Edge 0 Rising edge 1 Falling edge Hardware interrupt O No 1 Yes 2 0 000 Mode 000 General DI 001 Interrupt DI 010 Counter CI 101 External gate counter 09 7 6 00 Univ DI2 0 Direction 0 Up 1 Down only if mode 010 4 Edge 0 Rising edge 1 Falling edge 3 0 Hardware interrupt O0 No 1 Yes 2 0 000 Mode 000 General DI 001 Interrupt DI 010 Counter CI 101 External gate counter 10 7 6 00 Univ DI3 gate time 00 0 1 s 01 1 s 10 10 s only if mode 010 Direction 0 Up 1 Down only if mode 010 4 Edge 0 Rising edge 1 Falling edge 3 Hardware interrupt 0 No 1 Yes 2 0 000 Mode 000 General DI 001 Interrupt DI 010 Counter CI 011 Frequency counter FC 100 Period duration counter PC 101 External gate counter 11 7 5 00000 Univ DI4 4 0 Edge 0 Rising edge 1 Falling edge 3 0 Hardware interrupt 0 No 1 Yes 2 0 0 Mode 000 General DI 001 Interrupt DI 12 7 6 00 AO2 Reaction to CPU STOP 00 Voltage power idle substitute value 0 01 Retain last value 10 Global substitute value byte 14 to 15 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Data Set Description I O Parameter Assignment Table 9 1 Table with Data Set Descriptions Parameter Block 5 4 Ol Output area 00 Deactivated 01 10 V 10 20 mA 11 4 to 20 mA 1 3 2 00 AO1 Reaction to CPU STOP 0
31. Bit 4 Bit 5 Bit 6 Bit 7 0 Data mailbox is enabled 1 Data record variable is faulty 1 Data record variable is correct 1 Data transfer completed 1 Request data record variable 1 C7 OP should read data mailbox 1 Request data mailbox disable 1 C7 OP has read data mailbox with transfer C7 CPU gt C7 OP C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel 4 7 2 Data Areas in the Interface Area Overview Job Area Coupling Identifier Date and Time In this section the structure and use of the interface data areas are described The C7 CPU initiates an action to be carried out on the C7 OP by means of the job area All other bytes are areas in which the C7 OP writes data These areas can be evaluated by the C7 CPU program The individual bytes are described below Bytes n 4 to n 11 Control jobs can be passed on to the C7 OP via the job area The actions on the C7 OP are initiated in this way The job area consists of four words In the first word of the job area is the job number In the other words the job parameters are to be entered maximum 3 Figure 4 8 shows the general structure of a control job If the first word of the job area is not equal to zero the C7 OP evaluates the control job After that the C7 OP sets this data word to zero again For this reason the parameters must first be entered in the job area and only then the job nu
32. Communication between the CPU and the Operator Panel 4 8 1 Transferring Data Records Definition When a data record is written the variables in the data record are written directly to the defined addresses concerned With direct reading the variables are read into the C7 OP from the target memories of the C7 CPU With ProTool the variables must have a direct link to the C7 CPU for direct transfer Variables not having an assigned address on the C7 CPU are not transferred 4 8 2 Addressing Recipes and Data Records and the Requisite Data Areas Adressing Data areas 4 20 During configuration the recipe is given a name and a number Both the recipe name and the recipe number can be seen on the C7 OP The data records you create on the C7 OP are similarly given a name and a number When a data record transfer is initiated from the C7 OP to the C7 CPU the recipe name and the data record number are transferred to the controller together with the data For this you have to create a data mailbox in the controller Use the same specifications as were set in the configuration under Area Pointer The values of the data record are written directly to the addresses in the controller Data mailbox 1st word Recipe number 2nd word Reserved 3rd word Reserved 4th word Data record number 5th word Reserved C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel
33. DB60 DBW50 80 65 I Message number Figure 4 1 Assignment of Message Bit and Message Number C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel Acknowledgement Acknowledgement Area Assignment of Acknowledgement Bit to Message Number As alarm messages indicate faulty behavior of some sort these must be acknowledged Acknowledgement follows either by e Taking appropriate action on the C7 or e Setting a bit in the acknowledgement area of the C7 CPU If the C7 CPU is to be informed about an acknowledgement of an alarm message at the C7 OP itself or if the acknowledgement should be given by the C7 CPU the corresponding acknowledgement areas are to be configured in the C7 CPU e Acknowledgement area C7 OP C7 CPU The programmable controller is informed when an alarm message is acknowledged by an operation at the OP e Acknowledgement area C7 CPU C7 OP The alarm message is acknowledged via the C7 CPU These acknowledgement areas are to be allocated in the configuration when using ProTool and ProTool Lite under area pointers Figure 4 2 shows schematically the individual alarm message and acknowledgement areas C7 OP C7 CPU Alarm message area y Internal processing Acknowledgementarea ACK linking C7 CPU C7 OP Acknowledgementarea C7 OP C7 CPU Figure 4 2 Alar
34. Limits Noise voltage suppression e Common mode noise Ucm lt 1 0 V Crosstalk between the inputs Error limit in entire temperature range relative to input range e Voltage e Current Basic error limit error limit at 25 C relative to the input range e Voltage e Current Reproducibility in settled state at 25 C related to range gt 40 dB gt 60 dB 0 8 0 8 0 6 0 6 0 05 Interrupts e Hardware interrupt as cyclic interrupt as cycle end interrupt e Diagnostic interrupt Diagnostic functions e Diagnostic information can be read out Time intervals Wire break detection yes selectable yes selectable yes selectable yes selectable yes yes selectable In measurement range 4 to 20mA selectable 7 14 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O 7 5 Analog Output Function This Section Characteristics C7 633 C7 634 Control Systems C79000 G7076 C634 01 This section contains The characteristics of the analog output function The technical specifications of the analog output function You will learn How to start up the analog output function The various ranges of the analog output function The parameters you can use to influence the characteristics of the analog output function The technical specifications of the analog output function The output function has the following characterist
35. Print alarm message buffer Parameter 1 0 Print chronologically 1 Print together Parameters 2 3 32 Print event message buffer Parameter 1 0 Print chronologically 1 Print together Parameters 2 3 C7 633 C7 634 Control Systems C79000 G7076 C634 01 4 27 Communication between the CPU and the Operator Panel 4 28 No Function 37 Overflow warning for event messages on off Parameter 1 0 Off 1 On Parameters 2 3 38 Overflow warning for alarm messages on off Parameter 1 0 Off 1 On Parameters 2 3 41 Transfer date time to C7 CPU At least 5 seconds should lie between two jobs otherwise the C7 OP will be overloaded Parameters 1 2 3 43 Fetch C7 CPU event message bit area Parameter 1 Area pointer no 1to4 Parameters 2 3 44 Fetch C7 CPU alarm message bit area Parameter 1 Area pointer no 1 to4 Parameters 2 3 45 Fetch C7 CPU acknowledgement area Parameter 1 Area pointer no 1 to4 Parameters 2 3 47 Transfer LED area directly to C7 OP Parameter 1 Area pointer no 1 to4 Parameter 2 LED image 1st word Parameter 3 LED image 2nd word In contrast to control job no 42 fetch LED area from C7 CPU the LED image is directly transferred with the control job here thus achieving faster control of the LEDs The specified LED area must not be configured larger than 2 DW 48 Menu selection Parameter 1 Menu number in the standard menu 1 Messagelevel Parameter 2 Menu item nu
36. _ AOx O __ D ADC C7 CPU 3 RL AO M aA oO Uiso L M Ground bus L Figure 7 5 Connecting Loads to a Current Output of an Isolated Analog Output C7 633 C7 634 Control Systems 7 8 C79000 G7076 C634 01 C7 Analog I O Connecting Loads to a Voltage Output C7 633 C7 634 Control Systems C79000 G7076 C634 01 Connection of loads to a voltage output is only possible in 2 wire circuits as there is only one output 2 wire connection of loads to a voltage output is carried out at terminal AOx and the reference point of the measuring circuit AO M Figure 7 6 shows the principle of connecting loads to a voltage output of a non isolated analog output module with 2 wire connection AOx ADC C7 CPU ei RL AO M A Cz oe Uso e Ground bus L Figure 7 6 2 Wire Connection of Loads to a Voltage Output of an Analog Output C7 Analog I O 7 4 Analog Input Function This Section Available Measurement Types Measurement Ranges Wire Break Check Measurement Ranges for 4 Wire Transducers 7 10 This section contains e The characteristics of the analog input module e The technical specifications of the analog input module You will learn e How to start up the analog input module e The measuring ranges provided by the analog input module e The parameters yo
37. control ext gate counter 3 O Figure 8 1 Pin Assignments of the Universal Inputs C7 633 C7 634 Control Systems C79000 G7076 C634 01 8 3 C7 Universal Inputs Pin Assignments of the Universal Inputs Assigning Parameters to the Inputs Interrupt Input Digital Input Counter Input Frequency Counter Period Duration Counter External Gate Counter The pin assignments of the universal inputs are as follows Table 8 1 Assignments of the Universal Inputs Pin No Function M Associated ground DI X1 Universal input 1 interrupt digital and counter input external gate counter 16 bit DI X2 Universal input 2 interrupt digital and counter input external gate counter 16 bit DI X3 Universal input 3 interrupt digital counter frequency counter and period duration counter input external gate counter 24 bit DI X4 Universal input 4 interrupt or digital input GATE 1 External gate pin for DI X1 GATE 2 External gate pin for DI X2 GATE 3 External gate pin for DI X3 The universal inputs are set using software This is done using the Configuring Hardware application You use this application to determine which function the individual input is to execute see Table 8 1 If this function is set the input responds like a normal interrupt input that is a hardware interrupt is triggered in the C7 CPU as a response to the assigned edge If this function is
38. entered you may continue editing Query as to whether the event message buffer should be cleared Query as to whether the alarm message buffer should be cleared Information message appears if a global data record V3 0 or later is edited and not all entries that are defined in the current recipe are completed The data record can only be saved if the marked entries are edited If no entries are marked only the version number has changed Information as to which mode was set using the function First LastMessage Information as to which mode was set using the function First LastMessage Query if 0 is entered the data record is created If anything else is entered the function is cancelled Query if during transfer of a global data record it is found that not all entries are present the missing entries can be read by the PLC if 1 is entered or edited if 2 is entered If 3 is entered transfer is cancelled Data record contains array that does not fit the current recipe structure Remedy This query is also used when backing up or restoring configurations In that case it relates to deletion of all data records in the system memory Only returned in the case of data records that are transferable from one recipe to another Missing entries are marked and must be edited Editing can however be cancelled at any time Only returned in the case of data records that are transferable fro
39. external pin 0 to 216 1 0 to 274 1 10V 50 kQ 20 mA 105 5 Q 4 to 20 mA 105 5 Q Permissible input voltage for voltage input max 30 V Permissible input current for current input max 30 mA Isolation Yes shared with AO Cycle time all channels 2 ms Conversion time per channel 0 5 ms Resolution 12 bits incl sign Operational limit over entire temperature range with reference to input range e Current e Voltage 0 8 e Current 0 8 Basic error limit operational limit at 25 C with reference to input range 0 6 e Voltage 0 6 B 8 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Technical Specifications for the C7 Interrupts e Hardware interrupts As cyclic interrupt As end of cycle interrupt e Diagnostic interrupt e Interrupt cycle Yes configurable Yes configurable Overranging open circuit detection at 4 to 20 mA with software Yes configurable Cable length shielded max Output range 200 m e Voltage output 10V e Current output 20 mA Load impedance For voltage outputs min e For current outputs max 2kQ e For capacitative load max 0 5 kQ e For inductive load max 1 uF 1 mH Voltage output e Short circuit protection Yes e Short circuit current 25 mA Current output e No load voltage max xiI5V Isolation Yes shared with AI Resolution 12 bits incl sign Cycle time all chan
40. if no parameters module is working with module parameters were assigned by the default parameters no C7 CPU The module channel specificmodule fault bit is not set if no diagnostics no hardware further error exists and diagnostic interrupts Module fault Group error of all set The error is set reset with the See error under the grouping diagnostic bits except ifthe subordinate diagnostic bits module fault Table 10 3 message module not If the diagnostic interrupt assigned parameters is set has been assigned one will be generated Internal error The error bit is set See error under the grouping simultaneously with the Internal error Table 10 3 error bits Watchdog EEPROM error or ADC error In addition the watchdog is activated with EEPROM error Watchdog The watchdog error is With watchdog the module The error cannot be identified after an internal adopts a safe state 0 V is corrected by the user reset of the module The output the measured values The module can only be watchdog error can arise as become 7FFF and the restarted after a reset on the the result of an EPROM or counter values become bus restart C7 CPU general module error FFFFp FFFFFFp EEPROM error The error is identified after The module adopts a safe The error cannot be resetting the module during state O V is output the corrected by the user the reading of the measured values become The module ca
41. is isolated and so there is no electrical connection between Output the reference point of the AO M analog circuit and the M terminal of the C7 A potential difference Urso can occur between the reference point of the analog circuit Mana and the M terminal of the C7 Make sure that Urso does not exceed the permissible value Where it is possible that the permissible value might be exceeded see technical specifications establish a connection between the AO M terminal and the M terminal of the C7 Abbreviations and The abbreviations and mnemonics in the Figures 7 5 to 7 6 have the Mnemonics following meanings AOx Analog output current AO I and voltage AO U can be assigned Ri Load actuator AO M Ground terminal reference potential of the analog output L Terminal for 24 VDC supply voltage Ujso Potential difference between Mana and the M terminal of the CT Figures 7 5 to 7 6 show you how to connect loads actuators to the current and or voltage outputs of the analog output module C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 7 C7 Analog I O Connecting Loads You must connect loads to a current output at AO I and the reference point of to a Current the analog circuit AO M Output Figure 7 5 shows the principle of connecting loads to a current output of an isolated analog output module
42. is the polling time plus the transfer time plus the processing time To achieve an optimal update time the following points should be observed during configuration e Configure the individual data areas as large as necessary but as small as possible e Define the data areas which belong together contiguously The actual update time improves if you configure one large area as opposed to several small areas e The total performance is unnecessarily compromised if the polling times are too small Set the polling time according to the changing speed of the process values The change in temperature of an oven for example is significantly more sluggish than the change of rotary speed in an electrical drive e The approximate value for the polling time is around 1 second e Avoid cyclic transfer of the user data areas polling time 0 if necessary in order to improve the update time Instead of this use the control jobs to transfer the user data areas as required according to events e Place the variables of a message or a screen without gaps in one data area e In order that changes in the C7 CPU are recognized by the C7 OP they must at least be pending during the actual polling time C7 633 C7 634 Control Systems C79000 G7076 C634 01 4 23 Communication between the CPU and the Operator Panel 4 10 Control Jobs and Their Parameters Description Control Job 4 24 Using control jobs functions on the C7 OP can be tri
43. lt 1 6 mA Overflow The error is identified after The bit is set and reset again Check the connection of the the comparison of the when the measurement appropriate input channel or measured value incl decreases transducer correctioncalculation Measurement gt positive overflow range Underflow The error is identified after The bit is set and reset again Check the connection of the the comparison of the when the measurement appropriate input channel or measured value incl becomes valid transducer correctioncalculation Measurement gt negative overflow range That is lt 0 mA for 4 to 20 mA Incorrect The error is identified when The measurement 7FFFy is Assigncorrect parameters Parameters checking the parameter after set in the incorrectly reading and processing the configured measurement parameterarea channel and the corresponding diagnostic bit set or for an output channel 0 V 0 mA is output and the corresponding bit set If the module had not been assigned parameters and the assignment is correct then the bit incorrect parameter is reset and if diagnostic interrupt yes a diagnostic interrupt reported to the C7 CPU Hardware Interrupt The module is sending more Bit 6 in byte 3 hardware Change parameter settings Lost interrupts than can be interrupt lost is set for at for counter values processed by the CPU least 500 ms if no further hardware interrupt is lost during this time per
44. mA Measurement 4 to 20 mA Ranges Table 7 10 Representation of the Digitalized Measured Value of the Analog Inputs Voltage and Current Measurement Ranges Measuring Measuring Measuring Units Range Range Range Range 10V 20mA 4to20mA Decimal Hexadecimal gt 11 759 gt 23 516 0 wo il2 gt 7F00H Overflow 11 7589 23515 22 81 S25 TEFFH Upper range 10 0004 20 0007 20 005 27649 6C0lH 10 20 000 20 000 27648 6C00H 7 500 14 998 20736 5100H 0 0 4 000 0 0H Nominal range 7 500 14 998 3 9995 20736 AF004 10 20 000 o 27648 94001 10 0004 20 0007 Underflow 27649 93FFH range Lower range 11 759 23 516 32512 81004 1176 23 517 lt 32513 lt 80FFy Underflow C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 29 C7 Analog I O 7 6 6 Representation of Analog Values for the Output Range of the Analog Outputs Table for Output Table 7 11 contains the analog output ranges of the analog outputs Ranges Voltage Current Table 7 11 contains the representation of the voltage output range 10 V Output Ranges and the current output ranges 20 mA 4 to 20 mA Table 7 11 Representation of the Analog Output Range of the Analog Outputs Voltage Current Output Ranges Output Output Output Units Range Range Range Range 10V 4 to 20 mA 20 mA Decimal Hexadecimal 0 0 0 32512 7F00n Overflow Upper r
45. no l yes oll 7 Error in channel A14 0 no l yes Oll 08 Channel Specific Diagnostic Byte AI1 0 Parameter error in parameters for O no 1 yes Oll channel 1 3 000 4 Wire break in software 0 no 1 yes only for 4 to 20mA Ol1 5 0 6 Measurement underrange 0 no 1 yes underflow Oll 7 Measurementoverrange 0 no 1 yes overflow Oll 09 Channel Specific Diagnostic Byte AI2 0 Parameter error in parameters for O no 1 yes Oll channel 1 3 000 4 Wire break in software 0 no 1 yes only for 4 to 20mA Ol1 5 0 6 Measurement underrange 0 no 1 yes underflow Oll 7 Measurementoverrange 0 no 1 yes overflow Oll 10 6 C7 633 C7 634 Control Systems C79000 G7076 C634 01 VO Diagnostics Table 10 2 Structure of the Diagnostic Area Byte Bit Meaning Explanation Value Range 10 Channel Specific Diagnostic Byte AI3 0 Parameter error in parameters for O no 1 yes OlT channel 1 3 000 4 Wire break in software 0 no 1 yes only for 4 to 20mA Ol1 5 0 6 Measurement underrange 0 no 1 yes underflow Ol1 7 Measurementoverrange 0 no 1 yes overflow Oll 11 Channel Specific Diagnostic Byte A14 0 Parameter error in parameters for 0 no 1 yes Oll channel 1 3 0 4 Wire break in software 0 no 1 yes only for 4 to 20mA oll 5 0 6 Measurementunderrange 0 no 1 yes underflow Ol1 F Measurementoverrange 0 no 1 yes overflow Oll 12
46. of 1 ms CALL SFC47 Wait function WT 1000 1000 s 1ms Determining counter image optional run NOP 0 L PIW280 MCI T MW20 L PIW282 i C2 T MW22 either Determining counter image for 16 bit counter L PIW285 ii C3 T MW25 C7 633 C7 634 Control Systems C79000 G7076 C634 01 8 25 C7 Universal Inputs OB35 Statement Sequence OB40 Statement Sequence 8 26 or Determining counter image for 24 bit counter L PID284 read in C3 PIB284 286 and status byte PIB287 S RD8 transfer PIB287 bits from ACCU T MD24 transfer ACCU or C3 to memory double word END_ORGANIZATION_BLOCK OB35 contains the following statements ORGANIZATION_BLOCK OB35 var_temp start_info array 0 19 of byte end_var BEGIN AN Q1 2 assigned to Cl Q1 2 AN Q1 3 assigned to C2 Q1 3 AN Q1 4 assigned to C3 Q1 4 L QWO transfer QWO immediately T PQWO END_ORGANIZATION_BLOCK OB40 contains the following statements ORGANIZATION_BLOCK OB40 var_temp start_info array 0 19 of byte end_var BEGIN Determining which input has triggered interrupt AN L8 0 interrupt from C1 JC c2 L MB40 counts number of interrupts from C1 up to 255 INC 1 T MB40 c2 NOP 0 AN L8 1 interrupt from C2 JC c3 L MB41 counts number of interrupts from C2 up to 255 INC 1 T MB41 C7 633 C7 634 Control Systems C79000 G7076 C634 01
47. of measurement Deactivated Voltage Voltage Current e Measurementrange 10V 10V 20 mA 4 to 20 mA Interrupt cycle e Interrupt Yes No No e Interrupt time Unsolicited 3ms Unsolicited 3 5 ms 4 ms 4 5 ms to 16 ms C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O Hardware Interrupt You can operate the inputs of the analog I Os in three ways e Without hardware interrupt A free measuring cycle of all activated channels without generating hardware interrupts A D conversion of the channels Al Al2 AIS Al4 AN Al2 AI AIS aL EEL Ler Erk Measuring cycle of all activated channels Figure 7 16 Sequence of the Measurement with Four Analog Input Channels without Generating Hardware Interrupts e Hardware interrupt as a cyclic interrupt Free measuring cycle of all activated channels with generation of a non measuring cycle dependent hardware interrupt as a time interrupt with a configurable interrupt time Hardware interrupt Hardware interrupt Hardware interrupt to the C7 CPU to the C7 CPU to the C7 CPU A D conversion of the channels Alt Al2 Al3 Al4 A1 Al2 AIS Al4 Alt Al2 AIS Al4 Alt Al2 Al3 Al4 eg yi i ge Measuring cycle of all activated channels Cycle time e g 3 ms l Cycle time e g 3 ms l lt Figure 7 17 Sequence of the Measurement with Four Analog Input Channels and Generation of Hardware Interrupts as Cyclic Interrupts e Har
48. of the Login screen Internal error In COM TEXT IHV recipes affected Error in data structure of other type of function screen Internal error Error in data structure of Average Statistics screen Internal error Error group task ID does not exist Internal error The message number for this error group does not exist Internal error Communication mailbox type of received message is incorrect Internal error Occurs if for example new firmware is being used with old COM TEXT version Configuration error message for which there is no text expected 761 received instead Internal error Configuration error Internal error There are two variables Var 1 for the message number Var 2 a number for the error location C7 633 C7 634 Control Systems C79000 G7076 C634 01 System Messages Message 767 769 771 7712 774 716 7717 780 781 782 Cause Remedy Internal error With stop TD10 TD OP20 different Internal error Communication error gt Message frames Internal error Error reading area pointer Internal error Data record memory full Internal error Too many cyclic interrupts in transit Internal error Reset and repeat MPI download Internal error during MPI download possibly due to buffer problems Internal error Undefined error from communication with PLC An Online Setter function has been incorrectly defined in ProTool C7 633 C
49. period PIB286 time counter PIB287 Bit7 Bit 6 Bit5 States of the count inputs see Table 8 3 Bit 4 Bit3 Current state of universal input 4 Bit 2 Current state of universal input 3 Bit 1 Current state of universal input 2 BitO Current state of universal input 1 States of the The state of the individual inputs is stored as a bit pattern in PIB287 Inputs Table 8 3 State of the Inputs Address Status Display of Universal Inputs PIB287 Bit7 Bit6 Bit 1 Counter 3 enabled Bit 0 Counter 3 disabled Bit5 Bit 1 Counter 2 enabled Bit 0 Counter 2 disabled Bit4 Bit 1 Counter 1 enabled Bit 0 Counter disabled Bit 3 Bit 1 Bit 2 Bit 1 Bit 1 Bit 1 Bit 0 Bit 1 universal input 1 set Bit 0 universal input 1 reset universal input 2 set Bit 0 universal input 2 reset universal input 3 set Bit 0 universal input 3 reset universal input 4 set Bit 0 universal input 4 reset Only relevant if universal input was assigned as count input C7 633 C7 634 Control Systems C79000 G7076 C634 01 8 7 C7 Universal Inputs Output Range If the universal inputs are used as counters then the behavior of the counters is controlled via the output range Table 8 4 Addresses and Weighting of the Output Range of the Count Inputs Address Control of Counters 1 to 3 PQW280 Start comparison value counter 1 PQB287 Bit 0 0 Counter 1 disabled 1 Counter 1 enabled
50. setting a bit in one of the message areas in the C7 CPU The location of the message area is defined by the configuration tool The corresponding area must also be defined in the C7 CPU As soon as the bit in the event or alarm message area of the C7 CPU is set and transferred to the C7 OP the message is recognized as having arrived Conversely after resetting the same bit in the C7 CPU the message is registered in the C7 OP as having departed Table 4 1 represents the number of message areas for event and alarm messages and alarm acknowledgement areas as well as the total length of all areas for both the C7 633 and the C7 634 Table 4 1 Message Areas of the C7 OP Device Event message area Alarm message area and alarm message acknowledgement area Number Length words Number of Total length of each each type type words C7 633 4 32 4 32 7 634 4 64 4 64 A message can be configured for every bit in the configured message area The bits are assigned to the message numbers in ascending sequence Example The following event message area is configured for the C7 CPU DB 60 Address 42 Length 5 in words Figure 4 1 shows the assignment of all 80 5 x 16 message numbers to the individual bit numbers in the control event message area The assignment follows automatically in the C7 OP 7 oj 7 0 DB60 DBW42 16 1
51. switching frequency e With resistive load lamp load e With inductive load Inductive cutoff voltage limited internally to Short circuit protection of the outputs e Operating point L 0 8 V 0 5 A 5 mA to 0 5 mA max 0 5 mA max 5 W Possible outputs of the same group only Not possible Yes 100 Hz 0 5 Hz L 48 V Yes electronically timed 1A 6 7 C7 Digital I O 6 3 DI DO Status Displays Configuring the DI DO Status Display C7 CPU Access 6 8 The DI DO status display is not a system function but a configured image of the C7 OP You can create the DI DO status display image yourself or copy it from the standard configuration supplied with ProTool image name Z_DI_DO The values represented are read as a direct process image of the digital inputs and an internal process image of the digital outputs of the digital C7 T O and displayed in binary format BIN Note that the last state set by the program is displayed although the real process state of the digital outputs is 0 when the C7 CPU is in STOP mode The following data are displayed DI 11101110 10101010 DO 11101110 10101010 or a 0 a Figure 6 3 DI DO Status Display on a C7 633 P Table 6 1 Explanation of the DI DO Display in Figure 6 3 Position Explanation Signal status of the DI DO e 1 DI DO set e 0 DI DO reset Pin no from to Note Th
52. the case of high counting frequency and relatively long cycles gt accessing OB1 more than once might supply different values C7 633 C7 634 Control Systems C79000 G7076 C634 01 8 23 C7 Universal Inputs S7 Status OB100 Statement Sequence 8 24 5 OB40 This block is used for interrupt evaluation A jump is executed by evaluating the information of the interrupt vector register from the start information of OB40 LB 8 A memory byte is incremented as a function of the counter which has triggered the interrupt OB40 is programmed to recognize even several interrupts occurring almost simultaneously 6 OB35 OB35 is used to generate the count pulses The following wiring is required to execute the example Connect digital output 1 2 with DI X1 Connect digital output 1 3 with DI X2 Connect digital output 1 4 with DI X3 In OB35 the output bits of the C7 digital outputs are toggled alternately enabled disabled and the effect is a period time of 200 ms at each output correponding to a frequency of 5 Hz This value results from the 100 ms default cyclic interrupt time of OB35 This means that each output is set to a logical 1 for 100 ms and then also for 100 ms reset to a logical 0 With the Monitoring and Modifying Variables application in STEP 7 the following can be monitored PIW280 current counter value C1 MW20 counter image Cl PIW282 current counter value C2 MW22 counter image C2 PIW285 current
53. the two pin plug connector The battery connector is coded to prevent it being plugged incorrectly see Figure 11 3 Replace the battery cover on the C7 with the clips to the left and screw the cover tight again Figure 11 3 Inserting the Backup Battery Service Life of the We recommend that you change the battery every year Backup Battery Note Observe the regulations or guidelines concerning the handling and disposal of lithium batteries enclosed with the battery Storage of Backup Store your backup batteries in a cool dry place Backup batteries can be Batteries stored for up to five years C7 633 C7 634 Control Systems C79000 G7076 C634 01 Maintenance 11 2 Replacing the C7 Introduction Requirement Removal On site repair of the C7 has not been provided for For this reason a defective C7 must be replaced The following components must be available in order to replace a C7 Hardware e Programming device PC with MPI interface module e Connection cable MPI and RS 232 TTY Development tools e STEP 7 e ProTool or ProTool Lite User software stored outside the C7 e OP configuration e CPU user program if data from the C7 CPU can no longer be read and no memory card is inserted Dismantle the device in the opposite order to the installation Proceed as follows to remove the C7 1 Connect a programming device PC to the multipoint interface 2 Use STEP 7 to save t
54. therefore no longer be used Password or query window already in use by another function Specified remaining buffer space for messages has been reached Message buffer overflow The number of passwords issued has already reached 50 You can not enter any more passwords The field configured in the PLC job does not exist Remedy Check parameters of PLC job Check recipe configuration Wait until preceding function has been completed or terminate function and then call desired function again 1 Floppy drive not present 2 Floppy is read only 3 Disk is not formatted First format the disk Delete data records that are no longer required Try activating function again Check configuration 1 Move function to a different screen 2 Simplify screen structure 3 Do not use any trends on the screen together with this function If you are continuing to use the data records the old version number must be entered in the recipe configuration Caution The structure of the recipe determines the assignment of data to a data record Only individual data records of a parameter record can be edited Check PLC program In the case of large data records no modifications are necessary as the function is being processed correctly Change operating mode of PLC Edit data record and check that all entries are correct Complete first function then execute desired function again Configure smaller rem
55. to the C7 CPU user program The user program is cyclically supplied with the current count value update time 0 5 ms This means that when reading in the current process value via the user program for example L PIW280 this value is up to 500 us older With high counting frequencies there can be an offset of several count pulses for example 10 kHz 1 pulse every 100 us that is the counter has already counted up to 4 more pulses Depending on the application it is necessary to take this into account for example waiting time of gt 0 5 ms after the counting encoder has stopped or using a hardware interrupt until counter end value The universal counter inputs are controlled by the user program Table 8 7 lists the different ways of influencing the counter in the user program For a detailed description of the individual bits in PQB287 please refer to Table 8 4 Table 8 7 Controlling Counters with the User Program Aim Procedure Start counter e Enter a valid start value if counting down or a valid comparison value if counting up PQW280 PQW282 PQB284 PQB 285 PQB 286 e Activate the new start comparison value PQB287 rising edge 0 gt 1 e Start the counter by selecting the start bit PQB287 falling edge 1 gt 0 Stop counter e Reset the start bit PQB287 falling edge 1 gt 0 Restart counter with counter Ifnecessary enter a new start value or retain old
