USER MANUAL - ProSoft Technology
Contents
1. RAISE LOWR RAISE LOWR DECODE SETPOINT SETPOINT BT READ PORT ACTIVE CONFIG BLOCK ID NUMBER STATUS DATA EQU EQU B3 0 COP 0000 Equal Equal File Source N7 410 Source A N7 412 7 Source N7 413 0 lt 0 lt Dest N10 800 Source B 129 Source B 3 Length 12 129 lt 3 lt RAISE LOWR SETPOINT ACTIVE STATUS B3 0 CL 7 CONTROL POINT OPERATE COMMAND SETS AND RESETS BITS DECODE BT READ PORT SET BIT LATCH BLOCK ID NUMBER ACTIVE BIT EQU EQU N7 414 B13 0001 Equal Equal 4 lt gt Source N7 410 Source N7 412 0 N7 413 0 lt 0 lt Source 130 Source 0 RESET BIT UNLATCH 130 lt 0 lt BIT N7 414 B13 imm VD 0 N7 413 POWER FAIL RESET COMMAND CLEARS THE POWER FAIL STATUS BITS LOGIC IN FILE 4 TAKES CARE OF CLEARING THE STATUS BITS IN OTHER PORTS POWER FAIL DECODE STATUS FOR BT READ 0 BLOCK ID PORT 0 EQU N10 0 0002 Equal mmm U ___ Source A 410 1 0 lt Source 131 POWER FAIL 131 lt STATUS FOR RTU 1 PORT 0 N11 0 m U 1 TIME SYNC COMMAND MOVES NEW HH MM SS VALUES TO PROCESSOR DECODE BT READ PLC TIME BLOCK ID REGISTERS EQU COP 0003 Equal Copy File Source A N7 410 Source N7 413 0 lt Dest 5 21 132 Length 3 132 lt 0004 CEND gt Page 6 Monday June 28 1999 14 10 25 HAR5032. 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 Card Specifications The Harris Slave firmware upgrade gives Allen Bradley 1771 and 1746 compatible processors the ability to interface to a Harris M9000 Master device or any device emulating this master function The card includes the following capabilities Codes A D and Accumulator Data Dump Status Check 4 Status Change Dump 5 Status Dump 6 Trip Close Control Arm 7 8 9 Trip Close Control Operate AGC Raise Lower Set Point Control Arm OA Set Point Control Operate OB Power Fail Reset OC Port On Line Status Scan 11 Time Synchronization SOE 13 Time Sync Adjust SOE 17 Time Synchronization Non SOE 18 Set Freeze Interval Supports broadcast commands from Master Software configuration From PLC Address 5 1 to 63 0 is broadcast Parity Odd Stop Bit 1 Baud Rate 300 TO 19 200 Hardware RS 232C handshaking for modem and radio applications RS 422 RS 485 compatible for multidrop applications Logical RTU addressing Up to 4 slave addresses Register addressing Up to 7 ports each port with one of following Status Up to 63 words Analog Up to 63 words Accumulator 12 bit Up to 63 words 24 bit Up to 34 values 32 bit Up to 12 values Response time The communication driver is
3. Code 8 Raise Lower Port 3 The Raise Lower command will allow from one to six points to be controlled In a Harris RTU there are special modules dedicated to this function Raise Lower modules In the Allen Bradley platform these commands are implemented through the use of timers and binary IO files Please note that no timing functions related to the implementation of the raise lower command are performed by the module All timing must be implemented in the application ladder logic The command data is presented to the ladder logic through the Block Transfer Read buffer as follows Word Description 0 Value of 129 representing a Raise Lower command 1 BTW Block ID 2 Port Address This value is calculated as follows Slave ID Position 7 requested port The Slave ID Position is the between 0 and 3 representing one of the four valid configurable slaves The requested port value can range from 0 to 6 3 4 Raise Lower data pairs where first word represents direction 0 raise 1 lower and the second word represents the duration in ms Through ladder logic and the use of timers this function can be implemented 5 6 Raise Lower data pairs as above 7 8 9 10 11 12 13 14 Example Word Value 0 129 1 2 2 3 3 1 4 100 This command is instructing the ladder logic to turn on the Port Address 3 Lower timer for 100 ms In our ladder logic we could move the duration value to a T PRE and th
