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USER MANUAL - ProSoft Technology

1. Parameters to the module will force a reset of the communication port as well as dropping DTR for 200 ms pulses to reset any attached hardware The configuration data block structure which must be transferred from the processor to the module is as follows Data Word Description Block ID Header 255 Port 1 O N j 0 Port Configuration Word 1 N j 1 Slave Address 2 N j 2 Baud Rate 3 N j 3 RTS to TxD Delay 4 N j 4 RTS off Delay 5 N 5 Message Response Timeout 6 N 6 Inter character timing 7 N j 7 Direct Control 8 N j 8 Not Used 9 N J 9 Not Used Port 2 10 N j 10 Port Configuration Word 11 N 11 Slave Address 12 N 12 Baud Rate 13 N 13 RTS to TxD Delay 14 N 14 RTS off Delay 15 N 15 Message Response Timeout 16 N 16 Inter character timing 17 N j 17 Direct Control 18 N 18 Not Used 19 N 19 Not Used System Configuration 20 N 20 Not Used 21 N j 21 Data Block Count 22 N 22 Not Used 23 N 23 Not Used 24 N 24 Not Used 25 N 25 Block Transfer Delay Counter 26 N 26 Status Data File Length 27 N 27 Analog Data File Length 28 N 28 Meter Data File Length 29 N 29 Tank Data File Length Where For Port 1 and Port 2 Port Configuration Word This register contains several communication configuration parameters encoded into the word These are as follows Stop Bits The number of stop bits to be used is defined as follows Bits 13 12 0 O One stop bit 0 1 Two stop bits 1 x Invalid Port Configurati
2. The following table documents the differences between LEDs on the two hardware platforms and explains the operation of the LEDs ProSoft CIM A B 1771 DB Card Rev B Card ACTIVE OO FLT ACTIVE OO FLT CFG OO BPLN DH485 OO BTLO ERR1 OO ERR2 LED1 OO LED2 TXD1 OO TXD2 PT1X OO PT2X RXD2 OO RXD2 PT1R OO PT2R Table 6 1 PLC Platform LED Indication Pas Tse Toma esas CIM DB B Color ACT ACT Green aa Normal state The module is operating een normally and successfully Block Transferring with the PLC The module is receiving power from the backplane but there may be some other problem Indicates the module has somehow entered the Basic Programming Mode Verify jumper JW4 DB B only configuration If all are correct then contact the factory The module is attempting to Block Transfer with the PLC and has failed The PLC may be in the PGM mode or may be faulted FLT FLT Off Normal State No system problems are detected during background diagnostics On A system problem was detected during background diagnostics Please contact factory for technical support 20 26 6 2 Table 6 1 PLC Platform LED Indication Cont d ee ee temo Name Name Color is occurring is occurring at this time Blink This light blinks every time a Module nn a ba Configuration block ID 255 is received from the processor ladder logic The light is on continuously whenever a configuration error is detected The error could be in the Port Con
3. Carriers 20372 M Firmware Installation 3150 Module from ProSoft Technology Jumpers JW 1 and JW 2 Port 1 and Port 2 Configuration Both of these ports operate electrically in a very similar fashion The following diagrams depict the appropriate jumper placement Jumper JW1 Settings eee RS 232 423 h eee Shipped Configuration Daughter Board ee e Daughter Board Daughter Board eee wl 6 8 i RS 485 Mother Board Daughter Board Daughter w3 B Boan F p o Jumper JW2 Settings JW2 Daughter Board Daughter Board eee eoo ni RS 232 423 Shipped Configuration Daughter Board i eo e ele RS 422 Daughter Board o o Jumpers JW 3 and JW 4 are not used by 3150 module 1746 BAS Module from Allen Bradley Jumpers JW 1 and JW 2 Port 1 and Port 2 Configuration Both of these ports operate electrically in a very similar fashion The following diagrams depict the appropriate jumper placement Jumper JW1 Settings eee RS 232 423 h eee Shipped Configuration Daughter Board ee e Daughter Board Daughter Board Da z RS 485 Mother Board Daughter Board Daughter Board JW3 Jumper JW2 Settings JW2 Daughter Board eee eoo ni RS 232 423 Shipped Configuration Daughter Board i eo e ele RS 422 Daughter Board o o Daughter Board 1
4. ERR2 Table 6 2 SLC Platform LED Indication name Color staus indcaton Name Color Fast and successfully Block Transferring with the SLC a E E but there may be some other problem Blink Indicates the module has somehow entered the 1 Sec Basic Programming Mode Verify jumper JW3 BAS T only configuration If all are correct then contact the factory The module is attempting to Block Transfer with the SLC and has failed The SLC may be in the PGM mode or may be faulted Not in initial release FLT Off Normal State No system problems are detected during background diagnostics A system problem was detected during background diagnostics Please contact factory for technical support occurring at occurring at this time Blink This light blinks every time a Module Configuration block ID 255 is received from the processor ladder logic The light is on continuously whenever a configuration error is detected The error could be in the Port Configuration data or in the System Configuration data See Section 4 for details BPLN Normal State When this light is off and the ACT light is blinking quickly the module is actively Block tain data with the SLC Indicates that Block Transfers between the SLC and the module have failed 27 28 Table 6 2 SLC Platform LED Indication Cont d ERR1 Amber aeann State When the error LED is off and the ERR2 related port is actively transferring data there are no
5. Error Code This value is the last error code transmitted to the master by this slave port Error codes which can be expected in this field are 0 1 2 3 and 6 The field will only be cleared by re configuring the module Block ID 255 Total Messages to This Slave This value represents the total number of messages that have matched this slaves address on this port whether the slave actually determined them to be good worthy of response or not Total Message Responses From This Slave This value represents the number of good non error responses that the slave has sent to the master on this port The presumption is that if the slave is responding the message was good Total Messages Seen By This Slave This value represents the total number of commands seen by the slave on this port regardless of the slave address All counters in the Slave Error Table will rollover to 0 after reaching 65535 Product Name These two words represent the product name of the module in an ASCII representation In the case of the CAS product the letters CAS should be displayed when placing the programming software in the ASCII data representation mode Revision These two words represent the product revision level of the firmware in an ASCII representation An example of the data displayed would be 1 40 when placing the programming software in the ASCII data representation mode Blank Not used at this time 4 2 4 Production Run