56. user memory for example in the form of instance data blocks The SFCs can have parameters assigned which means the block parameters can be changed dynamically during program processing This means different communication partners can be reached in succession using one SFC On the server side no SFCs are required in the user program for specific functions as these communication functions are already being dealt with by the operating system C7 633 C7 634 Control Systems C79000 G7076 C634 01 5 3 Communication Functions Addressing Data Consistency The following SFCs are available for communication via MPI subnet Blocks SFC65 SFC66 X_SEND X_RCV Description Safe transfer of a data field to a communication partner meaning the data exchange is only complete when the receive function X_RCV has accepted the data in the communication partner SFC67 X_GET With this SFC you can read a variable from a communication partner without having to place a corresponding SFC on the communication partner This function is performed in the communication partner by the operating system SFC68 X_PUT With this SFC you can write a variable to a communication partner without having to place a corresponding SFC on the communication partner This function is performed in the communication partner by the operating system SFC69 X_ABORT With this SFC you can cancel an existing connectio
57. variables for a fixed data structure You set this structure in your configuration and assign data to it on the C7 OP You cannot modify the structure on the C7 OP later Since the data structure can be assigned several times we refer to data records These data records are stored created loaded deleted and modified on the C7 OP The data are stored on the C7 OP thus saving memory on the C7 CPU Using recipes insures that when a data record is transferred to the C7 CPU several items of data are transferred to the C7 CPU together and ina synchronized fashion Data records can be transferred from the C7 OP to the C7 CPU or from the C7 CPU to the C7 OP You transfer data records from the C7 OP to the C7 CPU to set specific values on the C7 CPU for example to produce orange juice In the same way you can fetch data from the C7 CPU and store them on the C7 OP as a data record to save say a favorable assignment of values Note Only variables are used to transfer data records In order to transfer a data record from the data medium flash of the C7 OP to the C7 CPU it must first be loaded into the variables A special feature of recipes is that the data are transferred synchronously and cannot be inadvertently overwritten To insure a coordinated procedure for transferring data records bits are set in the control and checkback byte 2 of the interface area C7 633 C7 634 Control Systems C79000 G7076 C634 01 4 19
58. 0 7 Channel type AO of the following channel specific diagnostic information 73H 13 0 7 Number of analog output channels 4 on module 14 0 7 Number of diagnostic bits per 1 channel 15 Channel Vector for Channel Group AO 0 Collective error in AOL O no l yes Ol1 1 Collective error in AO2 O no 1 yes Oll 2 Collective error in AO3 O no l yes Oll 3 Collective error in AO4 0 no l yes Ol1 4 7 0000 Analog inputs will be reset until the channel functions again Exception parameter assignment for wire break check for setting lt gt 4 20 mA AI 7FFFy Analog output will be reset until channel functions again AO 0V 0 mA xx No hardware interrupt no diagnostic interrupt no disturbance on the bit 0 of byte 0 0 C7 633 C7 634 Control Systems C79000 G7076 C634 01 10 7 VO Diagnostics 10 3 Dependencies and Reactions of the Diagnostic Evaluation Overview The diagnostic entries are interdependent For example the message for the error wire break can only become effective if the diagnostic entries external error and channel error are set simultaneously Dependency of These dependencies are illustrated in Table 10 3 Error Entry Table 10 3 Dependencies and Reactions of the Error Entries Byte 0 BitO 1 Module error Byte 0 Bit 1 1 Internal error Byte 2 Bit 3 1 Watchdog R Byte 3 Bit 2 1 EEPROM error R Byte 3 Bit4 1 ADC error M R
59. 0 Voltage power idle substitute value 0 01 Retain last value 10 Global substitute value byte 14 to 15 1 0 01 Output area 00 Deactivated 01 10 V 10 20 mA 11 4 to 20 mA 13 7 6 00 AO4 Reaction to CPU STOP 00 Voltage power idle substitute value 0 01 Retain last value 10 Global substitute value byte 14 to 15 5 4 01 Output area 00 Deactivated 01 10 V 10 20 mA 11 4 to 20 mA 3 2 00 AO3 Reaction to CPU STOP 00 Voltage power idle substitute value 0 01 Retain last value 10 Global substitute value byte 14 to 15 1 0 01 Output area 00 Deactivated 01 10 V 10 20 mA 11 4 to 20 mA 14 ooo0y Global substitute value for only if global substitute value active on at least AOI to AO4 one of the AO 15 C7 633 C7 634 Control Systems 9 4 C79000 G7076 C634 01 I O Diagnostics In This Chapter In this section you will learn which diagnostic messages you can set and how the diagnostic buffer is structured The diagnostics of the C7 analog I O are described This chapter also tells you how you can correct the reported errors for the most important diagnostic messages of the C7 analog I O with universal inputs The term module refers here to a unit consisting of the analog I O and the universal inputs Chapter Section Description Page Overview 10 1 Diagnostic Messages 110 2 0 2 10 2 Diagnostic Data of the C7 Analog I O and Universal Input
60. 1 C7 633 with Keyboard and Display C7 633 C7 634 Control Systems 3 2 C79000 G7076 C634 01 Special Features of C7 SIEMENS Figure 3 2 C7 634 with Keyboard and Display C7 633 C7 634 Control Systems C79000 G7076 C634 01 SIMATIC C7 634 All other keys are identical to those of the C7 633 Special Features of C7 3 2 Selecting a C7 CPU Operating Mode Changing the C7 CPU Operating Mode 3 4 You select the CPU operating modes RUN P RUN STOP and MRES as follows Each time the mode selector key is pressed the CPU mode changes The key must remain pressed for at least 500 ms for the mode change to take place and the corresponding LED to light up To prevent an uncontrolled C7 CPU operating mode transition during control operation the key function can be activated or deactivated via an external authorization input When the authorization input is activated operating mode selection is active and the current CPU mode is displayed by an LED When the authorization input is deactivated all status LEDs are off The authorization input is located on the same connector as the C7 power supply see Section 2 4 Authorization activated A T bridged AI Authorization deactivated A open AI C7 633 C7 634 Control Systems C79000 G7076 C634 01 Special Features of C7 Mode RUN P R P Key iS Explanation Procedure The C7 CPU processes the user program Programs and data ca
61. 10 4 Diagnostic entry channel specific 10 6 Diagnostic error permanent temporary 10 3 Diagnostic evaluation 10 8 Diagnostic events Diagnostic messages reaction 10 9 read 10 3 Diagnostics analog input 10 4 analog output 10 4 C7 T O parameter block Digital input universal inputs Digital input function technical specifications 64 6 4 Digital inputs universal inputs 8 11 Digital output function special features Digital outputs 2 10 6 5 Dimensions labeling strips 2 3 Display arene re Display mode for alarm messages control job Dynamic parameters 7 21 E Enable diagnostic interru pt 7 22 7 25 Enabling diagnostics 10 4 Error handling A 2 Error indicator LEDs 3 7 Errors internal A 2 EU Directive Machinery B 12 Event assignable 8 12 Event message area setting the bit 4 4 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Events configurable 7 35 External gate counter 8 22 F Fetch acknowledgement area control job Fetch alarm message bit area control job Fetch event message bit area control job File labeling strips 2 2 Flash EPROM Glossary 4 Flash memory Glossary 4 FM approval FRCE Frequency calculation 8 17 Frequency counter parameter 8 9 universal inputs Function keyboard image Function keys labeling Function modules FM Functional ground 2 14 Functions C7
62. 117 119 120 124 130 132 129 134 136 A 4 Cause Remedy Data transfer error A variable indicating the cause of the Repeat the data transfer Before doing so fault is transferred with this message check the physical connection configured interface parameters if necessary Variable p y Timeout error Framing error receiving Overrun error Parity error No connection established Checksum error receiving Unexpected characters received 7 11 Internalerrors 12 Receive data block too large 13 Memory area not available on PLC DAnNKRWNFH CO Fault in connection to PLC Possible causes Fault on the transmission link e g connecting cable defective Incorrect interface parameters set on C7 or on communication partner No connection to PLC established Set different CPU using the menu command System and the Parameters button in the dialog box which appears Restart due to RAM failure Restart following termination of COM UNI mode Startup following cancellation of COM UNI mode Transfer cancelled by operator Connection with C7 is still open the C7 is waiting Fault resulting in wait message has been eliminated Restart following activation of COM UNI mode C7 is in download mode Restart after change of operating mode from offline to online C7 is in normal mode PLC has been restarted Establishing logical link to PLC Connection to PLC is OK again following a fault Au
63. 4 Voltage tests Requirements are met C7 633 C7 634 Control Systems B 12 C79000 G7076 C634 01 Technical Specifications for the C7 B 4 Transport and Storage Conditions for Backup Batteries Transport of Backup Batteries Storage of Backup Batteries ZN Rules for Handling and Using Backup Batteries Transport backup batteries where possible in their original packaging Observe the regulations for the transport of dangerous goods and substances The backup battery contains approximately 0 25 g of lithium Note According to air freight transport regulations the backup battery is in Hazardous Goods Class 9 Store backup batteries in a cool dry place Backup batteries can be stored for up to five years Warning Backup batteries can ignite or explode and constitute a serious fire hazard if they are heated or damaged Store batteries in a cool dry place To prevent hazards when using backup batteries you must observe the following rules Do not e Recharge e Heat e Burn e Drill e Crush e Short circuit backup batteries C7 633 C7 634 Control Systems C79000 G7076 C634 01 B 13 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Guidelines for Handling Electrostatically Sensitive Devices ESD Chapter Section Description Page Overview ei What is ESD C2 C 2 Electrostatic Charging of Objects and Persons C 3 C3 General Protective Measures against Electrostatic C 4
64. 4 Control Systems C79000 G7076 C634 01 8 5 C7 Universal Inputs 8 2 Use and Function of the Universal Inputs In This Section In this section you can find Basic terminology about the function of the universal inputs How you can use the universal inputs How you can address and assign parameters to the universal inputs 8 2 1 Addressing Universal Inputs Overview You can select the following functions by assigning the appropriate parameters to the universal inputs Digital input Interrupt input Counter Frequency counter Period time counter External gate counter Universal Input The addresses for the universal inputs are default addresses which cannot be Addresses changed According to the application of the universal inputs the results occupy differing addresses For the address allocation a distinction is made between 8 6 The input range PIW280 to PIB287 for count values or signal state of the digital inputs and The output control range PQW 280 to PQB287 for counters C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Universal Inputs Input Range The 4 universal inputs of the input range see Figure 8 1 have the following addresses and weightings Table 8 2 Input Address of the Universal Inputs Address Designation PIB280 CI1 Counter input PIB281 PIB282 CI2 Counter input PIB283 PIB284 CI3 Counter input PIB285 Frequency
65. 4 VDC from 11 to 30 V from 3 to 5 V from 6 to 11 5 mA No from 1 2 to 4 8 ms from 1 2 to 4 8 ms In accordance with EN 61131 2 IEC 1131 Part 2 Type 2 Possible lt 2mA C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Digital I O 6 2 Digital Outputs Characteristics Special Feature C7 633 C7 634 Control Systems C79000 G7076 C634 01 The digital outputs have the following characteristics e 16 outputs isolated e Output current 0 5 A e Nominal load voltage 24 VDC e Suitable for solenoid valves and d c contactors When the supply voltage is switched on the digital outputs send a pulse to the outputs A pulse can be approximately 50 us within the permissible output current range 6 5 C7 Digital I O Terminal Figure 6 2 shows the terminal connection and the block diagram of the Connection and digital outputs Block magram The pages following contain detailed technical specifications of the digital outputs Bottom view of C7 OD o of 10 0 0 Digital outputs o ej 3 1 F 0 2 2 gi e 0 3 3 1 2L o fel lo 4 A 5 e 10 5 5 Z g e 0 6 6 4 0 7 7 YEK M gt REN 3 L a ef 1 0 0 fb li 1 l ej 1 2 2 T o o 1 3 3 2M o of 11 4 4 Block diagram e 71 5 5 el 1 6 6 o o 1 7 7 o Load power
66. 7 633 P 6ES7633 1DF00 0AE3 C7 633 DP 6ES7633 2BF00 0AE3 C7 634 P 6ES7634 2DBF00 0AE3 C7 634 DP 6ES7634 2BF00 0AE3 This manual is intended for personnel with the necessary qualifications for commissioning operating and programming the hardware product described You should be familiar with the use of computers or devices with similar functions to a PC for example programming devices under the operating system Windows 95 NT 4 0 and have some knowledge of the STEP 7 Standard software and the ProTool configuration software and the relevant documentation The control systems comprise the following individual components e SIMATIC S7 300 e SIMATIC Operator Panel You will find information on these individual components in the version of the C7 documentation package valid for your control systems This documentation package comprises four manuals and an instruction list You will find the contents listed in Table 1 1 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Preface Manual 65 31165 312 6 7 8 Manual 7 300 Programmable Controller Hardware and Installation Operator Panel OP7 OP17 Instruction List 7 300 Programmable Controller Reference Manual CPU 312 IFM 314 IFM 313 314 315 315 2 DP Module Specifications Table 1 1 Manual Manual C7 633 C7 634 Control Systems Manual Operator Panel OP7 OP17 Manual S7 300 Programmable Controller Hardware and I
67. 7 634 Control Systems C79000 G7076 C634 01 A 21 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Technical Specifications for the C7 What are the This chapter lists the technical specifications of the C7 Technical Specifications These technical specifications include the standards and test values that the C7 conforms to or the criteria against which the C7 has been tested Chapter Section Description Page Overview B 1 Technical Specifications Bz B 2 Notes on the CE Marking B 3 Notes for Machine Manufacturers B 4 Transport and Storage Conditions for Backup Batteries B 13 C7 633 C7 634 Control Systems C79000 G7076 C634 01 B 1 Technical Specifications for the C7 B 1 Technical Specifications Order number 6ES7633 2BF00 0AE3 6ES7634 2BF00 0AE3 6ES7633 1DFO0 0OAE3 6ES7634 1DF00 0AE3 Dimensions Device B x H x D 240 x 203 5 x 74 4 mm 240 x 203 5 x 89 4 mm Cutout B x H 231 x 159 mm 231 x 159 mm Weight 1600 g 1700 g 1800 g 1900 g Safety of electrical equipment e Standards e Protection against foreign particles and water e Fire safety Plug connectors Basic connectors in housing Housing front EN 61131 2 according to IEC 1131 2 Front IP 65 according to IEC 529 Housing IP 20 according to IEC 529 According to UL 94 V2 vo vo Acceptance tests certification EN 61131 2 IEC 1131 2 UL Listing UL 508 Canadian Standard As
68. 7 OP and the device is restarted To use this function preset the following values when configuring the C7 OP e Version number of the configuration value between 1 and 255 under System Settings e Data type and address of the value stored in the controller for the version System Area Pointers Select User Version in the Type field C7 633 C7 634 Control Systems C79000 G7076 C634 01 4 13 Communication between the CPU and the Operator Panel 4 7 Interface Area Overview The interface area is only necessary for the C7 CPU if its functions are to be used or evaluated by the C7 CPU The interface area must be configured if you want to use the following functions Send control jobs to the C7 OP Synchronize date and time between the C7 CPU and the C7 OP Evaluate coupling identifier Recipes transferring data records Recognize C7 OP startup in the C7 CPU program Evaluate the C7 OP operating mode in the C7 CPU program Evaluate the C7 OP s ready bit in the C7 CPU program Set cyclic interrupts C7 634 only Layout of the Figure 4 7 shows the layout of the interface area You can define the interface Interface Area area in a data block or a memory area The address of the interface area should be specified in the configuration This is necessary so that the OP knows where to put the data The interface area should be created once per CPU Interface area
69. 9 630 631 632 634 A 14 Cause Illegal keyboard ID submodule number too high or number of keys does not match keyboard ID Incorrect parameter transferred message type Configured recipe does not fit in recipe mailbox on PLC gt 512 data words Internal error Screen object for Send Recipe is not a recipe type fixed by COM TEXT No recipe entries found Recipe number does not exist No setpoints have been configured Internal error Configured keyboard block number too high Recipe does not fit in mailboxes LED image area too small Keyboard image area too small Message configuration incomplete or incorrect Variable x 1 2 Alarm message triggered not configured 3 Process link only created symbolically 4 Actual value field only created symbolically 5 6 Event message triggered not configured 7 Symbolic actual value field only created symbolically 21 24 Field texts for symbolic actual value do not exist 25 Illegal field type 8 20 Internal error Configuration error Variable x 1 4 Information text does not exist 2 Information text ID for messages does not exist 3 6 8 Internal error 11 13 5 Field only created symbolically 9 Screen or recipe entry only created symbolically 12 Process screen or recipe contains no entries Configuration error Variable x 0 8 34 Internal error 18 Screen or recipe title not configured Remedy Enter confi
70. Actual value of counter 8 14 calculating 8 14 Additional information 8 13 Addresses analog function 7 18 universal input 8 6 Addressing 6 9 Addressing recipes and data records 4 20 Alarm acknowledgement number 4 4 Alarm message area setting the bit Analog function parameter 7 21 Analog I O behavior 7 33 Analog input diagnostics isolated parameter 7 22 Analog input function 7 10 technical specifications Analog input module characteristics 7 11 technical specifications terminal connection diagram 7 12 Analog input module SM 331 AI 8 wire break check 7 10 Analog inputs measurement ranges 7 10 7 28 Analog inputs outputs 2 11 Analog output diagnostics output ranges parameters C7 633 C7 634 Control Systems C79000 G7076 C634 01 Analog output function 7 15 technical specifications terminal connection diagram 7 16 Analog ranges resolution 7 27 sign conventions 7 27 Analog signal cable for 7 3 Analog digital conversion 7 31 Area pointer screen number area 4 12 Assigning parameters universal inputs AUX digital inputs 2 12 storage 11 3 transport and storage B 13 Basic setting parameter block 7 25 BATE 3 7 Battery backup 11 2 Battery fault Bit number Bus connector 2 16 C C7 functions installing C7 accessories C7 cutout C7 I O diagnostics 10 2 C7 T O modul
71. C634 01 Remedy Check the configuration If the fault is not corrected by performing a restart please contact the SIMATIC Hotline Configure event message gt message number fully Configure alarm message gt message number concerned Reconfigure interrupt message gt message number Press key to restart If the fault is not corrected by performing a restart please contact the SIMATIC Hotline If the fault is not corrected by performing a restart please contact the SIMATIC Hotline Configure an area pointer A 15 System Messages Message 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 667 A 16 Cause Internal error There is not at least one data record for every recipe Configuration is not compatible with S5 The configured user version number does not match the version number stored on the PLC The PLC acknowledgement area has not been configured to follow on physically from the message area PLC acknowledgement area does not physically follow on from the alarm message area gt no startup Configured protocol is not possible Configured PLC protocol is not possible Configured PLC protocol is not possible Illegal process link in recipe destination does not exist Invalid destination configured for return reference in menu On process screen recipe setpoint or previous value configured in recipe
72. C7 634 Control Systems C79000 G7076 C634 01 Preface Table 1 3 Other Manuals that Provide Helpful Information on How to Operate the C7 Control System Manual Contents PG 7xx Describes the programming device PG hardware e Setting up and starting up the programming device e Expansion possibilities e Configuration e Error diagnostics ProTool ProTool Lite Manual for creating configurations with ProTool or ProTool Lite e Using ProTool ProTool Lite e Configuring e Displays and messages e Loading the configuration into the C7 Manual Communication with SIMATIC Describes communication in the SIMATIC S7 M7 C7 e Introduction to the theory of communications e Communication utilities e Structure and configuration of communication networks e Examples of the various communication possibilities Conventions To make it easier to read this manual we have used C7 throughout the manual to stand for the device types C7 633 P C7 633 DP C7 634 P and C7 634 DP Other Sources of In the literature list at the end of the manual you will find a list of other Information sources of information on S7 300 and programmable logic controllers Structure of This To make it easier for you to locate specific information the manual has been Manual structured as follows At the beginning of the manual you will find a complete table of contents for the manual In the individual chapters the information in the left ma
73. Data bits 5 6 7 8 Stop bits 1 2 Timeout 1 600 Select a different printer or check printer configuration in ProTool Enter permissible value Enter a value that is within the permissible range Enter permissible value This error can occur if the PLC is temporarily overloaded or if the function block is not called for more than 1 5 s Try sending again later when the PLC has released the recipe mailbox This error occurs if the PLC sends too many jobs using collect message area within a certain period of time Checking of data records by the user at the PLC end must be carried out more quickly lt 10s Please contact the SIMATIC Hotline A process link with a non existent data block has been configured in a recipe or the recipe data contain errors C7 633 C7 634 Control Systems C79000 G7076 C634 01 System Messages Message S11 512 516 518 520 5215522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 550 551 Cause You have used a PLC job to select a recipe or a request data record that does not exist Configured data block length is too short The variable transferred with the message identifies the number of the data block SINEC L2 protocol configured but no interface submodule inserted Interface submodule inserted and protocol configured do not match Excessive number of saved returns has mean
74. Date 1 to 31 RB Month 1 to 12 Parameter 3 LB Year 16 Parameters for internal interface C7 633 RS 232 C7 634 IF1 Parameter Value for parameter 2 Transmission rate only for printer 0 300 bps 1 600 bps 2 1200 bps 3 2400 bps 4 4800 bps 5 9600 bps 6 19200 bps Data bits only for printer 0 7 data bits 1 8 data bits Stop bits only for printer 0 1 stop bit 1 2 stop bits Parity only for printer 0 Even 1 Odd 2 None C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel No Function Parameter 2 Interface parameters to be set 0 Transmissionrate 1 Data bits 2 Stop bits 3 Parity Parameter 3 19 Printer parameters Parameter 1 Value for parameter 2 Number of characters per line 0 20characters line 1 40characters line 2 80characters line Number of lines per page 0 60 lines page 1 61 lines page 12 72 lines page Parameter 2 Printer parameters to be set 0 Number of characters per line 1 Number of lines per page Parameter 3 21 Display mode for alarm messages Parameter 1 0 First value oldest message 1 Last value newest message Parameters 2 3 22 Set display contrast Parameter 0 to 15 Parameters 2 3 23 Set password level Parameter 1 0 to9 0 lowest password level 9 highest password level Parameters 2 3 24 Password logout Parameters 1 2 3 31
75. Discharge Damage C4 Taking Measurements and Working on ESD Modules C 6 C5 Packing Electrostatically Sensitive Devices C 6 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C 1 Guidelines for Handling Electrostatically Sensitive Devices ESD C 1 What is ESD Definition C 2 All electronic modules are equipped with large scale integrated ICs or components Due to their design these electronic components are very sensitive to overvoltages and thus to any electrostatic discharge These Electrostatically Sensitive Devices are commonly referred to by the abbreviation ESD Electrostatically sensitive devices are labeled with the following symbol Caution Electrostatically sensitive devices can be damaged by voltages that are far below the voltage values that can still be perceived by human beings These voltages are present if you touch a component or module without previously being electrostatically discharged In most cases damage caused by an overvoltage is not immediately noticeable and results in total damage only after a prolonged period of operation C7 633 C7 634 Control Systems C79000 G7076 C634 01 Guidelines for Handling Electrostatically Sensitive Devices ESD C 2 Electrostatic Charging of Objects and Persons Electrostatic Charging Limits for Perceiving Electrostatic Discharges Any object with no conductive connection to the electrical potential of its surroundings ca
76. LAD other languages optional HMI configuration ProTool ProTool Lite Main memory 1 instruction cor responds to approx 3 bytes 64 Kbytes 20 K instruction RAM 48 Kbytes 16 K instruction RAM Load memory e Integrated 96 Kbytes RAM e External max 512 Kbytes FEPROM memory card Data backup with battery all data without battery max 4736 bytes can be configured for bit memory timers counters data max 8 DBs max 4096 data bytes retentive in total Programming organization linear structured User program protection e Knowhow protect e Password protection Instruction set Binary logic bracketed commands result assignment save count load transfer compare shift rotate generate complement call blocks integer math instructions floating point math instructions jump functions Types of blocks No of blocks Organization blocks OB Function blocks FB Functions FC Data blocks DB System functions SFC System function blocks SFB 128 FCs 128 FBs or 127 DBs Program processing As C7 633 634 DP but without error handling OB86 Startup OB 100 Free cycle OB1 Real time controlled OB 10 Time driven OB35 Interrupt driven OB40 Error handling OB80 81 82 85 86 87 121 122 B 4 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Technical Specifications for the C7 System functions SFC M
77. S7 300 C7 633 DP CPU 315 or CPU 315 2 DP as the C7 CPU and an OP 7 with extended function keys as the C7 OP see Section 3 1 The screen display comprises four lines of 20 characters with a character height of 8 mm The C7 633 P is fitted with an integrated I O module and has no DP interface Figure 1 1 C7 633 P The C7 633 DP does not have an integrated on board I O ee LE TE 27 ny ALLA AE Figure 1 2 C7 633 DP C7 633 C7 634 Control Systems 1 2 C79000 G7076 C634 01 Product Overview C7 634 P The C7 634 P and C7 634 DP control systems have a SIMATIC S7 300 C7 634 DP CPU 315 or CPU 315 2 DP as the C7 CPU and an OP 17 as the C7 OP The screen display can be configured as follows e Four lines of 20 characters with 11 mm character height or e Eight lines of 40 characters with 6 mm character height The different character heights can also be combined with the basic configuration of 8 40 in a display The C7 634 P is fitted with an integrated I O module and has no DP interface Figure 1 3 C7 634 P The C7 634 DP has no integrated on board I O z SLE n a a Serres aT i 5 2a SIMATIC C7 634 Figure 1 4 C7 634 DP C7 633 C7 634 Control Systems C79000 G7076 C634 01 1 3 Product Overview PROFIBUS DP Bus Connection Scope of Functions C7 Components The C7 633 DP and C7 634 DP control systems can be connect
78. SIEMENS Preface Product Overview Installation and Setup Guidelines for the C7 NO SIMATIC Special Features of C7 C7 633 C7 634 CPU and the Operator Panel Control Systems Communication Functions Manual This manual is part of the documentation package with the order number O O O O Ny Ny Ni S z ig 3 lt v 2 S E D O D O O E 5 a D D D gt D 0 J O Ol A oo Data Set Description I O 6ES7633 1AF01 8BA0 Parameter Assignment I O Diagnostics Maintenance op 2 z a is T S amp D 6 o jab Q 4 gt wn Technical Specifications O D O N Guidelines for Handling Electrostatically Sensitive Devices ESD Literature on SIMATIC S7 and C7 10 98 C79000 G7076 C634 Release 01 Safety Guidelines This manual contains notices which you should observe to ensure your own personal safety as well as to protect the product and connected equipment These notices are highlighted in the manual by a warning triangle and are marked as follows according to the level of danger A Warning indicates that death severe personal injury or substantial property damage can result if proper precautions are nottaken Note draws your attention to particularly important information on the product handling the product or to a particular part of the documentation Quali
79. WORD upper limit DWORD channel DWORD end_var var_output actual value DWORD end_var var_temp LL DWORD RANGE_HEX DWORD PERCENT DWORD end_var BEGIN Case unipolar or bipolar measuring range L lower limit lower limit negative L 0 0 yes gt bipolar measuring range lt R JC bipo L DW 16 000_00000 unipolar range lower limit TLL JU comp bipo NOP 0 L W 16 9400 bipolar range lower limit ITD T LE Computing the range hexadecimal comp NOP 0 L W 16 6C00 upper limit for unipolar and bipolar range identical ITD L LL D T RANGE_HEX buffer difference C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 37 C7 Analog I O Calling FC126 in OB1 7 38 Relating actual value to total measuring range L channel relate input value to total range ITD LLL D DTR L RANGE_HEX DTR R T PERCENT Computing floating point number L upper limit calculate floating point number range L lower limit R L PERCENT L lower limit R T actual value END_FUNCTION An example for calling FC126 is described below Before calling the function the range limits must be reassigned to memory double words This is necessary to enable using variable values Normally upper limit and lower limit are fixed values This can be achieved by setting the upper limit and lower limit parameters in the decla
80. a specific date or daily and time for example at 9 50 or every hour or every minute It triggers execution of the relevant organization block Sum of the currents of all output channels of a digital output module Data transmission rate in bits per second bps Without electrical connection to ground A diagnostic event recognized by the user which can be entered in the diagnostic buffer via SFC52 Note If the entry is prepared in the diagnostic buffer in clear text and sent a message appears The user memory contains the logic blocks and data blocks of the user program The user memory is either integrated in the CPU or in the form of insertable memory cards or memory submodules The user program is however always executed from the internal RAM memory of the CPU The user program contains all the statements and declarations and the data required for signal processing to control a plant or a process The program is linked to a programmable module for example CPU or function module and can be structured in the form of smaller units blocks Voltage dependent resistor The work memory is a random access memory RAM in the CPU which the processor accesses while executing the user program C7 633 C7 634 Control Systems C79000 G7076 C634 01 Index 4 wire transducer connection measuring ranges 7 10 A Accessories 1 5 Acknowledgement area 4 51 4 6 i bit 4 5 Acknowledgement areas size 4 7
81. aining buffer space clear event interrupt message buffer The overflow messages are printed out if so specified in the configuration If you wish to issue additional passwords you must first delete some of the existing ones Change the parameters of the PLC job and retransfer the configuration C7 633 C7 634 Control Systems C79000 G7076 C634 01 System Messages Message 303 304 305 306 307 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 Cause Fault in connection with PLC S5 this error may occur when transferring large data records In such cases the watchdog is activated Illegal S5 job number or job parameters in a function field Data block number missing Incorrect CPU specified under the menu command System Parameters button in the dialog box which appears Variable not present on PLC The printer is already processing a print job and cannot accept this next job at present Information message print job completed S7 diagnostic buffer not present No information text available Active password level insufficient for menu item Input is password protected Incorrect password entered when attempting to log in An existing password was entered when editing the password You have attempted to alter the level of the supervisor password or to delete it You have attempted to a