4. LAD 3 M0 MI Total Rungs in File 2 4 BT WRITE Blcok Transfer Write to module WRITE WRITE ENABLE DONE El 0 1 EQU COP 0000 44 Equal Copy File 0 0 Source 1 0 1 1 2 1746 BAS 5 02 1746 BAS 5 02 lt Dest N7 70 Source B 0 Length 20 0 lt READ BLOCK ID COP Copy File Source M1 1 0 Dest N7 150 Length 64 BT READ BLOCK ID LIM JSR Limit Test Jump To Subroutine Low Lim N7 150 SBR File Number U 5 0 Test N7 150 0 lt High Lim 132 132 lt BT WRITE TO MODULE MOV Move Source 1 1 1 T Dest M0 1 0 lt BT WRITE TO MODULE B3 0 MOV 0 Source 255 255 lt Dest M0 1 0 lt JSR 0001 Jump To Subroutine SBR File Number U 4 WRITE WRITE BT WRITE ENABLE DONE TO MODULE I1 EQU COP 0002 u Jt Equal Copy File 0 0 Source 0 1 0 N10 0 1746 BAS 5 02 1746 BAS 5 02 lt Dest M0 1 1 Source B 0 Length 50 0 lt WRITE TO MODULE EQU COP Equal Copy File Source A 0 1 0 Source N10 50 lt Dest M0 1 1 Source B I Length 50 1 lt BT WRITE TO MODULE EQU COP Equal Copy File Source A 0 1 0 N10 100 lt Dest M0 1 1 Source B Length 50 2 lt Page 1 Monday June 28 1999 14 13 18
5. LAD 3 Total Rungs in File 4 0003 BT WRITE TO MODULE EQU Equal Source A 0 1 0 lt 3 3 BT WRITE TO MODULE EQU Equal Source A 0 1 0 lt 4 4 lt WRITE MODULE EQU Equal Source A 0 1 0 lt 5 5 lt BT WRITE TO MODULE EQU Equal Source M0 1 0 lt Source B 6 6 lt BT WRITE TO MODULE EQU Equal Source M0 1 0 lt 255 255 lt File Source N10 150 Dest M0 1 1 Length 50 COP Copy File Source N10 200 Dest M0 1 1 Length 50 COP Copy File Source N11 0 Dest M0 1 1 Length 50 COP Copy File Source N11 50 Dest M0 1 1 Length 50 COP Copy File Source N7 0 Dest M0 1 1 Length 57 B3 0 CU 0 WRITE DONE O 1 _ 0 1746 BAS 5 02 C END gt Page 2 Monday June 28 1999 14 13 21 HAR503 LAD 4 continuous Total Rungs in File 7 LATCH THE POWER FAIL STATUS BITS FOR THE ACTIVE RTU NUMBERS THIS RUNG TAKES CARE OF THE FIRST BIT AND FOLLOWING RUNG DISTRUBUTE TO OTHER PORTS FOR THE RTU FIRST SCAN 52 1 0000 1
6. 40 40 RTU 2 Port Data Type 41 41 RTU 2 Port 4 Data Type 42 42 RTU 2 Port 5 Data Type 43 43 RTU 2 Port 6 Data Type 44 44 RTU 3 Port 0 Data Type 45 45 RTU 3 Port 1 Data Type 46 46 RTU 3 Port 2 Data Type 47 47 RTU 3 Port Data 48 48 RTU 3 Port 4 Data Type 49 49 RTU 3 Port 5 Data Type 50 50 RTU 3 Port 6 Data Type 51 51 RTU 4 Port 0 Data Type 52 52 RTU 4 Port 1 Data 53 53 RTU 4 Port 2 Data Type 54 54 RTU 4 Port 3 Data Type 55 N E55 RTU 4 Port 4 Data Type 56 N 56 RTU 4 Port 5 Data 57 57 RTU 4 Port 6 Data 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 Type The operating mode of the port is selected by these bits Bits 3210 0001 Harris Slave 8 bit 0011 Harris Slave 7 bit should use this mode Debug Mode When configured in the debug mode the other serial port on the module will transmit the data that has been received by the module This is useful for determining communication problems Bit 8 0 Disable Debug Mode 1 Enable Debug Mode Disable Receive LRC Calculation When configured in the LRC Disable mode the receive string is processed without the benefit of the LRC calculation This has been provided because of problems encountered wit
7. a 0 Reset or a 1 Set Power Fail Reset Command Op Codes When a Power Fail Reset command is received from a Master the ProSoft module transfers the command immediately to the BTR buffer for the ladder logic to work with Use for this command in the Allen Bradley environment is relatively limited As a minimum the command should be used to reset the Power Fail Status bit to satisfy the needs of the Master The ladder logic must be programmed to look at the BTR buffer decode the Block ID and then take action The BTR buffer definition as it pertains to the Control Point command is Word Description 0 131 Power Fail Reset command Time Synchronization Op Codes 11h amp 13h and 17h When a Time Synchronization command is received from a Master the ProSoft module first converts the time value received into hh mm ss format and then transfers the values immediately to the BTR buffer for the ladder logic to work with 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 Time Synchronization command is Word Description 0 Time Sync Block ID 132 BTW Block ID Number HH hour MM Minute SS Seconds Q N Set Freeze Interval Op Code 18h When a Set Freeze Interval command is received from a Master the ProSoft module transfers the value received immediately to the BTR buffer for the ladder logic to work w