6. Freeze Meters 5 2 command 43 45 received from the Master It is addressed in the same fashion as Function 3 Function 16 Read All Data This general purpose command is partially supported in the ProSoft Module The following Data Select Types are available from the module Status Inputs Data Select bit 7 Analog Inputs Data Select bit 6 Meter Accumulator Inputs Data Select bit 5 The command allows up to 63 analog values to be requested and up to 7 meters If no data quantity is requested length fields are zero all of the available data as defined in the Configuration Parameters will be returned When the Status Inputs are requested the full status table is returned Control Commands From Master When Control commands are received from a Master their action is immediately communicated to the PLC SLC for action No modification is made directly to the ProSoft Module s memory as a result of a Control Command In order for any Control action to be reflected in the module s memory it must be transferred within the Status Data block 5 2 1 5 2 2 Function 30 31 Momentary Control Select Operate These control commands are recognized by the module If the Operate command is received out of sequence must be received in next communication sequence after Select command the command is disregarded If the module is configured for Direct Control then the Master need only send the Operate command for action to
7. Technology EPROM into the module s User Socket Align the notches on the EPROM plastic carrier with the notches in the User socket Make sure the EPROM is well seated 2 Remove the plastic lens cover from the 1746 BAS module and slip on the new cover provided with the firmware Make sure the cover is firmly affixed to the module Once the firmware has been installed and the module s jumpers have been verified the hardware is ready to be inserted into the I O rack Ill Programming Considerations The CAS product family is very easy to implement In both the PLC and the SLC platforms the addition of several simple ladder rungs and the configuration of several configuration registers enables the module to operate as a very effective Modbus Master and Slave protocol interface To ease initial contact with the product we have included a demonstration ladder program in Appendix A An electronic copy of the ladder logic is available on disk with each product purchase The following discussion covers the example logic located in Appendix A in an overview fashion In addition an explanation is given on how to adjust the ladder logic for a different application 3 1 3100 CAS Overview Programming of the 3100 CAS is less complicated than our previous products for the PLC 5 environment Once all of the jumpers have been setup and the chip installed the module is ready to be configured and run See Section 4 for details on configuring the m
8. block structures but the basic data structure is Word Description 0 Block ID code 1 63 Data In a PLC the BTW length must be configured for 64 words otherwise module operation will be unpredictable Where Block ID Code A block identifier code between 0 and 255 in value This code is used by the ProSoft module to determine what to do with the data block Valid codes are Code Description 0 19 Module Data Memory 255 Module Communication Configuration Data The data to be written to the module The structure of the data is dependent on the Block ID code The following sections provide details on the different structures 4 1 1 Communications Configuration Block ID Code 255 The ProSoft Technology firmware communication parameters must be configured at least once when the card is first powered up and any time thereafter when the parameters must be changed On power up the module enters into a logical loop waiting to receive configuration data from the processor While waiting the module sets the first word of the BTR buffer to 255 telling the processor that the module must be configured before anything else will be done The module will continuously perform block transfers until the communications configuration parameters block is received Upon receipt the module will begin execution of the command list if present or begin looking for the command list from the processor Transferring the Communications Configuration
9. for Processor Functions 3 F1 for Change Processor Modify the processor here if necessary Note the CAS will only work with 5 02 or greater processors 4 F5 for Configure I O Select 1746 BAS module for SLC 5 02 or greater or enter 13106 for module code 5 F9 for SPIO Config when the correct slot is highlighted 6 F5 Advanced Setup 7 F5 for MO file length type in 64 and Enter 8 F6 for M1 file length type in 64 and Enter Esc out and save configuration Ladder Logic Considerations Those familiar with our 1100 family of products will observe that the ladder logic requirements for the CAS are substantially less Much of the simplification of the ladder logic is due to e The module now controls and feeds the Block ID numbers to the ladder logic All ladder logic associated with manipulating the Block ID number has been eliminated The number of data registers transferred to from the module is controlled through the setup of several configuration registers See Section 4 1 Write Data Block Count 3 3 1 Operational Overview On power up the module moves a 255 into Word 1 of the BTR data file This is a signal that the module needs to receive configuration data before proceeding any further Once the configuration is received the module will begin transferring data to and from the processor IV Theoretical Operation Data transfers between the processor and the ProSoft Technology module occur using the Block Transfer comman
10. or BCD file Slave Error Code Table The CAS Module monitors the status of all Slave port commands This status is communicated to the processor in the form of a Slave Error Code Table The Slave Error Code Table is initialized to zero on power up and every time the module receives the 255 configuration data block The Slave Error Table is a 20 word block returned to the processor whenever the BTR Block ID is 0 WORD DESCRIPTION 0 BTR Block ID 0 Module Status 1 BTW Block ID Number 2 Begin Status Data Block The structure of the data block is as follows WORD DESCRIPTION Port 1 0 Port Scan Error status 1 Last transmitted error condition 2 Total Messages to this slave 3 Total Msg responses from this slave 4 Total Msgs seen by this slave Port 2 5 Port Scan Error status 6 Last transmitted error condition 7 Total Messages to this slave 8 Total Msg responses from this slave 9 Total Msgs seen by this slave System Information 10 11 Product Name ASCII 12 13 Revision ASCII 14 blank 15 Production Run Number 16 19 Spare Where Port Scan Error Status This register contains the port s Scan status in the upper byte and the port s current error status in the lower byte The Scan Status is encoded in the upper byte as follows Bit Description 13 Status Data scan 14 Analog Data scan 15 Read All Data scan Port error status codes values are detailed in the following section Last Transmitted