82. ake it easier to use the documentation C7 Programming ae Assigning Parameters Configuring STL for S7 300 S7 400 or LAD for 7 300 S7 400 FBD for S7 300 S7 400 ee can be used for all SIMATIC C7s and SIMATIC OPs can be used for all SIMATIC C7s and SIMATIC OPs which do not support full graphics Program Design Manual J If required C7 633 C7 634 Control Systems C79000 G7076 C634 01 vV Preface Table 1 2 STEP 7 Documentation Package Order Number see Catalog ST 70 Manual User Manual Standard Software for S7 and M7 Manual Statement List STL for S7 300 400 Programming or Manual Ladder Logic LAD for S7 300 400 Programming or Manual Function Block Diagram FBD for S7 300 400 Programming Reference Manual System Software for S7 300 400 System and Standard Functions Programming Manual System Software for S7 300 400 Program Design vi Contents Provides information on working with the STEP 7 applications e Installing and starting up STEP 7 on a PC programming device e Handling the applications with the following contents Managing projects and files Configuring and assigning parameters to the S7 300 Assigning symbolic names for user programs Creating and debugging the user program in STL LAD Creating data blocks e Configuring communications between several CPUs Downloading uploading storing and deleting the user program Monitoring and m
83. al output for voltage current MANA Analog output reference potential C7 633 C7 634 Control Systems C79000 G7076 C634 01 2 11 Installation and Setup Guidelines for the C7 AUX Digital Inputs X10 Universal Inputs DI DO 24 VDC X10 Power Supply 2 12 Table 2 5 Pin Assignments of the Universal Inputs Pin No Explanation M Relevant ground DI X1 Universal input 1 digital input interrupt input or counter input DI X2 Universal input 2 digital input interrupt input or counter input DI X3 Universal input 3 digital input interrupt frequency or period duration counter input DI X4 Universal input 4 interrupt input or digital input Gatel Gate for counter input DI X1 Gate2 Gate for counter input DI X2 Gate3 Gate for counter input DI X3 Table 2 6 Pin Assignments of the Power Supply DI DO Pin No Explanation 1L 24 volt supply for DI 0 0 1 7 1M Relevant ground for DI 0 0 1 7 2L 24 volt supply for DOO 0 DO0 7 approx 2 A 2L 24 volt supply for DOO 0 DO0 7 approx 2 A 2M Relevant ground for DOO 0 DO0 7 3L 24 volt supply fiir DO1 0 DO1 7 approx 2 A 3L 24 volt supply for DO1 0 DO1 7 approx 2 A 3M Relevant ground for DO1 0 DO1 7 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Installation and Setup Guidelines for the C7 2 4 Connector Assignments Overview The following interfaces and connectors are
84. and lightning strikes Observe the guidelines in Section 4 8 of the manual 10 for laying cables within buildings C7 633 C7 634 Control Systems C79000 G7076 C634 01 2 21 Installation and Setup Guidelines for the C7 2 8 Connecting Shielded Cables Overview This section describes how to connect the shield of shielded signal lines to ground The ground connection is made by directly connecting the shield with the ground terminal of the C7 633 P or C7 634 P Procedure Proceed as follows to install the grounding bar and shielding clips supplied with the C7 633 P and C7 634 P 1 Position the grounding bar as shown in Figure 2 16 and fix this in place with the screw you removed earlier 2 Attach the shielding clips to the grounding bar as shown in Figure 2 16 3 Press the insulated cable into these shielding clips in such a way as to achieve optimal contact of the cable shield Shielding clip Scale 1 1 Figure 2 16 C7 633 P with Grounding Bar and Shielding Clips C7 633 C7 634 Control Systems 2 22 C79000 G7076 C634 01 Installation and Setup Guidelines for the C7 2 9 Encoding Connectors Overview Keying Connectors A set of connectors with solid and profiled coding keys can be ordered as C7 633 P or C7 634 P accessories see Section 1 2 under Accessories The keying of connectors will be described in the following The solid coding keys and profiled coding keys see Figure 2 17 pr
85. andard configuration accesses the digital I Os of the first configured programmable controller Therefore the first programmable controller in the list should always be the C7 CPU Otherwise it is necessary to adapt the programmable controller access for the image C7 633 C7 634 Control Systems C79000 G7076 C634 01 Special Features of C7 3 4 Status and Error Indicators on the C7 CPU Status and Error The C7 has the following status and error indicators Indicators SF BATF DC5V FRCE RUN STOP SF IM SF DP BUSF pam 120000 0 Figure 3 4 Status and Error Indicators on the C7 Meaning of the The status and error indicators are explained in the order in which they are Status and Error positioned on the C7 Indicators LED Meaning Explanations SF red C7 CPU Lights up for BrOUp Error e Hardware faults e Firmware faults e Programming errors e Parameter assignment errors e Math errors e Time errors e Faulty internal memory e Battery failure or backup missing on POWER ON e T O error in the internal I O functions To determine the error fault more exactly you must use the programming device and display the diagnostic buffer BATF red Battery fault Lights up if the battery e Has too low voltage e Isdefective e Is missing DCSV green 5 VDC supply for C7 Lights up if the internal 5 VDC supply is functioning correctly FRCE yellow Force job Lights up when a force job is active
86. ange 10 0004 20 005 20 0007 27649 6C01y 0 4 000 0 0 On oe Nominal range 0 ma 6912 E5004 6913 EAFFy 10 0000 20 000 27648 9400H 10 0004 20 0007 27649 93FFy Lower range 11 7589 o 32502 81004 al o es 80RF ew C7 633 C7 634 Control Systems 7 30 C79000 G7076 C634 01 C7 Analog I O 7 6 7 Conversion and Cycle Time of the Analog Inputs Introduction Conversion Time Cycle Time Interrupt Cycle You can find the definitions and relationships between conversion time and cycle time for the analog inputs in this section The conversion time consists of the basic conversion time and an additional conversion time necessary for the input calibration The analog digital conversion and the transfer of the digitalized measured values to the C7 CPU is performed sequentially i e the analog input channels are converted one after the other The cycle time i e the elapsed time before an analog input value is converted again is the sum of all conversion times 0 5 ms channel of all activated analog input channels Unused analog input channels should be deactivated in the Configuring Hardware application in order to reduce the cycle time Figure 7 19 illustrates an overview of how the cycle time for a 4 channel analog input is composed y k Conversion time channel 1 y Conversion time channel 2 y gt Cycle time max 2 ms Conve
87. ansferred at one time e All keys except SHIFT key As long as the corresponding key is pressed the assigned bit in the keyboard image has the value 1 otherwise it has the value 0 Bit value Key pressed 0 gt t Yp e SHIFT key When the SHIFT key is first pressed the assigned bit in the keyboard image receives the value 1 This state remains even after releasing the key until the SHIFT key is pressed again Bit value 1 SHIFT key gt t pressed C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel 4 4 1 System Keyboard Image Layout Keyboard Group Bit The system keyboard image is a data area with a fixed length of two data words Every key of the system keyboard is assigned exactly one bit in the system keyboard image with the exception of the cursor keys The system keyboard image must also be specified as area pointer type system keyboard in the configuration This image can be assigned once only and in one CPU Keyboard image Bit number 15 14 13 12 1110 9 8 7 6 5 4 3 2 1 0 INS SHIFT DEL ENTER ESC ACK HELP 4st word 9 8 7 e E e N X a o 2nd word Keyboard group bit Note Unused bits may not be overwritten by the user program The keyboard group bit serves as the control bit It is set to the value 1 for
88. ansferred spontaneously to the controller That means the transfer always happens if a change is registered at the C7 OP In this case you do not need to configure a polling time The screen number area is a data area with a fixed length of 2 data words The layout of the screen number area for the C7 OP in the memory of the controller is represented below 7 O 7 0 1st word Current screen type Current screen number 2nd word Current entry number Current input field number Entry Assignment Current screen type 1 Image 2 Recipe 3 Special image Current screen recipe number 1 to 99 Current entry number 1 to 99 Current input field number 0 to8 0 Entry number All bytes of the screen number area are assigned with FFy in the message level and for the display of a contents directory For special screens the screen number area is assigned as follows 7 0 7 0 1st word 3 Special screen number 2nd word FFy Current input field number C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel 4 6 User Version Verwendung You can check whether the C7 OP is connected to the right controller on startup The C7 OP compares a value stored in the C7 CPU with the configured value This ensures that the configuration data are compatible with the C7 CPU If the values do not match the system message 653 is displayed on the C
89. asking of interrupts copying of data real time clock functions diagnostic functions error handling module parameter assignment Block nesting depth 8 for each program execution level Bracket levels 8 Execution times for e Bit operations Word operations Time counter operations Fixed point addition Floating point addition 0 3 us 0 3 ms per 1000 binary instructions l us 12 us 2 us 50 us Cycle time monitoring 150 ms preset selectable 1 to 6000 ms Bit memories e Retentive with battery e Retentive without battery e Clock memory 2048 0 to 2047 0 to 2047 selectable 8 1 memory byte freely selectable address of a memory byte clock memory that can be used in the user program Counters e Retentive with battery e Retentive without battery 64 0 to 63 0 to 63 selectable e Retentive without battery e Counting range 1 to 999 Timers are only updated in 128 OB1 e Retentive with battery 0 to 127 0 to 127 selectable e Counting range 10 ms to 9990 s Process image 0 to 127 e Digital inputs 10 0 to Q127 7 e Digital outputs Q0 0 to Q127 7 On board interface module IM 360 Expansion with 7 300 modules max 3 tier 7 300 expansion modules max 24 T O expansions e Digital inputs outputs max 768 e Analog inputs outputs max 192 Operable modules FM 8 CP point to point 4 CP LAN 2 Clock Real time clock hardware clock Run time me
90. ation CSA to standard C 22 2 No 142 lt EM gt FM Standards No 3611 3600 3810 APPROVED for use in Class I Division 2 Group A B C D indoor hazardous APPROVED p locations C7 633 C7 634 Control Systems C79000 G7076 C634 01 Technical Specifications for the C7 B 2 Notes on the CE Marking EU EMC Directive The product meets the requirements of EU Directive 89 336 EEC 89 336 EEC Electromagnetic Compatibility CE In accordance with the above mentioned EU Directive Article 10 1 the EU declarations of conformity and the relevant documentation are held at the disposal of the competent authorities at the address below Siemens Aktiengesellschaft Bereich Automatisierungs und Antriebstechnik A amp D AS E4 Postfach 1963 D 92209 Amberg Federal Republic of Germany Areas of Use The C7 633 and C7 634 control systems have been designed for use in the following areas in accordance with their CE marking Area of Use Requirements Emittedinterference Immunity A aka ada EN 50081 2 1993 EN 50082 2 1995 Renna coat EY langage te 160 EN 50082 1 1992 industry Observing the SIMATIC products meet the requirements if you observe the installation Installation guidelines described in the manual when installing and operating the Guidelines equipment C7 633 C7 634 Control Systems C79000 G7076 C634 01 B 11 Technical Specifications for the C7 B 3 Notes for Machine Manufacturers Introduction The SIMATIC programmable c
91. b Password logout control job 4 27 Period 8 19 eal duration counter universal inputs 8 2 8 4 Period time lower threshold 8 21 Period time counter 8 19 parameter 8 9 parameter assignment Period time measurement 8 19 Permanent diagnostic error 10 3 Plug and socket connectors view 2 9 Print alarm message buffer control job 4 27 Print all screens control job 4 25 Print event message buffer control job 4 27 Print recipe control job 4 25 4 29 Print screen control job 4 29 Printer 1 7 Printer cable 1 5 Printer parameters control job 4 27 2 2 Printing labeling strips PROFIBUS connecting cable 1 7 PROFIBUS bus cable 2 16 2 16 PROFIBUS bus terminal PROFIBUS DP communication PROFIBUS DP interface connector assi gnment 2 15 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Programming device 1 8 connecting for maintenance 2 19 connecting to MPI 2 17 2 18 for service purposes 2 19 in MPI network Programming device cable 2 16 MPI TTY Programming the counters example 8 23 R Range overshoot 7 22 Range undershoot Reaction to diagnostic messages 10 9 Ready bit 4 16 Recipe addressing 4 20 Recipes 4 19 overview 4 19 transferring data records 4 19 4 20 Relatively constant frequencies resolution 8 18 Remedies system message Replacing labeling strips Resolution analog ranges 7 27 Respon
92. be e Parameter error e Substitute value is connected The diagnostic area consists of e Data set 0 the standard diagnostic bytes 0 to 3 e Data set 1 the channel specific diagnostic bytes for enabled diagnostics Bytes 4 to 7 and bytes 8 to 11 channel and individual information analog input AI diagnostics Bytes 12 to 15 channel information analog output AO diagnostics C7 633 C7 634 Control Systems C79000 G7076 C634 01 VO Diagnostics Table 10 2 illustrates the structure of the diagnostic area and the meaning of the individual entries Table 10 2 Structure of the Diagnostic Area Byte Bit Meaning Explanation Value Range 00 0 Module fault 1 error occurred 0 everything OK Oll 1 Internal error 1 watchdog EPROM ADC error Oll 2 External error 1 error at AI or AO Oll 3 Channel error 1 with byte 0 bit 2 and channel specific Ol1 diagnostic byte byte 4 4 External auxiliary voltage missing Cannot be checked 0 5 Front plug missing Cannot be checked 0 6 Module not assigned parameters Normal state standard parameters set oll byte O bit 0 0 7 Incorrectparameters 1 with bit 8 9 10 11 0 or 15 0 Standard olt parameters set for channel 01 0 Module class SM type class 1 Module class SM type class 5 2 Module class SM type class 3 Module class SM type class 4 System orientedchannel specific Yes 1 diagnostic info 5 User defined diagnostic info diag No 0 i
93. bolically 22 Symbolic field only created symbolically 23 Fewer than 2 field texts configured for symbolic field 24 Current field type for symbolic field not configured 25 Illegal data format for symbolic field only KF and KY permissible 26 Recipe setpoint configured with data format KC 33 Illegal data format for setpoint field 35 Data format for cyclic interrupt too short 36 Illegal data format for actual control value 44 If specific reference to menu menu item not present 45 If specific reference to screen Entry or field number does not exist 46 Too many actual control values on screen max 200 permitted 48 Too many fields on process screen 50 Process link for soft keys does not exist 51 Soft key number too high 53 Information text for soft key not configured or not configured in all languages 55 Soft key specified in entry does not exist Event message is not configured Missing configuration for an event message Actual value field for event message has only been created symbolically Alarm message is not configured Alarm message triggered is not configured The actual value field for alarm message has only been created symbolically Internal error PLC co ordination area is not receivable during startup The driver number configured cannot be interpreted Internal error Driver number configured cannot be interpreted Missing area pointer C7 633 C7 634 Control Systems C79000 G7076
94. cation e Counter interrupt of up counter e Counter interrupt of down counter e Enable Period Duration Counter e Principle Counter range e Max period duration Frequency Counter e Principle Counter range Gate width Max frequency Can be assigned parameters 10 kHz Module standard diagnostics in conjunction with analog I O Nochannel specific diagnostics Max 3 Edge counting up 0 to 216 1 down 216 1 to 0 up 0 to 224 1 down 274 1 to 0 1 value per counter When limit value is reached When 0 is reached In the program Max 1 Counting fixed time units between two positive edges 0 to 224 1 8 395 s or 0 119 Hz Max 1 Counting of pulses within a time period 0 to 224 1 0 1 s 10 s can be set 10 kHz limited by input filter External Gate Counter Max 3 e Principle Edge counting via external pin e Counter range C1 C2 0 to 216 1 e Counter range C3 0 to 224 1 Data for Selecting a Sensor Input voltage e Nominal voltage 24 VDC e For 1 signal from 11 to 30 V e For 0 signal from 3 to5 V Input current e At 1 signal from 2 to 8 mA Input delay time e Configurable No e From 0 to 1 e From 1 to 0 Inputcharacteristic Type of input in accordance with IEC 1131 Input current e 6At 1 signal approx 0 01 ms approx 0 01 ms In accordance with IEC 1131 Part 2 Type 2 From 6 to 11 5 mA C7 633 C7 63
95. cece eee eee 7 6 5 Representation of Analog Values for the Measurement Ranges of the Analog Inputs 006 eects 7 6 6 Representation of Analog Values for the Output Range of the Analog Outputs 0 00 e ccc a a a a 7 6 7 Conversion and Cycle Time of the Analog Inputs 7 6 8 Conversion Cycle Settling and Response Times of Analog Outputs C7 633 C7 634 Control Systems C79000 G7076 C634 01 Contents 7 6 9 Behavior of the Analog O 006 ec cece eee ete 7 6 10 Time Interrupt Interrupt Cycle 0 00 0 c cece eee eee ee 7 7 Examples for Programming the Analog O 0000 eee ee eee 7 7 1 Block for Scaling Analog Input Values 00 cece cece eee 7 7 2 Block for Scaling Analog Output Values 00 00 eee eee eee 8 C7 Universal Inputs 0 000 e eee eee eee eee 8 1 Universal NPWS 4 e0i4d20s io dend eevee ioe Cie deee see Rade ieee 8 2 Use and Function of the Universal Inputs 02 0 000 8 2 1 Addressing Universal Inputs 0 00 c eee 8 2 2 Assigning Parameters to the Universal Inputs 00 8 2 3 Interrupt Inputs and Counter Interrupts 00 cece eee eee 8 2 4 GOUNTEIS t caca cede a i Redo beset wees Ah Reed neers 8 2 5 Frequency Counters 000 c cece cece ete 8 2 6 Period Time Measurement 000 e cece eect eens 8 2 7 External Gate Counter 00 00 cece eee e
96. ch could be carrying interference signals can be placed directly on the grounding potential Place all shielded lines with their shielding here With double shielded signal lines place only the outer shield on the grounding potential Install long signal lines along the cabinet walls Cabinet design in accordance with EMC guidelines is an important factor in the reduction of interference All grounding connections in the cabinet must have large cable cross sections and be laid over a large area Insulate analog devices in the switching cabinet and ground them to a single point in the cabinet using copper tape Always use equivalent metals for the materials Never use aluminum danger of oxidation C7 633 C7 634 Control Systems C79000 G7076 C634 01 Installation and Setup Guidelines for the C7 Protection Against Overvoliage Connect all doors and metal parts sides back panel and cover of the cabinet at least three times to the cabinet frame short paint free and large area connections Note If your system generates high electrostatic voltages for example textile machines special construction machines run the grounding lines of the machine parts carrying interference signals to a separate operating ground isolated from the central grounding point of the cabinet surface grounding with building construction reinforcement Observe the guidelines in Section 4 11 of the manual 10 to protect against overvoltage
97. chinery Directive SIMATIC B 12 Measured value resolution 7 28 Measurement parameter block 7 22 type of 7 22 Measurement period frequency calculation Measurement rang analog inputs Memory reset MRES Menu selection control job 4 28 Message re re Message areas 4 4 Message bit 4 4 Message level display number area 4 12 Message log on off control job 4 26 Message number Mode selector switch 3 2 MPI interface connector assignment 2 15 MPI network connecting programming device 2 17 2 18 MPI subnet communication 5 3 MRES 3 5 N Non configured S7 connections 5 3 O OB 40 7 35 OB40 8 12 OP operation a 4 16 OP startup 4 16 Operating mode selectin a 13 4 Operator panel OP 1 7 Output range addresses 8 8 parameter block 7 25 universal inputs Output ranges analog output 7 117 30 Overflow warning on off control job 4 28 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Index P Parameter analog function 7 21 analog input 7 22 analog output 7 25 Parameter assignment universal inputs 8 9 Parameter assignment error 7 22 7 25 Parameter block basic setting count inputs diagnostics interrupt cycle measurement output range substitute value 7 25 Parameter characteristics analog inputs 7 24 analog output 7 26 Parameter tools universal inputs 8 9 Partial screen updating control jo
98. cifications for the C7 e Conducted interference on 2kV_ to IEC 1000 4 4 burst voltage supply lines 1kV_ to IEC 1000 4 5 us pulse line to line 2kV_ to IEC 1000 4 5 us pulse line to ground with protection element lightning conductor KT Type 24 VAD from Dehn firm e Immunity to interference on 2kV at IEC 1000 4 4 burst signal lines e Immunity to discharge 6kV contact discharge to IEC 1000 4 2 ESD 8 kV air discharge to IEC 1000 4 2 ESD e Immunity to high 10V with 80 amplitude modulation with 1KHz frequency radiation 10KHz to 80MHz to IEC 1000 4 6 10V m with 80 amplitude modulation with 1KHz 80KHz to 80MHz to IEC 1000 4 3 10V m _ pulse modulated 50 ED with 900MHz to EN 50140 Mechanical loading e Vibration tested to IEC 68 2 6 Tested with 10 to 58 Hz amplitude 0 075 mm 58 to 500 Hz acceleration 9 8 m s Storage transport 5 to 9 Hz amplitude 3 5 mm 9 to 500 Hz acceleration 9 8 m s2 e Shock tested to IEC 68 2 29 Tested with semi sinusoidal 100 m s2 10 g 16 ms 100 shocks Storage transport semi sinusoidal 250 m s 25 g 6 ms 1000 shocks Backup battery Backup time approx year Communication functions e PG OP communication yes e Global data yes communication e Basic communication yes e Expanded communication yes Server e 5 compatible yes communication e Standard communication yes Number of connections static dynamic 4 8 Multipoint in
99. ck for Scaling Analog Output Values 7 39 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O 7 1 Analog Technology Introduction Analog I O Ungrounded Configuration 7 2 There are different analog inputs and outputs available to you in the C7 for connecting sensors and or loads actuators This section covers the following A description of analog value representation the measuring types measuring ranges and output ranges in the C7 A description of how to connect the sensors or loads actuators to the analog I O The principles of using analog I Os Behavior of the analog I O The C7 cannot be installed in an ungrounded configuration C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O 7 2 Connecting Transducers to Analog Inputs Overview Cables for Analog Signals Isolated Analog Input Connecting Transducers to Analog Inputs You can connect various types of transducers to the analog inputs e Voltage transducers e Current transducers This section tells you how to connect up your transducers and what precautions you have to take when doing so To reduce electrical interference you should use twisted pair shielded cables for the analog signals The shield of the analog signal cables should be grounded at both cable ends If there are potential differences between the cable ends an equipotential bonding current can flow over the shield This can interfere w
100. configure a PROFIBUS DP network via the PROFIBUS DP interface only for C7 633 DP or C7 634 DP You will find the procedures for configuring an MPI network and PROFIBUS DP network in the manual 10 C7 633 C7 634 Control Systems 2 26 C79000 G7076 C634 01 Special Features of C7 Chapter Overview C7 633 C7 634 Control Systems C79000 G7076 C634 01 Section Description Page 3 1 Variations from the Individual Components CPU and OP 3 2 3 2 Selecting a C7 CPU Operating Mode 3 4 3 3 DI DO Status Displays 3 6 3 4 Status and Error Indicators on the C7 CPU 3 7 3 1 Special Features of C7 3 1 Variations from the Individual Components CPU and OP Keyboard The arrangement and color of the keys on the C7 633 and C7 634 corresponds mainly to those of the OP 7 and OP 17 operator panels see the OP7 OP17 Control Panels manual Extended OP function keys on the C7 633 The C7 633 and the OP 7 differ in their number of function keys C7 633 F1 to F4 and K1 to K16 OP 7 F1 to F4 and K1 to K4 Selecting a CPU A CPU is set to the modes MRES STOP RUN and RUN P using a Operating Mode mechanical keyswitch On both C7 devices this keyswitch is emulated as an Using Keys f AS electronic keyswitch by means of the keys C7 CPU Function keys Softkeys CPU operating mode status LEDs selection keys SIEMENS SIMATIC C7 633 K10 K11 K12 E E System key Numeric keys System keys LEDs Figure 3
101. counter value C3 MW25 counter image C3 C3 direct monitoring only possible with a counter status between 0 and 65535 otherwise only indirect monitoring possible in Monitoring and Modifying Variables MB40 number of interrupts triggered by C1 MB41 number of interrupts triggered by C2 MB42 number of interrupts triggered by C3 PIB287 status of counters The OB100 complete restart block contains the following statements ORGANIZATION_BLOCK OB100 var_temp start_info array 0 19 of byte end_var BEGIN Resetting the counters T PQB287 C1 C2 C3 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Universal Inputs OB1 Statement Sequence CALL SFC 47 wait so that STOP becomes effective WT 10000 10000 s 10ms Setting comparison values L 10 set comparison value C1 T PQW280 L 20 set comparison value C2 T PQW282 L 40 set comparison value C3 T PQW285 Declaring comparison values valid and starting counter L 3F declare comparison value valid and start T PQB287 1 C1 C2 C3 END_ORGANIZATION_BLOCK OB1 contains the following statements ORGANIZATION_BLOCK OB1 var_temp start_info array 0 19 of byte status BYTE end_var BEGIN Check whether all counters are active L PIB287 scanning status bits T status A L20 4 C1 signalled active A L20 5 C2 signalled active A L20 6 C3 signalled active JC run BEU Waiting time
102. cs Diagnostic Buffer Diagnostic Event Communications processors are intelligent programmable modules with their own processor They form an important group within the components of a programmable controller A distinction can be made between various types of communications processors according to their tasks For example CPs for messages and logging for point to point connection for operator interfacing COROS for bus connections SINEC for diagnostics and mass storage applications When a CPU starts up for example when the mode selector is moved from STOP to RUN or when power is turned on before cyclic program processing starts OB1 either the organization block OB101 restart only in the S7 400 or OB100 complete restart is processed first In a complete restart the process image input table is read in and the STEP 7 user program processed starting with the first statement in OB1 The configuration memory is a flash memory integrated in the C7 OP It is used for storing the configuration data Configuring is the selection and putting together of the individual components of a programmable logic controller PLC and the installation of the required software for example the operating system on an M7 automation computer and adapting it to the specific task such as assigning parameters to the modules Communications processor A cyclic interrupt is generated periodically by the CPU according to a time interval w
103. cs Interrupt Nominal range Process value Upper range lower Process value range Overflow underflow 7FFFy Message Diagnostic interrupt According to parameter assignment C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 33 C7 Analog I O Influence of the Value Range for the Output Influence of Errors 7 34 The behavior of the analog output is dependent upon the position of the output values within the value range Table 7 14 illustrates this dependency for the analog output values Table 7 14 Behavior of the Analog Input in Relation to the Position of the Analog Input Value in the Value Range Output Value lies Output Diagnostics Interrupt in Value Nominal range C7 value Upper range lower C7 value range Overflow underflow 0 signal Errors lead to a diagnostic message and diagnostic interrupt if diagnostic parameters have been assigned see Section 10 2 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O 7 6 10 Time Interrupt Interrupt Cycle Interrupt Cycle Configurable Events Hardware Interrupt OB Declaration Section of OB40 Additional Information Z1 Additional Information Z2 Additional Information Z3 Evaluation in the User Program If the interrupt cycle mode is assigned parameters the new measuring cycle is not started unless the time interrupt is initiated see Secti
104. d Counter Interrupts 8 2 4 Counters 8 2 5 Frequency Counters 8 2 6 Period Time Measurement 8 2 7 External Gate Counter 8 3 Example for Programming the Counters C7 633 C7 634 Control Systems C79000 G7076 C634 01 ac OT EN ge oO N SHIP II 1 Sla Bi it wv N te W C7 Universal Inputs 8 1 Universal Inputs Overview 8 2 The C7 has 4 digital universal inputs that provide the following functionality Interrupt input Counter input Frequency period duration counter input Digital input External gate counter input These input functions can be set by assigning them parameters this determines how the inputs are used C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Universal Inputs Terminal Figure 8 1 shows the pin assignments of the universal inputs Connection Diagram View of right hand side of C7 Q 0 0 G 0 10 F 0 2 B 0 3 2 0 4 e o 0 50 j 0 6 a 0 708 G 1 0 F 1 1 2 1 2 p6 1 3 e o Parts shaded in this way 1 4 lo o are not relevant for the 1 5 lo o explanation 1 6 Je 1 7 e o F Pin No o Universal inputs M DI X1 o Address 287 0 DI X2 o Address 287 1 DI X3 o Address 287 2 DI X4 e Address 287 3 GATE 1 i GATE 2 o Dito control ext gate counter 1 GATE 3 o DIto control ext gate counter 2 DIto
105. d memory can be defined as a directory on the hard disk A memory card is a memory submodule in credit card format and in the form of RAM or FEPROM for programmable modules and CPUs which can store the user program and parameters The memory reset function deletes the following memories in the CPU e Work memory e Read write area of the load memory e System memory In S7 M7 C7 the MPI parameters and the diagnostic buffer are retained In M7 the operating system is also rebooted if the M7 was reset via the mode selector In SIMATIC HMI devices all buffers are cleared The MPI address is reset to the default value X Memory card Multipoint interface A network is the connection of a number of C7 and or S7 300 and other devices such as a programming device via a connecting cable Data are exchanged between the connected devices over the network The multipoint interface MPI is the programming device interface in SIMATIC S7 It allows a number of programmable modules text display operator panels and operator panels OPs to be accessed from a CPU The nodes on the MPI can communicate with each other C7 633 C7 634 Control Systems C79000 G7076 C634 01 Glossary N Node Number Non lsolated O Operating System Parameter Parameter Dynamic Parameter Static PG PLC The node number represents the access address of a CPU or a programming device or other intelligent I O module when it comm
106. due to overload Logging not possible Print buffer overflow due to overload Printout of overflow messages not possible Warning the event message buffer is full apart from the specified remaining buffer space The event message buffer has overflowed Warning the interrupt message buffer is full apart from the specified remaining buffer space The interrupt message buffer has overflowed No keyboard connected internal keyboard with ribbon cable The minimum value is greater than the maximum value for variable limits The minimum value is equal to the maximum value for variablescales C7 633 C7 634 Control Systems C79000 G7076 C634 01 Remedy Set up relevant memory area Replace battery Note Replace the battery while the unit is switched on in order to prevent loss of data Send unit for repair Send unit for repair Send unit for repair Send unit for repair Make sure printer is ready or disable message logging Make sure printer is ready Check printer cable and connectors Press restart button Restart C7 Try changing of operating mode again later Check PLC program and configured screen Check configuration of actual specified values in the process link Send unit for repair Messages have been lost Messages have been lost Clear the buffer or configure a smaller size for the remaining buffer space If a printer is connected and buffer overflow has been configured