8. the Harris Slave module and their implementation in the Allen Bradley platform 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 Op Code 0 Data Dump The Data Dump command will return the data values for the requested number of points on each configured A D or Accumulator data port The Harris Slave module supports access to 62 words of data per configured port With the module supporting 7 data ports per slave address and four slave addresses the module is capable of transferring up to 1736 words of data Op Code 3 Status Change Check The Status Change Check command will return the number of status changes currently stored in the module up to 31 The Op Code 4 command will retrieve these changes If more than 31 changes have occurred the module will return a value of 63 in the count field 5 2 5 1 3 Op Code 4 Status Change Dump Status Change Dump command will return the status change to the Master The count field will contain the value obtained by Op Code 3 514 Op Code 5 Status Dump The Status Dump command will return the current status of all points on the requested Status port or ports This command can also clears the status change queue on those ports returning status data Control Commands From Master When Control commands are received from a Master their action is immediately c
9. 2 3 TxD 4 RIS 7 www e 4 RTS 5 CTS 8 5CTS 6DSR Instal Jumper 20 7 GND 5 7 GND Two Wire Mode 485 Please be sure the jumper on the module is in the RS 485 mode ProSoft Module Foreign Device 25 Pin 9 Pin 4 RTS 7 Jumper RTS to CTS 5 CTS 8 14 TxRxD 9 TxRxD 25 TXRXD 1 B TxRxD 7 GND 5 000 GND Four Wire Mode RS 422 Please be sure the jumper on the module is in the RS 485 mode ProSoft Module Foreign Device 25 Pin 9 Pin 4 RTS 7 Jumper RTS to CTS 5 CTS 8 14 TxD 9 RxD 16 RxD 6 TxD 18 RxD 2 TxD 25 TxD 1 RxD 7 GND o GND NOTE If communication in RS 422 RS 485 do not work despite all attempts try switching termination polarities Some manufacturers interpret and differently
10. 308 300 lt WRITE TO BT WRITE BUFFER COP Copy File Source N N7 307 N7 308 Dest N7 311 Length 50 Page 2 Monday June 28 1999 14 10 16 HARS RSP LAD 3 btw_btr Total Rungs in File 6 0005 DECODE WRITE TO BT WRITE BT WRITE BLOCK BUFFER EQU COP Equal Copy File Source A N7 310 Source N7 0 0 lt Dest N7 311 Source B 255 Length 63 255 lt 1ST SCAN CONFIG DEACTIVATE N7 309 0 WRITE MODULE BTW Block Transfer Write CEN gt Module Type Generic Block Transfer Rack 000 lt DN gt Group 2 Module 0 CERD gt Control Block N7 300 Data File N7 310 Length 64 Continuous No END gt Page 3 Monday June 28 1999 14 10 16 HARS RSP LAD 4 continuous Total Rungs in File 4 0000 0001 0002 LATCH THE POWER FAIL STATUS BITS FOR THE ACTIVE RTU NUMBERS THIS RUNG TAKES CARE OF FIRST BIT AND FOLLOWING RUNG DISTRIBUTES TO OTHER PORTS FOR THE RTU POWER FAIL STATUS FOR 1ST SCAN RTU 0 STATUS PORT 0 S 1 N10 0 4 15 1 POWER FAIL STATUS FOR RTU 1 THIS LOGIC IS A MIMIC OF RTU 0 PORT 0 POWER FAIL DATA FOR THE OTHER 6 PORTS ASSOCIATED WITH RTU 0 SET RESET THE POWER DECODE FAIL BITS BT WRITE FOR PORTS BLOCK 1 6 LIM MVM Limit Test Masked Move