11. the Start Card Address is used to identify the starting word and the Number of Cards is used to identify the number of words Function 2 Read Analog Data The module supports access to a total of up to 250 words of analog data from the ladder processor In TCAP vernacular the Start Card No and the Start Point No Upper and lower four bits respectively are treated as one byte to develop a starting word address while the Number of Analogs is used to determine the number of words to be returned to the Master Function 3 Read Meter Data The module supports access to a total of up to 250 words of Meter data 125 meter readings from the ladder processor In TCAP vernacular the Starting Meter Number is used to determine the first word to be accessed while the Number of meters to be returned value is used to determine the number of words to be returned to the Master Function 10 Read Frozen Analog Data This function provides the Master access to the contents of up to a 250 word buffer maintained in the module This buffer contains the analog values stored as a result of the last Freeze Analogs command 44 45 received from the Master It is addressed in the same fashion as Function 2 Function 11 Read Frozen Meter Data This function provides the Master access to the contents of up to a 250 word buffer maintained in the module This buffer contains the meter values stored as a result of the last
12. 254 255 Stop bit configuration Baud rate configuration Start Input Register Address Start Output Register Address System Configuration Error If this value is returned from the module one of the system configuration parameters has been determined to be out of range To determine the exact source of the problem verify the following Read Block Count Write Block Count Command Block Count Slave Error Pointer Master Error Pointer Checksum Error The slave determined that the message checksum was in error and therefore discarded the message TX Hardware Time out A time out has occurred in the transmission of the command from the master and the command has been aborted This error is usually an indication that the CTS signal is not being received by the module This page intentionally left blank 21 22 Protocol Commands The ProSoft Technology CAS module communication driver supports several data read and write commands When configuring an application it may be important to understand how the commands function in order to determine how to structure the application data 5 1 Data Read Functions As stated in earlier sections the data sent to the master is taken directly out of the module s memory at the time a response is sent 5 1 1 Function 1 Read Status Data The module supports access to a total of up to 250 words of status data from the ladder processor In TCAP vernacular
13. 3100 3101 CAS Revision 1 1 3150 3151 CAS Revision 1 1 September 1995 Corporate Office 1675 Chester Ave Fourth Floor Bakersfield CA 93301 661 716 5100 Phone 661 716 5101 Fax Southeast US Sales Office 650 N Sam Houston Parkway E Suite 500 Houston TX 77060 713 999 7565 Phone 713 999 0823 Fax Teledyne CA Slave USER MANUAL Please Read This Notice Successful application of the CAS card requires a reasonable working knowledge of the Allen Bradley PLC or SLC hardware and the application in which the combination is to used For this reason it is important that those responsible for implementing the CAS satisfy themselves that the combination will meet the needs of the application without exposing personnel or equipment to unsafe or inappropriate working conditions This manual is provided to assist the user Every attempt has been made to assure that the information provided is accurate and a true reflection of the product s installation requirements In order to assure a complete understanding of the operation of the product the user should read all applicable Allen Bradley documentation on the operation of the A B hardware Under no conditions will ProSoft Technology Inc be responsible or liable for indirect or consequential damages resulting from the use or application of the CAS product Reproduction of the contents of this manual in whole or in part without written permission from ProSoft Technol
14. 746 BAS Module from Allen Bradley Cont d Jumpers JW 3 Memory Selection Jumper This jumper must be selected for the 1747 M4 UVPROM The jumper must be as follows Jump 4 to 6 Jump 3 to 5 Optional Memory Module Socket oe Mother __ s Board Daughter Board 1746 BAS Module from Allen Bradley Cont d Jumpers JW 4 Module Port Configuration This jumper must be selected as follows Jump 2 to 4 Jump 1 to 3 APPENDIX D Product Revision History This page intentionally left blank Product Revision History 09 05 95 04 04 96 Revision 1 10 Initial release of product Started w CAS code and original CA Slave Driver code Revision 1 11 Minor Upgrade Modified the CAS code for SLC to support the use of DSR signal instead of DCD The SLC platform hardware does not have a DCD signal This page intentionally left blank
15. NCIDENTAL SPECIAL OR CONSEQUENTIAL DAMAGES WHETHER IN AN ACTION IN CONTRACT OR TORT INCLUDING NEGLIGENCE AND STRICT LIABILITY SUCH AS BUT NOT LIMITED TO LOSS OF ANTICIPATED PROFITS OR BENEFITS RESULTING FROM OR ARISING OUT OF OR IN CONNECTION WITH THE USE OR FURNISHING OF EQUIPMENT PARTS OR SERVICES HEREUNDER OR THE PERFORMANCE USE OR INABILITY TO USE THE SAME EVEN IF PROSOFT OR ITS DEALER S TOTAL LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT Where directed by State Law some of the above exclusions or limitations may not be applicable in some states This warranty provides specific legal rights other rights that vary from state to state may also exist This warranty shall not 7 3 3 be applicable to the extent that any provisions of this warranty is prohibited by any Federal State or Municipal Law that cannot be preempted Hardware Product Warranty Details Warranty Period ProSoft warranties hardware product for a period of one 1 year Warranty Procedure Upon return of the hardware Product ProSoft will at its option repair or replace Product at no additional charge freight prepaid except as set forth below Repair parts and replacement Product will be furnished on an exchange basis and will be either reconditioned or new All replaced Product and parts become the property of ProSoft If ProSoft determines that the Product is not under warranty it will at the Customer s option repair the Product using current Pro
16. Number This number represents the batch number that your particular chip belongs to This number should appear as a number equal or greater than 2 This should help the factory determine when the User s chip was created Error Status Codes The Error Codes returned in the Slave and Master Error Code Tables reflect the outcome of the commands and responses executed by the module Note that in all cases if a zero is returned there was not an error Valid Error Status Codes are as follows Code 0 16 Description All OK The module is operating as desired Illegal Function An illegal function code request has been received from the master Illegal Data Address The address or the range of addresses covered by a request from the master are not within allowed limits Illegal Data Value The value in the data field of the command is not allowed Module Busy The module busy status code is returned when a write command from the master has not yet been completed when a second write command is received Illegal Command An illegal function code request has been received from the master Data Sequence Error The Operate command was received out of sequence not immediately after a Select Port Configuration Error If this value is returned from the module one or both of the serial ports have been misconfigured To determine the exact source of the problem verify the following Parity configuration 20 18
