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S7-PLCSIM V5.2 - Oskon Otomasyon

1. e Watch the title bar of the Record Playback dialog box It should display a numeric value that increments each time you record or play back an event If you are satisfied with your recording remember to save it by using the Save Event File button before you close S7 PLCSIM Troubleshooting Tips tried to record events but when The Play D button is de activated and could not find the events recorded a series of cannot remember which event file contains the sequence of events that want to play back Change the mode of S7 PLCSIM from STOP to RUN You can record events in STOP mode provided that you had previously been recording in RUN mode All events recorded in STOP mode have a Delta value of zero Therefore when you play back the recording all the events that you recorded during a single scan are displayed in such rapid succession that they appear to occur simultaneously You must have an open event file before you can play back the recording of the events Use the Open Event File button to select and open an event file If you close S7 PLCSIM without saving the recorded events in an event file your work is lost Use the Save Event File button to save your work before you close S7 PLCSIM Check the status bar of the Record Playback dialog box to see what mode it is in If it says Playing watch the title bar to see when a numeric value appears When events are played back a counter in the ti
2. due to a time jump OB80_FLT_ID BYTE Error code B 16 05 on return to run after OB80 FLT ID BYTE Error code B 16 06 hold For further information reference STEP 7 Help on Organization Blocks OB80 STEP 7 Help The SIMATIC System Software for S7 300 400 System and Standard Functions Reference Manual 44 Error and Interrupt OBs Diagnostic Interrupt OB82 This dialog box allows you to test the program that you downloaded in OB82 Diagnostic Interrupt Note that in order for you to use this OB menu command Execute gt Trigger Error OB gt CPU Diagnostic Interrupt OB82 you must first have made any necessary modifications to your hardware configuration and downloaded your I O configuration Default Tests Optional In this drop down box choose from the list to set the fault conditions for the desired test automatically For all fault conditions the event class OB82_EV_CLASS is set to B 16 39 incoming event and OB82_FLT_ID uses the error code B 16 42 If no fault condition is selected Module Ok the event class is set to B 16 38 outgoing event The parameters that you select with this dialog box are passed to the following variables when the OB is called Module Address Parameter The module address is the logical base address of the module that triggers the interrupt It is the first input if any otherwise it is the first output address Example PIB 0 Parameter Variable Data Type Module address OB82
3. window click or select the menu command Window gt Cascade E Tile Ordered Command To arrange the S7 PLCSIM view objects side by side with the CPU view object in the top left ed click or select the menu command Window gt Tile Ordered Arrange Icons Command The menu command Window gt Arrange Icons arranges all minimized view objects view object icons along the bottom edge of the S7 PLCSIM window 1 2 3 9 Command You can activate an open view object by selecting it from an alphabetical list in the Window menu Select the number that corresponds to the desired view object The currently active view object is indicated by a check mark If you have more than 9 view objects open you can select More Windows to see a dialog box with a complete list 63 Reference Information Help Menu The S7 PLCSIM Help menu contains the following commands Contents Command The menu command Help gt Contents opens the Contents screen of the S7 PLCSIM Help From the table of contents you can expand any book and click any topic to view help on S7 PLCSIM Introduction Command The menu command Help gt Introduction opens a Help topic that gives a general overview of S7 PLCSIM and the tasks you can perform with it Getting Started Command The menu command Help gt Getting Started opens a Help topic that helps you get started when you begin working with S7 PLCSIM for the first time Using Help Command The menu c
4. SFC81 SFC82 SFC83 SFC84 SFC87 SFC102 SFC103 SFC105 SFC106 SFC107 SFC108 SFC126 and SFC127 are NOPs do not perform any operation You do not need to modify a program that calls a NOP OB1 free cycle OB10 to OB17 time of day interrupt OB20 to OB23 time delay interrupt OB30 to OB38 cyclic interrupt OB40 to OB47 hardware interrupt OB55 status interrupt OB56 update interrupt OB57 manufacturer specific OB61 to OB64 synchronous cycle interrupt interrupt OB70 I O redundancy error OB72 CPU redundancy error OB73 communication error OB80 time error OB81 power supply error OB82 diagnostic interrupt OB83 insert remove interrupt OB84 CPU hardware fault OB85 priority class error OB86 rack failure OB87 communication error OB88 processing interrupt OB90 background OB OB100 warm restart OB101 hot restart OB102 cold restart OB121 programming error OB122 I O access error Note that OB55 OB56 OB57 OB61 OB62 OB63 OB64 OB81 OB84 OB87 OB88 and OB90 are NOPs do not perform any operation You do not need to modify a program that calls a NOP Product Overview In addition S7 PLCSIM provides the following features e A button on the SIMATIC Manager turns the simulation on or off Clicking on the simulation button opens the S7 PLCSIM software with its simulated CPU When S7 PLCSIM is running any new connection goes automatically to the simulated CPU e The simulated PLC runs prog
5. execution of the program at the instruction where the program was halted Any change that you make with a view object immediately updates the contents of the memory location The CPU does not wait until the beginning or end of the scan to update any changed data Execution control options allow you to select how the CPU runs the program e Single Scan executes the program for one scan and then waits for you to start the next scan e Continuous Scan executes the program like a real PLC it starts a new scan immediately after the previous one finishes 21 Basic Tasks Using Interrupt OBs in Your Program You can use S7 PLCSIM to test how your program handles different interrupt OBs S7 PLCSIM supports the following e OB40 to OB47 hardware interrupt e B70 I O redundancy error 417 H systems only e OB72 CPU redundancy error 417 H systems only e OB73 communication redundancy error 417 H systems only e OB80 time error e OB82 diagnostic interrupt e OB83 insert remove module e OB85 priority class error e OB86 rack failure Use the menu command Execute gt Trigger Error OB to select a specific OB and enter the header information in the dialog box When you click the OK or Apply button the simulated PLC generates the appropriate event and runs the program in the associated OB The OBs that are available to be triggered from the Trigger Error OB menu depend on the I O configuration for the simulat
6. input and output variables you can access the peripheral input Pl and peripheral output PQ memory areas of the CPU e Process image input and output variables you can access the input I and output Q memory areas of the CPU The CPU overwrites the memory with the PI memory at the beginning of every scan If you change an memory value the simulator immediately copies the changed value to the peripheral area This way the desired change is not lost when the peripheral value overwrites the process input value on the next scan e Bit memory you can access the variables stored in the bit memory MI area of the CPU e Timers and counters you can access the timers and counters used by the program e Data blocks you can access the data stored in the data blocks of the program for example DB1 DBX 0 0 or DB1 DBW 0 The CPU reacts immediately to any changes made with this view object Any modifications made with a STEP 7 variable table take effect at the proper time in the CPU scan inputs are read at the beginning of the scan and outputs are written at the end You can choose the numeric data format for the generic variable and you can also use symbolic addressing if you have attached symbols Vertical Bits Variable View Object To add this view object to a simulation do one of the following e Choose the menu command Insert gt Vertical Bits e Click the Insert Vertical Bits button The Vertical Bits view object allows you to s
7. Attach Symbols to use symbolic addressing in your simulated program This menu command invokes a dialog box where you can choose the STEP 7 symbol table to be referenced Once you have attached a symbol table you can use the Show Symbols Reference Data and Symbol Data options Show Symbols Select the menu command Tools gt Options gt Show Symbols to display the symbolic addresses used in your program To hide the symbols select the command again This menu command is only available when a STEP 7 symbol table has been attached to the simulated program using the Attach Symbols option Reference Data Select the menu command Tools gt Options gt Reference Data to open the Displaying S7 Reference Data application of STEP 7 You can use this application to debug your simulated program This menu command is only available when a STEP 7 symbol table has been attached to the simulated program using the Attach Symbols option Symbol Table Select the menu command Tools gt Options gt Symbol Table to open the STEP 7 Symbol Editor and view the currently attached symbol table This menu command is only available when a STEP 7 symbol table has been attached to the simulated program using the Attach Symbols option 62 Reference Information Window Menu The S7 PLCSIM Window menu contains the following commands S Cascade Command To arrange windows so that they overlap starting in the upper left corner of the S7 PLCSIM
8. EE Counter Rack ele ei Index 1 CPU mode toolbar 51 CPU operati pr a changing 17 CPU redundancy error OB72 21 37 40 CPU view object SE Cut command edit menu 55 Cycling power for a simulated CPU 17 D Data blocks 10 Data formats Data t pes 3 Date DATE_AND_TIME DT 64 DC indicator 10 Debugging with S7 PLCSIM 20 Decimal Diagnostic Interrupt OB82 21 37 44 Differences from a real S7 PLC 6 Double word 64 Downloading problems 65 Downloading the modified configuration to S7 PLCSIM DP failure tab 4 DP indicator DT DATE_AND_TIME E Edit menu 55 Enable scan cycle monitoring 28 Ending the simulation session Error OBs OB70 I O redundancy error OB72 CPU redundancy error ar communication redundancy error 42 OB80 rime error 43 OB85 priority class error OB86 rack failure Event file playback Execute menu Exit command file roa ee Expansion rack failure tab F Fault tolerant H systems Features of S7 PLCSIM File menu Formats Index numeric data 64 G Generic command insert menu 57 Generic variable Generic view object 35 Getting Started Getting started command help menu H Hardware ng 2 uration 21 22 23 37 downloading modifying 22 Hardware interrupt OB40 OB47 21 37 Help button 63 Help buttons Help menu Help on help Hide button 12 Hide button Hot start command execute menu
9. I input 1 UO D en 6 I O redundancy error OB70 21 37 39 Index tab Input 10 Input variable command insert menu Input variable view object 18 Input output considerations 21 3 Insert menu Insert toolbar 51 remove module interrupt OB83 2 GA Interrupt OBs 6 21 22 37 OB40 OB47 hardware interr i OB82 diagnostic interrupt Kal OB83 insert remove module interrupt 46 Introduction Introduction command help menu K Key switch position 9 32 Key switch position command execute menu 59 Layout 12 34 command file menu LED 10 Locked up S7 PLCSIM 65 M M bit memory Main window Manual timers command execute menu 59 Maximum slider value MCR 32 E Memory ee process 6 Memory areas 10 ged E GE Menus 8 edit execute Minimum slider value Modifying bit memory nee ing your hardware configuration 21 22 37 Monitor program simulation 4 Monitoring the scan cycle 28 Monitoring the simulated program 18 More Wee MPI address coe MPI address Zorten PLC menu MRES 2 ele Nesting seos E New PLC command file menu Next scan command execute menu 59 Numeric data formats 64 Numeric format slider control 19 Index 2 Index O OB102 OB40 to OB4 rn redundancy error OB73 42 CPU redundancy error OB72 diagnostic interrupt dee ai OBs continued hardware interrupt OB40 OB4 et I O redundancy error OB70 i insert remove mod
10. and use it to simulate an interrupt OB in S7 PLCSIM However you can copy your I O configuration into a second project and replace the S7 400 CPU with an S7 400 CPU model such as the CPU 416 DP that explicitly supports DP Once you download the hardware configuration from this second project to S7 PLCSIM you can simulate interrupt OBs and detect I O referencing errors 22 Basic Tasks Modifying Your Hardware Configuration In order to simulate the handling of interrupt OBs in your program your I O configuration must use a CPU 315 2 DP CPU 316 2 DP CPU 318 2 or an S7 400 CPU that directly supports DP UO S7 PLCSIM supports only one DP master system you cannot use hardware configurations with more than one DP master system If your CPU is not of the type mentioned above you can use the following procedure to create and modify a copy of your hardware configuration i Insert a new SIMATIC station to hold the modified configuration that you are going to create Name it something descriptive such as SIM_IO Navigate to your station Open the Hardware Configuration of your station Copy the central rack from your Hardware Configuration 4 AN waring Be certain only to copy not cut from the configuration of your original project to the configuration of the SIM_IO project If you cut items from your original configuration your Hardware Configuration will no longer work in real field applications Leaving the Hardware Con