11. C Source A N7 153 8 1 lt Source 12 12 lt EQU B13 1 Equal CL Source A N7 153 10 1 lt Source 13 13 lt EQU Equal Source N7 153 I lt Source B 14 14 lt EQU B13 1 Equal Source N7 153 14 1 lt Source 15 15 lt EQU B13 0 Equal CL Source A N7 153 1 1 lt Source 0 0 lt EQU B13 0 Equal Source N7 153 3 1 lt Source 1 1 lt Page 6 Monday June 28 1999 14 13 41 HAR503 LAD 5 MI handle Total Rungs in File 5 EQU 13 0 Equal CL Source A N7 153 5 1 lt Source 2 2 lt EQU B13 0 Equal Source N7 153 7 1 lt Source 3 lt EQU B13 0 Equal Source N7 153 9 1 lt Source 4 4 lt EQU B13 0 Equal Source N7 153 11 1 lt Source 5 5 lt EQU Equal CL Source N7 153 13 1 lt Source 6 6 lt EQU B13 0 Equal CL Source A N7 153 15 1 lt Source 7 7 lt EQU Equal CL Source A N7 153 1 1 lt Source 8 8 lt EQU B13 1 Equal Source N7 153 3 1 lt Source 9 9 lt EQU B13 1 Equal e Source A N7 153 5 1 lt Source 10 10 lt EQU B13 1 Equal CL Source A N7 153 7 1 lt Source 11 ll lt Page 7 Monday June 28 1999 14 13 41 HAR503 LAD 5 MI handle Total Rungs in
12. Equal Equal Copy File Source A N7 150 Source A N7 152 Source N7 153 0 lt 1 lt Dest N12 100 Source B 129 Source B 3 Length 12 129 lt 3 lt 3 0 cL 7 CONTROL POINT OPERATE COMMAND SET BITS READ BT READ DONE BLOCK ID 0 1 EQU EQU N7 154 EQU B13 0 L s Equal Equal J E Equal 1 N7 150 Source A N7 152 0 Source A N7 153 0 1746 BAS 5 02 0 lt 1 lt 1 lt Source 130 Source 0 Source 0 130 lt 0 lt 0 lt EQU B13 0 Equal Source N7 153 2 1 lt Source 1 1 lt EQU B13 0 Equal Source N7 153 4 1 lt Source 2 2 lt EQU B13 0 Equal cp Source N7 153 6 I lt Source B 3 3 lt EQU B13 0 Equal CTO Source N7 153 8 1 lt Source 4 4 lt EQU B13 0 Equal 20 Source N7 153 10 1 lt Source 5 5 lt EQU B13 0 Equal CL Source A N7 153 12 1 lt Source 6 6 lt EQU Equal Source N7 153 I lt Source B 7 7 lt Page 5 Monday June 28 1999 14 13 28 HAR503 LAD 5 MI handle Total Rungs in File 5 EQU B13 1 Equal CL Source A N7 153 0 1 lt Source 8 8 lt EQU B13 1 Equal Source N7 153 2 1 lt Source 9 9 lt EQU B13 1 Equal e Source A N7 153 4 1 lt Source 10 10 lt EQU B13 1 Equal Source N7 153 6 1 lt Source 11 ll lt m EQU Equal
13. LAD 3 btw_btr Total Rungs in File 6 HARS RSP 0002 0003 0004 DECODE BT READ BT WRITE BT WRITE ENABLE ENABLE BLOCK N7 400 N7 300 LIM 1 Test 15 15 Low Lim Test High Lim Build file pointer depending on the port number being processed In this example 0 6 are for file 10 and 7 13 are for file 11 0 lt N7 310 0 lt 6 lt then 255 is written into the BTW Block ID BT WRITE DATA AND CONFIGURATION ENCODING The BTW Data Block is incremented prior to each BTW command being executed in rung 2 If the card configuration is activated first scan or N7 410 255 FILE POINTER MOV Move Source 10 10 lt Dest N7 307 10 lt DECODE BT READ BT WRITE BT WRITE ENABLE ENABLE BLOCK N7 400 N7 300 LIM Limit Test 15 15 Low Lim 7 7 lt Test N7 310 0 lt High Lim 13 13 lt Move data from data table into the module DECODE READ BT WRITE BT WRITE ENABLE ENABLE BLOCK N7 400 N7 300 LIM f Limit Test 15 15 Low Lim 0 0 lt Test N7 310 0 lt High Lim 7 7 lt FILE POINTER MOV Move Source 11 11 lt Dest N7 307 10 lt ADJUST PORT NUM SUB Subtract Source N7 310 0 lt Source B 7 7 lt Dest N7 310 0 lt HARRIS RTU PORT POINTER MUL Multiply Source N7 310 0 lt Source B 50 50 lt Dest N7
14. Low Lim 1 Source N10 0 1 lt 2 lt Test N7 310 Mask 02H 0 lt 2 lt High Lim 6 Dest N10 N7 308 6 2 MVM Masked Move Source N11 0 3 lt Mask 02H 2 lt Dest N11 N7 308 2 lt RAISE LOWER SETPOINT OP CODE 8 OPERATION RAISE LOWR SETPOINT TIMER PRESET MOV Move Source N10 801 150 lt Dest 4 0 150 lt RAISE LOWR SETPOINT RAISE LOWR ACTIVE SETPOINT STATUS TIMER B3 0 TON Jr Timer On Delay CEN2 7 Timer 4 0 Time Base 0 01 CDN2 Preset 150 Accum 0 lt 4 Monday June 28 1999 14 10 18 HARS RSP LAD 4 continuous Total Rungs in File 4 0003 RAISE LOWR SETPOINT SETPOINT UP DOWN TIMER BIT TIMING 1 DOWN SETPOINT SETPOINT T4 0 N10 800 LES ADD JE mm m Less Than A lt B Add TT 0 Source A N11 825 Source A N11 825 3468 lt 3468 lt Source B 4095 Source B 1 4095 lt 1 lt Dest N11 825 3468 lt SETPOINT UP DOWN BIT 1 DOWN SETPOINT SETPOINT N10 800 GRT SUB 4 Greater Than gt Subtract 0 Source N11 825 Source N11 825 3468 lt 3468 lt Source B 0 Source B 1 0 lt 1 lt Dest N11 825 3468 lt RAISE LOWR SETPOINT ACTIVE STATUS T4 0 B3 0 4 Fr DN 7 Page 5 Monday June 28 1999 14 10 23 CEND gt HARS RSP LAD 5 btr_handle Total Rungs in File 5 RAISE LOWER SETPOINT OP CODE 8 DECODING