17. Soft standard rates for parts and labor and return the Product freight collect 31 32 This page intentionally left blank APPENDIX A 1 PLC 5 Example Ladder Logic APPENDIX A 2 SLC 5 02 Example Ladder Logic APPENDIX B CABLE DIAGRAMS RS 232 RS 429 RS 485 Definitions of RS 232C Handshaking Signals SIGNAL TITLE DESCRIPTION Transmitted Data Carries serialized data It is an output from the module Received Data RXD is serialized data input to the module RXD is isolated from the rest of the circuitry on the modules Request To Send RTS is a request from the module to the modem to prepare to transmit RTS is turned ON when the module has a message to transmit Otherwise RTS is OFF CTS Clear to Send CTS is a signal from the modem to the module that indicates the carrier is stable and the modem is ready to transmit The module will not transmit until CTS is on If CTS is turned off during transmission the module will stop transmitting until CTS is restored Data Terminal DTR is a signal to the modem to indicate that the Ready module is operational and ready for communication The module will continually assert DTR Data Set Ready DSR is a signal from the modem to the module to indicate that the modem is operational and ready for communication The CAS product family does not require the DSR signal to operate correctly This signal is disregarded by the CAS units Data Carrier Detect DCD is a signal from the modem
18. Three basic different types of data are read from the module into the processor e Module Status Data Block IDO e Write Data from Host Block ID 1 2or4 e Configuration Request Block ID 255 The data structure for the block transfer depends on the type of block data The following sections detail the different types of data In a PLC the BTR length must be configured for a length of 64 words otherwise module operation will be unpredictable The ladder logic must be programmed to look at the BTR buffer decode several words and then take action The BTR buffer definition is Word Description 0 Block ID Code 1 BTW Block ID Number 2 62 Data Where BTW Block ID Number The module returns this value to the processor to be used to enable the movement of register data and command list blocks to the module The BTW Block ID number is developed by the module based on the parameters entered in parameter 22 of Block 255 See Section 4 1 1 This value is intended to only be a suggestion and to ease the ladder logic programming requirements If it is desired to develop a different data transfer series this may be easily accomplished in ladder logic Data The contents of the module s Register Data space 0 999 This data will contain data received from the slaves and data moved from the processor The values will be 16 bit register values and should be placed into integer files Note that the user application ladde
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20. cee cearcencedtic madeaaiee 23 5 2 Control Commands From Master ceeeeeeeeeeeeeeeeeeeeeeenneeeeeeeeeeeeeeenneeeeeeees 23 5 2 1 Function 30 31 Momentary Control Select Operate 23 5 2 2 Function 32 33 Continuous Control Select Operate 23 5 2 3 Function 34 35 Setpoint Select Operate eee 24 5 3 Freeze Data COMMANGG cccceeeeeeeeeeeeeeeeeeeeeeeteeeeaaaeeeeeeeeeeensnsaaaeeeeeees 24 5 3 1 Function 43 Freeze Meters ccccceeeesssccceeeeeeeeeeesseneeeeeeeees 24 5 3 2 Function 44 Freeze Analogs cceeeeeeeeeneeeeeeeeeeeeesennneeeeeeees 24 5 3 3 Function 45 Freeze Meters and Analogs eseeeeeeeeeeees 24 Hardware Diagnostics sists da tae So a NS en Bad cae che cad es 2 Poco ae ennn 25 6 1 3100 310 1 PEG Platform Acen e a eea ree in aie a RAN 25 6 2 3150 3151 SLC Platformen i e EE a 26 Support Service and WV AM AMNY ences tat ceees sink ste eng devs ete nv ad cae heels ea 29 7 1 Technical SU ON Use eso oe aaa Oe hates aah sec cae aaa es aeattey sassy Slane tease 29 7 2 Module Service andsRep alt vcscretsse Sate cteesieas eeadide ate hengeei tata cima 29 PONV OLCOINY Aine ctecie Gat ate Mane nei eae as ae nent ai A E A 30 7 3 1 General Warranty Policy nnneeeesseeennernneesserrenrrnrressrrrrnrrnnnesee 30 7 3 2 Limitation of Era Duy ccs cane acces dant ts nacuc dds cas tia aoe cae 30 7 3 3 Hardware Product Warranty Details cc
21. ceeeeeeeeteeeeeeeees 31 Appendices Appendix A PLC 5 Example Ladder Logic SLC Example Ladder Logic Appendix B Definitions of RS 232C Handshaking Signals RS 232 Cabling RS 422 and RS 485 cable Appendix C 3100 3101 Jumper diagrams 3150 3151 Jumper diagrams Appendix D Product Revision History Card Overview The 3100 3150 CAS CA Slave product family allows Allen Bradley 1771 and 1746 I O compatible processors to easily interface with Teledyne CA protocol compatible hosts The product is available from ProSoft Technology as either a module or a firmware solution The firmware solution allows standard Allen Bradley 1771 DB B and 1746 BAS modules to be used as hardware platforms The CAS product includes the following standard features General Specifications Two fully configurable serial ports each capable of supporting the Teledyne CA Slave protocol RS 232C handshaking for SCADA radio modem applications RS 422 RS 485 compatible for multidrop applications with up to 32 slaves per port Software configuration From processor ladder logic Slave Addr 1 to 254 255 is broadcast Parity None odd or even Stop Bit 1or2 Baud Rate 300 TO 38 400 RTS to TxD 0 65535 ms 1 ms resolution RTS Off 0 65535 ms 1 ms resoluton Response time The protocol drivers are written in Assembly and in a compiled higher level language As such the interrupt capabilities of the hardware are fully utilized to minimize
22. communication errors Periodic communication errors are occurring during data communications See Section 4 to determine the error condition This LED will stay on under several conditions CTS input is not being satisfied Port Configuration Error System Configuration Error Unsuccessful comm on CAS slave Recurring error condition on CAS master TxRx1 Green Blink The port is communicating either transmitting or TxRx2 receiving data VII Support Service and Warranty 7 1 7 2 Technical Support ProSoft Technology survives on its ability to provide meaningful support to its customers Should any questions or problems arise please feel free to contact us at Factory Technical Support Corporate ProSoft Technology Inc 9801 Camino Media Suite 105 Bakersfield CA 93311 805 664 7208 800 326 7066 805 664 7233 fax Before calling for support please prepare yourself for the call In order to provide the best and quickest support possible we will most likely ask for the following information you may wish to fax it to us prior to calling 1 Product Serial and Version Number 2 Configuration Information Communication Configuration Master Command List Jumper positions System hierachy Physical connection information RS 232 422 or 485 Cable configuration Module Operation Block Transfers operation LED patterns aa ol A BBS is available for the latest information on updates and new prod