11. applications which are currently connected to the simulator 31 Basic Tasks 32 View Objects View Objects S7 PLCSIM View Objects S7 PLCSIM provides several view objects that allow you to monitor and modify various components of the simulated PLC These view objects are e CPU View Object e ACCUs amp Status Word View Object e Block Regs View Object e Stacks View Object e Input Variable View Object e Output Variable View Object e Bit Memory View Object e Timers View Object e Counters View Object e Generic Variable View Object e Vertical Bits Variable View Object You can use symbolic addressing with view objects If you do tooltips are available for all view object fields that have symbols assigned to them You can point to a view object field with the mouse to see its symbolic address and comment Separated by a colon in a tooltip box 32 View Objects CPU View Object This view object is present by default when you open a new simulation It allows you to view the status and change the operating mode of the simulated CPU The operating modes on the CPU view object function like the key switch on a real CPU if you use the STEP 7 tools to change the operating mode or if the CPU automatically changes mode for example encounters an error condition that causes the CPU to change from RUN to STOP the RUN STOP indicators change but not the key switch This alerts you that the CPU changed operating mode poss
12. default setting is Continuous Scan Basic Tasks Changing CPU Operating Modes You can change the operating modes for the CPU The simulated PLC responds to changes in the operating mode just like a real PLC The check boxes on the view object of the simulated PLC show the current operating mode To change the operating mode click the desired checkbox or use the menu command Execute gt Key Switch Position gt mode The CPU operating modes on the simulated CPU function like the key switch on a real CPU if you use the STEP 7 tools to change the operating mode or if the CPU automatically changes mode for example encounters an error condition that causes the CPU to change from RUN to STOP the checkboxes on the simulated CPU view object do not change The LED indicator changes but not the key switch This alerts you that the CPU operating mode changed possibly because of some error in the program 18 Basic Tasks Monitoring the Simulated Program You can display different types of view objects that allow you to monitor and modify the program running in the simulated PLC The following seven view objects are activated from the Insert menu Input Variable allows you to access the data stored in the process input I memory area The default address is byte 0 IBO Output Variable allows you to access the data stored in the process output Q memory area The default address is byte 0 QBO Bit Memory allows you to acces
13. following AN waring This device and its components may only be used for the applications described in the catalog or the technical descriptions 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 it is transported stored set up and installed correctly and operated and maintained as recommended Trademarks Siemens and SIMATIC are registered trademarks of SIEMENS AG STEP 7 and S7 are trademarks of SIEMENS AG Microsoft Windows Windows 95 H Windows 98 Windows NT Windows ME and Windows 2000 are registered trademarks of Microsoft Corporation Copyright Siemens Energy amp Automation Inc 2002 Disclaimer of Liability All rights reserved We have checked the contents of this manual for The reproduction transmission or use of this document or its agreement with the hardware and software described contents is not permitted without express written authority Because deviations cannot be precluded entirely we Offenders will be liable for damages All rights including cannot guarantee full agreement However the data in this rights created by patent grant or registration of a utility model manual are reviewed regularly and any necessary or design are reserved corrections included in subsequent editions Suggestions for improvement are welcomed Siemens Energy amp Automati
14. input value on the next scan The CPU reacts immediately to any changes made with this view object Any modifications made with a STEP 7 variable table take effect at the proper time in the CPU scan inputs are read at the beginning of the scan and outputs are written at the end You can choose the numeric data format for the input variable and you can also use symbolic addressing if you have attached symbols You can also view input variables with a Vertical Bits View Object 34 View Objects Output Variable View Object To add this view object to a simulation do one of the following e Choose the menu command Insert gt Output Variable e Click the Insert Output Variable il button This view object allows you to monitor and modify the following data e Peripheral external output variables you can access the peripheral output PQ memory areas of the CPU e Process image output variables you can access the output Q memory areas of the CPU During the scan cycle the program calculates output values and places them in the process image output table At the end of the scan cycle the operating system reads the calculated output values from this table and sends them to the process outputs The process image output table maps the first 512 bytes CPU dependent of the peripheral output memory The CPU reacts immediately to any changes made with this view object Any modifications made with a STEP 7 variable table take effect at
15. modules and update the data in the process image input table Execute the user program OB1 and all the blocks called in it Free Scan Cycle Product Overview S7 PLCSIM also differs from a real PLC in the following ways e Diagnostic buffers S7 PLCSIM does not support all of the error messages written to the diagnostic buffer For instance bad batteries in the CPU or EEPROM errors cannot be simulated However most I O and program errors can be simulated e A transition in operating mode such as from RUN to STOP does not change the I O to a safe state e Function modules FMs are not supported e Peer to peer communication such as between two S7 400 CPUs in the same rack is not supported e 7 PLCSIM supports four accumulators like an S7 400 CPU does For certain special cases a program running on S7 PLCSIM with four accumulators can have different behavior from the same program running on an S7 300 CPU which uses only two accumulators Differences with UO Most of the CPUs in the S7 300 family autoconfigure I O once a module has been inserted into a physical controller it is automatically recognized by the CPU It is not possible to replicate the autoconfiguration feature with a simulated PLC If you download a program to S7 PLCSIM from an S7 300 CPU that autoconfigures I O the system data does not include an I O configuration Consequently when you use S7 PLCSIM with S7 300 programs if you want to define w
16. necessary modifications to your hardware configuration and downloaded your I O configuration For all fault conditions the event class OB86_EV_CLASS is set to B 16 39 incoming event If no fault condition is selected Rack Return Rack Return with Discrepancy DP Station Return and DP Station OK the event class is set to B 16 38 outgoing event The two tabs of the dialog box provide the following options Expansion Rack FailureTab The parameters that you select in this tab are passed to the following variables when the OB is called Parameter Variable Data Type Value IM address OB86_MDL_ADDR WORD Address of the interface module to which expansion racks are connected Failure OB86_FLT_ID BYTE BHI 6 C1 Return OB86_FLT_ID BYTE BHI 6 C1 Return with OB86_FLT_ID BYTE BHI 6 C2 discrepancy Expansion rack OB86_FLT_ID BYTE B 16 C6 operational again but error in module parameter assignment Rack Status OB86_ RACKS _FLTD ARRAY OF BOOL Shows the status of up to twenty one expansion racks connected to the interface module IM In the array you must select the rack with the fault conditions Green Good Red Fault Gray Not configured 50 Error and Interrupt OBs DP Failure Tab This tab allows you to test for DP system failure and view the status of the DP under various error conditions The parameters that you select in this tab are passed to the following variables when the OB is called Parameter Variable Dat
17. or in Single Scan mode Only the CPU 315 2DP CPU 316 2DP and CPU 318 2 CPUs download an I O configuration If you download a program from another S7 300 CPU the system data does not include the I O configuration This causes errors when you attempt to access peripheral I O in S7 PLCSIM To correct this create an CPU 315 2DP CPU 316 2DP or CPU 318 2 station and put a copy of your hardware configuration into it Download the hardware configuration from the CPU 315 2DP CPU 316 2DP or CPU 318 2 to S7 PLCSIM Index Index A About 63 es 6 18 32 56 ACCUs amp status word view object 32 Activate view object Address registers Always on top command view menu Arrange icons command window menu 62 Attach symbols command tools menu Autoconfigured VO 21 37 So timers command execute menu 59 Back button 12 BCD Binary coded Ge Binary 64 Binary coded decimal pep Bit memory 10 18 35 Bit memory command e menu ao Bit Gg view ee Bits 64 Block registers Block registers Goalien view menu 56 By eal view object Byte Cc C counter Cascade command window menu Changing CPU operating modes Character Char Clear Reset command PLC menu Close layout command file menu Close PLC command file menu a restart support 3 3 E redundancy error OB73 37 42 este blial MPI address 24 Contents Tab 12 Contents Sean keo V Menu Continuous Scan 16 Copy command tae a
18. recording of events Le Click the Record button to begin recording a series of events Use the view objects in your simulation to turn bits on and off or assign data values as desired The recorder captures every change you make to memory areas u Click the Pause button to temporarily suspend recording or playback The pause function is convenient because it allows you to pause the recording of events and resume later If you need to perform some other activity for instance add new view objects or answer the telephone before you are finished generating events you can click Pause and thus avoid a long delay in your recording Pause allows you to minimize the time lag between events as you record in contrast to the Delta button which affects the overall rate at which the recording is played back m Click the Stop button to stop recording or playing back events LI The Delta button allows you to select a rate of speed before you play back a recording Your selection affects the overall playback duration However if some events were recorded closer together or further apart than others the relative time intervals are preserved even as the overall playback time is reduced or increased by your Delta selection 26 Basic Tasks There are two ways for you to confirm that you are successfully recording or playing back events e Check the status bar of the Record Playback dialog box to see whether it is in Recording Playing or Idle mode
19. the CPU encountered a system error causing a change in the operating mode e DP distributed peripherals or remote I O indicates the status of communication with distributed remote I O e DC power supply indicates whether power to the CPU is on or off e RUN indicates that the CPU is in RUN mode e STOP indicates that the CPU is in STOP mode Memory Areas You access data in the S7 PLC by addressing specific areas of memory These areas perform specific functions e PI peripheral input provides direct access to the input modules e input provides access to the process image of the peripheral inputs These values are updated by the CPU at the beginning of every CPU scan cycle e PQ peripheral output provides direct access to the output modules These values are updated by the CPU at the end of every CPU scan cycle e Q output provides access to the process image of the outputs e M bit memory provides storage for data used within the program e T timer provides storage for timers e C counter provides storage for counters You can also access data stored in the data blocks DBs Basic Tasks Basic Tasks Starting the Simulation There are several ways to start S7 PLCSIM e From the Windows Start menu select the menu command Simatic gt STEP 7 gt S7 PLCSIM Simulating Modules e From the SIMATIC Manager toolbar click the Simulation On Off button or select the Options gt Simulate Modules menu com