15. When the Harris Slave cannot execute a command an the module does not generate a response The lack of a response generated at the slave will usually be indicative of an illegal function an illegal address bad data or the inability to complete a transaction because of a network problem Data Integrity As in all good protocols there must exist a level of data integrity checking to verify with some degree of assurance the quality of the transmitted data The HARRIS protocol supports two types of error checking e Longitudinal Redundancy Check e One bit parity check Odd only LRC When the master generates a message a 8 bit LRC value is added to the end of the transmitted packet The LRC value is a vertical parity check on the 6 data bit field of the message generating an even vertical parity for the message The receiving station executes the same calculation on the data and verifies the transmitted LRC Any discrepancy will cause the message to be disregarded Parity Odd parity checking is added as an additional level of data security Module Memory Layout This section serves to explain the different segments of the memory which are utilized in the PLC and in the Harris Slave module 3 2 1 Data Memory Data is transferred to the HARRIS module asynchronously from the Master s read requests This allows the application ladder logic to manipulate and position the data as needed before transfer to the module Since t
16. action The BTR buffer definition as it pertains to the Raise Lower command is Word Description 0 Raise Lower Command Block ID 129 BTW Block ID Number Port Address Direction RL 1 Duration RL 1 Direction RL 2 Duration RL 2 3 Direction RL 6 4 Duration RL 6 O OQ Q Port Address The Port Address value represents the port number for the addressed RTU which the Master is sending a control value Within each RTU there are 7 valid ports 0 6 This value is calculated as follows Slave ID Position 7 requested port 4 2 3 Slave ID Position is the between 0 and 3 representing one of the four valid configurable slaves The requested port value can range from 0 to 6 Direction Each Raise Lower port address has 6 points and the values for all six are transmitted at the same time The direction of each point is communicated to the ladder logic through the direction value The values that should be expected in these words are Word Description 0 Raise 1 Lower Duration Each Raise Lower port address has 6 points and the values for all six are transmitted at the same time The duration of the raise or lower period for each point is communicated to the ladder logic through the duration value The value represents the number of milliseconds which a timer should be activated This value may be moved directly into the preset for a timer Note that a value of zero is the equivalent of a do n
17. be transferred to the buffer unless the Operate Command is received immediately after a Arm Command 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 Setpoint command is Word Description 0 Setpoint write Block ID 128 1 BTW Block ID Number 2 Port Address 3 Point Register address 4 Setpoint Value Port Address The Port Address value represents the port number for the addressed RTU which the Master is sending a control value Within each RTU there are 7 valid ports 0 6 This value is calculated as follows Slave ID Position 7 requested port The Slave ID Position is the between 0 and 3 representing one of the four valid configurable slaves The requested port value can range from 0 to 6 Point Register Address The Point Address represents the register address into which the Value field will be written 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 or BCD file Raise Lower Command Op Code 8 When a Raise Lower 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 ladder logic must be programmed to look at the BTR buffer decode several words and then take