23. delays and to optimize the product s performance Protocol Driver Specifications Protocol Teledyne CA Slave Function codes 1 Read Status Data 2 Read Analog Data 3 Read Meter Data 10 Read Frozen Analog Values 11 Read Frozen Meter Data 16 Read All Data 20 Read Tank Data from RTU 30 Control Momentary Select 31 Control Momentary Operate 32 Control Continuous Select 33 Control Continuous Operate 34 Setpoint Select 35 Setpoint Operate 43 Freeze Meters 44 Freeze Analogs 45 Freeze Meters Analogs Supports broadcast commands from Master Register addressing Status Up to 250 words Analog Up to 250 words Meter Up to 250 values 2 words per value Tank Up to 250 words Supports Write Commands from Host Operates in both Direct or Indirect Modes Setpoint Select and Operate Control Point Continuous and Momentary Error Status and Communication Statistics for each port returned to the ladder processor Il Configuring the Module 2 1 2 2 Hardware Overview When purchasing the CAS product there are two available choices for each platform These choices are as follows ProSoft Cat Num Description PLC SLC Module provided by ProSoft 3100 CAS 3150 CAS Firmware only 3101 CAS 3151 CAS When purchasing the module from ProSoft Technology many of the jumper configurations will have been factory set When purchasing the firmware from ProSoft Technology and the Allen Bradley module from another sourc
24. ds in the case of the PLC and MO M1 data transfer commands in the case of the SLC These commands transfer up to 64 physical registers per transfer The logical data length changes depending on the data transfer function The following discussion details the data structures used to transfer the different types of data between the ProSoft Technology module and the processor The term Block Transfer is used generically in the following discussion to depict the transfer of data blocks between the processor and the ProSoft Technology module Although a true Block Transfer function does not exist in the SLC we have implemented a pseudo block transfer command in order to assure data integrity at the block level Examples of the PLC and SLC ladder logic are included in Appendix A In order for the ProSoft Technology module to function the PLC SLC must be in the RUN REM RUN mode to configure the module Once configured if the processor is in any other mode Fault PGM the block transfers between the PLC and the module will time out and a error condition will be returned to the Host 4 1 Writing Data to the Module This section discusses how the transfer mechanism functions and how to transfer data command list and configuration data to the ProSoft module Data transfer to the module from the processor is executed through the Block Transfer Write function The different types of data which are transferred require slightly different data
25. e particular attention must be paid to hardware configuration Module Jumper Configurations The following section details the available jumper configurations for the 1771 and 1746 platform solutions As needed differences between the module based solutions and the firmware based solutions are highlighted 2 2 1 3100 3101 for the 1771 Platform Following are the jumper positions for the 1771 DB Rev B module and the ProSoft Technology 3100 CAS module See Appendix C for details on jumper locations 3100 CAS 3101 CAS N A Enabled N A 32K PROM N A Turbo Not Used ASCII ASCII 16 Pt 16 Pt Not Used Not Used Enabled Enabled As Needed As Needed As Needed As Needed JW1 Watchdog Enable Disable Enable The position of this jumper does not affect the operation of the unit under normal operations In order to enable the watchdog function simply place the jumper in the Enabled position JW2 PROM select 32K PROM The position of this jumper is very important to the successful operation of the module In order to operate with our CAS EPROM the jumper must be in the 32K PROM position 2 2 2 JW3 Speed select Normal Turbo Turbo The position of this jumper does not affect the operation of the unit under normal operations Unless there are reasons not to operate in the Turbo mode we recommend operating in the Turbo mode JW4 Port 1 and 2 configuration Position A The position of this jumper set must be changed from the shipped d
26. efault position D to the A position Operation of the module will be unpredictable if the jumper set is not in the A position PRT 1 ASCII PRT 2 ASCII DH485 PGM B PRT1 PGM PRT 2 ASCII DH485 RUN PRT 1 PGM PRT 2 DF1 DH485 DISABLED D__ PRT 1 PGM DEFAULT PRT 2 ASCII DH485 RUN JW5 Backplane 8 16 point 16 Point The module has only been tested in the 8 and 16 point modes and has successfully operated in both positions The 8 point mode should be used when installing the module into old PLC 2 installations JW6 Port 2 Baud Rate Not Used This jumper is not used by the CAS firmware All baud rate configuration is performed through the ladder logic data table JW7 Battery Enable Disable Enabled This jumper should be placed in the Enabled position when the module is powered up Although not critical to the operation of the module this will back up some data registers in the module during a power failure or reset JW8 9 RS Configuration for Port 1 and 2 See options on module The default from factory is RS 232 but all options are supported by the CAS firmware 3150 3151 for the 1746 Platform Following are the jumper positions for the 1746 BAS module and the ProSoft Technology 3150 CAS module See Appendix C for details on jumper locations 3150 CAS 3151 CAS As Needed As Needed As Needed As Needed N A 3 5 4 6 N A 1 3 2 4 JW1 2 RS configuration for port 1 and 2 See Appendix C The default from facto
27. f 50 word data blocks which are to be transferred from the processor to the CAS Module The module will use this value to return a BTW Block ID Number to the processor The ladder logic can use this value to determine which data to move to the CAS via the Block Transfer Write The maximum block count is 80 As an example if a value of 5 is entered the CAS will return Block ID numbers 0 1 2 3 and 4 to the ladder logic See Section 4 2 If a value greater than 80 is entered a System Configuration Error is activated Block Transfer Delay Counter This value is used by the module to slow down the block transfer loading between the module and the processor Excessive Block Transfers can slow down the response time of the CAS s communication ports This parameter has been provided to allow the Block Transfer timing to be determined on an application basis A value of 0 is normally used at the factory and is recommended as a starting point Status Data File Length Analog Data File Length Meter Data File Length and Tank Data File Length These parameters allow the user to configure the logical size of the respective data tables in the module Each table has a maximum size of 250 words but can be downsized to any size below this The size 13 4 2 optimization is useful under some implementations requesting all available data 4 1 2 Moving Data to the Module Block ID Codes 0 19 Writing register data to the ProSoft Technol