20. the proper time in the CPU scan inputs are read at the beginning of the scan and outputs are written at the end You can choose the numeric data format for the output variable and you can also use symbolic addressing if you have attached symbols You can also view input variables with a Vertical Bits View Object Bit Memory View Object To access this view object do one of the following e Choose the menu command Insert gt Bit Memory e Click on the Insert Bit Memory al button This view object allows you to monitor and modify bit memory you can access the variables stored in the bit memory M area of the CPU The bit memory M area provides storage for interim results calculated in the program You designate what data format to use to access the data You can choose the numeric data format for the bit memory and you can also use symbolic addressing if you have attached symbols You can also view bit memory with a Vertical Bits View Object 35 View Objects Timer View Object To add this view object to a simulation do one of the following e Choose the menu command Insert gt Timer e Click the Insert Timer button This view object allows you to monitor and modify the timers used by your program The timer view object displays the name of the timer the actual timer value and the time base Note If you change the time base the actual timer value changes also while the displayed value remains the same This is
21. 2 From the SIMATIC Manager navigate to the S7_ZEBRA example project This project is supplied with the STEP 7 software V 5 x and higher project file name ZEN0O1_09_STEP7_Zebra Within the S7_ZEBRA example project navigate to the Blocks object See the SIMATIC Manager online Help for an overview of STEP 7 objects From the SIMATIC Manager click E or select the menu command PLC gt Download to download the Blocks object to the simulated PLC At the prompt Do you want to load the system data choose No if you do not want to download a hardware configuration to the simulated PLC or Yes in order to download a hardware configuration for instance in order to use clock memory From the S7 PLCSIM application create additional view objects for monitoring information from the simulated PLC e Click il or select the menu command Insert gt Input Variable The view object displays IBO Input Byte 0 e Click l or select the menu command Insert gt Output Variable to insert a second view object QBO Output Byte 0 e Click or select the menu command Insert gt Timer three times to insert three Timer view objects Type 2 3 and 4 for Timers T 2 T 3 and T 4 in their respective text boxes pressing the Enter key after each entry Select the PLC menu in S7 PLCSIM and verify that there is a bullet beside Power On Select the Execute gt Scan Mode menu command and verify that there is a bullet e beside Continuo
22. AY file archives only the position and selected data format of the view objects in your simulation the data values that are displayed in the view objects are not saved as part of the layout You can save both the layout LAY file and the PLC simulation PLC file when you work They are not mutually exclusive For information about what is archived if you save a PLC simulation PLC file see Saving a Simulated PLC 29 Basic Tasks Saving a Simulated PLC You can store the current state of the simulated PLC in one of the following ways e Use the menu command File gt Save PLC to archive the configuration of the PLC to the current file name e Use the menu command File gt Save PLC As to archive the configuration of the PLC to a new file The following elements are saved when you save the PLC e Program e Hardware configuration e The checkbox selection key switch position for the operating mode indicated on the CPU view object namely RUN P RUN or STOP e Execution control option continuous scan single scan e The status of the I O e Timer values T memory e Symbolic addresses e Power on off setting When you open a simulated PLC whether it is a new PLC simulation or an archived PLC simulation the simulated PLC is in STOP mode If you archived a simulated PLC in RUN or RUN P mode when you open the archive the checkbox of the CPU view object indicates your selection but the CPU indicators show that the a
23. Exiting S7 PLCSIM can result in errors in applications which are currently connected to the simulator 55 Reference Information Edit Menu The S7 PLCSIM Edit menu contains the following commands Undo Command Select the menu command Edit gt Undo to reverse the last action you performed Undo only applies to editable text numeric fields and to the commands of the Edit Insert and Window menus The Undo command is also available from the right click menu of any editable text field Al Cut Command Select the Edit gt Cut command or click Al to remove selected text and put it on the clipboard Copy Command E b Select the Edit gt Copy command or click to copy selected text and put it on the clipboard Paste Command Select the Edit gt Paste command or click to insert the contents of the clipboard whatever was last cut or copied at the location of the cursor 56 Reference Information View Menu The S7 PLCSIM View menu contains the following commands ia Accumulators Command Select the menu command View gt Accumulators or click a to create an ACCUs amp Status Word view object This view object allows you to monitor accumulators status word bits and address registers fal Block Registers Command Select the menu command View gt Block Registers or click fal or to create a Block Regs view object that allows you to monitor the contents of the data block address registers DB1 and DB2 This view object also disp
24. FB22 SFB23 SFB32 SFB33 SFB34 SFB35 SFB36 SFB37 SFB41 SFB42 SFB43 SFB44 SFB46 SFB47 SFB48 SFB49 SFB52 SFB53 SFB54 SFB60 SFB61 SFB62 SFB63 SFB64 and SFB65 Note that SFB12 SFB13 SFB14 SFB15 SFB16 SFB19 SFB20 SFB21 SFB22 SFB23 SFB41 SFB42 SFB43 SFB44 SFB46 SFB47 SFB48 SFB49 SFB60 SFB61 SFB62 SFB63 SFB64 and SFB65 are NOPs do not perform any operation You do not need to modify a program that calls a NOP Product Overview Memory Area System functions SFCs Organization blocks OBs Description SFCO SFC1 SFC2 SFC3 SFC4 SFC5 SFC6 SFC7 SFC9 SFC10 SFC11 SFC12 SFC13 SFC14 SFC15 SFC17 SFC18 SFC19 SFC20 SFC21 SFC22 SFC23 SFC24 SFC25 SFC26 SFC27 SFC28 SFC29 SFC30 SFC31 SFC32 SFC33 SFC34 SFC35 SFC36 SFC37 SFC38 SFC39 SFC40 SFC41 SFC42 SFC43 SFC44 SFC46 SFC47 SFC48 SFC49 SFC50 SFC51 SFC52 SFC54 SFC55 SFC56 SFC57 SFC58 SFC59 SFC60 SFC61 SFC62 SFC64 SFC65 SFC66 SFC67 SFC68 SFC69 SFC72 SFC73 SFC74 SFC79 SFC80 SFC81 SFC82 SFC83 SFC84 SFC87 SFC90 SFC102 SFC103 SFC105 SFC106 SFC107 SFC108 SFC126 SFC127 SFC65091 SFC65092 SFC65093 SFC65094 SFC65095 SFC65096 SFC65098 SFC65099 SFC65102 and SFC65103 For SFC26 and SFC27 S7 PLCSIM supports only an input parameter of 0 Note that SFC7 SFC11 SFC12 SFC25 SFC35 SFC36 SFC37 SFC38 SFC48 SFC60 SFC61 SFC62 SFC65 SFC66 SFC67 SFC68 SFC69 SFC72 SFC73 SFC74
25. L BOOL BOOL BOOL BOOL BOOL BOOL BOOL BOOL BOOL BOOL BOOL BOOL Error and Interrupt OBs Insert Remove Module Interrupt OB83 This dialog box allows you to test the program that you downloaded in OB83 Insert Remove Module Interrupt Note that in order for you to use this OB menu command Execute gt Trigger Error OB gt Insert Remove Module Interrupt OB83 you must first have made any necessary modifications to your hardware configuration and downloaded your I O configuration For all fault conditions the event class OB83_EV_CLASS is set to B 16 39 incoming event If no fault condition is selected Module OK the event class is set to B 16 38 outgoing event The parameters that you select with this dialog box are passed to the following variables when the OB is called Parameter Variable DataType Value Description Module removed or not OB83_FLT_ID BYTE B 16 61 responding Module inserted OB83_FLT_ID BYTE B 16 61 module type OK Module inserted OB83_FLT_ID BYTE B 16 63 incorrect module type Module inserted type OB83_FLT_ID BYTE BH16 64 ID cannot be read Module inserted error OB83_FLT_ID BYTE B 16 65 in module parameter assignment Module address OB83_MDL_ADDR WORD The logical base address of the module that triggers the interrupt the first input if any otherwise the first output address Example PQW 0 For further information reference STEP 7 Help on Organization Blocks OB83
26. SIEMENS SIMATIC 7 PLCSIM V5 2 User Manual Edition 11 2002 2809918 0003 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 Danger Indicates an imminently hazardous situation which if not avoided will result in death or serious injury Warning Indicates a potentially hazardous situation which if not avoided could result in death or severe injury Caution Used with the safety alert symbol indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury Caution Used without the safety alert symbol indicates a potentially hazardous situation which if not avoided may result in property damage Notice NOTICE used without the safety alert symbol indicates a potential situation which if not avoided may result in an undesirable result or state Qualified 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
27. STEP 7 Help The SIMATIC System Software for S7 300 400 System and Standard Functions Reference Manual 47 Error and Interrupt OBs Priority Class Error OB85 This dialog box allows you to test the program that you downloaded in OB85 Priority Class Error OB85 is automatically triggered if an error occurs while the operating system is accessing a block error code B 1 6 A3 Note that events B 16 A1 B 16 A2 B 16 B1 and B 16 B2 must be generated by other means for example by deleting one of the required blocks from your program The parameters that you select with this dialog box are passed to the following variables when the OB is called Parameter Variable Data Type Value Integrated function OB85_Z1 WORD No error resolution W 16 0100 Block not loaded W 16 0101 Area length error W 16 0102 Write protect error W 16 0103 IEC timer OB85_Z1 WORD No error resolution W 16 0200 Block not loaded W 16 0201 Area length error W 16 0202 Write protect error W 16 0203 For further information reference STEP 7 Help on Organization Blocks OB85 STEP 7 Help The SIMATIC System Software for S7 300 400 System and Standard Functions Reference Manual 48 Error and Interrupt OBs Rack Failure OB86 This dialog box allows you to test the program that you downloaded in OB86 Rack Failure Note that in order for you to use this OB menu command Execute gt Trigger Error OB gt Rack Failure OB86 you must first have made any
28. _MDL_ADDR INT 45 Error and Interrupt OBs Fault Conditions Check the following checkboxes to enable the following fault conditions Parameter Checkbox Module defect read only Internal fault External fault Channel fault External voltage failed Front panel connector unplugged Module not configured Incorrect parameters on module Channel information exists User information exists Diagnostic interrupt from substitute Submodule missing or has an error Communication problem Operating mode is STOP Watchdog timer responded Internal power supply failed Battery exhausted Entire backup failed Expansion rack failure Processor failure EPROM fault RAM fault ADC DAC error Fuse tripped Hardware interrupt lost Variable OB82_MDL_DEFECT OB82_INT_FAULT OB80_EXT_FAULT OB82_PNT_INFO OB82_EXT_VOLTAGE OB82_FLD_CONNCTR OB82_NO_CONFIG OB82_CONFIG_ERR OB82_MDL_TYPE OB82_MDL_TYPE OB82_MDL_TYPE OB82_SUB_MDL_FAULT OB82_COMM_FAULT OB82_MDL_STOP OB82_WTCH_DOG_FLT OB82_INT_PS_FLT OB82_PRIM_BATT_FLT OB82_BCKUP_BATT_FLT OB82_RACK_FLT OB82_PROC_FLT OB82_EPROM_FLT OB82_RAM_FLT OB82_ADU_FLT OB82_FUSE_FLT OB82_HW_INTR_FLT For further information reference STEP 7 Help on Organization Blocks OB82 STEP 7 Help The SIMATIC System Software for S7 300 400 System and Standard Functions Reference Manual 46 Data Type BOOL BOOL BOOL BOOL BOOL BOOL BOOL BOOL BYTE BYTE BYTE BOOL BOO
29. a Type Subnet OB86_MDL_ADDR WORD Failure of DP master OB86 FLT_ID BYTE system Station failure OB86_FLT_ID BYTE Station fault OB86 FLT ID BYTE Station return OB86 FLT ID BYTE Station OK OB86_FLT_ID BYTE Station operational OB86 FLT ID BYTE again but error Station return with OB86 FLT ID BYTE discrepancy DP Status OB86_RACKS_FLTD ARRAY OF BOOL For further information reference STEP 7 Help on Organizational Blocks OB86 STEP 7 Help Value Logical base address of the DP master system BHI 6 C3 BHI 6 C4 BHI6 C5 BH 6 C4 BHI6 C5 BHI 6 C7 BHI 6 C8 Shows the status of up to 126 DP stations In the array you must select the rack with the fault conditions Green Good Red Fault Gray Not configured The SIMATIC System Software for S7 300 400 System and Standard Functions Reference Manual 50 Error and Interrupt OBs 51 Reference Information Reference Information S7 PLCSIM Toolbars S7 PLCSIM includes the toolbars pictured below You can use the View gt Toolbars command to hide or display any of the toolbars From the online help click any button from any of the following toolbar pictures for detailed information or reference the appropriate menu topic Standard The standard toolbar contains selected commands from the File Menu Edit Menu View Menu and Window Menu as well as What s This help OSE X BQ RanWw Insert The insert toolbar contains selected commands from the Inse
30. ays the view objects from your previous work session At this point you have two choices e You can begin work in S7 PLCSIM using the new simulated PLC e You can open a simulated PLC that you have previously saved use either the File gt Recent Simulation command or the File gt Open PLC command to select the appropriate PLC file The work that you did with this PLC such as downloading a program or hardware configuration or assigning values through a view object is saved in the archived simulation so when you open the simulation you do not have to repeat those steps You can begin work where you left off the last time After you decide whether to work with a new or an archived PLC simulation you can add or change the view objects displayed in S7 PLCSIM If a layout is displayed when you open S7 PLCSIM you can close it You can use the toolbar or the View and Insert menus to add new view objects You can use the menu command File gt Open Layout to select a different layout if you have archived more than one Changes to your layout do not cause changes to your program information they only affect the way that the information is displayed Note When you open a new or archived PLC simulation any view objects that were displayed in S7 PLCSIM are automatically closed If you intend to open an archived layout as well as a new or archived PLC simulation open the simulated PLC before opening the layout What Is the Difference b