18. from master to slave Reply Response to command A slave station will respond to a master issued command in several ways Data Message If the command was executed by the slave the response message will include the data requested or acknowledgment that the command was executed Error Message If the command could not be executed by the slave for whatever reason the slave does not send any response No Reply If the master does not detect a reply within its timeout period approx 50 ms the master will re transmit the command before a time out error is issued If the Slave could not decode the message or an error occurred preventing the Slave from recognizing the message no response will be issued Command Types in the Harris Slave The Harris Slave can respond to two basic types of commands from the master read data and write data These are overviewed below and discussed in detail in the Harris Protocol Specification 3 2 3 1 4 Read Data The Harris Slave supports the following types of data reads OpCode Description 0 Data Dump 3 Status Change Check 4 Status Change Dump 5 Status Dump Bh Power Fail Reset Ch Port On Line Status Scan Write Data The Harris Slave supports the following types of data writes OpCode Description 6 Control Point Arm 7 Control Point Operate 8 Raise Lower 9 Setpoint Arm Ah Setpoint Operate 11 178 Time Sync 13h Time Sync Adjust 18h Set Freeze Interval Command Error Checking
19. or begin looking for the command list from the processor Transferring the Communications Configuration 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 0 0 Port Configuration Word 1 N 1 Undefined 2 2 Baud Rate 3 3 RTS to TxD Delay 4 N 4 RTS off Delay 5 5 Future 6 N 6 Inter character timing Port 2 10 10 Port Configuration Word 11 11 Undefined 12 12 Baud Rate 13 13 RTS to TxD Delay 14 14 RTS off Delay 15 5 Future 16 16 Inter character timing System Configuration 20 N LI20 Future 21 21 Future 22 N j 22 Future 23 23 Future 24 24 Future 25 25 Number of Active Slaves 26 26 Harris RTU 1 Slave Address 27 N L27 Harris RTU 2 Slave Address 28 N j 28 Harris RTU 3 Slave Address 29 N I29 Harris RTU 4 Slave Address 30 N 30 RTU 1 Port 0 Data 31 31 RTU 1 Port 1 Data 32 N 32 RTU 1 Port 2 Data Type 33 33 RTU 1 Port Data Type 34 34 RTU 1 Port 4 Data Type 35 35 RTU 1 Port 5 Data Type 36 N 36 RTU 1 Port 6 Data 37 37 RTU 2 Port 0 Data Type 38 38 RTU 2 Port 1 Data 39 39 RTU 2 Port 2 Data Type
20. 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 2 3 2 sticker will important should the module ever require service 1746 BAS Module The firmware installation steps are as follows 1 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 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 lI Harris Slave Card Functions 3 1 HARRIS Communications The ProSoft HARRIS module runs the slave version of the HARRIS protocol This capability allows the module to communicate data from a PLC SLC to a HARRIS Master Such as the M9000 Series Master Station and vice versa The module supports both point to point implementations as well as multi drop implementations The following discusses the functional capabilities of the ProSoft Harris Slave card 3 1 1 Command Reply Cycle Successful communications between a Harris Slave and a HARRIS Master will always consist of the following two transactions Command Message