28. figuration data or in the System Configuration data See Section 4 for details BPLN BTLO Off Normal State When this light is off and the ACT light is blinking quickly the module is actively Block Transferring data with the PLC On Indicates that Block Transfers between the PLC and the module have failed Not activated in the initial release of the product ERR1 LED1 Amber Off Normal State When the error LED is off and ERR2 LED2 the related port is actively transferring data there are no communication errors Blink Periodic communication errors are occurring during data communications See Section 4 to determine the error condition On This LED will stay on under several conditions CTS input is not being satisfied Port Configuration Error System Configuration Error Unsuccessful comm on CAS slave Recurring error condition on CAS master Tx1 PT1X Green Blink The port is transmitting data Tx2 PT2X Rx1 PT1R Green Blink The port is receiving data Rx2 PT2R 3150 3151 SLC Platform The PLC platform CAS product is available in two forms e ProSoft Technology Module 3150 CIM e Allen Bradley 1746 BAS card Operation of the two modules is nearly identical and labeling on the status LEDs is the same The following table documents the differences between LEDs on the two hardware platforms and explains the operation of the LEDs 3150 CAS COMMUNICATIONS m ACT oy FAULT Gi crc HM er Gj PRT1 gt ERRI GM PRT2 5
29. ities Some manufacturers interpret APPENDIX C Jumper Configurations 1771 Platform 3100 Module 1771 DB Revision B Module 1746 Platform 3150 Module 1746 BAS Module 3100 Module from ProSoft Technology The 3100 module from ProSoft Technology is shipped from the factory as a complete unit including any applicable firmware resident in the module All jumper configurations have been preset for the module to pass a functional test at the factory Verify jumper placement with Section 2 of the manual for application specific changes 1771 DB Revision B Module from Allen Bradley The 3101 firmware solution is installed into an Allen Bradley 1771 DB Revision B module To successfully operate the module the firmware must be installed and the jumpers must be configured Section 2 of the manual details the correct positioning for the jumpers In addition Section 2 also details the steps necessary to install the firmware chip The ProSoft Technology firmware is shipped in a plastic carrier to help minimize erroneous installations The following diagrams help to identify the physical location of the jumpers on the module and location of the firmware socket 1771 DB Revision B Module from Allen Bradley Cont d Firmware installation diagrams PROMs with Carriers PROMs without Carriers 20371 M Firmware Socket Location SKT1 SKT1 PROMs with
30. mined by the next two words Bit Address The Bit Address represents the bit which will be acted on within the word addressed in the previous parameter Control Action The action commanded by the Master is transferred in this word When the value is a 0 the addressed bit is to be reset and when the value is a 1 the addressed bit is to be set The value is always set to one for Momentary Control Setpoint Control Func 34 and 35 When a Setpoint Control command is received from a Master the ProSoft module transfers the command immediately to the BTR buffer for the ladder logic to work with The Setpoint Control command will not be transferred to the buffer unless the Operate Command 35 is received immediately after the Select Command 34 or if Direct Control is enabled in the module s configuration WORD DESCRIPTION 0 Control Type 4 Setpoint Control 1 BTW Block ID Number 2 Word Addressed 3 Setpoint Value Where 4 2 3 Contorl Type Word 0 of the BTR buffer is used to tell the PLC what type of Control action has been commanded from the Master When the value is equal to 4 a new Setpoint Control command has been received With simple ladder logic to decode this value the appropriate action can be taken Word Address This value is used by the ladder logic to determine which word to act upon Setpoint Value The data value received from the Master The values will be 12 bit value and should be placed into an integer
31. occur In TCAP vernacular the Card Number and the Point Number are combined to identify the bit number The action value is always set to 1 so the action will always be to set a bit true momentarily With this decoding indirect addressing can be used in PLC5 to decode the addressed bit B13 N7 x where N7 x is Word 1 of the BTR data block from the module Function 32 33 Continuous Control Select Operate These control commands are recognized by the module If the Operate command is received out of sequence must be received in next communication sequence after Select command the command is disregarded If the module is configured for Direct Control then the Master need only send the Operate command for action to occur In TCAP vernacular the Card Number and the Point Number are combined to identify the bit number With 23 24 5 3 5 2 3 this decoding indirect addressing can be used in PLC5 to decode the addressed bit B13 N7 x 1 where N7 x is Word 1 of the BTR data block from the module Function 34 35 Setpoint Select Operate These control commands are recognized by the module If the Operate command is received out of sequence must be received in next communication sequence after Select command the command is disregarded If the module is configured for Direct Control then the Master need only send the Operate command for action to occur In TCAP vernacular the Card Number upper 7 bits i
32. od of time herein indicated such warranty period commencing upon receipt of the Product This warranty is limited to the repair and or replacement at ProSoft s election of defective or non conforming Product and ProSoft shall not be responsible for the failure of the Product to perform specified functions or any other non conformance caused by or attributable to a any misapplication of misuse of the Product b failure of Customer to adhere to any of ProSoft s specifications or instructions c neglect of abuse of or accident to the Product or d any associated or complementary equipment or software not furnished by ProSoft Limited warranty service may be obtained by delivering the Product to ProSoft and providing proof of purchase or receipt date Customer agrees to insure the Product or assume the risk of loss or damage in transit to prepay shipping charges to ProSoft and to use the original shipping container or equivalent Contact ProSoft Customer Service at 805 664 7208 for further information Limitation of Liability EXCEPT AS EXPRESSLY PROVIDED HEREIN PROSOFT MAKES NO WARRANT OF ANY KIND EXPRESSED OR IMPLIED WITH RESPECT TO ANY EQUIPMENT PARTS OR SERVICES PROVIDED PURSUANT TO THIS AGREEMENT INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANT ABILITY AND FITNESS FOR A PARTICULAR PURPOSE NEITHER PROSOFT OR ITS DEALER SHALL BE LIABLE FOR ANY OTHER DAMAGES INCLUDING BUT NOT LIMITED TO DIRECT INDIRECT I