31. because the actual timer value is the product of the displayed value and the time base For example if the value of timer T 0 is 600 and the time base is 10ms this represents a timer of 6 seconds If you change the time base to 100ms then the actual timer value becomes 60 seconds 600 100ms 60 seconds e T 0 To reset all of the timers in your program use the Reset Timers toolbar button T 0 To reset an individual timer use the Reset Timers hi button on the view object for that timer You can use symbolic addressing if you have attached symbols You can also configure the timers to be under either automatic or manual control from commands on the Execute menu Counter View Object To add this view object to a simulation do one of the following e Choose the menu command Insert gt Counter e Click the Insert Counter il or il in German mnemonics button This view object allows you to monitor and modify the counters used by your program It opens with a default memory location of C 0 You can choose the numeric data format for the counter and you can also use symbolic addressing if you have attached symbols 36 View Objects Generic Variable View Object To add this view object to a simulation do one of the following e Choose the menu command Insert gt Generic e Click the Insert Generic Variable al button This view object allows you to monitor and modify the following data e Peripheral external
32. change the program and its parameters In order to use the STEP 7 tools for modifying any of the parameters of the program while the program is running you must put the CPU in RUN P mode You can still use the view objects created within S7 PLCSIM to modify any data used by the program RUN mode The CPU runs the program by reading the inputs executing the program and then updating the outputs You cannot download any program or use the STEP 7 tools to change any parameters such as input values when the CPU is in RUN mode You can still use the view objects created within S7 PLCSIM to modify any data used by the program STOP mode The CPU does not run the program Unlike STOP mode for real CPUs the outputs are not set to predefined safe values but remain at the state they were in when the CPU changed to STOP mode You can download programs to the CPU while the CPU is in STOP mode Changing from STOP mode to RUN mode starts execution of the program from the first instruction The CPU operating modes the CPU indicators and the Memory Clear Reset button are all displayed on the CPU view object You can set the CPU operating mode with the Key Switch Position command You can pause execution of the simulated PLC program when the CPU is in RUN or RUN P mode 10 Product Overview CPU Indicators The CPU view object provides a set of indicators that correspond to the LED indicators on a real CPU e SF system fault alerts you that
33. cts Closing a simulated program can result in errors in applications which are currently connected to the simulator II Save PLC Command Click a or select the menu command File gt Save PLC to save the current state of the simulated PLC Save PLC As Command Select the menu command File gt Save PLC As to save the current state of the simulated PLC as a new file Open Layout Command To open a previously saved layout of S7 PLCSIM view objects select the menu command File gt Open Layout 54 Reference Information Close Layout Command To close the current layout of S7 PLCSIM view objects select the menu command File gt Close Layout Save Layout Command To save the current layout of S7 PLCSIM view objects select the menu command File gt Save Layout Save Layout As Command To save the current layout of S7 PLCSIM view objects as a new file select the menu command File gt Save Layout As Recent Simulation Command Use the menu command File gt Recent Simulation to open a list of your four most recently used programs Select file 1 2 3 or 4 from the list of recent simulations Recent Layout Command Use the menu command File gt Recent Layout to select from a list of your four most recently used layouts Select file 1 2 3 or 4 from the list of recent layouts Exit Command Select the menu command File gt Exit to close the simulated PLC and to exit the S7 PLCSIM application
34. ctual mode of the simulated PLC is STOP mode To restore the simulated PLC to RUN or RUN P mode you must use the checkboxes in the CPU view object or the Execute gt Key Switch Position command to cycle the simulated PLC to STOP mode and then back to RUN or RUN P mode If you have attached symbols when you save the simulated PLC the symbolic addresses are saved However by default when you open the archived PLC simulation symbolic addresses are not displayed To display symbolic addresses use the Tools gt Options gt Show Symbols command To save the configuration of the view objects use the File gt Save Layout menu command Saving a simulated PLC does not close the simulated PLC 30 Basic Tasks Closing a Simulated PLC Use the menu command File gt Close PLC to end the simulation of the program This command closes the CPU view object and all opened views Closing a simulated program can result in errors in applications which are currently connected to the simulator Closing the simulated PLC does not end the simulation session You can either exit S7 PLCSIM or open another simulated PLC Ending the Simulation Session After saving any simulated PLC or layout configuration follow these steps to exit the S7 PLCSIM application 1 Close any STEP 7 applications involved in the monitoring of the simulation 2 Select the menu command File gt Exit Exiting S7 PLCSIM like closing a simulated PLC can result in errors in
35. d Stacks allows you to display the data stored in the nesting stack and the master control relay MCR stack within the simulated PLC You can also simultaneously monitor the program in the STEP 7 LAD STL FBD application In the SIMATIC Manager click or select View gt Online to switch to online mode Navigate to the Blocks object in the S7_ZEBRA example project and open FC1 The LAD STL FBD application displays the program that is being executed by the simulated PLC Use the menu commands to view the status of the instructions Basic Tasks Using the Slider Control The slider control allows you to simulate values that change gradually or have a specific range such as analog values You can use the slider control for the following view objects e Input Variable e Output Variable e Bit Memory You can access the memory area with either a memory address or a symbolic address To specify a slider control for one of the variable view objects you select a slider format representation from the Select Numeric Format drop down list You also select whether to represent the values as decimal positive integers integer positive and negative integers or real numbers The selection options are determined by the size of the memory location being accessed e Byte B decimal e Word W decimal and integer e Double word D decimal integer and real You can use either the mouse or the arrow keys to change the position of the
36. de You can also change the mode by clicking the check boxes in the CPU view object Startup Switch Position Command Select the menu command Execute gt Startup Switch Position and pick a restart option to determine what the simulated CPU will do when it is switched from STOP to RUN mode e Warm Start the operating system calls OB100 e Hot Start the operating system calls OB101 e Cold Start the operating system calls OB102 Scan Mode Command You can choose from two modes of execution for your simulated program Single Scan and Continuous Scan UI Single Scan Command Select the menu command Execute gt Scan Mode gt Single Scan or click UI to set up the CPU for executing the program one scan at a time The CPU executes the complete program for one scan then waits for you to request the next scan iy Continuous Scan Command Select the menu command Execute gt Scan Mode gt Continuous Scan or click D i to set up the CPU for executing the program in a continuous cycle in the same way that OB1 is executed by the CPU The CPU executes the program when the operating mode is set to RUN and stops when the operating mode is set to STOP The scan starts by reading the peripheral inputs PI and updating the process image input I memory The CPU then executes the instructions of the program and updates the memory areas The scan ends by writing the process image output Q memory to the peripheral output PQ memory 1 Next Sca
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38. e that you make with a view object immediately updates the contents of the memory location The CPU does not wait until the beginning or end of the scan to update any changed data Execution control options allow you to select how the CPU runs the program e Single Scan executes the program for one scan and then waits for you to start the next scan e Continuous Scan executes the program like a real PLC it starts a new scan immediately after the previous one finishes You can allow the timers to run automatically or you can enter timer values manually You can also reset timers globally or individually You can manually trigger the interrupt OBs OB40 to OB47 hardware interrupt OB70 I O redundancy error OB72 CPU redundancy error OB73 communication redundancy error OB80 time error OB82 diagnostic interrupt OB83 insert remove module OB85 program sequence error and OB86 rack failure Process image and peripheral memory When you make a change to a process input value in a view object S7 PLCSIM copies it immediately to peripheral memory This way when the peripheral input value is written to the process image register at the beginning of the next scan the desired change is not lost Correspondingly when you make a change to a process output value it is copied immediately to peripheral output memory Startup program Transfer the values of the process image output table to the modules Read the inputs from the
39. ed PLC Input Output Considerations If your project matches either of the following descriptions you must make modifications and download your modified hardware configuration to S7 PLCSIM e An 7 300 project with any CPU other than the CPU 315 2 DP CPU 316 2 DP or CPU 318 2 e An S7 400 project that uses DP UO with a CP instead of using a CPU model that explicitly supports DP I O In order to simulate interrupt OBs you must download a hardware configuration that contains your I O For some cases your I O is automatically included in the system data that STEP 7 downloads to S7 PLCSIM in other cases you must modify the configuration to one that does 7 300 CPUs S7 300 CPUs such as the CPU 315 2DP CPU 316 2DP and CPU 318 2 download an I O configuration other S7 300 CPUs autoconfigure the I O to match the physical I O installed in the rack Projects already configured for one of the CPUs named above do not require modifications to the hardware configuration For other CPUs you must copy your hardware configuration and put the data into a project for a CPU that does not autoconfigure I O namely an CPU 315 2DP CPU 316 2DP or CPU 318 2 project When you download the I O information from the project you can simulate interrupt OBs in S7 PLCSIM and S7 PLCSIM is also able to detect any I O referencing errors that your program may contain 7 400 CPUs If you use a CP with PROFIBUS DP I O you cannot download this I O configuration
40. ee the symbolic or absolute address of each bit and to monitor and modify the following data e Peripheral external input and output variables you can access the peripheral input Pl and peripheral output PQ memory areas of the CPU e Process image input and output variables you can access the input I and output Q memory areas of the CPU The CPU overwrites the memory with the PI memory at the beginning of every scan If you change an memory value the simulator immediately copies the changed value to the peripheral area This way the desired change is not lost when the peripheral value overwrites the process input value on the next scan e Bit memory you can access the variables stored in the bit memory MI area of the CPU e Data blocks you can access the data stored in the data blocks of the program The CPU reacts immediately to any changes made with this view object Any modifications made with a STEP 7 variable table take effect at the proper time in the CPU scan inputs are read at the beginning of the scan and outputs are written at the end You can use symbolic addressing if you have attached symbols for variables represented with a Vertical View Object 37 Error and Interrupt OBs Error and Interrupt OBs Overview S7 PLCSIM supports the following interrupt and error OBs 38 OB40 to OB47 hardware interrupt OB70 I O redundancy error 417 H systems only OB72 CPU redundancy error 417 H systems onl