107. dware interrupt as cycle end interrupt A measuring cycle with a configurable cycle time and generation of a hardware interrupt as a cycle end interrupt C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 23 C7 Analog I O Parameter Characteristics of Analog Inputs 7 24 Hardware interrupt Hardware interrupt Hardware interrupt to the C7 CPU to the C7 CPU to the C7 CPU A D conversion of the channels A D conversion of the channels Al4 Alt Al2 Al3 Al4 Alt Al2 Al3 Al4 Measuring cycle of all activated channels p Cycle time e g 4 ms l Cycle time e g 4 ms t a Figure 7 18 Sequence of the Measurement with Four Analog Input Channels with Generation of Hardware Interrupts as Cycle End Interrupts A hardware interrupt from the I Os triggers the start of OB40 hardware interrupt OB on the C7 CPU In this case the process variable OB40_POINT_ADDR supplies the value DW 16 10000000 Table 7 4 shows which parameters e Are static or dynamic e Can be set for all or individual analog inputs Table 7 4 Parameter Characteristics of Analog Inputs Parameter Static Dynamic Effective Range Enable diagnostic interrupt Static Analog inputs Analog outputs Universal inputs Enable diagnostics Static Channel Wire break test Static Channel Type of measurement Dynamic Channel Measurementrange Dynamic Channel Interrupt cycle Dynamic Analog inputs C7 633 C7 634 Cont
108. e C7 oP 1 4 Glossary 2 C7 simulator module Cabinet installation 2 5 Index 1 Index Cable for analog signals 7 3 7 7 Cables 2 201 Category system message Causes system message A 2 CE marking Change language control job 4 26 Channel specific diagnostic byte 10 6 Communication MPI subnet PROFIBUS DP Communication functions Communication SFCs non configured S7 connections 5 3 Communications processors CP 1 6 Configurable events Configuration error 7 22 Configuration memory Glossary 3 Connecting cable PROFIBUS Connecting cable 368 2 25 Connectors view 2 13 Control and checkback bits 4 15 Control job 4 24 change language cursor positioning 4 30 data record to CPU 4 29 data record to OP 4 29 delete alarm message buffer 4 28 delete event message buffer 4 28 display mode for alarm messages fetch acknowledgement area 4 28 fetch alarm message bit area fetch event message bit area 4 28 hardcopy 4 25 interface parameters 4 26 keyboard simulation menu selection 4 28 message log on off 4 26 overflow warning on off 4 28 SEN rier partial screen updatin g 4 29 password logout print alarm message buffer 4 27 print all ee re print event message buffer 4 27 print recipe 4 25 4 29 Index 2 print screen 4 29 printer parameters 4 27 screen selection 4 29 select contents select recipe
109. e absolute value to be output 4 Finally the lower limit LL is added to this value as the offset 5 The resulting bit pattern is output PERCENT setpoint lower limit upper limit lower limit RANGE_DEC upper limit lower limit RANGE_HEX UL LL Channel PERCENT RANGE_HEX LL The FC127 function contains the following statement lines FUNCTION FC 127 void var_input lower limit DWORD upper limit DWORD setpoint DWORD end_var var_temp LL DWORD UL DWORD RANGE_DEC DWORD RANGE_HEX DWORD PERCENT DWORD end_var C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 39 C7 Analog I O 7 40 BEGIN Case unipolar or bipolar measuring range L lower limit lower limit negative L 0 0 yes gt bipolar measuring range lt R JC bipo L DW 16 0000_0000 funipolar range lower limit TLL JU comp bipo NOP 0 L W 16 9400 bipolar range lower limit ITD TLL Calculating the range hexadecimal comp NOP 0 L W 16 6C00 upper limit for unipolar and bipolar range identical ITD LLL D T RANGE_HEX buffer difference Relating setpoint to total measuring range L upper limit compute range L lower limit R T RANGE_DEC L setpoint relate setpoint to total range L lower limit R L RANGE_DEC R T PERCENT Computing hex pattern to be output L RANGE_HEX relate hex value to total
110. e cece eee 4 10 1 Example of How to Activate a Control Job 0 00 cece eee Communication Functions 000 cee e eee eee eee eee 5 1 Introduction 3 css e taka or ea eee sahd oes Seen ae weeded onaees 5 2 Communication between C7 S7 Stations MPI Subnet 5 3 Communication within a C7 Station PROFIBUS DP or IM C7 Digital VO wee eee eis eee dae Fie eee Seco bee EE ee eeete eee ees 6 1 Digital INPUtS sccs0ccewd beads ces qian aa i a ES 6 2 Digital Outputs o sce nkyskerdaviwere See So7s aves Sie a aE 6 3 DI DO Status Displays 0 00 cece eee 6 4 Addressing the C7 VO 1 ect eee eens G7 A alog VO Maer oregano Een ee a E 7 1 Analog Technology ccc cece eiia oi eiiiai eiie i i 7 2 Connecting Transducers to Analog Inputs 002 e eee 7 2 1 Connecting Voltage and Current Transducers 2 2 000 7 3 Connecting Loads Actuators to the Analog Output 7 4 Analog Input Function 0000 cece eee 7 4 1 Characteristics and Technical Specifications of the Analog Input Module 7 5 Analog Output Function 0 00 c cee 7 6 Use and Function of the C7 Analog I O 00 cece eee eee 7 6 1 Addressing the Analog I O 0 600 cece ete 7 6 2 Timing of the Analog I Os 0 000 c cece eee eee 7 6 3 Assigning Parameters to the Analog I O 0 0 cece eee 7 6 4 Representation of Analog Values 0 c
111. e g when specifying parameters for printer interface You have set graphics printing on the C7 but the corresponding ESC sequence has not been configured You have entered an incorrect value e g a variable with a user function that blocks certain input values You have entered a value that is too great or too small for the variable type concerned e g a value greater than 32767 for a variable of the type Integer You are attempting to enter an illegal character e g letter in a numerical value The input is rejected and the existing entry retained Cyclic interrupt counter date or time data can not be sent Free ASCII protocol operator input value could not be sent The data record can not be sent as the recipe disable bit on the PLC is set or because transfer of a recipe is still in progress Overload too many message blocks with the same block number in transit Transfer of the data record was not acknowledged by the PLC within a certain period Firmware version is different from standard FB version Data record not present Remedy Correct the block length block number as necessary or send the correct data block Enter a value that is greater than or equal to the limit Enter a value that is less than or equal to the limit Enter time correctly Enter valid value for interface parameters The following values are valid Transmission rate 300 600 1200 2400 4800 9600 19200 bps
112. e number C7 system messages can be subdivided into various categories The information as to which category a system message belongs to is contained in the message number as indicated below Message number d Message text ji 0 Driver error 1 Startup message 2 Warning 3 Informationmessage 4 Operator error 5 Othermessage 6 Configurationerror 7 Internalerror The message category enables you to identify the general area in which the cause of the fault is to be found Below you will find a selection of system messages listed together with details of under what circumstances they occur and where applicable how the cause of the fault can be eliminated Self explanatory system messages are not included Note System messages are displayed in the language selected in the configuration If the C7 does not have access to any configuration data the messages are displayed in English C7 633 C7 634 Control Systems C79000 G7076 C634 01 A 1 System Messages Procedure for Internal Errors Message Please wait Ready for transfer Datatransfer Firmware not compatible EPROM memory failure RAM memory failure Flash memory failure A 2 In the case of all system messages that relate to internal errors please follow the procedure outlined below a Switch off the C7 and then restart it again b During startup set the C7 to download mode retransfer t
113. e values of the digital I O are read in and displayed every 400 ms Any changes which occur between these times are not displayed The DI DO image of the standard configuration accesses the digital I Os of the first configured programmable controller Therefore the first programmable controller in the list should always be the C7 CPU Otherwise it is necessary to adapt the programmable controller access for the image C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Digital I O 6 4 Addressing the C7 I O Overview The following section describes the addressing of the digital I O You require this information to be able to address the channels for the digital inputs and outputs in the user program Figure 6 4 shows the diagram for addressing the individual channels of the digital I O Bottom view of C7 O Digital inputs 0 0 P Address 0 0 Byte address 0 1 Address 0 1 Digital I O 0 2 if Start address 0 3 Byte 0 0 4 f o 0 5 Hi 0 6 0 7 o Address 0 7 1 0 o Address 1 0 1 1 o Address 1 1 1 2 fe o 13 o 5 Byte address 14 E i __ Digital I O Start address 15 i Byte 1 1 6 1 7 e o Address 1 7 P L Bit address i Digital outputs M s DI X1 f _ Address 287 0 Byte address DI X2 o Address 287 1 Digital I O DI X3 Address 287 2 Start addre
114. each transfer of the keyboard image from the C7 OP to the C7 CPU After evaluation of the data area by the user program it should be reset You can determine whether a block has been transferred again by regularly reading the group bits with the user program C7 633 C7 634 Control Systems 4 9 C79000 G7076 C634 01 Communication between the CPU and the Operator Panel 4 4 2 Function Keyboard Image Data Areas The image of the function keyboard can be categorized into separate data areas e Maximum number of data areas 4 e Total length of all data areas words 4 Key Assignment The assignment of the individual keys to the data area bits is defined when the function keys are configured The number within the image area is declared for every key The function keyboard image must also be specified in the configuration under area pointer type function keyboard Keyboard Group The most significant bit in the last data word of every data area is the Bit keyboard group bit It serves as a control bit This bit is set to 1 for every transfer of the keyboard image After evaluation of the data area by the user program the keyboard group bit should be reset You can determine whether a block has been transferred again by regularly reading the group bits with the user program C7 633 C7 634 Control Systems 4 10 C79000 G7076 C634 01 Communication between the CPU and the Operator Panel 4 4 3 LED Image Data Areas
115. ed via the integrated DP interface to a PROFIBUS DP network With the C7 devices you can e Download user programs to the C7 CPU and run them e Communicate with other nodes in an MPI or PROFIBUS DP network via an integrated MPI or DP interface e Process digital and analog signals using the C7 s integral I O e Use interrupt inputs or counters for purposes including frequency metering period duration measurement e Load and execute operator interface configurations you created with the configuration tools ProTool or ProTool Lite e Using these configurations you can monitor and influence the process which you control with the user program e Connect other S7 modules via the IM 361 interface module e Output data to a connected printer The C7 contains two units that work independently of each other and communicate via an internal multipoint interface e C7 CPU controls e C7 Operator Panel operates and monitors The C7 CPU is independent of the C7 OP The C7 OP continues to run for example when the C7 CPU goes into STOP Note The C7 CPU and the C7 OP each have an MPI address You therefore configure these components exactly the same as the stand alone components CPU and OP These components are discussed explicitly in the manual as necessary C7 633 C7 634 Control Systems C79000 G7076 C634 01 Product Overview 1 2 Scope of Supply and Accessories for C7 Parts Supplied The following co
116. ediately restarted after the measurement period has elapsed so that an updated frequency counter value is always available The measurement period is 1 s During a measurement period 6500 rising edges of the signal to be measured are counted The counter value 6500 is made available to the user program 6500 6500 Hz ls Frequency After starting up the C7 OB1 is processed and the universal input frequency counter is automatically started The first valid frequency is calculated after the first measurement period Before the end of the first measurement period the frequency counter value FFFFFFy is available in the C7 CPU Start up OB100 Cycle OB1 Cycle OB1 Cycle OB1 T Preallocated _ 1 _ Valid frequency Time lt aba a gt oni gt Start of End of 1st measurement period 1st measurement period Last frequency before STOP mode or FFFFFFy if POWER ON Figure 8 4 Frequency During First Measurement Period C7 633 C7 634 Control Systems C79000 G7076 C634 01 8 17 C7 Universal Inputs Exceeding the Threshold Frequency N Resolution of Measurement Disadvantage of Long Measurement Periods Disadvantage of a Short Frequency 8 18 The universal input frequency meter is designed for a maximum frequency of 10 kHz A frequency filter is fitted to the input Warning If the actual frequency exceeds the threshold frequency of 10 kH
117. ee eens 8 3 Example for Programming the Counters 000eeeeeeee eee 9 Data Set Description I O Parameter Assignment 2 00005 9 1 Data Set Description for Parameter Block of C7 Analog I O and Universal INDUS ctctot a ree rad ranae ETA A ee wed 9 2 10 VO DIagGnOStics 2i dece ie sada e eee ee oe en ea dee 10 1 Diagnostic Messages 0 2 cee eens 10 2 10 2 Diagnostic Data of the C7 Analog I O and Universal Inputs 10 4 10 3 Dependencies and Reactions of the Diagnostic Evaluation 10 8 11 MAaIMONANC6 eeta c2 eset eaaa aa aaa a a aaa aE Ea aaa aaia aa teed due 11 1 11 1 Changing the Backup Battery 0 0 0 c cece eee eee 11 2 11 2 Replacing the G7 scicciraetedareserrSdiadaveteeadevcdieseurieees 11 4 A System Messages 2 icc ccc cneteee eee ieee eee eee eee ee B Technical Specifications for the C7 00ccceeceeeeeeeeuceeeueeeees B 1 Technical Specifications 60 cee eee B 2 B 2 Notes on the CE Marking 0 0c cece teen eee teens B 11 B 3 Notes for Machine Manufacturers 0 0 00ccc cece eeeeeeeees B 4 Transport and Storage Conditions for Backup Batteries B 13 c Guidelines for Handling Electrostatically Sensitive Devices ESD C 1 GA What is ESD nnna nunnu oneenbuaiandiiacneanneaseedeadane C 2 Electrostatic Charging of Objects and Persons 000 C 3 C 3 General Protective Measures against Elect
118. eenae eee eENe EE 1 Product Overview wucecctetedentiedueadcheiedes sed tecetweeiadeskdesesans 1 1 1 1 Product VariantS 00 c cece cette eee eens 1 2 1 2 Scope of Supply and Accessories for C7 02 ccc eee eee eee 1 5 1 3 Components for Connection to a C7 1k ee eee 1 6 2 Installation and Setup Guidelines for the C7 00cccecseeeeeeeeees 2 1 2 1 Labeling Stips se seini fea weit deste eda desk seri d tesa deck enea des 2 2 2 2 Mechanical Installation 0 0 ccc cece eee eee 2 5 2 3 Electrical Installation 0 0 cece eens 2 9 2 4 Connector Assignments 0 0000 cece eee eee eee 2 13 2 5 Connecting a Programming Device PC to aC7 6 cee eee eee 2 17 2 6 Connecting a Programming Device PC to Several Nodes 2 18 2 7 Setup Guidelines for Interference Free Installation 2 20 2 8 Connecting Shielded Cables 0 0c c cece cece eee eens 2 22 2 9 Encoding Connectors 0000 c sin iiia n aen eens 2 23 2 10 Expanding the C7 with S7 300 Modules 000e eeeeeeee 2 24 2 11 Configuring an MPI and PROFIBUS DP Network 2 26 3 Special Features of C7 saat wcnsicinaiiwsc kw wise wane Manned 3 1 3 1 Variations from the Individual Components CPU and OP 3 2 3 2 Selecting a C7 CPU Operating Mode 00 cece eee eens 3 4 3 3 DI DO Status Displays 000s cece eee ee 3 6 3 4 Status and Err
119. efly it then remains lit Note If data were deleted during the memory reset which were required by the C7 OP configuration the C7 OP reports this using an error message C7 633 C7 634 Control Systems C79000 G7076 C634 01 3 5 Special Features of C7 3 3 DI DO Status Displays Configuring the DI DO Status Display C7 CPU Access 3 6 The DI DO status display is not a system function but a configured image of the C7 OP You can create the DI DO status display image yourself or copy it from the standard configuration supplied with ProTool image name Z_DI_DO The values represented are read as a direct process image of the digital inputs and an internal process image of the digital outputs of the digital C7 I O and displayed in binary format BIN Note that the last state set by the program is displayed although the real process state of the digital outputs is 0 when the C7 CPU is in STOP mode The following data are supplied DI 11101110 10101010 DO 11101110 10101010 0 a 0 a Figure 3 3 DI DO Status Display on a C7 633 P Table 3 1 Explanation of the DI DO Display in Figure 3 3 Position Explanation Signal status of the DI DO e 1 DI DO set e 0 DI DO reset Pin no from to Note The values of the digital I O are read in and displayed every 400 ms Any changes which occur between these times are not displayed The DI DO image of the st
120. equisite Data Areas 4 8 3 Synchronization during Transfer Normal Case 4 8 4 Synchronization during Transfer Special Cases 4 22 4 9 Notes on Optimization 4 23 4 10 Data Exchange via the Interface Area 4 24 4 10 1 Example of How to Activate a Control Job 4 31 C7 633 C7 634 Control Systems C79000 G7076 C634 01 a a Communication between the CPU and the Operator Panel 4 1 Configured Communications Parameters Parameters Configuration Tool In the configuration software the following parameters are to be set for communication via the MPI Note The following parameters are already assigned generally applicable default values and need not be modified unless the C7 is used in connection with any other S7 C7 or OP units in a network Parameter CPU type Explanation CPU in programmable controller The S7 300 is to be set for the C7 CPU If further CPUs are connected they must be set with S7 300 or S7 400 CPU address MPI address of the C7 CPU in the network configuration The default address is 2 The address can be freely assigned It must be unique in a network Slot rack Here you must set the slot and rack For the C7 CPU the setting is Slot 2 Rack 0 C7 OP address MPI address of the C7 OP in the network configuration The address can be freely assigned It must be unique in the network configuration The default value is address 1 Interface H
121. er error when receiving 11 Logging error Storage medium not ready contains errors or status undefinable Storage medium not initialized Error accessing module Flash may not be supported or initialized by incorrect C7 Internal Flash memory initialized configuration data deleted some recipe data preserved Inserted submodule initialized all stored data deleted Size of selected recipe memory has been reduced Driver error If FAP is set the character delay time setting may be too short Fault in connection to PLC Possible causes Fault on the transmission link e g connecting cable defective Incorrect interface parameters set on C7 or on communication partner C7 633 C7 634 Control Systems C79000 G7076 C634 01 Remedy Repeat data transfer after first checking the physical connection if necessary Reset hardware remove then refit Flash memory module or carry out hardware test Switch to download mode Check whether module is properly inserted and compatible If restoring repeat backup with correct C7 Retransferconfiguration Retransferconfiguration The reduced size recipe memory can not be used and all data records must be deleted The recipe memory is only initialized when requested Check physical connection to PLC Alter character delay time A 3 System Messages Message 043 044 045 100 101 103 104 105 107 108 109 110 113 114 115
122. er not present The line to be output is larger than the amount of print memory reserved for it or the number of control sequences is too great Internal error Incorrect data format in process link Internal error Incorrect word length in process link Configuration error in actual control value bit number gt 15 Error presetting setpoint error in data structures C7 633 C7 634 Control Systems C79000 G7076 C634 01 Remedy Check configuration Too many messages are pending CPIno defective CPI submodule Error 1 Voltage too low 2 Current too high 3 Temperature too high 4 Module not present failed during operation Check configuration Frequently occurs with NC variables and when multiplexing CPU operating system out of date If 0 is entered the data record will be overwritten with the new values Correct the remaining buffer space and retransferconfiguration Configure message Change configuration and retransfer If the fault is not corrected by performing a restart please contact the SIMATIC Hotline Create data block of required length on the PLC Configure log fully Check configuration as regards logging Correct the data format Correct the word length Bit number for actual control variable must be lt 15 Change configuration and retransfer A 13 System Messages Message 620 621 622 623 624 625 626 627 628 62
123. ere you determine which interface of the OP the C7 CPU is connected to Transmission rate The data transfer rate between the C7 OP and the C7 CPU can be set between 19 2 Kbps and 1 5 Mbps All settings can be made with ProTool and ProTool Lite under the menu command System PLC C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel 4 2 Overview of User Data Areas User Data Areas Functionality C7 633 C7 634 Control Systems C79000 G7076 C634 01 User data areas are used to exchange data between the C7 CPU and the C7 OP It is by means of these data areas that the C7 CPU and the C7 OP communicate The communication process consists of the C7 OP and the user program alternately writing and reading information into and out of the data areas Upon evaluation of the data the C7 CPU and the C7 OP are triggered into the various actions The user data areas can reside in any required memory area in the C7 CPU The following user data areas are possible Event messages Alarm messages Control jobs Recipes System keyboard image Function keyboard image LED image Cyclic intervals C7 634 only Date and time Screen number area User version 4 3 Communication between the CPU and the Operator Panel 4 3 Event and Alarm Messages Message Triggering Message Areas Message Bit and Message Number Assignment Messages are triggered by
124. ernal error The following are permissible Read Write Ilegal RIO function LEDs outputs and Initialize Internal error Keyboard driver error Internal error Too many keyboard image areas mailboxes being transferred to PLC Internal error Mailbox type of received message is incorrect Internal error Key acknowledgement received when message already acknowledged Internal error Message status not permitted for first alarm event message Internal error Buffer type different from event or alarm message buffer Internal error Message type different from event or alarm message buffer Internal error Configuration message error C7 633 C7 634 Control Systems C79000 G7076 C634 01 A 19 System Messages Message 744 746 147 748 749 750 751 752 753 754 759 760 761 762 763 764 765 A 20 Cause Remedy Internal error Incorrect mailbox type received Internal error In COM TEXT change address Actual control value and process link are identical on a screen Internal error Buffer type different from event or alarm message buffer Internal error Message type different from event or alarm message buffer Internal error Error in data structure of a buffer function screen Internal error Error in data structure of the password function screen Internal error Error in data structure of screen for setting time Internal error Error in data structure
125. ers Storing backup battery 11 3 Substitute value parameter block 7 25 System keyboard image System messages list of A 1 Index 6 T Template labeling strips 2 2 Temporary diagnostic error 10 3 Threshold frequency coun 4 exceeding 8 14 8 18 Time 4 15 Time interrupt 7 35 Transducer isolated 7 4 non isolated Transfer data records 4 20 4 21 Transfer date time control job 4 28 Type of en T U UL B 10 Universal input addresses 8 6 Universal inputs assigning parameters 8 4 counter 8 14 parameter assignment 8 9 pin assignments 8 4 technical specifications Update time 4 23 Upper threshold period time 8 21 User data area optimization 4 23 User data areas functionality User version 4 13 V Variations keyboard Voltage measurement Voltage measurement range analog input analog output Voltage transducer 7 3 connection Ww Wire break 7 22 Wire break check analog input module SM 331 AI8 7 10 C7 633 C7 634 Control Systems C79000 G7076 C634 01 a Pa IS ea a eta sao ee ea aI ie Se ie eee eee ee ie eS ee ee eee esi eee Se ee ee See ees Siemens AG A amp D AS E 81 Oestliche Rheinbrueckenstr 50 D 76181 Karlsruhe Federal Republic of Germany From Your Name Your Title Company Name Street City Zip Code Country Phone Please check any industry that applies to
126. ers in the user program with SFCs 55 to 57 see Reference Manual 235 We subdivide the parameters for the two configuration alternatives into e Static parameters and e Dynamic parameters The following table explains when the static and dynamic parameters are adopted Table 7 2 Time of Transfer of the Parameters from the C7 CPU to the Analog I O Parameter Set with Time of Parameter Transfer Static Configuring Hardware STOP gt RUN Dynamic Configuring Hardware STOP gt RUN SFCs 55 to 57 RUN The following parameter blocks permit the assignment of parameters in Configuring Hardware to define the following characteristics of the analog TO e For inputs Basic settings Diagnostics Measurement Interrupt cycle e For outputs Basic settings Diagnostics Substitute values Output range C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 21 C7 Analog I O Analog Input Parameters 7 22 Table 7 3 provides an overview of the analog input parameters Table 7 3 Analog Input Parameters Parameter Analog Inputs Value Range Preset Value Basic settings e Enable diagnostic interrupt Yes No No Diagnostics e Enable Yes No No Configuration parameter assignment error Wire break only 4 to 20 mA Range undershoot Range overshoot Yes No No e Wire break test only for measurement range 4 to 20 mA Measurement e Type
127. etailed information regarding the type and possible cause of the error This information can be called up by the user program by means of special system calls The requirement is that diagnostics have been enabled default setting is always no in this case You can set whether the analog I O diagnostic messages should be generated using STEP 7 Using the STEP 7 application Configuring Hardware you can also assign parameters to the diagnostic behavior of the analog I O i e you set whether the analog I O diagnostic messages should be sent to the C7 CPU on request Furthermore you can assign parameters to define whether the module should trigger a diagnostic interrupt in the C7 CPU after the occurrence of an error C7 633 C7 634 Control Systems C79000 G7076 C634 01 VO Diagnostics Diagnostic In the diagnostic information we differentiate between permanent and Information I O temporary diagnostic errors e Permanent diagnostic errors cannot be influenced by the user program and can only be removed by resetting the C7 CPU memory reset and complete restart or equipment exchange after a fault e Temporary diagnostic errors disappear automatically after a renewed measurement ADC error overrange or underrange error can be removed by the user program if necessary by assigning parameters via SFC55 during operation or by hand at the connections correcting the wiring Read Diagnostic Diagnostic messages will be entered
128. event a connector from being confused with another without polarity reversal Proceed as follows 1 Insert the solid coding key into the notches provided on the connector part 2 Insert the profiled coding key into the respective cutouts on the housing part 8 Solid and profiled coding keys that face each other prevent the connector from being plugged in The connector can be plugged in if solid and profiled coding keys do not face each other Figure 2 17 The Coding Ensures that the Correct Connector is Inserted C7 633 C7 634 Control Systems C79000 G7076 C634 01 2 23 Installation and Setup Guidelines for the C7 2 10 Expanding the C7 with S7 300 Modules IM 360 Interface Module Connecting Additional Modules 2 24 The C7 has an integrated IM 360 interface module for I O expansion with an external S7 standard I O This interface module has the following characteristics Data transmission from the IM 360 to the IM 361 of the first rack expansion via a 368 connecting cable Maximum distance between IM 360 and IM 361 is 10 m You can expand your C7 by up to three racks using the integrated IM 360 interface module You can connect the additional modules as follows 1 Install the modules as described for racks 1 to 3 in the manual 10 2 Connect the C7 to the IM 361 via a standard IM cable see also Figure 2 12 for connecting the C7 When the C7 is first started up it detects an
129. f data records completed Data record required is not on data medium Information message transfer of data records from C7 to data medium or vice versa has been initiated Information message transfer of data records from C7 to PLC or vice versa has been initiated Data record not found Activating selected function De activating selected function No Help text configured Illegal key pressed Value entered could not be converted Operator error on STATUS VAR or FORCE VAR screen Incorrect time entered Incorrect date entered Operator error on STATUS VAR or FORCE VAR screen You have attempted to delete the only data record for a recipe Lower limit violated you have attempted to enter a setpoint that is below the configured lower limit Upper limit violated you have attempted to enter a setpoint that is above the configured upper limit Illegal screen selection because incorrect PLC type specified external driver C7 633 C7 634 Control Systems C79000 G7076 C634 01 Remedy Wait until the function has been completed This message may appear in the case of recipe functions for example System error message issued if S7 messages are not available A multiplex index is outside the defined range Check the data record selection parameters recipe data record name data medium or use the Select function to select the data record Possible reason why operation is not possible the PLC has
130. fied Personnel The device system may only be set up and operated in conjunction with this manual Only qualified personnel should be allowed to install and work on this equipment Qualified persons are defined as persons who are authorized to commission to ground and to tag circuits equipment and systems in accordance with established safety practices and standards Correct Usage Note the following Warning This device and its components may only be used for the applications described in the catalog or the technical description and only in connection with devices or components from other manufacturers which have been approved or recommended by Siemens This product can only function correctly and safely if itis transported stored set up and installed correctly and operated and maintained as recommended A N Caution UL CSA Lithium Battery Replacement Danger of explosion if battery is incorrectly replaced Replace only with same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions Warning FM WARNING DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS LOCATION IS KNOWN TO BE NON HAZARDOUS Trademarks SIMATIC and SIMATIC NET and SIMATIC HMI are registered trademarks of SIEMENS AG Third parties using for their own purposes any other names in this document which refer to trademarks might infringe upon the rights of the trademark o
131. field is neither recipe setpoint or previous value Invalid destination configured for return reference in screen Data record memory full during startup Standard data records for the configured recipes require more than 20 Kbytes Unit switches to COM TEXT mode Configuration of interfaces incorrect printer PLC interfaces have same physical characteristics Configuration error Variable x 1 Data type is not DB 2 DB number is greater than 15 3 DB length is greater than 1024 4 DW is in data block header 5 Actual value not in send block 6 Setpoint not in receive block 7 Setpoint actual value not in receive block 8 Initial value not in send block 9 Data type is not DB 10 DB number is greater than 15 11 DB length is greater than 1024 12 DW is in data block header 13 Area is in wrong DB 14 Sum of data blocks too great Remedy If the fault is not corrected by performing a restart please contact the SIMATIC Hotline Change configuration and retransfer If the fault is not corrected by performing a restart please contact the SIMATIC Hotline Change configuration and retransfer Check protocol in configuration Use current firmware version or configure different protocol Change configuration and retransfer Break key on C7 complete configuration and retransfer Change field type or remove field and retransferconfiguration Change configuration and retransfer Configure fewer or smaller
132. fields Online languages 3 Password levels 9 Clock Software clock Hardware clock Software clock Hardware clock Load printer interface RS 232 TTY Input voltage e Rated value e With signal 1 e With signal 0 24 V DC 11 to 30 V 3 t05 V Isolation Yes via optocouplers in groups of 16 Input delay typ max 3 4 8 ms Input current with signal 1 max 11 5 mA B 6 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Technical Specifications for the C7 Connecting 2 wire Beros e Permissible closed circuit 2 mA current max Cable lengths e Unshielded 600 m e Shielded 1000 m Load rated voltage 24 V DC e permissible range 20 4 to 28 8 V Output voltage e with signal 1 max L 0 8 V Isolation Yes via optocouplers two groups of 8 Output current e with signal 1 rated value 0 5 A minimum current 5mA e with signal 0 max 0 5 mA Cumulative current per group of 8 4A e at 20 C 2A e at50 C Lamp load max SW Switching frequency e under impedance load 100 Hz e under inductive load 0 5 Hz Limiting of voltage induced on circuit interruption to L 48 V Short circuit protection Yes electronically clocked Cable lengths e Unshielded 600 m e Shielded 1000 m Can be used as UIl Digital interrupt input 24 V DC or up down counter or external gate counter UI2 Digital interrupt input 24 V DC or