33. odule In order to get the CAS operating with the example ladder logic only one modification should be necessary The ladder logic BTR and BTW instructions may need to be modified to ensure that the Block Transfer instructions are set up for the correct rack and group slot address 3 2 3150 CAS Overview The 3150 CAS is also very easy to get operational After the lens cover and firmware are installed and the jumpers have been configured the module is ready to be configured See Section 4 for details on configuring the module In order to implement the sample logic the user must make sure that the correct processor and rack size match up Also should it be necessary to re locate the CAS module the user should be certain to configure the correct slot as a 1746 BAS 5 02 Configuration 3 2 1 SLC Processor I O Configuration When initially setting up the SLC program file or when moving the module from one slot to another the user must configure the slot to accept the CAS module It is important that the slot containing the ProSoft module be configured as follows 1746 BAS module or enter 13106 for the module code Configure the MO M1 files for 64 words Configure I O for 8 words 3 3 The following is a step by step on how to configure these files using Allen Bradley APS software ICOM software users should follow similar steps From the Main Menu 1 Select the correct processor program and F3 for Offline programming 2 F1
34. ogy Inc is prohibited Information in this manual is subject to change without notice and does not represent a commitment on the part of ProSoft Technology Inc Improvements and or changes in this manual or the product may be made at any time These changes will be made periodically to correct technical inaccuracies or typographical errors ProSoft Technology Inc 1995 Vi Vil TABLE OF CONTENTS CARE OV ORV W BS sees eas Sea a Ee ee Ae i eae Rea 1 Configuring the Module sswctl atest acaonaacletopediartnlactl haaeaneenienadichoead 3 2 1 Hardware Overview 2 65 sco cikicauadd ohn aiy weno ee econ enkee 3 2 2 Module Jumper Configurations sec ccvceiecst ject cetvsenisevvedd ante aaa evel neieedeacs 3 2 2 1 3100 3101 for the 1771 Platform ccccceeeeeeeeeeeneeeeeeeeeeeeee 3 2 2 2 3150 3151 for the 1746 Platform vac ncutceuneeeahadieene 4 2 3 Firmware Installation Procedure 3101 amp 3151 essessssssssesessssserrrrrnresssee 5 2 3 1 1771 DB Revision B Module s2ut en ctncten teaver 5 2 3 2 1746 BAS Module 0 ecceeeesecceeeeeseeceeeeenneceeenesneeeeenennensennens 5 Programming Considerations 223i cece tas snctteacehetagasctnd cca lee ate eee 7 3 1 3100 CAS OverviO W ac42 eo tstviciga Ge wadeandinenka ea wonensediesss 7 3 2 9 1T50 CAS OVEIVIOW a aireil i E dae bad ce ghee he elas 7 3 2 1 SLC Processor I O Configuration sssessesesenrereesserrerrrrrereeee 7 3 3 Ladder Logic Considerations cscsoteiditeat ident m
35. ogy module is a simple Block Transfer Write with Block ID codes from 0 to 19 followed by 50 words of data The actual data table starts at word 0 Block ID 0 word 0 and is built incrementally after this For a maximum configuration the Block ID codes are broken down as follows Data Type Block ID Max Size Status Data 0 to 4 250 words Analog Data 5 to 9 250 words Meter Data 10 to 14 250 words Tank Data 15 19 250 words Assuming a smaller configuration with the following requirements Status File 3 words Analog File 3 words Meter File 2 values 4 words Tank File 2 words The data for this configuration will all map into Block ID 0 Assuming we are using N10 as the data file in the PLC the data will map as follows PLC Addr N10 0 N10 1 N10 2 N10 3 N10 4 N10 5 N10 6 N10 7 N10 8 N10 9 N10 10 N10 11 Type Addr Status Word 0 Status Word 1 Status Word 2 Analog Word 0 Analog Word 1 Analog Word 2 Meter Value 0 high Meter Value 0 low Meter Value 1 high Meter Value 1 low Tank Word 0 Tank Word 1 With this configuration the user need only send Block ID 0 to the module Reading Data from the Module This section discusses how to get data written to the ProSoft module by a Master into the PLC Supported TCAP Functions include 30 31 32 33 34 and 35 The transfer of data from the ProSoft Technology module to the processor is executed through the Block Transfer Read function
36. on Parity The parity mode to be used by the module is defined by this word as follows Bits 15 14 0 0 No parity 0 1 Odd parity 1 0 Even parity 1 1 Invalid Port Configuration Baud Rate The baud rate at which the module is to operate The baud rate is configured as follows Value Baud Rate 300 Baud 600 Baud 1200 Baud 2400 Baud 4800 Baud 9600 Baud 19200 Baud 38400 Baud NOOR WDM O The module s two ports are limited to an upper baud rate of either 19200 or 38400 baud The module cannot be configured with one port at 19200 and the other at 38400 If an attempt is made to configure the module in this fashion a Port Configuration Error will be returned RTS To TXD Delay This value represents the time in 1 ms increments to be inserted between asserting RTS and the actual transmission of data The delay if greater in duration than the hardware time delay associated with CTS will override the CTS line until the time out is complete This configurable parameter is useful when interfacing with modem based devices or anytime line noise must be allowed to subside before data is transmitted RTS Off Delay The value in this word represents the number of 1 ms time delay increments inserted after the last character is transmitted and before RTS is dropped The module automatically inserts a one character width Off Delay assuring that RTS does not drop until after the last character has been completely sent Unles
37. r logic controls the placement and use of the data registers 4 2 1 Momentary Continuous Control Func 30 31 32 and 33 When a Momentary or a Continuous Control command is received from a Master the ProSoft module transfers the command immediately to the BTR buffer for the ladder logic to work with The Control command will not be transferred to the buffer unless the Operate Command 31 or 33 is received immediately after a Select Command 80 or 32 or if Direct Control is enabled in the module s configuration The ladder logic must provide the logic to enable the momentary action The ProSoft module will not provide the command to the PLC to clear or reset the bit 4 2 2 The ladder logic must be programmed to look at the BTR buffer decode several words and then take action The BTR buffer definition as it pertains to the Momentary and Continuous Control commands is WORD DESCRIPTION 0 Control Type 1 Momentary Control 2 Continuous Control 1 BTW Block ID Number 2 Bit Addressed 3 Control Action Control Type Word 0 of the BTR buffer is used to tell the PLC what type of Control action has been commanded from the Master When the value is equal to 1 a new Momentary Control command has been received When the value is equal to 2 a new Continuous Control command has been received With simple ladder logic to decode this value the appropriate word bit can be acted upon The exact location that the PLC will act upon is deter