41. eee eeeeetnee tees eee eteeccaaeeeeeeteeeseaaeeeeeeees Block Regs View ODjOCE eege Stacks View Object ee EEN ble View el jable View Object EE Bit Memory View Object ccccceeeeeeeeeeeeeeeee entree aaaeaeeeeeeeetaaaaaaaaaeeeeeeeeeeeeseeenaaaaes Timer View OBIOGI wi iavortss regE eegene Counter View Object E Vertical Bit S Variable View el Error and Interrupt BS ssgsgugsgseueuereueuueeuEuEAENENENNEEEENEKEENENKEEEEEENENEKENEEESEAEEN Overview Hardware Interrupt OBAO OBA 7 VO Redundancy Err r OB70 sais ccectesecarassieseetwconesdinserdthiechetsimrajatterdevimcanessintereinnme CPU Redu OB72 Faul ndancy Error OB72 cnciccdectaetsenotccenteaha tieceneiidsa bidet ieee tlds Error ENEE gege EES Communication Redundancy Error OB Time Error Diagnostic Ee Interrupt OB82 E Insert Remove Module Interrupt OB Priority Class Ett eeben eebe erbei Rack Failu Reference File Menu Edit Menu PB isteach an ea ee ee ee ee Information 2 2 2 cee ceeceeeceeccne cee ceeceeeceeccneceeccnscueceaseueceeseuseneceeseneceesensenes 52 S7 PLGSIM TOODA cdvccccaveccadiccetcienaverssetiversdeussenssetsvstionsusvernseiivensseusderseetiverewensternee S7 PLCSIM MonUS saanane AAEE AAAA TAATAAN EARTE AA TAEAE EER View Menili EEN Insert Men PLC Menu er E A A A eaeaumeauMaseeabateain cals Contents Product Overview Product Overview Introduction The S7 PLCSIM software enables you t
42. ers used by the program or you can reset timers individually e e T 0 To reset all of the timers in your program use the Reset Timers mo toolbar button T 0 To reset an individual timer use the Reset Timer ro button on the view object for that timer Trigger Error OB Command The menu command Execute gt Trigger Error OB allows you to test how your program handles different interrupt OBs Scan Cycle Monitoring Command The menu command Execute gt Scan Cycle Monitoring opens a dialog box allowing you to enable or disable scan cycle monitoring watchdog timer and set the maximum scan cycle monitoring time in milliseconds for the simulation The maximum scan cycle time is the maximum time the process is allowed to take for one full scan cycle of the S7 user program in OB1 and for the update of the relevant I O If this time is exceeded the simulated PLC goes into STOP mode 61 Reference Information Tools Menu The S7 PLCSIM Tools menu contains the following commands Record Playback Command Click on or select the menu command Tools gt Record Playback to record or play back a sequence of events The key sequence Alt F5 toggles the display of the Record Playback toolbar button Options Command The menu command Tools gt Options contains the following options e Attach Symbols e Show Symbols e Reference Data e Symbol Table Attach Symbols Select the menu command Tools gt Options gt
43. etween a PLC File and a LAY File A PLC file is used to save information about work that you do with a CPU view object that is a simulated PLC It also records changes you make to data if you assign a value to a memory area using any view object that change is saved in the PLC file A LAY file is used to save the physical layout of your workspace in S7 PLCSIM If you arrange your view objects in a certain order and want to preserve that order for future work sessions save the layout before you close S7 PLCSIM The next time you open S7 PLCSIM the view objects will be displayed in that order However if you open a new or archived PLC simulation during that work session S7 PLCSIM automatically closes your layout If you want to use the same layout with the simulated PLC that you have opened just re open the LAY file Basic Tasks Opening a Layout To open a previously saved layout of S7 PLCSIM view objects select the menu command File gt Open Layout A layout is simply an arrangement of view objects In other words the LAY file archives only the position and selected data format of the view objects in your simulation the data values that are displayed in the view objects are not saved as part of the layout When you work in S7 PLCSIM you can open both a PLC file and a LAY file if you have previously saved your simulated PLC and the layout of your view objects These are not mutually exclusive actions you do not have t
44. figuration of your station open navigate back to the SIM_IO station and open its Hardware Configuration Paste the central rack from your original configuration into the SIM_IO configuration In the SIM_IO configuration edit the rack to replace the existing CPU e If the existing CPU is an S7 300 replace it with a CPU 315 2 DP CPU 316 2 DP or CPU 318 2 e Ifthe existing CPU is an S7 400 replace it with a CPU that directly supports DP The extension DP should appear in the name of the model that you select Note When you insert a new CPU in the central rack the STEP 7 hardware configuration software issues a series of messages prompting you to assign a network If your original project was not networked answer No to these prompts The STEP 7 hardware configuration software displays the message Cannot assign a PROFIBUS network to the DP master Because you do not need a PROFIBUS network this message is not a problem If your configuration previously used a CP for DP communications delete the CP from the SIM_IO configuration The CP is not necessary after you put a DP CPU into the configuration If you have expansion racks or PROFIBUS slaves in your original configuration copy them into the SIM_IO configuration 10 Carefully check the addresses assigned by STEP 7 to the modules in the SIM_lO configuration and make any necessary changes 11 Save and close the SIM_IO configuration 12 Close the original confi
45. g Tips The following table describes some problems that you can encounter when using S7 PLCSIM and lists possible causes of the problem and recommended corrective actions When you attempt to close the simulated CPU a message alerts you that there is a connection open The S7 PLCSIM application does not respond and appears to be locked up You enter a peripheral variable and get an Invalid Address error even though the address value is valid Or You get a peripheral access error in your program even though your S7 300 project contains the correct configuration 66 If your program contains a System Data Block SDB verify that the CPU is in STOP mode As with a real CPU you can download SDBs only when the CPU is in STOP mode Note If the CPU view object is in RUN P mode STEP 7 prompts you to change to STOP so that the hardware configuration can be downloaded Verify that the CPU and the program use the same node address The node address defined for the program must match the node address of the CPU If you attempt to close the simulated CPU while one of the STEP 7 tools such as S7 Status is monitoring the program STEP 7 alerts you to disconnect the STEP 7 tool from the simulated CPU Always disconnect any STEP 7 tool by turning off the monitoring of the program status or by closing the tool before closing the simulated CPU Check the execution mode S7 PLCSIM can appear to be locked up when paused
46. guration After you make the required modifications you can download the modified configuration to S7 PLCSIM 23 Basic Tasks Downloading the Modified Configuration After you create a modified I O configuration to be used with S7 PLCSIM you can download the resulting system data 1 In the SIMATIC Manager window navigate to the SIM_IO project and open the blocks object A System Data object and an OB1 block are displayed 2 Delete the OB1 block object from the SIM_IO project This ensures that you cannot unintentionally download an empty OB1 to S7 PLCSIM from the SIM_IO project 3 Download your Hardware Configuration to S7 PLCSIM Note It does not matter whether you download your program blocks before or after you download the SIM_IO Hardware Configuration However if you do download program blocks after downloading the SIM_IO Hardware Configuration be sure that you answer No to the prompt Do you want to load the system data If you inadvertently load the system data from your original project the SIM_IO Hardware Configuration is overwritten Resetting the CPU Memory To reset the memory of the simulated CPU select the menu command PLC gt Clear Reset or click the MRES button on the CPU view object This action resets the memory areas deletes the program blocks and deletes the hardware configuration of the simulated PLC When you perform a memory clear reset the CPU automatically goes to STOP mode Rese
47. he menu command Insert gt Vertical Bits to create a view object displays the symbolic or absolute address next to each bit and allows you to monitor and modify any of the variables used by the program such as the input I or output Q memory areas You can also access the data stored in the data blocks DBs 58 Reference Information PLC Menu The S7 PLCSIM PLC menu contains the following commands Power On Command Select the menu command PLC gt Power On to simulate turning on the power to the PLC Power Off Command Select the menu command PLC gt Power Off to simulate turning off the power to the PLC Clear Reset Command Select the menu command PLC gt Clear Reset or click the MRES button on the CPU view object to reset the memory delete the program blocks and delete the hardware configuration of the simulated PLC When you perform a memory clear reset the CPU automatically goes to STOP mode MPI Address Command Select the menu command PLC gt MPI Address to modify the network node address for the simulated PLC The new address is stored with the configuration of the simulated PLC when you use the Save PLC or Save PLC As menu commands 59 Reference Information Execute Menu The S7 PLCSIM Execute menu contains the following commands Key Switch Position Command Select the menu command Execute gt Key Switch Position and choose RUN P RUN or STOP to put the simulated PLC in the desired operating mo
48. hich modules are supposed to be available to the CPU you must first download a hardware configuration To download a hardware configuration to S7 PLCSIM you can create a project for one of the S7 300 CPUs that does not autoconfigure I O such as the CPU 315 2DP CPU 316 2DP or CPU 318 2 Put a copy of your hardware configuration into this project and download the hardware configuration to S7 PLCSIM Once you have done this you can download program blocks from any of your S7 projects and the I O will be handled correctly Product Overview S7 PLCSIM Main Window The main window of S7 PLCSIM includes the workspace title bar status bar window controls and S7 PLCSIM menus and toolbars The S7 PLCSIM workspace is where you display different types of view objects to monitor and modify data in the simulated PLC To open the simulated PLC click on the Simulation On Off button on the toolbar menu command Options gt Simulate Modules in the SIMATIC Manager S7 PLCSIM starts and loads a CPU view object for your simulated PLC You can also create a new simulated PLC or open one that you have previously saved e Tocreate a new PLC for simulation select the menu command File gt New PLC e To open a previously saved PLC select the menu command File gt Open PLC To get familiar with S7 PLCSIM use the procedures described in Getting Started Product Overview CPU Operating Modes RUN P mode The CPU runs the program and you can
49. ibly because of some error in the program The MRES button allows you to reset the memory and to delete the blocks and the hardware configuration of the simulated PLC ACCUs amp Status Word View Object To add this view object to a simulation do one of the following e Choose the menu command View gt Accumulators e Click CPU Accumulators a button This view object allows you to monitor the information that the CPU uses to execute the program e Accumulators allows you to monitor the contents of the CPU accumulators The view object displays four accumulator fields to accommodate the S7 400 CPU programs for the S7 300 CPU use only two accumulators e Status word allows you to monitor the bits of the status word e Address registers allows you to monitor the contents of the two address registers AR1 and AR2 These address registers are used for the indirect addressing of data Block Regs View Object To add this view object to a simulation do one of the following e Choose the menu command View gt Block Registers e Click the Block Registers ital button This view object allows you to monitor the contents of the data block address registers DB1 and DB2 This view object also displays the number of the current logic block and the previous logic block along with the number of the instruction Step address counter or SAC for each block 33 View Objects Stacks View Object To add this view object to a simulation d
50. lays the number of the current logic block and the previous logic block along with the number of the instruction step address counter or SAC for each block el Stacks Command Select the menu command View gt Stacks or click or to create a Stacks view object that allows you to monitor the nesting stack and the master control relay MCR stack Toolbars Command Select the menu command View gt Toolbars to choose which S7 PLCSIM toolbars you want to display From the Toolbars dialog box check or uncheck the selections corresponding to the following toolbars e Standard e Insert e CPU Mode e Record Playback Files Status Bar Command Select the menu command View gt Status Bar to toggle on off the display of ths S7 PLCSIM status bar The status bar as shown below appears at the bottom of the S7 PLCSIM window and contains information and messages that help you use S7 PLCSIM Press F1 to get Help MPl 2 4 Ki Always On Top Command Select the menu command View gt Always On Top or click gt to keep S7 PLCSIM in front of any other concurrently running applications Repeat the action to return S7 PLCSIM to its normal state 57 Reference Information Insert Menu The S7 PLCSIM Insert menu contains the following commands Bl Input Variable Command Click on il or select the menu command Insert gt Input Variable to create a view object that allows you to monitor and modify variables in the process input I mem