133. for 7 300 modules via an IM 361 connecting cable Illustration Signal modules SM adapt different process signal digital input modules levels to the C7 CPU They can be digital output modules connected to the C7 via an IM 361 analog input modules analog output modules m analog I O modules o Function modules FM for time critical and memory intensive process signal processing tasks for example positioning or closed loop control O Communications processors CP relieves the CPU of communication tasks for example CP 342 5 DP for supporting FMS mm services point to point connections S5 connections etc S7 300 CPU communicates via the MPI DP interface with the C7 and or other nodes in an MPI network S7 400 CPU communicates via the MPI DP interface with the C7 and or other nodes in an MPI DP network Lya an 1 6 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Product Overview
134. ggered by the control program such as Displaying screens Setting the time and date Changing general settings A control job is identified by its job number Up to three parameters can be transferred depending on the control job A control job comprises four data words The first data word contains the job number Depending on the function up to three parameters can be passed in data words 2 to 4 Figure 4 8 shows the general structure of a control job Address Left byte LB Right byte RB Word 1 0 Job no Word 2 Parameter 1 Word 3 Parameter 2 Word 4 Parameter 3 Figure 4 8 Structure of a Control Job C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel Listing The following table lists all possible control jobs with their parameters The column No gives the job number for the controller Control jobs can only be triggered by the controller when the C7 is in online operation No Function 3 Hardcopy Parameters 1 2 3 5 Select contents directory Parameter 1 1 Contents screens display 2 Contents recipes display 4 Contents print screens 5 Contents print recipes 7 Contents recipes data record transfer Parameters 2 3 7 Print all screens Parameters 1 2 3 10 Print recipe with all data records Parameter 1 Recipe number 1 to 99 Parameters 2 3 11 Select special screens T
135. guration to match hardware Set required value by way of standard screen or PLC Reduce configured size of recipe and retransferconfiguration If the fault is not corrected by performing a restart please contact the SIMATIC Hotline Set up area pointers and retransfer configuration Reconfigurerecipe Correct the block number Increase configured size of recipe mailbox or succeeding recipe mailbox Increase size of LED image area according to bit numbers used Increase size of keyboard image area according to bit numbers used Complete configuration If the fault is not corrected by performing a restart please contact the SIMATIC Hotline Check the configuration If the fault is not corrected by performing a restart please contact the SIMATIC Hotline Screen or recipe title not configured If the fault is not corrected by performing a restart please contact the SIMATIC Hotline C7 633 C7 634 Control Systems C79000 G7076 C634 01 System Messages Message 635 636 637 638 639 640 641 642 643 645 648 649 650 Cause Configuration error Variable x 1 Screen or recipe entry only created symbolically 3 Field only created symbolically 6 Message entry or information text not configured for current language 7 9 Internalerror 19 28 41 43 18 Screen or recipe title not configured 20 Process link only created symbolically 21 Information text only created sym
136. haft If you know the number of pulses that are supplied by the transducer for each revolution of the barrel extruder then you can calculate the speed with which the barrel extruder is rotating An example follows N 16 pulses are generated per revolution of the barrel extruder N is known as the slot number of the transducer The interval between 2 pulses is 50000 increments fixed time interval The rotational speed of the barrel extruder is calculated as follows 1 _ 1 N x ti minimum 16 x 50 000 x 0 5 us ve 2 51 1502 S min C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Universal Inputs Lower Threshold Upper Threshold Thresholds Counter Overflow Assigning Parameters The period time counter generates a 24 bit counter value These 3 bytes can represent values up to FF FF FEy 16777214 decimal From this the lower threshold frequency for N 1 is when taking into account the maximum period time stated below tp 8 39 s fu tp 16777214 0 5us 8 39s fu 0 119 Hz And for N 1 the lower threshold rotation speed 1 1 N x minimum x ti Tx 8 395 0 1194 7 1472 min v The upper threshold frequency results from the condition that the universal inputs are designed for a maximum frequency of 10 kHz The minimum period time of 0 1 ms follows Therefore the upper threshold frequency is 10 kHz corresponding to 600 000 rev min If this frequency is exceeded then the in
137. has not been configured for the current PLC mode A print function has been initiated on the C7 When attempting to print it has been ascertained that the printer is offline You are attempting to enter a setpoint that contains an illegalcharacter Remedy 1 Printer is not switched on 2 Printer is not ready 3 Connecting lead between printer lt gt C7 is not connected or defective 4 No interface submodule inserted Communication with PLC has been resumed Max addresses S7 MPI 32 PROFIBUS DP 128 This operating mode may be set by the PLC programmer Minimum and maximum values are being confused by C7 To prevent this enter correct minimum and maximum values Log on with a higher password level Switch the printer online Check the connection between the C7 and the printer Has the printer been connected to the correct interface Enter a correct value C7 633 C7 634 Control Systems C79000 G7076 C634 01 System Messages Message 358 359 365 370 371 372 383 384 385 386 387 388 389 391 400 401 402 403 404 406 407 409 410 411 Cause The C7 is currently executing a function which does not permit use of the C7 while it is in progress The CPU is in STOP mode Incorrect index Hard copy printout has been cancelled manually Print function disabled at present The function started has been cancelled Information message transfer o
138. he DP slaves and evaluate diagnostics On Off e DP configuration missing or faulty also if Evaluate diagnostics reconfigure or correct CPU was not set as DP master errors if necessary Off Off e Noerror C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel In This Chapter Chapter Overview This chapter provides you with information on configuration parameters that are necessary for the communication between the C7 OP and the C7 CPU The communication is achieved using two data areas e The user data area and or e The interface area The functions structure and special features of the various user data areas and the interface areas are described in this chapter For those who are not yet familiar with OPs we recommend the manual First Steps with ProTool Lite Section Description Page 4 1 Configured Communications Parameters 4 2 4 2 Overview of User Data Areas 4 3 Event and Alarm Messages 4 4 4 4 Keyboard and LED Image 4 8 4 4 1 System Keyboard Image 4 9 4 4 2 Function Keyboard Image 4 10 4 4 3 LED Image 4 5 Screen Number Area 4 6 User Version 4 7 Interface Area AIETE TEE SE EW Ene PBT o Roy pe 4 7 1 Control and Checkback Bits 4 7 2 Data Areas in the Interface Area 4 17 4 8 Recipes 4 19 4 8 1 Transferring Data Records 4 20 4 8 2 Addressing Recipes and Data Records and the R
139. he configuration and then restart the C7 again c If the fault occurs again please contact your nearest Siemens representative When doing so please quote the number of the error that has occurred and any variables referred to in the message Cause Remedy Mode change in progress or recipe function started Waiting for data from programming device PC Data transfer between programming device PC and C7 in progress The firmware can not be used for the current configuration Send unit for repair quoting details of error message Memory module defective or internal hardware fault Memory module defective or transmission Retransfer configuration or send C7 for repair error C7 633 C7 634 Control Systems C79000 G7076 C634 01 System Messages Message 005 006 026 029 030 032 033 034 035 040 041 Cause Internal error Error message returned if nothing configured for a system message Error during data transfer in download mode Two variables are transferred with this message which contain information about the function in which the error has occurred variable 1 and the cause of the error variable 2 Variable 1 Initialize function Receive data Send data Send message block Terminate function AUuUnNeo Variable 2 1 Internal error 3 Timeout error 5 Parity error 6 Framing error 7 Overrun error 8 Break in line 9 Receive buffer overflow 10 Control charact
140. he following screens integrated in the firmware can be selected via their fixed object number Parameter 1 LB Cursor lock 0 off 1 on RB Special screen number Alarm message buffer 1 Buffer output 2 Output number of messages 3 Overflow warning on off 4 Delete buffer yes no Event message buffer 5 Buffer output 6 Output number of messages 7 Overflow warning on off 8 Delete buffer yes no Programming device functions 25 Status VAR 26 Modify VAR Special functions 30 Language brightness contrast 31 Change operating mode Settings 35 Set time date 36 Internalinterface C7 633 RS 232 C7 634 IF1 37 Submoduleinterface C7 633 TTY C7 634 IF2 38 Printerparameters 40 Message type Message texts 45 Display alarm message texts 46 Display event message texts C7 633 C7 634 Control Systems C79000 G7076 C634 01 4 25 Communication between the CPU and the Operator Panel 4 26 No Function System messages 50 Output system message buffer Passwords 55 Login 56 Password input Parameters 2 3 12 Message log on off Parameter 1 0 Off 1 On Parameters 2 3 13 Change language Parameter 1 0 Ist language 1 2nd language 2 3rd language Parameters 2 3 14 Set time BCD coded Parameter LB RB Hours 0 to 23 Parameter 2 LB Minutes 0 to 59 RB Seconds 0 to 59 Parameter 3 15 Set date BCD coded Parameter 1 LB RB Weekday 1 to 7 Sunday to Saturday Parameter 2 LB
141. he on board I O of the C7 633 P or C7 634 P are provided Analog Input X14 Analog Output X13 Digital Input X12 Digital Output X11 AY Gt DI DO 24V DC Power Supply X10 AUX Digital Input X10 Figure 2 9 A View of the C7 633 P with On Board I O Interfaces Digital Inputs X12 Table 2 1 Pin Assignments of the Digital Inputs Pin No Signal Explanation 0 0 10 0 Digital input 0 0 1 10 1 Digital input 1 0 2 10 2 Digital input 2 0 3 10 3 Digital input 3 0 4 10 4 Digital input 4 0 5 10 5 Digital input 5 0 6 10 6 Digital input 6 0 7 10 7 Digital input 7 1 0 11 0 Digital input 8 1 1 I1 1 Digital input 9 1 2 11 2 Digital input 10 1 3 11 3 Digital input 11 C7 633 C7 634 Control Systems C79000 G7076 C634 01 2 9 Installation and Setup Guidelines for the C7 Table 2 1 Pin Assignments of the Digital Inputs Pin No Signal Explanation 1 4 11 4 Digital input 12 1 5 11 5 Digital input 13 1 6 11 6 Digital input 14 1 7 11 7 Digital input 15 Digital Outputs X11 Table 2 2 Pin Assignments of the Digital Outputs Pin No Signal Explanation 0 0 Q0 0 Digital output 0 0 1 Q0 1 Digital output 1 0 2 Q0 2 Digital output 2 0 3 Q0 3 Digital output 3 0 4 Q0 4 Digital output 4 0 5 Q0 5 Digital output 5 0 6 Q0 6 Digital output 6 0 7 Q0 7 Digital
142. he user program on the C7 CPU to a programming device PC or remove the memory card on which the CPU user program is stored If the C7 CPU is defective and the user program can no longer be read out remove the C7 without any further safety measures The configuration loaded on the C7 cannot be displayed It must be available on a programming device PC C7 633 C7 634 Control Systems C79000 G7076 C634 01 Maintenance Installation The mechanical and electrical installation is as described in Sections 2 2 and 2 3 Once you have obtained a new C7 install it as follows I 2 3 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Connect a programming device PC to the multipoint interface Perform a memory reset on the C7 CPU Without a memory card Transfer the previously saved CPU user program from the programming device PC with the relevant data to the C7 CPU with STEP 7 With a memory card Insert the memory card and perform another memory reset MRES on the C7 CPU Connect the C7 operator panel to the serial interface of the programming device PC Load your configuration onto the C7 operator panel using ProTool or ProTool Lite Start the CPU user program by selecting a CPU mode C7 633 C7 634 Control Systems C79000 G7076 C634 01 System Messages In This Chapter This chapter lists the most important system messages when they occur and where applicable how you can eliminate the error Messag
143. hich can be assigned parameters It triggers execution of the relevant organization block A collective term for system diagnostics process error diagnostics and user defined diagnostics The diagnostic buffer is a retentive area of memory within the CPU which stores the diagnostic events in the order they occurred Diagnostic events include errors in a digital function in the C7 system faults in the C7 caused for example by programming errors or operating mode transitions C7 633 C7 634 Control Systems C79000 G7076 C634 01 Glossary 3 Glossary Diagnostic Functions Diagnostic Interrupt Equipotential Bonding Error Display Flash EPROM Flash Memory Functional Ground Function Module FM Glossary 4 The diagnostic functions comprise the complete scope of system diagnostics process error diagnostics and user defined diagnostics and the detection evaluation and signaling of faults within the C7 Modules with diagnostics capability signal system errors to the CPU by means of diagnostic interrupts Electrical connection equipotential bonding conductor that brings the bodies of electrical resources to the same or approximately the same potential as foreign bodies in order to prevent interference or hazardous voltages arising between the bodies The error display is one of the possible responses of the operating system to a run time error The other possible responses are error response in the use
144. i Pinout diagram ANA ANA ANA fs ANA Pin No Parts shaded in this way are not relevant to this example Figure 7 7 Terminal Connection Diagram of the Analog Inputs Connecting a You can connect either a power sensor or a voltage sensor to an analog input Power Voliage but never both at the same time Sensor Unused Analog To prevent interference from occurring all unused analog inputs should be Inputs short circuited C7 633 C7 634 Control Systems 7 12 C79000 G7076 C634 01 C7 Analog I O Channels Block Diagram Three pins are combined to form a channel Table 7 1 Channels of the Analog Input Module Pin No Value Channel AIl U Voltage input Channel 1 All I Current input AN AIl M Referencepotential AI2 U_ Voltage input Channel 2 AI2 I Current input AI2 AI2 M_ Referencepotential AI3 U Voltage input Channel 3 AI3 I Current input AT3 AIB M Referencepotential AI4 U Voltage input Channel 4 Al4 I Current input AI4 AI4 M Referencepotential Figure 7 8 shows the block diagram of the analog input module The next page contains detailed technical specifications of the analog input module All Al4 Galvanic isolation es ADC b Internal supply Fil o n
145. ics 4 outputs The outputs can be selected either as Voltage output or Current output 12 bit resolution incl sign Configurable diagnostics Isolated Note If you modify the output ranges while the analog output module is active intermediate values can arise at the output C7 Analog I O Terminal Figure 7 9 shows the terminal connection diagram of the analog output Connection module Diagram View of right hand side of C7 a g 4 Analog output Voltage output Current output a 1 g AO1 _ Wie 2 gt 8 HE 4 S Mana E o AO3 5 Maya e O A AO4 a 5 M g U ANA Terminal connection diagram Pin No Parts shaded in this way are not relevant to this example Figure 7 9 Terminal Connection Diagram of the Analog Output Module Block Diagram Figure 7 10 shows the block diagram of the analog output module You will find detailed technical specifications of the analog output module on the following pages Galvanic isolation 1 pt WH l AO4 Figure 7 10 Block Diagram of the Analog Output Module C7 633 C7 634 Control Systems 7 16 C79000 G7076 C634 01 C7 Analog I O Technical Specifications Data Specific to Analog Outputs Status Interrupts Diagnostics Number of outputs 4 Cable length shielded 200 m Voltages Currents Potentials
146. ignal output modules or which are used in the user program instead of a process variable in the case of faulty signal input modules The substitute values can be specified in advance by the user for example retain last value They are values which the outputs are to output when the CPU goes into STOP System diagnostics comprises the detection evaluation and signaling of errors which occur within the programmable controller Examples of such errors include program errors or module faults The system memory is integrated in the S7 CPU in the form of RAM The address areas for example timers counters bit memory and data areas required internally by the operating system for example backup for communication are stored in the system memory In M7 the system memory is not a separate area but is integrated in the work memory The time delay interrupt belongs to one of the priority classes in SIMATIC S7 program processing It is generated when a timer has expired in the user program It triggers execution of the relevant organization block C7 633 C7 634 Control Systems C79000 G7076 C634 01 Glossary 9 Glossary Time of Day Interrupt Total Current Transmission Rate U Ungrounded User Defined Diagnostic Event User Memory User Program V Varistor W Work Memory Glossary 10 The time of day interrupt belongs to one of the priority classes in the program processing of the C7 CPU It is generated at
147. ines for the C7 lt 230 5495 gt Cutout in front panel 158 540 5 lt 240 ai 203 5 a a gt Figure 2 5 Dimension Drawings for Cutout in Control Panel All Device Variants Installation When installing a C7 please note the following Guidelines The plate of a control panel may be 2 to 4 mm thick Make sure the seal ring fits tightly in all places When you tighten the fixings the seal ring should be visible min 0 5 mm Gaps of at least 50 and 70 mm must be left on the sides of the C7 for outgoing cables and air circulation as shown in Figure 2 6 The seal ring on the front panel must sit perfectly The tabs of the insertion strips must not be trapped The C7 must be protected from direct sunlight Note The C7 can be mounted and operated in different positions whereby horizontal mounting is preferable It is also possible to mount the system rotated around a horizontal axis see Appendix B 1 Technical Specifications Operational ambient temperature Operation is not permissible in a position that is tilted around a vertical axis C7 633 C7 634 Control Systems 2 6 C79000 G7076 C634 01 Installation and Setup Guidelines for the C7
148. into the diagnostic buffer only if the Messages diagnostic interrupt OB OB82 occurs The requirement is that the parameter diagnostic interrupt enable yes was assigned Then you can read out the detailed diagnostic messages in addition to the standard diagnostic information using the STEP 7 application Module Information see Manual 231 No entry is made in the diagnostic buffer of the C7 CPU in all other cases Therefore the diagnostic message cannot be read out C7 633 C7 634 Control Systems C79000 G7076 C634 01 10 3 VO Diagnostics 10 2 Diagnostic Data of the C7 Analog I O and Universal Inputs Overview Analog Input Diagnostics Analog Output Diagnostics Layout of Diagnostic Area of the Module 10 4 This section describes the C7 analog I O and universal inputs with regard to their module specific diagnostic messages Table 10 1 provides an overview of the channel specific diagnostic messages of the analog input The diagnostic information is allocated to the individual channels Table 10 1 Diagnostic Message of the Analog Input Diagnostic message Analog Input Parameter assignment error Yes Common mode error No P short circuit No M short circuit No Wire break only for 4 to 20mA by software Yes Reference error No Underrange underflow Yes Overrange overflow Yes Only one group error exists for the analog output Possible causes of the group error could
149. iod 10 10 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Maintenance Chapter Overview Section Description Page 11 1 Changing the Backup Battery 11 2 11 2 Replacing the C7 11 4 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Maintenance 11 1 Changing the Backup Battery Change During Power On Only You must always change the backup battery during power on This prevents any data loss in the internal user memory while changing the battery Battery cover Cable tie Figure 11 1 Removing the Cover of the C7 633 DP Figure 11 2 Battery Cover Note Observe the ESD guidelines Do not use any metal objects screwdriver inside the C7 Electrical components and printed circuit boards are not sufficiently protected C7 633 C7 634 Control Systems C79000 G7076 C634 01 Maintenance Proceed as follows to change the backup battery 1 2 Unscrew the cover of the C7 battery compartment see Figure 11 1 Lift the cover up and to the right see Figure 11 2 Make sure you raise the cover only as far as the battery connections allow Unplug the battery connector from the old backup battery see Figure 11 3 Loosen the cable ties with which the battery is attached to the cover see Figure 11 3 Attach the new backup battery to the cover using the cable ties Plug the battery connector of the new battery into
150. ional capability Select the appropriate recipe number Configure missing recipe or select a different one Enter different numbers A 7 System Messages Message 333 335 336 337 338 339 340 341 342 343 350 351 352 353 354 355 356 357 A 8 Cause Data record number not present when selecting a recipe screen Information message alarm message will be suppressed No process screens have been configured No recipes have been configured C7 can not establish a connection to the printer Startup completed Status processing in progress on programming device PC The C7 cannot be used during this time Internal error In the case of external connections data block error Network node has illegal address You are attempting to edit a variable of a type that cannot be edited in a recipe currently applies to ARRAY variables only PLC is performing initialization You cannot enter any setpoints during initialization Scrolling of screens is possible PLC has completed initialization You can resume entering setpoints once this message has appeared You are attempting to select a screen that does not exist or has been disabled by the function Hide The minimum value is greater than the maximum value for variablescales You are attempting to enter a value in an input field when the current password level is insufficient for input Entry of this variable
151. ith the analog signals In such a case you should ground the shield at one end of the cable only The analog input is isolated and so there is no electrical connection between the reference point of the measuring circuit Mana and the M terminal of the C7 power supply see Figure 7 1 A potential difference Urso can occur between the reference point of the measuring circuit Mana and the M terminal of the C7 Make sure that Urso does not exceed the permissible value Where it is possible that the permissible value might be exceeded see technical specifications establish a connection between the Mana terminal and the M terminal of the C7 A potential difference Ucp common mode voltage may occur between the measuring line AIx M of the input channels and the reference point of the measuring circuit Mana However this potential difference must not exceed the permissible value see technical specifications Where it is possible that the permissible value for Uc might be exceeded or where you cannot determine the difference in potential accurately you must connect AIx M to Mana Please observe this also for the unused inputs C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 3 C7 Analog I O Abbreviations Isolated Transducers The abbreviations used in Figures 7 1 to 7 3 have the following meanings AIx X Measuring line AIx U or AIx I AIx M Reference potential of the measuring line Mana Reference potential of the anal
152. l find a detailed description in 71 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication Functions 5 2 Communication between C7 S7 Stations MPI Subnet Properties Blocks The communication SFCs offer the possibility of acknowledged data exchange via non configured S7 connections to other C7 S7 stations Using these communication SFCs you can reach all communication partners on the MPI subnet and transfer small quantities of data max 76 bytes From S7 M7 C7 CPUs you can also access variables in another C7 S7 CPU X_PUT X_GET The connections to the communication partners are established dynamically when the SFC is called A free connection resource in each of the communication partners will be required for this If there are no free connections resources available on the communication partners no new connections can be established temporary lack of resources indicated as SFC error class in RET_VAL The communication SFCs must not be deleted in RUN mode otherwise any connection resources in use may not be able to be freed up program changes only in STOP The number of communication partners that can be reached one after the other is greater than the number of connections that can be set up simultaneously corresponds to a CPU specific quantity see 70 Communication is also possible if the communication partners are in other S7 projects The communication SFCs do not require any additional
153. lding machine Calculation of low frequencies and rotation speeds The period time counter counts the number of increments fixed time intervals of tz 0 5 us between two rising edges The first period starts at the first transition from 0 to 1 rising edge It ends at the next rising edge This is also the start of the next period From this a period time can be calculated tp number of counted increments 0 5 us In addition for every rising edge a counter is started that increases its value by 1 every 0 5 us until the next positive edge occurs The period time counter can be defined with a resolution of 0 5 us C7 633 C7 634 Control Systems C79000 G7076 C634 01 8 19 C7 Universal Inputs Explanation of Principle Based upon a Simple Transducer 8 20 Figure 8 5 illustrates a simple transducer The transducer supplies a 1 when the light passes through one of the slots in the disc If the disc rotates then the transducer delivers the signal shown in the diagram e Signal Slot disc Signal 1st period 2nd period 3rd period 1 Pi Pa 0 i E s r Increments t A pee Ly TL oe tai ti 0 5 us Period Time l k i Counter A S E E er on a od p 144 3 7 g Counter value Counter value 1st period 2nd period tp Counter value 0 5 us Figure 8 5 A Simple Transducer such as a Slot Disc on a S
154. liarize you with the principles of programming the C7 I O 7 7 1 Block for Scaling Analog Input Values Function of Block The FC126 block is used to convert the actual value entered as a hexadecimal number in a peripheral input word into a corresponding point number analog value to be output to a memory double word For this purpose a simple calculation using the rule of three is programmed 1 First the actual value is related to the total range RANGE_HEX resulting from the difference UL LL The result is a percentage of the absolute actual value This is identical in the floating point number and in the hexadecimal representation 2 Then the total range resulting from the difference UL LL is calculated in floating point number representation depending on whether the measuring range is unipolar or bipolar 3 Now the percentage PERCENT calculated before is related to the total floating point number range The result is the absolute read in value 4 Finally the lower limit LL is added to this value as the offset 5 The resulting floating point number is output Summary of PERCENT channel LL UL LL Formulae RANGE_HEX UL LL actual value PERCENT upper limit lower limit lower limit 7 36 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O FC126 Sequence of Statements The FC126 function contains the following statement lines FUNCTION FC 126 void var_input lower limit D
155. lt m 1 MANA e A02 Channel 1 Address PQW274 MANA i A03 Channel 2 Address PQW276 J Mov i M Channel 3 Address PQW278 o ANA _ Pin number Inputs marked with this hatching are not relevant to this example Figure 7 11 Analog Input Output Addresses C7 633 C7 634 Control Systems 7 18 C79000 G7076 C634 01 C7 Analog I O 7 6 2 Timing of the Analog I Os Analog Inputs The timing of the analog inputs depends on the current parameter assignment of the analog I Os see Section 7 6 3 The duration of the measuring cycle depends on the number of activated analog input channels Deactivated channels reduce the length of the measuring cycle The measuring cycle is the sum of the conversion times of the activated analog inputs A D conversion of the channels Alt Al2 Al3 Al4 Ali OT LOT LT LOT LTI Processing time Processing time Processing time of a channel of a channel of a channel Measuring cycle J Figure 7 12 Measuring Cycle when All Analog Input Channels are Activated A D conversion of the channels Alt Al3 Al4 All Al3 GOT LOT LT LOT L Processing time Processing time Processing time of a channel of a channel of a channel Measuring cycle J Figure 7 13 Measuring Cycle when Analog Input Channel 2 is Deactivated C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 19 C7 Analog I O Analog Outp
156. lter the level of an invalid password The password entered is too short You have pressed lt Statistics or Message Text gt on a buffer screen but there is no entry for the current message The entry number specified does not exist on the selected screen The FM NC MPI partner has no alarm message buffer You have attempted to collect a recipe number other than the active recipe number from the PLC Recipe number not present when selecting a recipe Recipe number gt 99 when selecting a recipe The same number has been entered for source and destination on the Data Record Transfer screen Full details of source and destination not entered when initiating data record transfer function The data record specified as the source does not exist Data record number gt 99 when selecting a recipe screen C7 633 C7 634 Control Systems C79000 G7076 C634 01 Remedy Check PLC status S5 set value in data word 98 to at least 2000 Set up data block or change configuration Change configuration and retransfer Check configuration of process link Wait until the printer is free again and repeat the print job The CPU has no diagnostic buffer hardware problem Enter password with higher password level Enter password Enter a different password First enter the password then specify the level Password must be at least three characters long A node does not have the required funct
157. m Message and Acknowledgement Areas Every alarm message has a message number To this message number the same bit of the alarm message area and the bit multiplying of the acknowledgement area are assigned This is also valid for more than one acknowledgement area if the length of the previous acknowledgement area does not encompass the entire length of the alarm message area Figure 4 3 clarifies this situation Alarm message area 1 Acknowledgement area 1 _ Alarm message no 1 neknowiecoR bit f r alarm message no 1 Bit 7 ol7 ol Bit 7 ol7 o Alarm message area 2 Acknowledgement area 2 Alarm message no 49 Acknowledge bit for alarm message no 49 Figure 4 3 Assignment of Acknowledge Bit and Message Number C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel Acknowledgement Area C7 CPU gt C7 OP Acknowledgement Area C7 OP C7 CPU One of the bits set in the C7 CPU area causes the acknowledgement of the corresponding alarm message at the C7 OP Reset this bit when you reset the bit in the alarm message area Figure 4 4 shows the timing diagram The acknowledgement area C7 CPU C7 OP e Must be immediately connected to the relevant alarm message area e Must have exactly the same polling time and e Can have the same maximum length as the corresponding alarm message area If the acknowledgement area C7 CPU C7 OP is
158. m one recipe to another V3 0 or later plastic functions The following question appears Save yes no If you elect to save the array data are set to 0 C7 633 C7 634 Control Systems C79000 G7076 C634 01 System Messages Message 567 568 569 570 571 572 600 601 602 604 605 606 607 608 609 610 611 613 614 615 616 617 618 619 Cause If the message buffer has to be cleared pending event alarm messages also have to be deleted in order to make space for new message events Fault on CPI submodule Variable contains errors variable name from ProTool is used as parameter S7 system diagnosis INTERRUPT_S returns error if C7 logs on off Query data record already exists on data medium Configuration error overflow warning at basic setting 1 Configuration error message logging at basic setting 1 Configuration of remaining buffer space incorrect Message does not exist Process link is only configured symbolically Too many message variables configured Data type configured does not exist The process screen number does not exist Special object or operator object for message text does not exist or is not permissible Operator object for header or footer does not exist or is not permissible Special operator object for buffer printout does not exist or is not permissible Data block not available or too short No entry present for log header and foot