38. ry is RS 232 but all options are supported by the CAS firmware JW3 Memory Selection 3 5 4 6 When using the 3151 firmware solution with a 1746 BAS module the EPROM is plugged into the User Socket When in this configuration it is essential that the jumper be in the correct position With the 3150 module this jumper will not affect operation of the product JW4 Mode Configuration 1 3 2 4 When using the 3151 firmware solution with a 1746 BAS module it is essential that the jumper be in the correct position With the 3150 module this jumper will not affect operation of the product Firmware Installation Procedure 3101 amp 3151 The following section details the available jumper configurations for the 1771 and 1746 platform solutions As needed differences between the module based solutions and the firmware based solutions are highlighted 2 3 1 1771 DB Revision B Module The firmware installation steps are as follows 1 Remove the card cover from the module 2 Plug the ProSoft Technology EPROM into the module s User Socket Align the notches on the EPROM plastic carrier with the notches in the User socket Make sure the EPROM is well seated 3 Replace the card cover 4 Turn the module over and locate the identi fication sticker in the unused indent This sticker will be important should the module ever require service 2 3 2 1746 BAS Module The firmware installation steps are as follows 1 Plug the ProSoft
39. s combined with the Point Number low 1 bit to obtain an effective addressing range of 256 registers The value written to the ladder logic limited to a 12 bit value by the protocol specification Freeze Data Commands These general purpose commands are used to initiate the movement of data within buffers in the ProSoft Technology module These buffers are maintained for access by related read commands discussed above The module one shots the freeze commands from the Master enable the movement of the buffers only if the Master has previously issued a read to the previously frozen buffer 5 3 1 5 3 2 5 3 3 Function 43 Freeze Meters Moves the Meter Data buffer to the Freeze Meter buffer Function 44 Freeze Analogs Moves the Analog Data buffer to the Freeze Analog buffer Function 45 Freeze Meters and Analogs Moves the Meter Data buffer and the Analog Data buffer to their respective Freeze buffers Vi Hardware Diagnostics Several hardware diagnostics capabilities have been implemented using the LED indicator lights on the front of the module The following sections explain the meaning of the individual LEDs for both the PLC and the SLC platforms 6 1 3100 3101 PLC Platform The PLC platform CAS product is available in two forms e ProSoft Technology Module 3100 CIM e Allen Bradley 1771 DB Revision B card Operation of the two modules is nearly identical but labeling on the status LEDs is different
40. s working under unusual conditions this value will normally be configured with a value of 0 The maximum value to be used is 65535 Oxffff Message Response Timout This register represents the message response timeout period in 1 ms increments This is the time which a port configured as a Master will wait before re transmitting a command if no response is received from the addressed slave The value is set depending on the expected slave response times The allowable range of values is 0 to 65535 Oxffff If a zero value is entered the module will default to a one second timeout value 1000 ms Inter character Timing This register is used in situations where the end of message character timeout delay must be extended beyond the normal 3 5 character widths The value entered represents the number of 1 ms intervals of no transmission which will be counted prior to accepting a message This parameter will be useful in satallite or packet radio installation where a data transmission may be split between two packets Increasing this value beyond the system s packet handling time will eliminate timeout errors Direct Control This parameter configures the module to accept the Control Operate commands from a Master without first receiving a Control Select command first To disable the need for the Control Select command set this parameter to a value of 1 System Configuration Data Block Count This value represents the number o
41. to the module to indicate that the carrier from another modem is being sensed on the link This signal is disregarded by the CAS units Excerpted form Allen Bradley Publication 1785 6 5 2 RS 232C Cable Configuration With Handshaking ProSoft Module Modem 25 Pin 9 Pin 25 Pin 2 TxD 3 2 Verify pins 2 and 3 3 RxD 2 3 4 RIS 7 4 Note Do not connect pins 14 16 18 or 25 on the connector to a modem These pins are used by the RS 422 485 drivers and may impact the operation of the modem Without Handshaking ProSoft Module Device 25 Pin 9 Pin 25 Pin 2 TxD 3 _ 2 RxD Verify pins 2 and 3 3 RxD 2 3 TxD 4 RIS7 w we 4RTS 5 CTS8 5 CTS 6 DSR 20 DTR RS 422 RS 485 Cable Configuration Two Wire Mode ProSoft Module Foreign Device 25 Pin 9 Pin 4 RTS 7 5 CTS 8 14TxRxD 9 A TxRxD 25TXRXD 1 B TxRxD 7 GND 5 GND Four Wire Mode ProSoft Module Foreign Device 25 Pin 9 Pin 4 RTS 7 5 CTS 8 14TxD Q RxD 16RxD 6 TxD 18RxD 2 TxD 25TxD 10 RxD 7 GND 5 n GND NOTES If communication in RS 422 RS 485 do not work despite all attempts try switching termination polar
42. ucts The phone number for the Bulletin Board is 805 664 7234 Access is available 24 hours per day In addition to 24 hour access to the BBS an after hours answering service on the Bakersfield number allows pager access to one of our qualified technical and or application support engineers at any time to answer the questions that are important to you Module Service and Repair The CAS card is an electronic product designed and manufactured to function under somewhat adverse conditions As with any product through age misapplication or any one of many possible problems the card may require repair 29 30 7 3 When purchased from ProSoft Technology the module has a one year parts and labor warranty according to the limits specified in the warranty Replacement and or returns should be directed to the distributor from whom the product was purchased If you need to return the card for repair it is first necessary to obtain an RMA number from ProSoft Technology Please call the factory for this number and display the number prominently on the outside of the shipping carton used to return the card Warranty 7 3 1 7 3 2 General Warranty Policy ProSoft Technology Inc Hereinafter referred to as ProSoft warrants that the Product shall conform to and perform in accordance with published technical specifications and the accompanying written materials and shall be free of defects in materials and workmanship for the peri

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