51. lbars command view menu Tools menu 61 T timer ners Noe Tooltips 24 Tile ordered SCH window menu Timer view o ct 34 oh Trigger error OB command execute menu Troubleshooting Tips general record playback 25 Turning Simulation On 11 U Undo command edit menu Using hel pa 12 60 in tas program 21 37 5 record playback S7 PLCSIM to debug your program 20 slider control symbolic addressing 24 V Variable view object generic Variable view object vertical bits 36 Vertical bits command insert menu 57 Vertical 7 eat view object 3 3 24 36 View men View el Ss 8 15 18 Ga ACCUs amp status word 32 bit memory 34 block regs 32 counters CPU 32 generic variable input variable output variable stacks timers Index 4 Index vertical bits 36 V5 0 3 w Window 1 2 3 3 command window menu Warm start command execute menu 59 Window Menu 62 What s new in S7 PLCSIM Word 64 Index 5 Index Index 6 Response 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 a range from 1 very good to 5 very poor E Do the contents meet your requirements E Is the information you need easy to find LJ Is th
52. mand e Create a shortcut to the program file CD Siemens PLCSIM s7wsi s7wsvapx exe where CD represents the installation drive When the Simulation On Off button is turned on Le any new connection goes automatically to the simulated PLC Any program that you download goes to the simulated PLC if the MPI address of the simulated PLC matches that of the STEP 7 project containing the program If you click the Accessible Nodes button the Accessible Nodes window shows the node address for the simulated PLC that you have created When the simulation button is turned off Si any new connection goes to the real PLC If you click the Accessible Nodes button the Accessible Nodes window shows the network of real PLCs After you start S7 PLCSIM you can open a simulated PLC or monitor the simulated program You can continue PLC simulation until you end the simulation session Notes Simulation mode is not available if you have any existing connections to real PLCs You can have only one simulated PLC active at a time 12 Basic Tasks Using Help You can access the S7 PLCSIM Help through the Help menu or in any of the following ways A e You can get Help about an item in the S7 PLCSIM window Click the Help button L on the toolbar and then click the item e You can get help about any dialog box or error message Click the Help button in the dialog or message box or press F1 The Help window provides the following buttons men
53. n You can disregard this phenomenon even though that is not my selection in STEP 7 28 Basic Tasks Monitoring the Scan Cycle The menu command Execute gt Scan Cycle Monitoring opens a dialog box that allows you to enable or disable scan cycle monitoring watchdog timer and set the maximum scan cycle monitoring time for the simulation The maximum scan cycle time is the maximum time the process is allowed to take for one full scan cycle of the S7 user program in the OB1 and update of the relevant I O If this time is exceeded the simulated PLC goes into STOP mode Because program execution may be significantly slower in S7 PLCSIM than with an actual CPU especially when other applications are running at higher priority you can experience annoying timeouts This dialog box makes it possible for you to disable or extend the scan cycle monitoring without modifying the program for the target PLC Note that this dialog box does not reflect the monitoring time set in the hardware configuration and any changes affect the simulation only If Enable Scan Cycle Monitoring is selected you can set the monitoring time to any value between 1 second 1000 ms and 1 minute 60000 ms inclusive The default scan cycle monitoring time is 20000 ms Saving a Layout To save the current layout of S7 PLCSIM view objects select the menu command File gt Save Layout A layout is simply an arrangement of view objects In other words the L
54. n Command Click on ol or select the menu command Execute gt Next Scan to request that the simulated CPU execute the next scan if the simulation is set for Single Scan wl Pause Command Click on Ru or select the menu command Execute gt Pause to momentarily halt the execution of the program in the simulated PLC without changing any of the data such as the state of the outputs To resume the execution of the program turn off the Pause function The program then starts at the instruction where execution had been halted If a STEP 7 application is connected to the simulated PLC using Pause may cause the application to time out and disconnect If this happens turn off the Pause function and reconnect 60 Reference Information the STEP 7 application Automatic Timers Command The timers in the simulated PLC can be set to either automatic or manual Select the menu command Execute gt Automatic Timers to set up the CPU for executing the timers automatically in the program Manual Timers Command Select the menu command Execute gt Manual Timers to set up the CPU to allow you to enter a specific value or to reset the timers in the program To return to running the timers automatically select the menu command Execute gt Automatic Timers TY Reset Timers Command The menu command Execute gt Reset Timers opens a dialog box allowing you to set the time value for each timer to its default value You can reset all of the tim
55. o choose only one However it is more efficient to open the simulated PLC PLC file before the layout LAY file because any time you open a new or archived PLC simulation S7 PLCSIM automatically closes the open layout You can also save a layout save a simulated PLC and close a simulated PLC 16 Basic Tasks Selecting Scan Mode Options S7 PLCSIM offers you options for running the simulated program e Single Scan The CPU executes one scan and then waits for you to initiate another scan Each scan consists of the CPU reading the peripheral inputs Pl executing the program and then writing the results to the peripheral outputs PQ The CPU then waits for you to run the next scan using the Execute gt Next Scan menu command or 1 e Continuous Scan The CPU executes one complete scan and then starts another scan Each scan consists of the CPU reading the peripheral inputs Pl executing the program and then writing the results to the peripheral outputs PQ To choose Single Scan mode click UI or select the menu command Execute gt Scan Mode gt Single Scan Accessing a program one scan at a time allows you to see the changes in each scan While a real CPU can execute faster than the editor can display data the S7 PLCSIM Single Scan option allows you to freeze the state of the program from scan to scan To choose Continuous Scan mode click iy or select the menu command Execute gt Scan Mode gt Continuous Scan The
56. o display completely Refresh Refreshes the display of the current help page Internet Options Allows you to define options for Internet browsing Print Allows you to send a selected topic or an entire book to any printer that you have installed Search Highlight Off Search Highlight On Toggles the display of highlighting for topics that contain a term that you have specified in the Search field The highlighting enables you to see exactly where in a given topic the term appears Basic Tasks Help Browser Tabs Contents Tab Choose this tab to view the table of contents for the help system Double click any book icon to expand it and view the topics that it contains Index Tab Choose this tab to view an alphabetical list of index keywords for the help system Search Tab Choose this tab and type in a term that you wish to find Then click the List Topics button to see whether any topics in the help system contain the specified term Select a topic from the list and click the Display button to view the topic By default the term is highlighted every place that it appears in the topic to make it easy to locate the term To toggle highlighting off or on before displaying a topic use the Options button 14 Basic Tasks Opening a Simulated PLC When you start S7 PLCSIM the simulator opens with a new untitled simulated PLC If this is your first time using S7 PLCSIM you see only a CPU view object otherwise S7 PLCSIM displ
57. o one of the following e Choose the menu command View gt Stacks e Click the Nesting Stacks Si button This view object allows you to monitor information stored in the following stacks of the CPU e The nesting stack stores up to seven entries For each entry the nesting stack stores the states of the RLO and OR bits of the status word An entry in the nesting stack is made for each instruction that starts a new logic string These instructions are And A And Not AN Or O Or Not ON Exclusive Or X and Exclusive Or Not XN e The MCR stack stores up to eight levels of nesting for a master control relay MCR Each level shows the status of the RLO bit for an MCR instruction which begins an MCR area Input Variable View Object To add this view object to a simulation do one of the following e Choose the menu command Insert gt Input Variable e Click on the Insert Input Variable il button This view object allows you to monitor and modify the following data e Peripheral external input variables you can access the peripheral input PI memory areas of the CPU e Process image input variables you can access the input I memory areas of the CPU The CPU overwrites the memory with the PI memory at the beginning of every scan If you change an memory value the simulator immediately copies the changed value to the peripheral area This way the desired change is not lost when the peripheral value overwrites the process
58. o run and test your program on a simulated programmable logic controller PLC that exists on your computer or programming device such as a PG 740 Power PG or Field PG Because the simulation exists completely within the STEP 7 software you do not need to be connected to any S7 hardware CPU or I O modules With the simulated S7 PLC you can test and debug programs for both the S7 300 and S7 400 CPUs as well as WinLC S7 PLCSIM provides a simple interface for monitoring and modifying different parameters used by the program such as for turning inputs on and off You can also use the various applications of the STEP 7 software while you are running your program on the simulated PLC This allows you to use such tools as the variable table VAT to monitor and modify variables S7 PLCSIM Features S7 PLCSIM simulates an S7 controller and contains the following memory areas Memory Area Description Timers TOtoT 511 Memory bits 131 072 bits 16 Kbytes of M memory Total 131 072 bits 16 Kbytes of I O memory addressable I O memory Process image Maximum 131 072 bits 16 Kbytes setable updated every Preset 8192 bits 1024 bytes scan Local data Maximum 64 Kbytes setable Preset 32 Kbytes Logic blocks 2048 function blocks FBs and functions FCs and data blocks 4095 data blocks DBs System function SFBO SFB1 SFB2 SFB3 SFB4 SFB5 SFB8 SFB9 SFB12 SFB13 SFB14 blocks SFBs SFB15 SFB16 SFB19 SFB20 SFB21 S
59. ommand Help gt Using Help provides information on using the online Help system useful if you are new to software products based on Microsoft Windows Windows Help systems are designed to serve as online manuals About Command The menu command Help gt About gives you information on the version of the software and on the copyright Help Button To get information about S7 PLCSIM toolbars and features follow these steps P 1 Click La The mouse pointer changes to a question mark pointer 2 Click the part of the screen about which you want more information S7 PLCSIM displays the Help topic on that item 64 Reference Information S7 PLCSIM Numeric Data Formats Refer to the table below for the numeric data formats supported by S7 PLCSIM Numeric Data Format Sie Example i O it Byte O off EI on i inary yte Word Double Word its B i B ex B imal S7Format_ Die Word Double Word Real Double Word sting a Alphanumeric Characters This is a string DT DATE_AND_TIME 8 Bytes 1993 12 25 08 01 01 Note The DT numeric data format does not support milliseconds 00 Double Word 9 26 53 702 Slider Dec Byte Word Double Word MB 0 Slider Dec DI _ ip Value Slider Int Word Double Word Mw D SliderInt E ip Value D Slider Real Double Word MD O Slider Res Don Value i 2 Hexadecimal yte Word Double Word 2 65 Reference Information Troubleshootin
60. on ISBU Siemens Energy amp Automation Inc 2002 1 Internet Plaza Johnson City TN 37602 4991 USA Technical data subject to change Contents Contents GPU Operating ME CPU CIC e ROSIN e BASIC KC EE Starting the Simulation EE Using Hel DE Openinga Simulated PLC cswuidiuinendbenad nacional Opening Ay E Selecting Scan Mode Options EE Changing CPU Operating Modes sssessseesssssesnrrrrrrrsetrrtrrsstrtnrrrnnntssetnrnnnnnnrsene nne Using the Slider Ge g ge Ean earn emer a eres eer mee eee mere eee ere ae eee rrr eee Using S7 PLCSIM to Debug Your Program Using Interrupt OBs in Your Program ENNEN Modifying Your Hardware Configuration 0 ccccccceccceceeeeeeeeeeeeeeeeeneieeeeeeeeeteeeenaaees Downloading the Modified Configuration ccccccceceecceeeeeeeeeeeeecenneeeeeeeeessnneeeeeeees Resetting the CPU Memory EE Resetting UE Using Symbolic AddreSSiNg nennen Configuring an Tee EEN Using Record Playback ic cccccesisuauseqiuecesbedtusuncae pendeoetincen anager ueedseaeieisiactebebiemmmrayane Saute Troubleshooting TIPS E Monitoring the Scan Cy Gl sesira eg e Ke TE Saving a Simulated e E Closing a Simulated WT EEN Contents Ending the View Objec Input Varia Output Var Simulation SESSION 0 ceceeecececececccececececececececececececececeeeneseneeeneeeneseneeenaes LC 32 S7 PLCSIM View del CN CPU View OD eebe eecht eidele ee ACCUs amp Status Word View Obiec cee eee ceeeeeee