159. mber The possible control jobs are listed with job numbers and parameters in Section 4 10 Byte n 13 The C7 OP enters the coupling identifier 0 for the multipoint interface in byte 13 Time bytes n 15 to n 17 Date bytes n 21 to n 24 The date and time can be transferred from the C7 OP to the C7 CPU via control job 41 The following screens show the structure of the data area All inputs are coded in Binary Coded Decimal BCD Time Address 7 0 n 15 Hours 0 23 n 16 Minutes 0 59 n 17 Seconds 0 59 Date C7 633 C7 634 Control Systems C79000 G7076 C634 01 4 17 Communication between the CPU and the Operator Panel Address 7 0 n 21 Weekday 1 7 n 22 Day 1 31 n 23 Month 1 12 n 24 Year 0 99 Cyclic Interrupt Bytes n 26 to n 31 Bits C7 634 only A cyclic interrupt is a periodically recurring point in time hourly daily weekly annually at which a predefined function is executed for example e Print message buffer or screen e Select screen When a cyclic interrupt is reached on the C7 OP the corresponding bit is set in this area Address 7 0 7 0 n 26 16 1 32 17 n 30 48 33 Cyclic Interrupt No C7 633 C7 634 Control Systems 4 18 C79000 G7076 C634 01 Communication between the CPU and the Operator Panel 4 8 Recipes Overview Transferring Data Records Synchronization A recipe is a group of
160. mber 0 First menu item 1 to 20 Other menu items Parameter 3 49 Delete event message buffer Parameters 1 2 3 50 Delete alarm message buffer Parameters 1 2 3 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel No Function 51 Screenselection Parameter 1 LB Cursor lock 0 off 1 on RB Screen number 1 to 99 Parameter 2 Entry number 0 to 99 0 cursor set to the first available entry Parameter 3 Field number 1lto8 for C7 633 1 to 32 for C7 634 Output fields are ignored in the serial numbering system Note The input fields of an entry are numbered consecutively 0 Entry number field 1 First input field n Last input field The numbering of the input fields starts from 1 again for each entry 52 Print screen Parameter 1 Screen number 1 to 99 in byte format Parameters 2 3 53 Select recipe Parameter 1 LB Cursor lock 0 off 1 on RB Recipe number 1 to 99 Parameter 2 Data record number 1 to 99 Parameter 3 LB Entry number 0 to 99 RB Field number 0 1 54 Print recipe Parameter Recipe number 1 to 99 Parameter 2 Data record number 1 to 99 Parameter 3 69 Transfer recipe data record from C7 CPU to C7 OP Parameter 1 Recipe number 1 to 99 Parameter 2 Data record number 1 to 99 Parameter 3 0 1 0 Data record is not overwritten 1 Data record is overwritten 70 Transfer recipe data record from C7 OP to C7 CPU
161. me Mo Fr 0 00 to 24 00 Phone 49 911 895 7777 Fax 49 911 895 7001 GMT 01 00 Soe Ty x G Singapore MEE Ete y Z SIMATIC Basic Hotline Johnson City Singapore SIMATIC BASIC Hotline SIMATIC BASIC Hotline Localtime Mo Fr 8 00 to 17 00 Localtime Mo Fr 8 30 to 17 30 Phone 1 423 461 2522 Phone 65740 7000 Fax 1 423 461 2231 Fax 65740 7001 E Mail simatic hotline E Mail simatic sea siemens com singnet com sg GMT 5 00 GMT 8 00 SIMATIC Customer The SIMATIC Customer Support team provides you with comprehensive Support Online additional information on SIMATIC products via its online services Services C7 633 C7 634 Control Systems C79000 G7076 C634 01 You can obtain general current information On the Internet under http www ad siemens de simatic html1_00 simatic htm Using fax polling no 08765 93 02 77 95 00 Current Product Information leaflets and downloads which you may find useful for your product are available On the Internet under http www ad siemens de support htm1 00 Via the Bulletin Board System BBS in Nuremberg SIMATIC Customer Support Mailbox under the number 49 911 895 7100 To access the mailbox use a modem with V 34 28 8 Kbps capability whose parameters you should set as follows 8 N 1 ANSI or dial in using ISDN x 75 64 Kbps C7 633 C7 634 Control Systems C79000 G7076 C634 01 Contents Pref c ccacecdbneiewe eieabniee enia ae
162. ments of an MPI or ai L2 DP network Je 1 8 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Product Overview Example Figure 1 5 shows some possible connections to other devices 7 300 CPU S7 300 modules a Ui p IM 361 OP 25 C7 Eh 8 oo0o0000 20000000 Ooo0 6 o Oooo ooo RS 232 V 24 TTY MPI Printer e g FM 355 PROFIBUS DP connection Figure 1 5 Some C7 Connection Possibilities C7 633 C7 634 Control Systems C79000 G7076 C634 01 1 9 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Installation and Setup Guidelines for the C7 Chapter Overview C7 633 C7 634 Control Systems C79000 G7076 C634 01 Section Description Page 2 1 Labeling Strips 2 2 2 2 MechanicalInstallation 2 3 ElectricalInstallation 2 4 Connector Assignments 2 5 Connecting a Programming Device PC to a C7 2 6 Connecting a Programming Device PC to Several Nodes 2 18 2 7 Setup Guidelines for Interference Free Installation 2 20 2 8 Connecting Shielded Cables 2 22 2 9 Encoding Connectors 2 10 Expanding the C7 with S7 300 Modules 2 11 Configuring an MPI and PROFIBUS DP Network 2 26 2 1 Installatio
163. mponents are included in the scope of supply of a C7 device C7 633 P C7 633 DP C7 634 P or C7 634 DP Battery integrated in the device One grounding bar C7 633 P and C7 634 P only Six shielding clips C7 633 P and C7 634 P only Seal and four screw in tensioners Power supply connector 4 pin Product Information as required Connector set C7 633 P and C7 634 P only Accessories The following components can be ordered as important C7 standard accessories Component Identifying Data Order Number PG cable MPI See catalog ST 70 connects C7 to PG PG cable TTY serial transfer ProTool PC MPI cable 5m Printer cable for RS 232 serial interface max 16 m Spare Parts The following components can be ordered as spare parts for the C7 Service package Seal and 4 screw in See catalog ST 70 Component Identifying Data Order Number tensioners Backup battery Connector set for C7 I Os with solid and profiled coding keys C7 633 C7 634 Control Systems C79000 G7076 C634 01 1 5 Product Overview 1 3 Components for Connection to a C7 In addition to the connections to the process you can also connect different components to the C7 The most important components and their functions are listed in Table 1 1 Table 1 1 Connectable Components of a C7 Component Interface module IM 361 Function connects a C7 to an expansion rack
164. n explicitly without transferring data This frees up the corresponding connection resources again on both sides For the above blocks addressing the communication partner is done via the MPI address configured in STEP 7 The communication partner can also be in another S7 project The maximum data area which can be read written as a contiguous field of data by the operating system in the S7 300 S7 400 CPUs X_PUT X_GET is shown in the table below An array of the data types Byte Word and Double Word can be transferred consistently up to a CPU specific maximum length see table CPU 31x C7 8 bytes CPU 412 32 bytes CPU 413 32 bytes CPU 414 32 bytes CPU 416 32 bytes If larger amounts of user data are transferred using X_PUT X_GET inconsistencies may arise C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication Functions 5 3 Communication within a C7 Station PROFIBUS DP or IM Properties Blocks Addressing Data Consistency The communication SFCs offer the possibility of acknowledged data exchange via non configured S7 connections to PROFIBUS DP partners Using these communication SFCs you can reach all communication partners which can be addressed via the I O addresses of a station for example function modules FMs The connections to the communication partners are established dynamically when the SFC is called A free connection resource in each
165. n and Setup Guidelines for the C7 2 1 Labeling Strips Plant Specific Labeling Making Labeling Sirips 2 2 The function keys are labeled using labeling strips which are inserted into the keypad from the side When shipped the function keys are labeled as follows C7 633 F1 to F4 K1 to K8 and K9 to K16 C7 634 F1 to F8 K1 to K8 and K9 to K16 By exchanging the labeling strips you can label the function keys of your C7 specifically for your plant To make your own labeling strips use transparent foil so that the LEDs in the function keys remain visible Label the foil using either a printer or an indelible pen so it cannot be erased Cut the strips out using the templates shown in Figures 2 1 C7 633 and 2 2 C7 634 Note Laser printouts are not indelible You should therefore protect the printed sheet with transparent adhesive foil Shipped with the ProTool configuration software are the Word files SLIDE633 DOC and SLIDE634 DOC The files contain formatted templates for labeling the function keys of C7 633 and C7 634 and can also be used to edit and print your own individual labeling strips with a minimum of effort You will find the SLIDE63x DOC and SLIDE634 DOC files in the ProTool directory Utility C7 633 C7 634 Control Systems C79000 G7076 C634 01 Installation and Setup Guidelines for the C7
166. n be e Read out from the C7 CPU with the programming device C7 gt PG e Downloaded to the C7 CPU and changed there PG gt C7 RUN R lt or iS The C7 CPU processes the user program Programs and data can be e Read out from the C7 CPU with the programming device C7 PG e cannot be downloaded to the C7 CPU and changed there PG gt x C7 STOP S lt i The C7 CPU does not process the user program Programs can be Read out from the C7 CPU with the programming device C7 gt PG e Downloaded to the C7 CPU and changed there PG gt C7 Note The STOP mode is only valid for the C7 CPU and not for the C7 OP It is possible to continue working with the C7 OP MRES M lt I Memory Reset Executing a memory reset on the C7 CPU clear memory reload user program from flash memory if a memory card is inserted requires a special sequence of operations with the modes STOP and MRES 1 Select STOP mode by pressing the DOWN key The key must remain pressed for at least 300 ms for the transition to take place The key LED S and the CPU status LED STOP light up 2 Select the mode MRES by keeping the DOWN key depressed The key LED M lights up Immediately after the second time the CPU status LED STOP lights up release the key briefly and press it again After flashing bri
167. n be charged electrostatically Small charges up to 100 V are very common these can however very quickly rise up to 15 000 V Examples e Plastic covers up to 5000 V e Plastic cups up to 5000 V e Plastic bound books and notebooks upto 8000 V e Desoldering device with plastic parts up to 8000 V e Walking on plastic flooring up to 12 000 V e Sitting on a padded chair up to 15 000 V e Walking on a carpet synthetic up to 15 000 V An electrostatic discharge e of 3500 V and upwards can be felt e of 4500 V and upwards can be heard e of 5000 V and upwards can be seen Just a fraction of these voltages is capable of destroying or damaging your electronic devices components Carefully note and apply the protective measures described below to protect and prolong the life of your modules and components C7 633 C7 634 Control Systems C79000 G7076 C634 01 C 3 Guidelines for Handling Electrostatically Sensitive Devices ESD C 3 General Protective Measures against Electrostatic Discharge Damage Keep Plastics Away Provide Sufficient Grounding Avoid Direct Contact Special Precautions for Modules without a Casing C 4 Keep plastics away from sensitive devices Most plastic materials have a tendency to build up electrostatic charges easily Make sure that the personnel working surfaces and packaging are sufficiently grounded when handling electrostatically sensitive devices This helps to avoid static charges
168. n no longer be exited using the cursor keys or the ESC key The cursor lock will only be disabled again by Repeating the job with the cursor lock 0 Another job which causes a change to the display on the screen If you try to exit the input field with the cursor lock activated the system message 400 Invalid key pressed is displayed C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel 4 10 1 Example of How to Activate a Control Job Procedure for The following describes the procedure for activating a control job Control Job 1 Set up the interface block contains the interface area in the C7 CPU for example DB52 In the configuration enter the interface block DB52 in the area pointer This informs the C7 OP that this block exists The job is entered in the interface block by means of a C7 CPU program see Figure 4 9 The C7 OP reads the interface block and executes the job Program for control job 51 Screen selection CALL DB52 Call the interface block L ScreenNo Enter parameter 1 screen number in the T DBW6 job area of the interface block L EntryNo Enter parameter 2 entry number in the T DBW8 job area of the interface block L FieldNo Enter parameter 3 field number in the T DBW10 job area of the interface block L 51 Enter the job number in the job area of the T DBW4 interface block to activate the job Figu
169. n only be calibration values for the 7FFFy and the counter restarted after a reset on the compensation of the offset values become bus restart C7 CPU or the error of the analog I O from FFFFq FFFFFFy analog I O must be the serial EEPROM recalibrated at the manufacturer s factory equipment exchange External error The error bit is set when Refer to the grouping See error under the grouping channel specific errors of External error in Table External error in Table the analog inputs or outputs 10 3 10 3 occur Channel error A channel caused an error Refer to the grouping See error under the grouping Diagnosis of the channel causing the error has been enabled External error in Table 10 3 Channel error in Table 10 3 C7 633 C7 634 Control Systems C79000 G7076 C634 01 10 9 VO Diagnostics Table 10 4 Diagnostic Messages and Reaction Possibilities Reason for the Source of Error Reaction of the Module Possible Elimination Diagnostic Message Wire break Requirement An error counter will be Check the connection of the The measurement range incremented If the error appropriatemeasurement 0 to 20 mA has been set for counter reaches a fixed value channel the channel of 3 then the error wire If a wire break check has break is reported been assigned then the error is identified by evaluation of the input current of the analog input channel
170. ne whether e A count pulse is triggered by a rising or falling edge at the corresponding universal input e Counting is up or down e A hardware interrupt is to be triggered or not The counter calculates the actual value according to the following formula Actual value counter up number of edges or Actual value counter down start value minus number of edges Counting up starts at zero or is continued from the last counter value until the selected comparison value is reached or to the end of the count range default setting The start value after resetting the counter is always zero The comparison value is set by the user program Counting down starts counting backwards from the selected start value or is continued from the last counter value until the value zero is reached The start value is set by the user program The universal input counter counts count pulses up to a maximum frequency of 10 kHz A frequency filter is fitted to the inputs Warning If the actual frequency exceeds the threshold frequency of 10 kHz then the correct function of the universal inputs can no longer be guaranteed since count pulses will be lost Before activating a counter in OB100 it is necessary to insert a delay time of at least 5 ms via SFC47 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Universal Inputs Starting and Stopping Counters Note The counting process on the C7 I O module is asynchronous
171. nels Type 2 ms max 4 ms Transient recovery time e For resistive load max e For capacitative load max e For inductive load max 0 1 ms 3 3 ms 0 5 ms Applicable substitute values Yes configurable Operational limit 0 to 60 C with reference to output range e Voltage e Current 0 8 1 Basic error limit operational limit at 25 C with reference to output range e Voltage 0 5 e Current 0 6 Interrupts e Diagnostic interrupt Yes configurable for parameter error Cable length shielded max 200 m C7 633 C7 634 Control Systems C79000 G7076 C634 01 B 9 Technical Specifications for the C7 24 VDC Power Supply ZN Important for the USA and Canada FM Approval B 10 The whole 24 VDC power supply for the C7 operating voltage load voltage relay power supply etc must be provided in the form of safety extra low voltage SELV Warning Personal injury and property damage can occur If you do not provide the correct 24 VDC power supply for your C7 this may result in damage to components of your programmable controller or injury to personnel Use only safety extra low voltage SELV for the 24 VDC power supply to your C7 If the device carries any of the following markings the respective approval has been obtained Underwriters Laboratories UL to UL 508 standard WY UL Recognition Mark Q Canadian Standard Associ
172. nfo not configured by system 6 0 7 0 02 0 Coding connector incorrect missing 0 1 Communications failure Error during transfer of parameters input data 0 2 Operating mode RUN STOP 0 3 Watchdog activated with bit 1 of byte 0 oll 4 Internal voltage failed 0 J Battery 1 empty 0 6 Entire backup battery failed 0 7 0 03 0 Rack failure 0 1 Processor failure 0 2 EEPROM error Serial calibration EEPROM for analog measured Oll value calibration set with bit 1 of byte 0 3 RAM error 0 4 ADC error with bit 1 of byte 0 0 C7 633 C7 634 Control Systems C79000 G7076 C634 01 10 5 VO Diagnostics Table 10 2 Structure of the Diagnostic Area Byte Bit Meaning Explanation Value Range 5 Fuse failure 0 6 Hardware interrupt lost 0 7 0 Channel Specific Diagnostic Entries 04 0 7 Channel type AI of the following channel specific diagnostic information Tly 05 0 7 Number of analog input channels 4 06 0 7 Number of diagnostic bits per 8 channel 07 Channel Vector Channel Group AI 0 Error assigning parameters to DI1 O no l yes Oll 1 Error assigning parameters to DI2 0 no 1 yes Oll 2 Error assigning parameters to DI3 0 no 1 yes Oll 3 Error assigning parameters to DI4 0 no l yes Oll 4 Error in channel AI1 O no l yes Oll 5 Error in channel AI2 O no l yes Oll 6 Error in channel AI3 0
173. ng this parameter block the C7 CPU then transfers the parameters to the appropriate universal inputs at every operating mode change from STOP gt RUN If the universal inputs are used as interrupt inputs a hardware interrupt will be triggered on the C7 CPU for the assigned rising or falling edge at the input The default is the rising edge The universal inputs 1 to 3 can be assigned as e Counter input 16 bit counters 1 and 2 e Counter input 24 bit counter 3 e Frequency counter input 3 only e Period time counter input 3 only e External gate counter 16 bit inputs 1 and 2 only e External gate counter 24 bit input 3 only The counter values are made available to the user program as 16 bit or 24 bit values and the frequency and period time counter values as 24 bit values The counter values of the external gate counter are either 16 bit or 24 bit values depending on the input C7 633 C7 634 Control Systems C79000 G7076 C634 01 8 9 C7 Universal Inputs Table 8 5 lists the parameters for the above mentioned functions Table 8 5 Parameter Block of the Count Inputs Parameter Explanation Value Range Default Setting Count input 1 Activate the count input and define the type of Standard Standard counting Interrupt Counter HW gate counter Define the count direction Up Up Down Set edge to be used for counting Rising edge Rising edge Falling edge Counter can trigger a hardware i
174. not physically located behind the alarm message area the system message 655 is issued when the device starts up Alarm message area ____ es Acknowledgement area C7 CPU gt C7 OP Acknowledgement via C7 CPU Figure 4 4 Pulse Diagram for Acknowledgement Area C7 CPU C7 OP If a bit is set in the alarm message area the CP OP sets the corresponding bit in the acknowledgement area If an alarm message is acknowledged at the C7 OP the corresponding bit is set in the acknowledgement area C7 OP C7 CPU In this way the S7 can recognize that the alarm message has been acknowledged The acknowledgement area C7 OP C7 CPU can have the same maximum length as the corresponding alarm message area Alarm message area ____ E Acknowledgementarea C7 OP gt C7 CPU Acknowledgement via C7 OP Figure 4 5 Pulse Diagram forAcknowledgement Area C7 OP C7 CPU C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication between the CPU and the Operator Panel Size of the Acknowledgement Areas The acknowledgement areas may not be larger than the corresponding alarm message area It can however be configured to be smaller if it is not necessary to acknowledge every alarm message Figure 4 6 clarifies this case Alarm message area Reduced alarm message Alarm messages acknowledgementarea that can be acknowledged Bit O Bito l es a fast ta Bit m Alarm messages
175. not reset the relevant control checkback bit in the interface area that unlocks the recipe mailbox There is no data record relating to the selected recipe on the data medium Check configuration Only 10 entries are permitted after pressing INS if 10th line already used Values can only be changed after update operation has been cancelled BREAK key Enter a value that is greater than or equal to the specified value No limit is indicated for data of the type DOUBLE Enter a value that is less than or equal to the specified value No limit is indicated for data of the type DOUBLE Change configured interface parameter A 9 System Messages Message 442 450 451 452 453 454 455 456 458 459 500 504 505 506 507 509 510 A 10 503 Cause Data block error x DB no y This message indicates a data block error The variables x and y identify the cause of the fault X and the number of the receive block concerned y Variable x 0O Incorrect block length entered in receive block no y 1 Incorrect block number entered in receive block no y When entering a value you have attempted to press a key that is not compatible with the defined input field You have entered a setpoint that is below the configured lower limit You have entered a setpoint that is above the configured upper limit Time not entered correctly Interface parameters incorrectly set
176. nstallation Reference Manual S7 300 and M7 300 Programmable Controllers Module Specifications Instruction List S7 300 Programmable Controller CPU 312 IFM 314 IFM 313 314 315 2DP C7 Documentation Package Contents Provides information on the topics Installation and installation guidelines for the C7 633 and C7 634 Connecting the C7 systems to a programming device and other devices Connecting an IM 361 interface module Features of the C7 and differences from SIMATIC S7 300 and SIMATIC Operator Panels Communication between the CPU and the OP Provides information on Functionality Device description Operating modes and how to operate the OP Detailed description of Configuring the mechanical and electrical structure Installation and wiring Preparing the S7 300 for commissioning Features and technical specifications of the S7 300 CPUs Describes the hardware of the S7 300 modules Analog modules Digital modules Interface modules Characteristics and technical specifications of the S7 300 modules List of instructions for the CPUs Brief description of the instructions and the execution times C7 633 C7 634 Control Systems C79000 G7076 C634 01 Preface Further There is a range of user manuals which are intended to be used selectively to Documentation support you with the programming expansion and configuration of a C7 control system The figure below and the explanations which follow should m
177. nterrupt after Yes No reaching the comparison value when counting up No or on zero transition when counting down No further parameters for external gate counter 16 bit Count input 2 Activate the count input and define the type of Standard Standard counting Interrupt Counter HW gate counter Define the count direction Up Up Down Set edge to be used for counting Rising edge Rising edge Falling edge Counter can trigger a hardware interrupt after Yes No reaching the comparison value when counting up No or on zero transition when counting down No further parameters for external gate counter 16 bit 8 10 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Universal Inputs Table 8 5 Parameter Block of the Count Inputs Parameter Explanation Value Range Default Setting Count input 3 Activate the count input and define the type of Standard Standard counting Interrupt Counter Frequency counter Period duration counter HW gate counter If counter activated then define the count direction Up Up Down If counter activated then define the edge to be used Rising edge Rising edge for counting Falling edge If counter activated then the counter can trigger a Yes No hardware interrupt after reaching the comparison No value when counting up or on zero transition when counting down If frequency counter selected then select the gate O 1s Is time for the frequency counting Is 10
178. odifying the user program for example variables Monitoring and modifying the CPU for example operating state memory reset compressing memory protection levels Reference manuals for programming with STL LAD or FBD e Basics of working with STL LAD FBD for example structure of STL LAD FBD number formats syntax e Description of all instructions in STEP 7 with sample programs e Description of the various methods of addressing in STEP 7 with examples e Description of all integrated functions of the CPUs e Description of the CPU internal registers Detailed description of e All organization blocks OB and their priority classes e All standard functions FC integrated in STEP 7 e All system functions SFC integrated in the operating system of a CPU Teaches the basic requirements for creating STEP 7 programs e Guide to the efficient solution of the programming task using a PC programming device and STEP 7 e How the CPUs work for example memory concept access to inputs outputs addressing blocks data types data management e Description of STEP 7 data management e Using the STEP 7 data types e Using linear and structured programming with program samples e Using block call instructions e Overview of using the STEP 7 applications for developing projects with detailedexample e Using test and diagnostics functions of the CPUs in the user program for example error OBs status word C7 633
179. of the communication partners will be required for this The number of communication partners that can be reached in succession within the station is not restricted The following SFCs are available for communication within a station Block Description SFC72 I GET With this SFC you can read a variable from a communication partner without having to place a corresponding SFC on the communication partner This function is performed in the communication partner by the operating system SFC73 I PUT With this SFC you can write a variable to a communication partner without having to place a corresponding SFC on the communication partner This function is performed in the communication partner by the operating system SFC74 I_ ABORT With this SFC you can cancel an existing connection explicitly without transferring variables This frees up the corresponding connection resources again on both sides For the above blocks addressing the communication partner is done via the module start address I O address configured in STEP 7 The maximum data area which can be read written as a contiguous field of data by the operating system in the S7 300 CPUs I_PUT I_GET is shown in the table below An array of the data types Byte Word and Double Word can be transferred consistently up to a CPU specific maximum length see table CPU 31x C7 CPU 412 CPU 413 CPU 414 CPU 416 8 bytes 32 bytes 32 bytes 32 bytes 32 bytes
180. og measuring circuit M Ground terminal of the C7 Uc Potential difference between inputs and Mana Ujso Potential difference between Mana and the M terminal of the C7 The isolated transducers are not connected with the local ground potential They can be operated free of potential Local conditions or interference can cause potential differences Ucy static or dynamic to occur between the measuring lines M of the input channels and the reference point of the measuring circuit Mana However this potential difference must not exceed the permissible value Where it is possible that the permissible value for UcM might be exceeded or where you cannot determine the difference in potential accurately you must connect AIx M to Mana Figure 7 1 shows the principle of connecting isolated transducers to an isolated analog input Alx X lt Alx M aes Alx x ADC 2 ransducers r4 AxM 9 C7 CPU Ucm Y MANA C7 5 n 2 JL Uiso 5 ri T Ground bus Figure 7 1 Connecting Isolated Transducers to an Isolated Analog Input C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O Non lsolated Transducers The non isolated transducers are connected on site with the ground potential Depending on local conditions or interference potential differences static or dynamic can occur between the locally distrib
181. on 7 6 3 Use the STEP 7 application Configuring Hardware for parameter assignment If a hardware interrupt is transferred from the I O to the C7 CPU the hardware interrupt OB OB40 is called in the C7 CPU The event which called OB40 is stored in the start information declaration section of OB40 You have to evaluate the additional information Z1 to Z3 in the start information The entries in the declaration section of OB40 are listed in Table 7 15 The bytes relevant to the user are hatched in the table Table 7 15 Declaration Section of OB40 Byte Meaning Meaning Byte O Class Identifier Eventnumber I 2 Priority class Current OB number 3 4 Data identifiers Z2 3 Data identifier Z1 5 6 Additional information Z1 7 8 Additional information Z2 9 10 Additional information Z3 11 12 Time stamp of event 13 14 15 16 17 18 19 Additional information Z1 contains the start address of the C7 I O module bytes 6 7 Address 272 or 01104 Bit 4 of byte 8 1 in the case of an end of cycle interrupt Additional information Z3 is not used and assigned the value 0000y The evaluation of hardware interrupts in the user program is described in the manual 234 C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 35 C7 Analog I O 7 7 Examples for Programming the Analog I O Overview The following examples for programming the analog I O will help to fami
182. ontroller is not a machine as defined in the EU Machinery Directive There is therefore no declaration of conformity for SIMATIC with regard to the EU Machinery Directive 89 392 EEC EU Machinery The EU Machinery Directive 89 392 EEC regulates requirements relating to Directive machinery A machine is defined here as an assembly of linked parts or 89 392 EEC components see also EN 292 1 paragraph 3 1 SIMATIC is part of the electrical equipment of a machine and must therefore be included by the machine manufacturer in the declaration of conformity procedure Electrical The EN 60204 1 standard Safety of Machinery Electrical Equipment of Equipment of Machines Part 1 Specificationfor General Requirements applies for electrical Machinery in equipment of machinery AN PAE wah The table below is designed to help you with the declaration of conformity and to show which criteria apply to SIMATIC according to EN 60204 1 as of June 1993 EN 60204 1 Subject Criterion Remarks Paragraph 4 Generalrequirements Requirements are met if the devices are mounted installed in accordance with the installation guidelines Observe the explanations on the previous pages Paragraph 11 2 Digital I O interfaces Requirements are met Paragraph 12 3 Programmable equipment Requirements are met if the devices are installed in locked cabinets for protection of memory contents against change by unauthorized persons Paragraph 20
183. or Indicators on the C7 CPU 0 000s eee eee 3 7 4 Communication between the CPU and the Operator Panel 4 1 Configured Communications Parameters 2 000 eee eee eee 4 2 4 2 Overview of User Data Areas 000 cece eee nee eee 4 3 4 3 Event and Alarm Messages 0000 e cece eee e eee teen eens 4 4 4 4 Keyboard and LED Image 4 4 1 System Keyboard Image 4 4 2 Function Keyboard Image 4 4 3 LED IMAQe sareei toni a hark aware edge E E hae eae C7 633 C7 634 Control Systems C79000 G7076 C634 01 xI Contents xii 4 5 Screen Number Area acc 4 0 ead adnn eared Meare end aard wang dea ates 4 6 User Versio ss serti anann dike atin aisnarea ae ahh ae duaate dune wang E aeees 4 7 Interface Area o g ccivnscee ed wid Geko heed ieee edseg Rebar REE We 4 7 1 Control and Checkback Bits 0 0 ccc ccc cece eee eee 4 7 2 Data Areas in the Interface Area 1 ees 4 8 PROGID OS esc hee tes teases cate ea ere Wek at catys e ae tae See Se 4 8 1 Transferring Data Records 000 e cece eee eens 4 8 2 Addressing Recipes and Data Records and the Requisite Data ArGaS sci actacdekad deed ads dienes bea ee doe ead eh ee 4 8 3 Synchronization during Transfer Normal Case 0005 4 8 4 Synchronization during Transfer Special Cases 0005 4 9 Notes on Optimization 0 0 nasienia eee 4 10 Control Jobs and Their Parameters 00 cec
184. ords Change mode from Loop through operation to Normal operation Check the physical connection Repeat uncompleted accessing operation If data records are stored in the Flash memory they will remain valid Change configuration and retransfer Check MPI station addresses and wiring A 11 System Messages Message 552 553 554 555 556 357 558 559 560 561 562 563 564 565 566 A 12 Cause Query safety check as to whether the selected data record is to be deleted The data record is only deleted if 0 is entered If not the function is cancelled Information message selected data record has been deleted Query Ist safety check as to whether the data medium for storing data records is to be formatted Any data records already on the disk will be deleted when the function is executed The function is only executed if 0 is entered Query 2nd safety check as to whether the data medium for storing data records is to be formatted Any data records already on the disk will be deleted when the function is executed The function is only executed if 0 is entered Information message disk has been formatted Query if 0 is entered the data record will be adopted with the new values If anything else is entered you may continue editing Query if 0 is entered the edited data record is rejected The data remain as they were before editing If anything else is