61. ory area This view object opens with a default memory location of IBO Bl Output Variable Command Click on il or select the menu command Insert gt Output Variable to create a view object that allows you to monitor and modify variables in the process output Q memory area This view object opens with a default memory location of QBO il Bit Memory Command Click on il or select the menu command Insert gt Bit Memory to create a view object that allows you to monitor and modify variables that are stored in the bit memory M area of the CPU This view object opens with a default memory location of MBO Timer Command Click on or select the menu command Insert gt Timer to create a view object that allows you to monitor and modify the timers that are used by the program This view object opens with a default memory location of T 0 l Counter Command Click on il Ka in German mnemonics or select the menu command Insert gt Counter to create a view object that allows you to monitor and modify the counters that are used by the program This view object opens with a default memory location of C 0 el Generic Command Click on al or select the menu command Insert gt Generic to create a view object that allows you to monitor and modify any of the variables used by the program such as the input I or output Q memory areas You can also access the data stored in the data blocks DBs Vertical Bits Command Click on or select t
62. r hardware configuration 22 numeric data formats toolbars 51 view objects 21 Save layout as command file menu Save layout command file menu 53 Save PLC as command file menu Save PLC command file menu 53 Saving a layout 28 Index Saving a simulated PLC 29 Scan continuous 6 ea 20 cycle BAS ing single 6 Scan cycle E command execute menu 59 Scan mode command execute menu Scan mode options selecting 16 Search highlighting 12 Search tab 12 Selecting maximum slider value 19 minimum slider value Numeric Format scan mode options SF indicator 10 Shortcut key combinations 51 Show button Show symbols symbolic addressing 24 61 Show symbols command tools menu 61 SIMATIC manager Simulate modules 11 Simulate Modules 4 8 Simulated PLC closing 30 Gr Simulated Program montana Simulation ending 20 starting Simulation on off button 11 Single scan 6 16 20 Single scan command execute menu Slider control using 19 Slider numeric format Stacks 18 Stacks command view menu 56 Stacks view object Standard toolbar Starting the simulation 11 Startup switch position command execute menu 59 Status bar command view menu Status word STOP STOP command execute menu String 64 Symbol table command tools menu Symbol tooltips 24 Symbolic addressing T Time data format 64 Time ST alel 2137 Timers 10 35 9358657 Toolbars 8 51 Too
63. rams intended for either the S7 300 or S7 400 CPU module e You can create view objects that allow you to access the input and output memory areas accumulators and registers of the simulated PLC You can also access memory through symbolic addressing e You can choose to have the timers run automatically or set and reset them manually You can reset timers individually or all at once e You can change the CPU operating mode STOP RUN and RUN P as with a real CPU In addition S7 PLCSIM provides a Pause feature that allows you to halt the CPU momentarily without affecting the state of the program e You can use interrupt OBs with the simulated PLC to test the behavior of your program e You can record a series of events manipulate input and output memory areas bit memory timers and counters and play back your recording in order to automate program tests You can use all of the STEP 7 tools to monitor and modify the activities of the simulated PLC and to debug your program Although the simulated PLC exists entirely in software requiring no special hardware STEP 7 works as if the simulated PLC were a real piece of hardware with few differences Product Overview What s New in S7 PLCSIM Version 5 2 The new features of version 5 2 of S7 PLCSIM are described below PLCSIM V 5 2 supports PLCSIM now supports the following programs and operating systems e STEP7 Lite V 2 0 e Machines with Windows XP Home e Machines with Window
64. rt Menu or the View Menu iiaia a a aa eg CPU Mode The CPU Mode toolbar contains selected commands from the Execute Menu UR var Record Playback Files The Record Playback Files toolbar button is also accessible from the Tools Menu Toolbar Shortcut Key Combinations You can toggle the display of any of these toolbars by concurrently pressing the Alt key anda function key The following shortcut key combinations are available ALT F1 Toggles the display of the Standard toolbar ALT F2 Toggles the display of the Insert toolbar ALT F3 Toggles the display of the CPU Mode toolbar ALT F4 Closes S7 PLCSIM ALT F5 Toggles the display of the Record Playback toolbar 52 Reference Information S7 PLCSIM Menus S7 PLCSIM includes the following menus for performing operations with the simulated PLC e File e Edit e View e Insert e PLC e Execute e Tools e Window e Help Reference Information File Menu The S7 PLCSIM File menu contains the following commands DI New PLC Command Click on D or select the menu command File gt New PLC to create a new simulated PLC Open PLC Command be To find and open an existing Saved simulation of a PLC click or select the menu command File gt Open PLC Close PLC Command Select the menu command File gt Close PLC to close the currently open simulated PLC This command closes the CPU view object and all other currently open view obje
65. s XP Professional e PCS7 V6 0 supports SFB35 Alarm 8P SFB31 Notify 8P Support for Fault Tolerant Systems S7 PLCSIM supports downloading the following blocks required by the S7400H CPU and the F System I O fault tolerant system e SDB99 SFC65091 SFC65092 SFC65093 SFC65094 SFC65095 SFC65096 SFB65098 SFC65099 SFC65103 and SFC65102 New CPU Firmware Support In addition to the currently supported CPU types S7 PLCSIM supports downloading the SDB set for the following CPUs with V3 0 and V3 1 firmware CPU MLFB 318 2 6ES7 318 2AJ00 0ABO 412 2 PCI 6ES7 612 2QH00 0AB4 416 2 PCI 6ES7 612 2QL00 0AB4 412 1 6ES7 412 1XF03 0ABO 412 2 DP 6ES7 412 2XG00 0ABO 414 2 DP 6ES7 414 2XG03 0AB0 416 3 DP 6ES7 416 3XL00 0ABO 417 4 6ES7 417 4XL00 0ABO H System CPU projects for example 414 4HJOO and 417 4HLO1 can be downloaded but the H Features can not be simulated fully in this version of PLCSIM Product Overview Getting Started If you are new to S7 PLCSIM the following procedures will help you get started Simulation mode is available from the SIMATIC Manager provided you don t have any existing connections to real PLCs To begin using S7 PLCSIM follow these steps ae 2 10 11 12 Open the SIMATIC Manager Click or select the menu command Options gt Simulate Modules This action starts the S7 PLCSIM application and opens a CPU view object with the default MPI address of
66. s dialog box allows you to test the loss of redundancy of PROFIBUS DP and can only be used with H CPUs Note that in order for you to use this OB menu command Execute gt Trigger Error OB gt I O Redundancy Error OB70 you must first have made any necessary modifications to your hardware configuration and downloaded your I O configuration The parameters that you select with this dialog box are passed to the following variables when the OB is called Parameter Variable Data Type Description Input Output Error Event Class OB70_EV_ CLASS BYTE Event class and IDs BH16 72 event entering state B 16 73 event leaving state Error Code OB70_FLT_ID BYTE Error code possible values B 16 A2 BHIGHAS You must also enter values for DP Master Base Address DP Master System ID DP Slave Base Address and DP Station Number Each field needs to match the value that was assigned in the STEP 7 hardware configuration of the project that you are simulating The DP Slave Base Address DP Station Number and the Input Output selection are only available for Error Code 0xA3 For further information reference STEP 7 Help on Organization Blocks OB70 STEP 7 Help The SIMATIC System Software for S7 300 400 System and Standard Functions Reference Manual 40 Error and Interrupt OBs CPU Redundancy Error OB72 This dialog box allows you to test a CPU redundancy failure and exists only with H CPUs The operating system of
67. s the data stored in the bit memory M area The default address is byte 0 MBO Timer allows you to access the timers used by the program The default timer is T 0 Counter allows you to access the counters used by the program The default counter is CO Generic allows you to access any of the memory areas in the simulated CPU including the data blocks DBs for the program Vertical Bits allows you to see the symbolic or absolute address of each bit and to monitor and modify data The vertical bits variable view object can be used to show a bit representation of peripheral input and output variables process image input and output variables bit memory and data blocks You can also use symbolic addressing to address any of these view objects The following three view objects are activated from the View menu Accumulators allows you to display the data in the different accumulators within the simulated CPU as well as the status word and address registers This view object displays four accumulator fields to accommodate the four accumulators of the S7 400 CPU Programs for an S7 300 CPU use only two accumulators Block Registers allows you to display the contents of the data block address registers within the simulated CPU It also displays the number of the logic block that is currently being executed and the number of the previous logic block along with the number of the instruction step address counter or SAC being execute
68. slider control indicator Changing the position of the indicator changes the value of the variable stored in the memory location You can also enter a specific value in the Value field You can also configure a minimum and maximum value for the slider control Selecting a range of values does not affect the values that can be stored in the variable the minimum and maximum values affect only the values that can be entered or displayed by the slider control Selecting a range of values provides the following benefits e You can simulate a specific range of values for example the range of values that would be generated by a specific analog module e By limiting the range of values between the minimum and maximum you can provide better resolution for entering data with the slider You can always enter an exact value in the Value field of the view object To select a minimum value for the slider select Min from the Display Value Min or Max drop down list of the view object Then enter the numeric value for the minimum in the Min field To select a maximum value for the slider select Max from the Display Value Min or Max drop down list of the view object Then enter the numeric value for the maximum in the Max field 20 Basic Tasks Using S7 PLCSIM to Debug Your Program S7 PLCSIM provides the following features to help you debug your program The Pause command halts the simulated CPU immediately and allows you to resume the
69. test when the first loss of redundancy occurs in a fault tolerant S7 connection and exists only with H CPUs Note that in order for you to use this OB menu command Execute gt Trigger Error OB gt Communication Redundancy Error OB73 you must first have made any necessary modifications to your hardware configuration and downloaded your I O configuration The parameters that you select with this dialog box are passed to the following variables when the OB is called Parameter Variable Data Type Description Error Event Class OB73_EV_ CLASS BYTE Possible value of B 16 73 loss of redundancy in communication or B 16 72 problem eliminated Error Code OB73_FLT_ID BYTE Possible value of B 16 E0 For further information reference STEP 7 Help on Organization Blocks OB73 STEP 7 Help The SIMATIC System Software for S7 300 400 System and Standard Functions Reference Manual 43 Error and Interrupt OBs Time Error OB80 This dialog box allows you to test the program that you downloaded in OB80 Time Error The parameters that you select with this dialog box are passed to the following variables when the OB is called Parameter Variable Data Type Description Cycle time exceeded OB80_FLT_ID BYTE Error code B 16 01 Requested OB is still OB80_FLT_ID BYTE Error code B H16 02 being processed OB call buffer overflow OB80 FLT ID BYTE Error code B 16 07 for the current priority class Expired time of day interrupt
70. the H CPU calls OB72 when one of the following events occurs Loss of CPU redundancy Reserve master switchover Synchronization error Error ina SYNC module Updating aborted Comparison error for example RAM PIQ OB72 is executed by all CPUs that are in the RUN or STARTUP mode following a suitable event Note that in order for you to use this OB menu command Execute gt Trigger Error OB gt CPU Redundancy Error OB72 you must first have made any necessary modifications to your hardware configuration and downloaded your I O configuration The parameters that you select with this dialog box are passed to the following variables when the OB is called Parameter Variable ID Error Event Class OB72_EV_CLASS B 16 73 BHI 6 75 BHI 6 78 BHI 6 79 Error Code OB72_FLT_ID See fault ID table 41 Error and Interrupt OBs OB72 Fault Ids Error Codes The error code in OB72_FLT_ID indicates which event occurred that caused the OB72 call OB72_FLT_ID BHI 6 01 BHI 6 02 BHI 6 03 BHI 6 20 BH 6 21 BHI 6 22 BHI 6 23 BHI 6 31 BHI 6 33 BHI 6 34 BHI 6 35 B 16 40 B 16 41 B 16 42 B 16 43 B 16 44 B 16 50 B 16 51 B 16 52 B 16 53 B 16 54 B 16 55 B 16 56 B 16 C1 B 16 C2 Start Event of OB72 Loss of redundancy 1 of 2 due to a CPU failure Loss of redundancy 1 of 2 due to STOP on the reserve triggered by user H system 1 of 2 changed to redundant mode Error in RAM comparison Error comparing process image outp
71. ther bits within the byte could be represented as changing for instance process flags or Boolean inputs when in fact they would not be affected during operation of a real PLC am trying to record When recording events with the CPU view object in Single Scan mode events in Single Scan note the following Ip mode but the recorder does not function as would expect You cannot start a recording in Single Scan mode unless you click the Next Scan 1 button to increment the scan count The first event in your recording must have a Delta value of 1 or higher The Delta value is based on the number of scan cycles that have occurred since the previous event which in this case was when you clicked the Record button However if you are beginning the recording in Single Scan mode no scan cycles have elapsed You must increment the scan When you record events in Single Scan mode they have a Delta value of zero because they are all occurring within the same scan Therefore when you play back the recording all the events that you recorded during a single scan are displayed in such rapid sequence that they appear to occur simultaneously To provide a discernable time lag between events you would have to click the Next Scan button or switch between Continuous Scan mode and Single Scan mode for each event My event file contains Events are recorded with German mnemonics in S7 PLCSIM regardless of German mnemonics your STEP 7 selectio
72. tle bar keeps track of how many have been played back Note that if you start a recording but do not promptly begin to trigger events the recorder captures the time lag When you play back the recording the first event will take an equally long time to occur You can examine the event file to verify that in fact your events have been properly recorded You can adjust the playback speed of the recording by using the Delta IR button You can use long descriptive file names to help differentiate your event files If necessary you can use a text editor to examine your files and locate the one with the correct sequence The default storage location for event files is C Siemens Step7 PLCSIM S7EVENTS However if you upgraded from version 3 0 or 4 0 of S7 PLCSIM the default storage location is C Siemens STEP7 S7wsi S7EVENTS 27 Basic Tasks Troubleshooting Tips continued Problem Solution changed a single If an Input Variable Output Variable Bit Memory Generic Variable or bit but when played Vertical Bits View Object shows only one bit e g Q0 0 Bits a bit change back my recording the entire byte changed is recorded correctly as only a change in that particular bit However if the view object displays all eight bits e g QBO Bits a change to a single bit is recorded as a change in byte value instead of a change in that bit only Consequently it becomes possible that during playback of the recording o
73. tting Timers The Reset Timers dialog box allows you to reset any or all of the timers used in your program to their default values Selecting All Timers resets all of the timers in the program you can also select specific timers to reset T 0 To reset all of the timers in your program use the Reset Timers m toolbar button T 0 To reset an individual timer use the Reset Timers button on the timer view object for the specific timer 24 Basic Tasks Using Symbolic Addressing To use symbolic addressing in your simulated program 1 Select the menu command Tools gt Options gt Attach Symbols This menu command invokes a dialog box Browse to the STEP 7 symbol table to be referenced Click the OK button Create view objects for variables that you want to address symbolically OY Ge at To turn on symbols for all view objects select the menu command Tools gt Options gt Show Symbols To hide the symbols select the command again For the Vertical Bits view object bit values are displayed vertically and the symbolic or absolute address is displayed beside each bit For all other view objects symbol tooltips are available for the address fields Point to a field with the mouse to see its symbolic address and comment separated by a colon in a tooltip box Configuring an MPI Address Use the MPI Address dialog box menu command PLC gt MPI Address to configure the simulated PLC for a specific ne
74. twork node address The new address is stored with the configuration of the simulated PLC when you use the Save PLC or Save PLC As menu commands Ensure that the node address for the offline program matches the node address for the program in the simulated PLC When the Simulation On Off button on the SIMATIC Manager toolbar is turned on clicking the Accessible Nodes button shows you that the simulated PLC that is currently open Note You cannot change the node address for the simulated PLC while you are using STEP 7 applications to monitor the program Close these applications before changing the node address 25 Basic Tasks Using Record Playback The Record Playback dialog box allows you to record or play back a series of data changes oM A S en al no file Idle To access this window do one of the following e Choose the Tools gt Record Playback menu command e Click the Record Playback button The key sequence Alt F5 toggles the display of the Record Playback toolbar button This topic discusses the following subjects e How to Record or Play Back an Event File e Troubleshooting Tips How to Record or Play Back an Event File Click the New Event File button to create a new event file Click the Open Event File button to locate and open an existing event file Click the Save Event File button to save the events that you have just recorded gt Click the Play button to play back an existing
75. u commands and tabs Help Buttons Hide Button Show Button Toggles the display of the navigation area Table of Contents Index and Search tabs To reduce the overall size of the help window you can hide the navigation area when you are ready to search for new topics click the Show button to restore the navigation area Back Button If you have examined more than one topic this button allows you to move back to the previous topic s Print Button Allows you to send a selected topic or an entire book to any printer that you have installed Options Button Menu Commands Hide Tabs Show Tabs Toggles the display of the Table of Contents Index and Search tabs To reduce the overall size of the help window you can hide the tabs when you are ready to search for new topics you can show the tabs Back If you have examined more than one topic this option allows you to move back to the previous topic s Forward If you have moved back in the sequence of topics examined this option allows you to move forward until you reach the topic that you were viewing when you started moving back Home Takes you to the web page that is defined as the home page for the S7 PLCSIM online help Stop Allows you to stop the browser from retrieving any more information pertaining to the current help page This command is useful if a page contains a great deal of information for example large graphic files that causes the page to take a long time t
76. ule interrup t OB73 46 priority class error OB85 4 ER rack failure OB86 4 time error OB80 43 using interrupts Open connection message Open layout command file et Open PLC command file menu Opening a layout 14 wi Opening a simulated PLC 14 Operating Modes 6 32 changing 17 CPU 9 Options Options button 12 Output Output variable command insert menu eu variable view object 18 33 Pause 6 Pause command execute Ge Peripheral access error 65 Peripheral variables 6 10 3 35 36 Input Output 33 PI peripheral input 10 Playback 25 PLC closing 30 a Index 3 Paste a menu PLC menu Power cycle 17 Power off command PLC menu Power on command PLC menu 58 PQ peripheral output 10 Print button Priority class error OB85 21 37 47 47 Process image memory variables 6 input output 3 Program simulation 4 Q Q output 10 R Rack failure OB86 Real data format 64 Real S7 PLC 11 Differences from Recent layout command file menu Recent simulation command file menu 14 53 Record playback Record playback command tools menu 61 Reference data command tools menu nal timers command execute menu 59 Resetting the CPU memory 23 Resetting timers 29 34 RUN 9 10 RUN command execute menu RUN P command execute menu 59 S S5TIME 64 S7 format S7 300 CPUs S7 400 CPUs aA S7 PLCSIM features menus 52 modifying you
77. us Scan Put the simulated CPU in RUN mode by clicking either the RUN or RUN P check box Click bit 0 of IBO to simulate turning on input 0 0 and watch the effect on the timers and on QBO Click a or select the menu command File gt Save PLC As to save the current state of the simulated PLC as a new file Product Overview Using STEP 7 to Monitor Program Simulation You can also use the STEP 7 tools to monitor the simulation of your program as follows 1 When you have created the view objects step 7 above go to the SIMATIC Manager 2 Click or select View gt Online to switch to online mode Navigate to the Blocks object in the ZEBRA example project and open FC1 This action invokes the LAD STL FBD application 4 When the simulated CPU is in RUN mode and you have turned on bit 0 of IBO step 11 above go to the LAD STL FBD application window and select Debug gt Monitor to see the effect of these changes on the program Product Overview Differences from a Real S7 PLC The simulated PLC provides the following features which are not available in a real PLC The Pause command halts the simulated CPU and allows you to resume the execution of the program at the instruction where the program was halted You can change the operating mode RUN RUN P and STOP as you do with a real CPU Unlike with a real CPU however putting the simulated CPU in STOP mode does not change the state of the outputs Any chang
78. ut value Error comparing memory bits timers or counters Different operating system data recognized Standby master switchover due to master failure Standby master switchover due to operator intervention Standby master switchover due to sync module connection problem Standby master switchover triggered by 90 H_CTRL Synchronization error in user program due to elapsed wait time Synchronization error in user program due to waiting at different synchronization points Synchronization error in operating system due to waiting at different synchronization points Synchronization error in operating system due to elapsed wait time Synchronization error in operating system due to wrong data No SYNC module Modification at SYNC module without Power On SYNC module removed inserted Modification at SYNC module without reset SYNC module rack number assigned twice SYNC module error eliminated Illegal rack number set on the SYNC module Updating aborted Abort of update attempt because a monitoring time was exceeded during the n th attempt 1 lt n lt maximum possible number of update attempts after an abort due to the monitoring time being exceeded For further information reference STEP 7 Help on Organization Blocks OB72 STEP 7 Help The SIMATIC System Software for S7 300 400 System and Standard Functions Reference Manual 42 Error and Interrupt OBs Communication Redundancy Error OB73 This dialog box allows you to
79. y OB73 communication redundancy error 417 H systems only OB80 time error OB82 diagnostic interrupt OB83 insert remove module OB85 priority class error OB86 rack failure Error and Interrupt OBs Hardware Interrupt OB40 OB47 This dialog box allows you to test the program that you downloaded in OB40 to OB47 Note that in order for you to use this OB menu command Execute gt Trigger Error OB gt Hardware Interrupt OB40 OB47 you must first have made any necessary modifications to your hardware configuration and downloaded your I O configuration The operating mode of the simulated CPU must be either RUN or RUN P The parameters that you select with this dialog box are passed to the following variables when the OB is called Parameter Variable Data Type Description Module address OB4x_MDL_ADDR WORD Logical base address of the module that triggers the interrupt Module status OB4x_POINT_ADDR DWORD For digital modules bit Hex field with the status of the inputs on the module Bit 0 corresponds to the first input For analog modules CPs or FMs interrupt status of the module Interrupt OB OB4x_OB_ NUMBR BYTE OB number 40 to 47 read only For further information reference STEP 7 Help on Organization Blocks OB40 0B47 STEP 7 Help The SIMATIC System Software for S7 300 400 System and Standard Functions Reference Manual 39 Error and Interrupt OBs UO Redundancy Error OB70 Thi

S7-PLCSIM V5.2 - Oskon Otomasyon

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