185. ot be entered in the buffer because the corresponding message or a message in the same acknowledgement group is missing Recipe request will not be processed as another request is already active Internal error S7 message task error Internal error Incorrect mailbox type C7 633 C7 634 Control Systems C79000 G7076 C634 01 Remedy Change configuration and retransfer Lengthen standard clock pulse or configure fewer variables on screen Check S7 programs Check message server configuration Change configuration and retransfer Check the interface parameters Configure fewer process links for the screen displayed Correct the limits and retransfer configuration Check PLC program C7 configuration Only use trend request area 2 for trends with switch buffer Change interface or configure area pointer Restrict the configuration Change configuration and retransfer A 17 System Messages Message 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 A 18 Cause Remedy Internal error Invalid mailbox type Internal error Incorrect operating mode Internal error Display status invalid No submenu configured Internal error No special operator object configured Internal error Menu number invalid Internal error Mailbox type of received message is incorrect Internal error The setting for the ma
186. output 7 1 0 Q1 0 Digital output 8 1 1 Q1 1 Digital output 9 1 2 Q1 2 Digital output 10 1 3 Q1 3 Digital output 11 1 4 Q1 4 Digital output 12 1 5 Q1 5 Digital output 13 1 6 Q1 6 Digital output 14 1 7 Ql1 7 Digital output 15 C7 633 C7 634 Control Systems 2 10 C79000 G7076 C634 01 Installation and Setup Guidelines for the C7 Analog Inputs X14 Table 2 3 Pin Assignments of the Analog Inputs Pin No Explanation All U Analog input 1 signal input for voltage All I Analog input 1 signal input for current AIl M Analog input 1 reference potential AI2 U Analog input 2 signal input for voltage AI2 I Analog input 2 signal input for current AI2 M Analog input 2 reference potential AI3 U Analog input 3 signal input for voltage AI3 I Analog input 3 signal input for current AI3 M Analog input 3 reference potential Al4 U Analog input 4 signal input for voltage AI4 I Analog input 4 signal input for current Not connected Not connected Not connected Analog Outputs X13 Table 2 4 Pin Assignments of the Analog Outputs Pin No Explanation Aol sid Analog output signal output for voltage current MANA Analog output reference potential AO2 Analog output signal output for voltage current MANA Analog output reference potential A03 Analog output signal output for voltage current MANA Analog output reference potential AO4 Analog output sign
187. ply Voltage and the Operating Mode Behavior of the Analog I O This section decribes e The dependency of the analog input and output values on the supply voltages of the analog I O and the operating modes of the C7 e The behavior of the analog I O depending on the position of the analog values in the respective value range e The influence of errors on the analog I O The input and output values of the analog I O are dependent upon the supply voltage of the analog I O and the operating mode of the C7 The triggering of a diagnostic interrupt is dependent upon the parameter assignment Table 7 12 gives an impression of these inter relationships Table 7 12 Dependencies Between Analog Input and Output Values upon the Operating State of the C7 and upon the Supply Voltage L Operating state of C7 Input value of the analog input Output value of the analog output POWER ON RUN Process value C7 value STOP Process value Substitute value or Retain last value configurable POWER OFF STOP 0 signal Influence of the Value Range on the Input The behavior of the analog input is dependent upon the position of the input values within the value range Table 7 13 illustrates this dependency for the analog input values Table 7 13 Behavior of the Analog Input Depending on the Position of the Analog Input Value in the Value Range Process Value lies in Input Value Diagnosti
188. potential of the analog measuring circuit Figure 7 3 shows the connection of voltage transducers to an isolated analog input Alx U oO Alx M o Alx U ADC __ gt O Alx M S C7 CPU Mana Figure 7 3 Connecting Voltage Transducers to an Isolated Analog Input 4 wire transducers possess a separate voltage supply Figure 7 4 shows the connection of current transducers as 4 wire transducers to a non isolated analog input Transducers e g pressure gauges Alx U on t a P Do Alx M o 24 Alx U ADC _ gt P 32 i Alx M 9 C7 CPU 5 m L M Figure 7 4 Connecting 4 Wire Transducers to a Non Isolated Analog Input C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O 7 3 Connecting Loads Actuators to the Analog Output Overview You can provide loads actuators with current or voltage using the analog output Cables for Analog To reduce electrical interference you should use twisted pair shielded cables Signals for the analog signals The shield of the analog signal cables should be grounded at both cable ends If there are potential differences between the cable ends an equipotential bonding current can flow over the shield This can interfere with the analog signals In such a case you should ground the shield at one end of the cable only Isolated Analog The analog output
189. present on the C7 for connecting it to other devices The connector assignments are listed in the following tables Functional ground RS 232 TTY serial interface X2 Input 24 VDC Author X1 W Figure 2 10 C7 633 DP and C7 634 DP View with Power Supply and RS 232 TTY SerialInterface 24 VDC Input X1 Pin No Explanation C7 Power 1 7 Suppl pply 2 M ground M24V 3 A authorization input 4 AI ground authorization input Note When connecting the power supply observe the information on the 24 V DC power supply listed in the Technical Specifications in Appendix B 1 C7 633 C7 634 Control Systems C79000 G7076 C634 01 2 13 Installation and Setup Guidelines for the C7 RS 232 TTY X2 Pin No Explanation Serial Interface 1 C7 ground reference potential 2 DRxM 3 RxD 4 TxD 5 CTS 6 DTxP 7 DTxM 8 C7 ground reference potential 9 DRxP 10 RTS 11 12 C7 ground reference potential 13 14 15 C7 ground reference potential Functional Ground Connect the functional ground terminal dy see Figure 2 10 to the cabinet ground using a cable lug and a cable with a minimum cross section of 4 mm2 taking the shortest route IM X5 Memory Card X6 MPI X3 Analog Input X14 Analog Output X13
190. put values will be erroneous since individual pulses will be suppressed by the input filter of 10 kHz The relative measuring discrepancy gets smaller as the period time increases These thresholds are applicable for a transducer that generates one pulse per revolution If you use transducers that generate several pulses per revolution then you must reconsider the threshold frequencies The counter value FF FF FFy indicates a shortfall of the lower threshold Diagnostic messages will not be generated in this case In order to use the universal input 3 as a period time counter this must also be assigned as such parameters This is performed with the STEP 7 application Configuring Hardware C7 633 C7 634 Control Systems C79000 G7076 C634 01 8 21 C7 Universal Inputs 8 2 7 External Gate Counter Gate Time Measurement Start Bit 16 Bit and 24 Bit Counters Default Value Counter Overflow 8 22 You can count pulses within a gate time with an external gate counter The counting direction is forwards The counting process starts at zero with a rising edge on the external gate pin and ends with a falling edge After the falling edge a hardware interrupt can be generated and the new count value is written to the output area Figure 8 6 illustrates gate time measurement with an external gate counter Overflow Upper count limit Current counter status Zero External gate pin ff EEE
191. r program CPU STOP mode FEPROMs correspond to the electrically erasable EEPROMs but can be erased much faster FEPROM Flash Erasable Programmable Read Only Memory They are used on the memory cards Flash EPROM Grounding with the sole purpose of ensuring the intended purpose of the electrical resources Function grounding has the effect of short circuiting interference voltages that would otherwise have an impermissible influence on the resources A function module FM is a module which relieves the CPU in the S7 300 and S7 400 programmable logic controllers of time critical and memory intensive process signal processing tasks Function modules generally use the internal communication bus for high speed data exchange with the CPU Examples for function module applications are counting positioning closed loop control C7 633 C7 634 Control Systems C79000 G7076 C634 01 Glossary G Ground Ground Verb H Hardware Interrupt Information Function Interrupt Isolated Conductive ground whose electrical potential at any point can be taken as zero In the area of grounding electrodes the ground can have a potential other than zero This is frequently referred to as the reference ground To connect an electrically conductive part with the grounding electrode one or more conductive parts that have very good contact to ground by means of a grounding point A hardware interrupt is triggered by inter
192. range DTR L PERCENT R LLL add offset DTR R RND convert floating point number to 32 bit integer T channel output result C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O Calling FC127 in OB1 An example for calling FC127 is described below Before calling the function the range limits and the setpoint must be reassigned to memory double words This is necessary to enable using variable values Normally upper limit and lower limit are fixed values the setpoint is variable This can be achieved by setting the upper limit and lower limit parameters in the declaration section of FC127 to REAL To enhance flexibility in a test environment this variant has been omitted Sequence of Statements in OB1 ORGANIZATION_BLOCK OB1 var_temp start_info array 0 19 of byte end_var BEGIN L 10 0 T MDO L 10 0 T MD4 L22 T MD8 CALL FC 127 lower limit MDO0 upper limit MD4 setpoint MD8 channel PQW272 END_ORGANIZATION_BLOCK C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 41 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Universal Inputs Chapter Overview Section 8 1 Description Universal Inputs 8 2 Use and Function of the Universal Inputs 8 2 1 Addressing Universal Inputs 8 2 2 Assigning Parameters to the Universal Inputs 8 2 3 Interrupt Inputs an
193. ration section of FC126 to REAL To enhance flexibility in a test environment this variant has been omitted Sequence of Statements in OB1 ORGANIZATION_BLOCK OB1 var_temp start_info array 0 19 of byte end_var BEGIN L10 0 T MD4 L 10 0 T MDO CALL FC 126 lower limit MD0 upper limit MD4 channel PIW272 actual value MD8 END_ORGANIZATION_BLOCK C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O 7 7 2 Block for Scaling Analog Output Values Function of Block Summary of Formulae FC127 Sequence of Statements The FC127 block is used to convert the setpoint to be specified in a memory double word as a floating point number to the corresponding hexadecimal pattern analog value which must be output to a peripheral output word For this purpose a simple calculation using the rule of three is programmed 1 First the setpoint is related to the total range RANGE_DEC resulting from the difference upper limit lower limit The result is a percentage of the absolute setpoint value This is identical in the floating point number and in the hexadecimal representation 2 Then the total range RANGE_HEX resulting from the difference UL LL is calculated in hexadecimal representation depending on whether the measuring range is unipolar or bipolar 3 Now the percentage PERCENT calculated before is related to the total hexadecimal range RANGE_HEX The result is th
194. re 4 9 Example of a C7 CPU Program C7 633 C7 634 Control Systems C79000 G7076 C634 01 4 31 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Communication Functions Chapter Overview Section Description Page 5 1 Introduction 5 2 5 2 Communication between C7 S7 Stations MPI Subnet 5 3 53 Communication within a C7 S7 Station 5 5 PROFIBUS DP or IM C7 633 C7 634 Control Systems C79000 G7076 C634 01 5 1 Communication Functions 5 1 5 2 Introduction The C7 offers the following methods of communication e Communication between C7 S7 stations The controller can exchange data with other stations in the MPI subnet via the multipoint interface and the communication functions X_SEND X_RCV X_GET X_PUT SFC65 SFC66 SFC67 SFC68 and global data e Communication within a C7 station The controller can read or write data to and from intelligent modules via the PROFIBUS DP interface or IM interface and the communication functions I GET SFC72 and I_PUT SFC73 S7 300 modules e g FM ih OO0o0000 200000 Oooo _ a 2000 ag 000 ooo oo oo mi IM 361 C7 ET 200 with 7 g e g FM 355 oeenn PROFIBUS DP C7 MPI S7 300 station cel oo These communication system functions SFCs are described below You wil
195. recipes Check interface parameters x 1 8 Change the configuration of the process link and retransfer x 9 13 Change configuration of area pointer and retransfer x 14 Restrict configuration and retransfer C7 633 C7 634 Control Systems C79000 G7076 C634 01 System Messages Message 668 669 670 671 672 681 682 683 684 685 701 702 703 704 705 706 707 708 Cause Incorrectconfiguration Meaning of variables 1 Incompatible PLC types configured 2 No PLC configured 3 Incorrect transmission rate configured Too many actual values gt 512 have been configured for cyclic reading in a screen variable Too many variables requested simultaneously Configuration of message variables incompatible Differences between configuration and PLC Message not configured Overload caused by too many variables setpoints actual values Fault in connection between the C7 and PLC Incorrect interface parameters configured Configuration error upper limit lower limit Non existent trend switch buffer requested Illegal job issued to send task for parallel interface Internal error Incorrect assignment of head gt res when receiving variable Job can not be executed Flash memory full Incorrect CPU specified under the menu command System Parameters button in the dialog box which appears An acknowledged message cann
196. rface Serial cable printer cable See catalog C7 Printer ST80 1 Serial cable transfer ProTool See catalog C7 lt gt PG PC ST80 1 IM 361 IM 361 cable C7 lt additional T O S7 300 2 16 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Installation and Setup Guidelines for the C7 2 5 Connecting a Programming Device PC to a C7 Procedure Cable Lengths C7 633 C7 634 Control Systems C79000 G7076 C634 01 You can connect the programming device or a PC to the multipoint interface MPI of the C7 using a preassembled programming device cable Alternatively you can make up the connecting cable yourself using the PROFIBUS bus cable and bus connectors Figure 2 13 shows the components required for connecting a programming device PC to a C7 C7 oo 00000000 0000000 gt Programming device cable RS 232 TTY Programming device cable MPI Figure 2 13 Connecting a Programming Device PC to a C7 PG PC The C7 operator panel is loaded via the RS 232 TTY interface The connection to the C7 CPU is made via the multipoint interface You will find information on the possible cable lengths and what you should observe when setting up an MPI or PROFIBUS DP network in the manual no 2 17 Installation and Setup Guidelines for the C7 2 6 Connecting a Programming Device PC to Se
197. rgin gives an overview of the contents of each section Following the appendices there is a glossary containing definitions of the important technical terms used in the manual At the end of the manual you will find a detailed index giving you fast access to the information you seek Standards The C7 control system conforms to the standards listed in Appendix B 1 C7 633 C7 634 Control Systems C79000 G7076 C634 01 vii Preface Further Support If you have any questions about using the C7 control systems described in this manual and cannot find an answer here please contact the Siemens representative in your area You can obtain a list of addresses of Siemens representatives worldwide from the SIMATIC Customer Support Hotline If you have any questions or comments on this manual please fill out the remarks form at the end of the manual and return it to the address shown on the form We would be grateful if you could also take the time to answer the questions giving your personal opinion of the manual ee C7 633 C7 634 Control Systems Vill C79000 G7076 C634 01 Preface SIMATIC Customer Open round the clock world wide Support Hotline S Ga Nuremberg SIMATIC BASIC Hotline Localtime Mo Fr 7 00 to 19 00 Phone 49 911 895 7000 Fax 49 911 895 7002 E Mail simatic support nbgm siemens de GMT 1 00 SIMATIC Premium Hotline Calls charged only with SIMATIC Card Ti
198. rogrammable Controller Quick Start 70 _ Manual S7 300 Programmable Controller Hardware and Installation 71 _ Reference Manual S7 300 and M7 300 Programmable Controllers Module Specifications 72 Instruction List S7 300 Programmable Controller 230 User Manual Standard Software for S7 Converting S5 Programs 232 Manual Statement List STL for S7 300 and S7 400 Programming 233 Manual Ladder Logic LAD for S7 300 and S7 400 Programming 235 Reference Manual System Software for S7 300 and S7 400 System and Standard Functions 236 Manual Function Block Diagram FBD for S7 300 and S7 400 Programming 280 Programming Manual System Software for M7 300 and M7 400 Program Design C7 633 C7 634 Control Systems C79000 G7076 C634 01 D 1 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Glossary C7 633 C7 634 Control Systems C79000 G7076 C634 01 Glossary 1 Glossary A Analog I O Assigning Parameters B Backup Battery Backup Memory Bus C7 C7 CPU C7 OP Glossary 2 The analog I O converts analog process values for example temperature into digital values that can be processed by the C7 CPU or converts digital values into analog manipulated variables Assigning parameters means setting the behavior of a module The backup battery guarantees that the user program in the C7 CPU is stored safe from power failures and that data areas bit memory timers and counter
199. rol Systems C79000 G7076 C634 01 C7 Analog I O Analog Output Table 7 5 provides an overview of the analog output parameters Parameters Table 7 5 Analog Output Parameters Parameter Analog Output Value Range Preset Value Basic setting e Enable diagnostic interrupt Yes No No Diagnostics e Enable Yes No No Configuration parameter assignment error Substitute value switched on Substitute value e Idle power and voltage value 0 Yes No Yes e Retain last value Yes No No e Global substitute value 9400y 6C00H 0 Output range e Type of output Deactivated Voltage Voltage Current e Output range 10V 10V 20 mA 4 to 20 mA C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 25 C7 Analog I O Parameter Characteristics of Analog Outputs 7 26 Table 7 6 shows which parameters e Are static or dynamic e Can be set Table 7 6 Parameter Characteristics of Analog Outputs Parameter Static Dynamic Effective Range Enable diagnostic interrupt Static Analog inputs Analog outputs Universal inputs Enable diagnostics Static Outputs Substitute value e Idle power and voltage Dynamic Outputs value 0 Dynamic Outputs e Retain last value Dynami Outp ts e Global substitute value Type of output Dynamic Outputs Output range Dynamic Outputs C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O 7 6
200. rostatic Discharge Damage C 4 Taking Measurements and Working on ESD Modules C 6 C 5 Packing Electrostatically Sensitive Devices 0000e000e C 6 C7 633 C7 634 Control Systems a C79000 G7076 C634 01 XIII Contents D Literature on SIMATIC C7 and S7 0 0c ccc eee eee RIGGS AY oosa anaa RAN ESAE E E ESE LC E E E E ee xiv C7 633 C7 634 Control Systems C79000 G7076 C634 01 Product Overview In This Chapter Accessories for Operating a C7 Control System C7 633 C7 634 Control Systems C79000 G7076 C634 01 This chapter introduces the different variants of the device A brief overview of the scope of functions of the device helps to give you a first impression of the C7 control systems In addition this chapter also explains which other components you can connect to a C7 control system To operate a C7 control system you will require the following accessories Programming device PG or PC with multipoint interface MPI An MPI cable A serial cable RS 232 TTY A 24 V power supply The following programs must be loaded on the programming device or PC The STEP 7 or STEP 7 Mini applications The configuration tool ProTool or ProTool Lite 1 1 Product Overview 1 1 Product Variants Overview The C7 devices are available in the following variants e 7 633 P C7 633 DP e C7 634 P C7 634 DP C7 633 P The C7 633 and C7 633 DP control systems have a SIMATIC
201. rrupt bit in the interface area it also sets the corresponding bit in the control and checkback bits You therefore need only scan this bit to detect a change in the cyclic interrupt bit Following evaluation the bit has to be reset in the S7 program Description of The following diagram shows the layout of byte n 1 Afterwards follows the Byte n 1 description of the individual bits Address n 1 7 6 5 4 3 2 140 C7 OP ready bit C7 OP operating mode C7 OP startup C7 633 C7 634 Control Systems C79000 G7076 C634 01 4 15 Communication between the CPU and the Operator Panel Description of Byte n 3 4 16 Bit 0 Bit 1 Bit 2 C7 OP startup 1 C7 OP has been started Bit 0 is reset by the C7 OP following startup You can reset the bit in the C7 CPU program and thus recognize when the C7 OP is being restarted C7 OP operating mode 1 C7 OP in offline mode 0 C7 OP in normal mode Bit 1 is set if the operator switches the C7 OP to offline The bit has a value 0 in an online condition C7 OP ready bit The C7 OP inverts the ready bit within second In the C7 CPU program you can recognize whether a connection to the C7 OP exists Byte n 3 serves to synchronize the transfer of data records and indirect variables The meanings of the individual bits are described below Exactly how the transfer works is described in Section 4 8 3 Bit 0 1 Data mailbox is disabled set only by the C7 OP Bit 1 Bit 2 Bit 3
202. rsion time channel 3 Y Conversion time channel 4 A Figure 7 19 Cycle time of an Analog Input If the interrupt cycle mode is assigned parameters the new measuring cycle is not started unless the time interrupt is initiated see Section 7 6 3 C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 31 C7 Analog I O 7 6 8 Conversion Cycle Settling and Response Times of Analog Outputs Introduction Conversion Time Cycle Time Settling Time Response Time 7 32 This section contains the definitions and relationships between relevant times for the analog outputs The conversion time includes the acceptance of the digitalized output values from the internal memory and the digital analog conversion The cycle time i e the elapsed time before an analog output value is next converted is equal to the time for the conversion of the analog outputs The settling time tz to t3 that is the elapsed time between the creation of the converted value and the attainment of the specific value at the analog output is load dependent You must differentiate between resistive capacitive and inductive load The response time that is the interval between providing the digital output value and attaining the specified value at the analog output is between 100 us and 2 ms C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O 7 6 9 Overview Influence of the Sup
203. rupt triggering modules as the result of certain events in the process The hardware interrupt is signaled to the C7 CPU Depending on the priority of the interrupt the corresponding organization block is then executed The information functions of the STEP 7 programming software permit the display of status information from the CPU for example information about memory space or cycle time statistics SIMATIC S7 recognizes 28 different priority classes which control the processing of the user program These priority classes include interrupts such as hardware interrupts When an interrupt occurs the relevant organization block is called automatically by the operating system in which the user can program the required reaction to the interrupt for example in a function block FB In isolated I O modules the reference potentials of the control circuit and the load circuit are electrically isolated by for example optocouplers relay contactors or transformers Input output circuits can be connected to common potential C7 633 C7 634 Control Systems C79000 G7076 C634 01 Glossary 5 Glossary Load Memory Memory Card Memory Reset MRES Memory Submodule MPI MPI Network Multipoint Interface Glossary 6 The load memory is part of a programmable module It contains objects created by the programming device load objects It can be either a plug in memory card or an integrated memory In SIMATIC M7 the loa
204. s 10 3 Dependencies and Reactions of the Diagnostic 10 8 Evaluation C7 633 C7 634 Control Systems C79000 G7076 C634 01 10 1 VO Diagnostics 10 1 Diagnostic Messages Overview Advantages Diagnostic Events C7 CPU I O Diagnostics Assigning I O Diagnostic Parameters 10 2 The C7 CPU possesses a diagnostic buffer in which detailed information is provided for all diagnostic events in the order of their occurrence The contents of the diagnostic buffer is preserved even after a memory reset on the C7 CPU The diagnostic entries in the diagnostic buffer can be read and interpreted by the user program Errors in the system can be evaluated after a long time delay using the diagnostic buffer in order be able to identify the cause of a STOP for example or to trace and assign the occurrence of individual diagnostic events Diagnostic events can be e Errors in an I O module e System errors in the C7 CPU e Change in operating modes for example from RUN to STOP e Program errors in the CPU program The I O diagnostics are divided into two groups e Standard diagnostics general malfunction of the C7 analog I O module and universal inputs e Module specific diagnostics The standard diagnostics are always entered into the diagnostic buffers of the C7 CPU after the occurrence of a diagnostic interrupt The requirement is that the module is able to diagnose The module specific diagnostics provide d
205. s No further parameters for period time counter No further parameters for external gate counter 24 bit Digital Inputs If the universal inputs are deactivated in the parameter block default setting then the inputs react as digital inputs However no automatically updated process image will be made available to the user program for these inputs The current state of the input can only be read by means of a direct T O access See Table 8 2 or 8 3 for address C7 633 C7 634 Control Systems C79000 G7076 C634 01 8 11 C7 Universal Inputs 8 2 3 Introduction to Interrupt Inputs Introduction to Counter Interrupts Assignable Events Hardware Interrupt OB Declaration Section of OB40 Additional Information Z1 8 12 Interrupt Inputs and Counter Interrupts If universal inputs are used as interrupt inputs then a hardware interrupt will be generated every time there is a corresponding assigned edge at one of the inputs The universal input counters can be assigned parameters for hardware interrupts In this case a forward counter triggers a hardware interrupt when it reaches the comparison value and a backward counter when it passes through zero The parameter assignment can be performed with STEP 7 application Configuring Hardware or with one of the system functions SFC55 to SFC58 If a hardware interrupt is sent from the I O to the C7 CPU then
206. s remain retentive The backup memory backs up memory areas of the CPU without the need for a backup battery The memory backs up a programmable number of timers counters bit memory and data block bytes A bus is a transfer medium that connects two or more nodes together Data transfer can be serial or parallel via electrical conductors or fiber optic cables The C7 control system integrates a SIMATIC S7 300 CPU a SIMATIC OP the possibility of connecting to the S7 300 I O for example via an integrated IM 360 and a communication connection for example ASi master PROFIBUS DP master slave The C7 CPU is the central processing unit for the C7 complete with processor arithmetic unit memory operating system and interfaces for programming devices The C7 CPU is independent of the gt C7 OP The C7 CPU has its own MPI address and is connected to the C7 OP via the MPI multipoint interface The C7 OP handles the OP functions It is independent of the gt C7 CPU and continues to operate for example if the C7 CPU goes into STOP mode The C7 OP has its own MPI address and is connected to the C7 CPU via the MPI multipoint interface It is via the MPI that the C7 OP is connected to a configuring computer programming device PC C7 633 C7 634 Control Systems C79000 G7076 C634 01 Glossary Communications Processor Complete Restart Configuration Memory Configuring CP Cyclic Interrupt D Diagnosti
207. se time analog output RS 232 TTY interface 2 14 RS 485 re peater 1 8 RUN 3 5 3 7 RUN P 3 5 S S7 300 CPU S7 400 CPU Screen number area 4 12 Screen selection control job Select contents control job 4 25 Select count edge 8 10 Select recipe control job 4 29 Select special screens control job 4 25 Set contrast control Set date control job 4 26 Set password level control job 4 27 Set time control job Settling time analog output 7 32 Index 5 Index SF Shielding 2 20 Shielding clips 2 22 SHIFT keys Sign conventions analog ranges 7 27 Signal modules SM 1 6 SIMATIC S7 alarm messages control jobs 4 17 date and time 4 15 event messages function keyboard image 4 10 images LED image 4 11 recipes 4 19 screen number area 4 12 system keyboard image transferring data records user version 4 13 SIMATIC S7 connection cyclic interrupt bits 4 15 SIMATIC S7 coupling control and checkback bits 4 15 coupling identifier date and time 4 17 job area 4 17 OP operating mode 4 16 OP startup 4 16 ready bit 4 16 SIMATIC TOP Connect Size labeling strips SLIDE633 DOC file SLIDE634 DOC file 2 2 Slot number 8 20 Spare parts Special screens screen number area 4 12 Start counter 8 15 State universal input Static parameter 7 21 Status display DI DO 3 6 Status indicator LEDs STOP Stop count
208. set the input responds like a normal digital input see Section 6 1 The only difference here is that the current process signal is not automatically given to the control program but must first be read in from the VO These universal inputs enable you to capture counter pulses up to a frequency of 10 kHz The counter can count either up or down You can also assign parameters to the count edge This enables you to count pulses within a programmed length of time From this you can calculate a frequency lt 10 kHz This function enables you to count fixed timer ticks between two positive edges From this you can calculate the duration of an interval period This function enables you to count pulses within a gate time that starts with a rising edge on the external gate pin and ends with a falling edge C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Universal Inputs Technical Specifications of the Universal Inputs Specific Data of the Universal Inputs Number of inputs 4 3 gate pins Cable length shielded 1000 m unshielded 600m Voltages Currents Potentials Nominal load voltage L 24 VDC Number of simultaneously 4 3 gate pins energizable inputs Galvanic isolation No Function Interrupts Diagnostics Interrupts Counter functions Max counter frequency Diagnostic function Counters e Principle e Counter range C1 C2 e Counter range C3 e Limit value setpoint specifi
209. sociation CSA acc to Standard C22 2 Number 142 FM approval FM standards No 3611 3600 3810 Class I Div 2 Group A B C D ISO 9001 certification of manufacture and development Operational ambient temperature e when mounted vertically through 455 e when mounted horizontally through 455 e storage transport tested to IEC 68 2 1 IEC 68 2 2 0 to 50 C 0 to 45 C 20 C to 70 C Relative humidity e operation e storage transport tested to IEC 68 2 3 5 to 95 at 25 C no moisture condensation 5 to 95 at 25 C no moisture condensation Air pressure e operation e storage transport 795 1080 hPa corresponds to 1000 m to 2000 m 660 1080 hPa corresponds to 1000 m to 3500 m Isolation yes digital inputs outputs analog inputs outputs not for universal inputs 500 V DC Supply voltage e rated voltage Vyn e permissible range e polarized input voltage e open circuit can be jumpered e current consumption Iy typ max e power loss Safety extra low voltage SELV 24 VDC 20 4 VDC to 30 2 VDC Note The C7 has no integrated protection against high energy glitches in ms range surges yes gt 20 ms 550 mA 1A 12 W Electromagnetic compatibility EMC e Limit class for emitted interference Class B to EN55022 corresponds to CISPR 22 B 2 C7 633 C7 634 Control Systems C79000 G7076 C634 01 Technical Spe
210. ss The OP sets bit 3 to 1 data transfer terminated The data record or the variable can be evaluated in the control program You then have to acknowledge in the control program whether the transfer was correct or faulty Correct bit 2 is set to 1 Faulty bit 1 is set to 1 Reset bit 0 in the control program The C7 OP resets the bits set in step 3 and step 4 C7 633 C7 634 Control Systems C79000 G7076 C634 01 4 21 Communication between the CPU and the Operator Panel 4 8 4 Synchronization during Transfer Special Cases Transfer C7 OP gt Make sure that the values of the data record are only read by the internal data C7 CPU medium The current values are not relevant to the data record transfer Initiated by C7 CPU z Step Explanation 1 In the control program request the data mailbox disable by setting bit 6 to L 2 If a disable is possible the C7 OP sets bit 0 to 1 and simultaneously resets bit 6 to 0 3 In the control program inform the C7 OP via the data mailbox which data record it should transfer To do this enter the identifications of the data record in the data mailbox 4 Set bit 4 to 1 request data via data mailbox in the control program The C7 OP reads the data mailbox 6 The C7 OP resets bit 4 and transfers the data record or the variable as described for case 1 from step 2 onwards Transfer Direct transfer from the C7 CPU
211. ss DI X4 lo Address 287 3 Byte 287 GATE 1 GATE 2 o GATE 3 o Pin number O Inputs marked with this hatching are not relevant to this example Figure 6 4 Digital I O Addresses C7 633 C7 634 Control Systems C79000 G7076 C634 01 6 9 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O Chapter Overview Section Description Page Val Analog Technology 7 2 7 2 Connecting Transducers to Analog Inputs 7 3 7 2 1 Connecting Voltage and Current Sensors 7 6 73 Connecting Loads Actuators to the Analog Output 7 7 7 4 Analog Input Function 7 10 7 4 1 Characteristics and Technical Specifications of the Analog Input Module T5 Analog Output Function 7 6 Use and Function of C7 Analog I O 7 18 7 6 1 Addressing the Analog I O 7 18 7 6 2 Timing of the Analog I O 7 19 7 6 3 Assigning Parameters to the Analog I O 7 21 7 6 4 Representation of Analog Values 7 6 5 Representation of Analog Values for the Measurement Ranges of the Analog Inputs 7 6 6 Representation of Analog Values for the Output Range of 7 30 the Analog Outputs 7 6 7 Conversion and Cycle Time of the Analog Inputs 7 31 7 6 8 Conversion Cycle Settling and Response Times of Analog Outputs 7 6 9 Behavior of the Analog I O 7 6 10 Time Interrupt Interrupt Cycle 7 35 TT Examples for Programming the Analog I O 7 36 7 71 Block for Scaling Analog Input Values 7 36 TAIZ Blo
212. supply 2L e gt 424V 2L ie Do o 0t00 7 2M Ground 3L je aL We gt 24V 3M pio 1 0 to 1 7 z Ground o Channel number o L PinNo O Ges Parts with this shading f are not relevant to this Pin No example Figure 6 2 Terminal Connection and Block Diagram of the Digital Outputs Connection of If the maximum permissible current is utilized for the load power supply Load Power both pins should be wired to avoid overloading of the contacts For relatively Supply low currents wiring of only one 24V pin is sufficient C7 633 C7 634 Control Systems 6 6 C79000 G7076 C634 01 C7 Digital I O Specific Data of the Digital Output Function Data for Selecting an Actuator Number of outputs 16 Cable length e Unshielded 600 m e Shielded 1000 m Voltages Currents Potentials Nominal load voltage L 24 VDC 0 5A Total current of the outputs per group e Upto20 C 4A e Upto45 C 2A Galvanic isolation Yes optocoupler e In groups of 8 Insulationresistance Urso 500 VDC Status Interrupts Diagnostics Interrupts Diagnostic functions No C7 633 C7 634 Control Systems C79000 G7076 C634 01 Output voltage e At l signal Output current e At l signal nominal value Permissible range e At 0 signal quiescent current Lamp load Parallel switching of 2 outputs e For logic operations e For enhancing performance Activating a digital input Max
213. t that maximum nesting level has been exceeded Screen can not be constructed or selected because there is not enough memory available Message 522 triggers a restart with memory optimization No text found Object class does not exist Illegal address Loop through operation is set on the C7 Access to recipe data is not possible at present Recipe does not exist File does not exist Data record not present Data record can not be loaded Information message data record memory is full Floppy connection unclear Information message disk is full Disk access error Disk transfer error Information message disk is blank Simultaneous accessing of data record by job and operator The data records in the RAM for recipe no x contained errors and have been deleted The maximum number of data records has already been created Specified variable not available on PLC An MPI PPI connection to the PLC cannot be established using the specified station address C7 633 C7 634 Control Systems C79000 G7076 C634 01 Remedy Change configuration and retransfer Change configuration and retransfer Change configuration and retransfer Go to Message Level by pressing ESC key ifnecessary You can optimize memory availability by 1 Removing unused fields from the configuration 2 Configuring the screen with fewer fields or splitting it into more than one screen 3 Creating fewer recipe data rec
214. tailed technical specifications of the digital inputs Bottom view of C7 0 0 0 0 1 1 Peal 2 __ Digital inputs 0 3 e 3 0 4 4 0 5 5 0 6 6 0 7 j 7 1 0 0 1 1 je 1 1 2 Jo 2 1 3 Jo 3 1 4 o 4 hy 1 5 Jo 5 24 V 1 6 Jo 6 l _ 1 7 o 7 F IL 24 V for DI Ea 1M Ground for DI JE TM Minternal Block diagram Channel number O Parts with this shading Ls bin are not relevant to this maxo example Figure 6 1 Terminal Connection and Block Diagram of the Digital Inputs C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Digital I O Specific Data of the Digital Input Data for Selecting a Sensor Number of inputs 16 Cable length e Unshielded 600 m e Shielded 1000 m Voltages Currents Potentials Nominal load voltage L 24 VDC Number of simultaneously 16 energizable inputs Galvanic isolation Yes optocoupler e In groups of 16 Permissible potential difference e Between the M terminals of the groups e Insulationresistance Urso 500 VDC Status Interrupts Diagnostics Interrupts Diagnostic functions Input voltage e Nominal voltage e For 1 signal e For 0 signal Input current e For 1 signal Input delay time e Programmable e At 0 to 1 e At 1 to 0 Inputcharacteristic Type of input in accordance with IEC 1131 Connection of 2 wire BEROs e Permissible quiescent current 2
215. ter e Value range e Granularity e Retentive 0 to 32767 hours 1 hour yes C7 633 C7 634 Control Systems C79000 G7076 C634 01 B 5 Technical Specifications for the C7 Built in configuration memory 128 Kbyte Flash 256 Kbyte Flash 128 Kbyte Flash 256 Kbyte Flash Display STN LC display LED backlighting e Operating life of approx 100 000 h approx 11 years backlighting e Number of lines x 4x 20 4x 20 8x 40 4x 20 4x 20 8x 40 characters per line selectable selectable e Line height 8 mm 11 mm 6 mm 8 mm 11 mm 6 mm Keyboard Membrane keyboard Membrane keyboard Membrane keyboard Membrane keyboard e Softkeys 4 8 4 8 e Function keys 16 16 16 16 Function keys that can be configured as softkeys 6 8 6 8 e System keys 24 24 24 24 e Number of LEDs of which 32 16 32 16 32 16 32 16 two color LEDs Event messages max 499 999 499 999 e Event message buffer max 256 entries e Page event messages max 256 Alarm messages 499 999 499 999 e Alarm message buffer max 256 entries No of variables in message text max 8 No of displays 99 Entries per display 99 Recipes max 99 e Recipe data memory 4 Kbytes 20 Kbytes 4 Kbytes 20 Kbytes e Data records per recipe max 99 e Entries per data record max 99 Semi graphics Symbols character sets According to character set 1 Dynamic objects Input output I O fields date time fields symbolic I O
216. terface MPI yes 2 nodes occupied per device 1x CPU 1x OP e No of nodes max 32 nodes programming device PC OP S7 300 per node max 4 active connections to programming device PC or OP e Transfer rate max e Distance between 2 187 5 Kbps neighboring nodes without repeaters 50 m with 2 repeaters 1100 m with 10 repeaters in series 9100 m via fiber optic cables 23 8km with star coupler or OLM e Connectable PG 720 720C PG 740 PG 760 PC AT with MPI connection programming devices e Guaranteed connections 1 for connection of programming device 1 for connection of operator panel 8 for program controlled communication e Free connections 2 for free programming device OP program controlled communication C7 633 C7 634 Control Systems C79000 G7076 C634 01 B 3 Technical Specifications for the C7 PROFIBUS DP interface Integrated external 1 CP342 5 via IM expansion CP342 5 via IM expansion e Transfer procedure e Transmission rate e Number of DP stations per master integrated or external interface e Address area per DP station PROFIBUS DP to DIN 19245 Part 3 DP master slave 12 Mbps 64 122 bytes inputs and 122 bytes outputs configurable in up to 32 address areas max 32 bytes per address area e Modules per ET200M e Master or slave 8 yes Programming Configuration PLC e Programming software e Programming languages STEP 7 STEP 7 Mini STL
217. the hardware interrupt OB OB40 will be called on the C7 CPU The event that called the OB40 is stored in the start information declaration section of the OB40 You must evaluate the additional information Z1 to Z3 in the start information The entries in the declaration section of OB40 can be found in Table 8 6 The bytes that are relevant to the user are hatched in the table Table 8 6 Declaration section of OB40 Byte Meaning Meaning Byte 0 Class Identifier Eventnumber 1 2 Priority class Current OB number 3 4 Data identifier Z2 3 Data identifier Z1 5 6 Additional information Z1 7 8 Additional information Z2 9 10 Additional information Z3 11 12 Time stamp of event 13 14 15 16 17 18 19 The start address of the C7 I O module is contained in the additional information Z1 byte 6 7 Address 272 or 01104 C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Universal Inputs Additional Information Z2 for Interrupt Inputs Additional Information Z2 for Counter Interrupts Additional Information Z3 Evaluation in the User Program The consecutive number of the universal input that triggered the hardware interrupt can be found in byte 8 of the additional information Z2 Byte 9 is irrelevant You can find the additional information broken down into bits in Figure 8 2 Byte 8 76543210 GE LL 0 0 0 0 1 1 when uni
218. the overflow messages will automatically be printed out Clear the buffer or configure a smaller size for the remaining buffer space If a printer is connected and buffer overflow has been configured the overflow messages will automatically be printed out Correct the limit settings Correct the scale on the C7 A 5 System Messages Message 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 A 6 Cause You can not switch to the desired operating mode Error transferring data record to PLC Function can not be executed as a function of the same group has not yet been completed e g setpoint entry is active password list can not be opened Access to data medium is not possible The disk must be formatted before a data record can be saved for the first time Not enough space on disk for this data record Not enough system memory available to execute the desired function Data record has been stored with a different version stamp than defined in the current configuration A parameter record has been selected as a recipe Parameter records can not be edited directly Transfer of a data record to the PLC is taking too long Example PLC is not acknowledging data record or very large data records are being transferred Operating mode of PLC does not match the configuration The data in this data record are no longer consistent and it can
219. to the C7 OP always takes place without C7 CPU C7 OP coordination The values are read directly from the address Variables without Initiated by addresses are ignored C7 OP Transfer The values are written from the C7 CPU into the internal data medium C7 CPU C7 OP Initiated by C7 CPU Step Explanation 1 In the S7 program request the data mailbox disable by setting bit 6 to 1 2 If a disable is possible the C7 OP sets bit 0 to 1 and simultaneously resets bit 6 to 0 3 In the S7 program inform the C7 OP via the data mailbox which data record it should fetch by entering the recipe number and data record num ber in the mailbox 4 Set bit 5 to 1 C7 OP is to read data mailbox When the C7 OP has fetched the data record it sets bit 7 to 1 C7 OP has read data mailbox By setting bit 7 the C7 OP specifies that the read pro cess is terminated 6 Set bit 7 to 0 Transfer Using A data record can be transferred from the C7 OP to the C7 CPU via control Control Jobs job No 70 Control job 69 initiates transfer from the C7 CPU to the C7 OP C7 633 C7 634 Control Systems 4 22 C79000 G7076 C634 01 Communication between the CPU and the Operator Panel 4 9 Notes on Optimization Decisive Factors The structure of the user data areas described in Section 4 3 and the configured polling times in the area pointers are significant factors for the update times that can actually be achieved The update time
220. tomaticrestart Restart after change of S5 S7 protocol Restart following selection of different language Startup due to loop through operation when online Startup due to loop through operation when offline SINEC L1 or SINEC L2 parameter has been changed Restart due to offline operation PLC not responding Check program sequence on PLC Check physical connection C7 633 C7 634 Control Systems C79000 G7076 C634 01 System Messages Message 138 200 201 202 203 204 205 206 207 210 212 213 214 217 218 219 220 221 222 224 225 227 229 230 231 Cause Data block not available on PLC Battery power no longer sufficient for internal data buffer on C7 Battery on memory card is discharged data may no longer be readable Hardware fault in timer Error reading date Error reading time Error reading day Printer not ready and internal storage of print jobs is no longer possible Printer not ready Print job placed in temporary storage Buffer printout or print screen function cancelled Internal error C7 co ordination area not receivable during startup Internal error Bit for changing operating mode has been inverted erroneously Offline mode not possible at present The job number sent by the PLC or configured in a function field is too large Overlapping specified actual values Hardware fault relay or port could not be set Print buffer overflow
221. u can use to influence the characteristics of the analog input module The following measurement types are available on the analog input module e Voltage measurement e Current measurement The measurement ranges are e Voltage 10V e Current 20mA 4 to 20mA For the current range 4 to 20 mA a current of lt 1 6 mA is interpreted by the software as a wire break Measurement ranges for current measurement with 4 wire transducers e 20mA e 4to 20mA C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O 7 4 1 Characteristics and Technical Specifications of the Analog Input Module Characteristics The analog input module has the following characteristics e 4 inputs e Measured value resolution 12 bits incl sign e Measurement type selectable Voltage Current e Choice of measurement range per input e Configurable diagnostics e Configurable diagnostic interrupt e Configurable interrupt cycle e Isolated C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 11 C7 Analog I O Terminal Figure 7 7 shows the terminal connection diagram of the analog inputs Connection Diagram View of right hand side of C7 oO Analog inputs Voltage measurement Current measuremt e Al1 U EO a a e Alt T 3 8 a6 Al1 M 4 4 3 o Al2 U p cy eel fel az o KO e 6 S e Al2 M 7 7 3 e Al3 U ac g J p As O G AI3 M o Al4 U T e w O Al4M 12
222. unicates with other nodes via a network The node number is assigned to the CPU or the programming device using the S7 Configuration application In non isolated I O modules the reference potentials of the control circuit and the load circuit are electrically connected A collective term for all functions which in conjunction with the hardware control and monitor the execution of the user programs the distribution of the operational equipment among the individual user programs and the maintenance of the operating mode for example MS DOS 1 A parameter is a variable in a STEP 7 logic block see block parameter actual parameter formal parameter 2 A parameter is also a variable for setting the behavior of a module one or more per module Every programmable module has a basic parameter setting when it is shipped from the factory but this can be changed by configuring the hardware There are two types of parameters static and dynamic parameters Dynamic parameters of modules in contrast to static parameters can be changed by the user program during operation by calling an SFC in S7 and by calling a function in M7 for example limit values of an analog input module Static parameters of modules in contrast to dynamic parameters cannot be changed by the user program but only by configuring the hardware for example the input delay of a digital input module Programming device Programmable logic controller
223. up down counter or external gate counter UL Digital interrupt input 24 V DC or up down counter or frequency period duration counter or external gate counter UI4 Digital interrupt input 24 V DC Isolation No Input voltage e Rated value 24 V DC e With signal 1 11 to 30 V e With signal 0 3toS V Input current with signal 1 typ 2 to 8 mA Cable lengths e Unshielded 600 m e Shielded 1000 m C7 633 C7 634 Control Systems C79000 G7076 C634 01 B 7 Technical Specifications for the C7 Counter frequency max 10 kHz Counters max e Principle e Count range C1 C2 e Count range C3 e Limit value nominal default e Count interrupt up counter e Count interrupt down counter e Enable 3 Edge counting up 0 to 65535 down 65535 to 0 up 0 to 16777215 down 16777215 bis 0 1 value per counter On reaching the limit value On reaching 0 Within the program Period duration counter max e Principle e Count range e Period duration max 1 Counting fixed time units between two positive edges 0 to 16777215 8 388 s or 0 119 Hz Frequency counter max e Principle e Count range e Gate width 1 Counting pulses within a timer period 0 to 16777215 0 1 s 1 s 10 s selectable External gate counter max e Principle e Count range C1 C2 e Count range C3 Input range selectable input resistance 3 Counting edges within a gate time via
224. usly PQB287 Generate hardware interrupt and reset counter Requirement is that the option hardware interrupt yes has been assigned for the counter When counting direction is forwards if count value comparison value When counting direction is backwards if count value zero C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Universal Inputs 8 2 5 Overview Application Frequency Calculation Measurement Period Example of Frequency Calculation Frequency During First Measurement Period Frequency Counters The universal input 3 assigned as frequency counter provides you with the option of continuously counting identical edges within an assigned time period for a frequency lt 10 kHz Calculation of high frequencies The frequency is calculated from the measured value and the assigned measurement period The signal to be measured is to be connected to the universal input 3 see Sections 8 2 1 and 8 2 2 of the C7 The frequency counter counts the rising edges of the signal to be measured within the assigned time period From this the user program can derive the actual frequency using the following formula Number of positive edges Measurement period Frequency You can assign parameters for the measurement period using the STEP 7 application Configuring Hardware You can choose between the measurement periods 0 1 s 1 s or 10 s The measurement process is imm
225. ustrates the precautions for handling electrostatically sensitive devices Conductive flooring material Table with conductive grounded surface Anti static shoes Anti static coat Grounded ESD wristband Grounded connection of cabinet Grounded chair oro aod ww C7 633 C7 634 Control Systems C79000 G7076 C634 01 C 5 Guidelines for Handling Electrostatically Sensitive Devices ESD C 4 Taking Measurements and Working on ESD Modules Use Grounded Measurements may be taken on electrostatically sensitive devices only if Measuring Devices Only The measuring device is grounded for example via protective conductor or e The tip of the isolated measuring device has previously been discharged before use for example by briefly touching grounded metal parts C 5 Packing Electrostatically Sensitive Devices Using Conductive Always use conductive materials for packing modules without a casing and Material for components You may also use metal clad plastic boxes or metal containers Packing Modules Always store ESD modules in conductive packing material without a Casing Cover Batteries When packing modules incorporating batteries cover the battery connections with insulating tape or insulating material to avoid short circuiting the battery Remove the battery if possible C7 633 C7 634 Control Systems C 6 C79000 G7076 C634 01 Literature on SIMATIC C7 and S7 D 30 Primer S7 300 P
226. uted measuring points To prevent these potential differences you must provide equipotential bonding conductors between the measured value points In addition potential differences Uc static or dynamic can arise between the measuring lines AIx M of the input channels and the reference point of the measuring circuit Mana However these potential differences must not exceed the permitted value Where it is possible that the permissible value for Ucp might be exceeded or where you cannot determine the difference in potential accurately you must connect AIx M to Mana Figure 7 2 shows the principle of connecting non isolated transducers to an isolated analog input Alx X Non isolated Alx M transducers L Alx X ADC gt U MANA C7 Ae Uiso AES L 2 M Ground bus Figure 7 2 Connecting Non Isolated Transducers to an Isolated Analog Input C7 633 C7 634 Control Systems C79000 G7076 C634 01 7 5 C7 Analog I O 7 2 1 Connecting Voltage and Current Transducers Abbreviations and Mnemonics Connecting Voltage Transducers Connecting Current Transducers as 4 Wire Transducers 7 6 The abbreviations and mnemonics used in Figures 7 3 to 7 4 have the following meanings AIx X Measuring line AIx I or AIx U AIx M Reference potential of the measuring line Mana Reference
227. uts 7 20 The duration of the output cycle does not depend on the number of activated analog output channels This is always constant and deactivated channels do not reduce the output cycle toutput cycle 4 X t conversion time of a channel Const D A conversion of the channels Output time Output time Output time of a channel of a channel of a channel Output cycle Figure 7 14 Output Cycle when All Analog Output Channels are Activated D A conversion of the channels AO1 AO3 AO4 AO1 AO2 AO2 Output time Deactivated Output time Output time of a channel channel of a channel of a channel Output cycle Figure 7 15 Output Cycle when Analog Output Channel 2 is Deactivated C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Analog I O 7 6 3 Assigning Parameters to the Analog I O Overview Parameter Assignment Assignment of Parameters for Characteristics This chapter contains an overview of the analog I O and their parameters You set the parameters for the analog I O using the S7 application Configuring Hardware A parameter block is generated that contains all the currently selected I O parameters After loading this parameter block the parameters are not immediately transferred to the analog I O The C7 CPU then transfers the parameters to the analog I O after every operating mode change from STOP RUN Alternatively you can also change some paramet
228. veral Nodes Overview Fixed Installation of Programming Device PC 2 18 When you connect a programming device or a PC to several nodes you must differentiate between two types of configuration Fixed installation of the programming device or PC in the MPI network A programming device or PC connected for startup and maintenance purposes Depending on the type you require connect the programming device or PC to the other nodes as follows Configuration Type Connection Fixed installation of the programming The programming device PC is linked device PC in the network directly into the MPI network Programming device PC connected for The programming device PC is connected startup and maintenance to one node via a spur line With fixed installation of a programming device or PC in the MPI network you connect the programming device PC via bus connectors directly to the other nodes in the MPI network Figure 2 14 shows a C7 network with two C7s The C7 devices are connected together by means of a PROFIBUS bus cable o Lro oa OO000000 ooooo0o0 cy Oooo q ik 0000 m_m o oo oo PG PC PROFIBUS bus cable g ronm oo 00000000 00000000 0000 m q 0000 m_m o Oooo oo MPI
229. versal input 1 has triggered hardware interrupt 1 when universal input 2 has triggered hardware interrupt 1 when universal input 3 has triggered hardware interrupt J when universal input 4 has triggered hardware interrupt Figure 8 2 Additional Information Z2 The consecutive number of the universal input that triggered the hardware interrupt can be found in byte 8 of the additional information Z2 Byte 9 is irrelevant You can find the additional information broken down into bits in Figure 8 3 Byte 8 76543210 0 0 0 O oj ojojo 1 1 1 E i when counter input 1 has triggered hardware interrupt 1 when counter input 2 has triggered hardware interrupt 1 when counter input 3 has triggered hardware interrupt Figure 8 3 Structure of Additional Information Z3 in Declaration Section of OB40 Additional information Z3 is not used and is set to 00004 The evaluation of hardware interrupts in the user program is described in the manual 280 C7 633 C7 634 Control Systems C79000 G7076 C634 01 8 13 C7 Universal Inputs 8 2 4 Counters Counter Actual Value of Counter Counting Up Counting Down Exceeding the Threshold Frequency ZN 8 14 The counter calculates the actual value of the count from the count pulses up or down You can assign parameters with the STEP 7 application Configuring Hardware or with the system functions SFC55 to SFC58 to defi
230. ware for programming SIMATIC programmable controllers The Random Access Memory or RAM is a read write memory in which each memory location can be addressed individually and have its contents changed RAM is used as a memory for data and programs The reference ground is the total of all connected conductive inactive parts of an operating resource that cannot carry a hazardous touch voltage even in the event of a fault Potential from which the voltages of the connected circuits are considered and or measured C7 633 C7 634 Control Systems C79000 G7076 C634 01 Glossary S Scan Cycle Time Signal Module STEP 7 STEP 7 Application Substitute Value System Diagnostics System Memory T Time Delay Interrupt The scan cycle time is the time the CPU takes to run the user program once through The scan cycle time for analog modules is the time in which all the channels input and output channels are converted and the next conversion can start Signal modules SM form the interface between the process and the programmable controller There are digital input modules output modules and in out modules and analog input modules output modules and in out modules Programming software for creating user programs for SIMATIC S7 programmable controllers A STEP 7 application is a tool of STEP 7 which is tailored to a specific task Substitute values are values which are output to the process in the case of faulty s
231. wing program example the universal inputs are assigned parameters as follows Ul counter C1 UI2 counter C2 UB counter C3 UI4 standard digital input not used in the example The three counters are assigned parameters as follows Interrupt yes Counting direction up Edge rising Execution of block OB100 1 First all three counters are stopped on startup This is necessary so that the counter will start counting from zero after a complete restart If this is not required that is if the counter must continue after a restart with its old value the counters must not be stopped 2 After a waiting time of about 10 ms a comparison value is written for each counter This waiting time is required so that the STOP command for the counters can become effective on the C7 module In the complete restart OB OB100 the times are not critical since the cycles are not monitored 3 Immediately after the comparison value has been written the comparison values are declared valid and the counters are started 4 OB1 The counter values can be read cyclically in OB1 The counter status bits are evaluated to ensure that the counters are active OB1 is ended if not all counters are activated If all counters are active the read counter values are reassigned This is an optional feature which can be useful for specific applications If the same value must always be used within an OB1 cycle re assignment is recommended for example in
232. wners Copyright Siemens AG 1998 All rights reserved The reproduction transmission or use of this document or its contents is not permitted without express written authority Offenders will be liable for damages All rights including rights createdby patent grant or registration of a utility model or design are reserved Siemens AG Bereich Automatisierungs und Antriebstechnik Geschaeftsgebiet Industrie Automatisierungssysteme Postfach 4848 D 90327 Nuernberg Disclaimer of Liability We have checked the contents of this manual for agreement with the hardware and software described Since deviations cannot be precluded entirely we cannot guarantee full agreement However the data in this manual are reviewed regularly and any necessary corrections included in subsequent editions Suggestions for improvementare welcomed Siemens AG 1998 Subject to change without prior notice Siemens Aktiengesellschaft C79000 G7076 C634 Preface Purpose of the Manual Where is this Manual Valid Audience and Requirements C7 Documentation Package This manual provides you with a complete overview of the C7 633 P C7 633 DP C7 634 P and C7 634 DP control systems It offers support for the installation and commissioning of these systems outlines the possibilities for connecting other devices and introduces the components required for this This manual is valid for the following device variants C7 Order Number C
233. ximum number of messages is too high variable overflow Internal error Incorrect message status when entering in statistics Internal error Incorrect message status when entering in event message buffer Internal error Incorrect message status when entering in alarm message buffer Internal error Error reading messages from message buffer Internal error Configuration message error Internal error Incorrect mailbox type received OP15 gt OPS Internal error Change area pointer list OPS more than 500 messages are specified in the area pointer lists Internal error Mailbox type not implemented Internal error Block number does not exist Internal error Incorrect mailbox type C7 633 C7 634 Control Systems C79000 G7076 C634 01 System Messages Message 727 728 729 731 732 733 734 735 736 737 738 739 740 741 742 743 Cause Remedy Internal error Illegal screen type Internal error Return reference number incorrect Internal error Error in internal mailbox buffer management for direct message logging Internal error Transfer parameter LEDSTATUS is incorrect in RIO function Change LED Status Internal error Key number can not be higher than 7 15 23 8 key 16 key 24 key keyboard Internal error Key number must be less than 4 as a maximum of 4 keys is possible Internal error The submodule number must be 0 Int
234. y additional connected modules C7 633 C7 634 Control Systems C79000 G7076 C634 01 Installation and Setup Guidelines for the C7 z Rack 3 O o o o o Slot number IM 361 3 4 5 6 7 8 9 10 11 368 connecting cable z Rack 2 O ojo mj o o o Slot number IM 361 3 4 5 6 7 8 9 10 11 368 connecting cable 2 Rack 1 O ia o o o Slot number IM 361 3 4 5 6 7 8 9 10 1i 368 connecting cable Slot number 2 3 4 5 only for C7 63x P Figure 2 18 Maximum Configuration of the Slots of a C7 C7 633 C7 634 Control Systems C79000 G7076 C634 01 2 25 Installation and Setup Guidelines for the C7 2 11 Configuring an MPI and PROFIBUS DP Network You can integrate the C7 devices in an MPI network via the MPI and
235. you Automotive Chemical Electrical Machinery Food Instrument and Control Nonelectrical Machinery CO OG Go Petrochemical C7 633 C7 634 Control Systems C79000 G7076 C634 01 OOoddo Pharmaceutical Plastic Pulp and Paper Textiles Transportation Other Remarks Form Your comments and recommendations will help us to improve the quality and usefulness of our publications Please take the first available opportunity to fill out this questionnaire and return it to Siemens Please give each of the following questions your own personal mark within the range from very good to 5 poor Do the contents meet your requirements Is the information you need easy to find Is the text easy to understand Does the level of technical detail meet your requirements le es Ea Please rate the quality of the graphics tables Additional comments C7 633 C7 634 Control Systems 2 C79000 G7076 C634 01
236. z then the correct function of the universal inputs can no longer be guaranteed since count pulses will be lost With relatively constant frequencies the resolution of the measurement is higher if you set a longer measurement period Table 8 8 displays the resolution of the measurement according to the configured measurement period Table 8 8 Resolution of the Measurement Measurement Resolution Example of Frequency Period Count Value During Calculated First Measurement 0 1s Frequency can be calculated in 900 T9000 Hz 10 Hz increments 901 9010 Hz Is Frequency can be calculated in 900 900 Hz 1 Hz increments 901 901 Hz 10s Frequency can be calculated in 900 90 Hz 0 1 Hz increments 901 90 1 Hz The frequency meter calculates the frequency in longer intervals This means that with long measurement periods an updated frequency value is more seldom available If the frequency continuously changes then only average values are available Due to the principle of measurement the measurement error increases with a reduction in the measured frequency C7 633 C7 634 Control Systems C79000 G7076 C634 01 C7 Universal Inputs 8 2 6 Period Time Measurement Overview Application Principle The universal input 3 can be assigned as period time counter This universal input reads pulses from a transducer The transducer could for example be fitted to the barrel extruder of an injection mou

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