21. 3100 3150 HAR Harris RTU Slave Protocol Module Revision 1 0 USER MANUAL April 1996 ProSoft Technology Inc 1675 Chester Ave Fourth Floor Bakersfield CA 93301 prosoft prosoft technology com Please Read This Notice Successful application of the HAR card requires a reasonable working knowledge of the Allen Bradley PLC or SLC hardware and the application in which the combination is to be used For this reason it is important that those responsible for implementing the HAR 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 HAR product Reproduction of the contents of this manual in whole or in part without written permission from ProSoft Technology Inc is prohibited Information in this manual is subject to change without notice and does not represent a commitment on the part of ProSoft Tech
22. 5 THIS LOGIC IS MIMIC RTU 0 PROT 0 POWER FAIL DATA FOR THE OTHER 6 PORTS ASSOCIATED WITH 0 WRITE MODULE LIM MVM 0001 Limit Test Masked Move Low Lim 1 Source N10 0 1 lt 0 lt Test M0 1 0 Mask 0002h lt 2 lt High Lim 6 Dest N10 50 6 lt 0 lt Masked Move Source N10 0 0 lt Mask 0002h 2 lt Dest N10 100 0 lt Masked Move Source N10 0 0 lt Mask 0002h 2 lt Dest N10 150 0 lt Masked Move Source N10 0 0 lt Mask 0002h 2 lt Dest N10 200 0 lt Masked Move Source N10 0 0 lt Mask 0002h 2 lt Dest N11 0 0 lt Masked Move Source N10 0 0 lt Mask 0002h 2 lt Dest N11 50 0 lt RAISE LOWER SETPOINT CODE 8 OPERATION Duration MOV 0002 Move Source N12 101 10 lt Dest T4 0 PRE 10 lt B3 0 TON iE Timer On Delay CEND 7 Timer T4 0 Time Base 0 00 DN Preset 10 4 0 Accum 0 lt TT Page 3 Monday June 28 1999 14 13 23 HAR503 4 continuous Total Rungs in File 7 Raise N12 100 LES ADD VE Less Than A B Add Source A N12 200 Source A N12 200 221 221 lt Source 2047 Source 1 2047 lt 1 lt Dest N12 200 221 lt Lower N12 100 GRT SUB Greater Than
23. File 5 EQU B13 1 Equal CL Source A N7 153 1 lt Source 12 12 lt EQU B13 1 Equal Source N7 153 11 1 lt Source 13 13 lt EQU B13 1 Equal CLA Source A N7 153 13 1 lt Source 14 14 lt EQU B13 1 Equal cL Source A N7 153 15 1 lt Source 15 15 lt POWER FAIL RESET COMMAND CLEARS THE POWER FAIL STATUS BITS LOGIC IN FILE 4 TAKES CARE OF CLEARING THE STATUS BITS IN OTHER PORTS BT READ BLOCK ID EQU 10 0 0002 Equal CUD Source A N7 150 1 0 lt Source 131 131 lt TIME SYNC COMMAND MOVES NEW HH MM SS VALUES PROCESSOR Debug Fault BT READ Powerdown BLOCK ID File EQU COP 0003 Equal Copy File Source A N7 150 Source N7 153 0 lt Dest S2 21 Source B 132 Length 3 132 0004 C END gt Page 8 Monday June 28 1999 14 13 42 APPENDIX B Port Cable Confiquration Definitions of RS 232C Handshaking Signals Excerpted form Allen Bradley Publication 1785 6 5 2 SIGNAL TITLE DESCRIPTION Carries serialized data It is an output from the module from the rest of the circuitry on the modules RTS 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 Clear to Send CTS is a signal from the modem to the module that indicates the carrie
24. TS 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 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 ProSoft standard rates for parts and labor and return the Product freight collect 27 Appendix Example Ladder Logic PLC 5 SLC 5 03 Provides a working example of the ladder logic needed to im
25. Transfer Write function The different types of data which are transferred require slightly different data 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 27 Harris Port 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
26. ad from the module into the PLC The different types of data which are transferred require slightly different data block structures but the basic data structure is Word Description 0 Block ID Code 1 BTW Block ID Number 2 62 Data In a PLC the BTR length must be configured for a length of 64 words otherwise module operation will be unpredictable Block ID Code A block identifier code between 0 and 255 in value This code is used by the ladder logic to determine what to do with the data block Valid codes are Where Code Description 0 Slave Port Error Status 128 Setpoint Write 129 Raise Lower Command 130 Control Point Command 131 Power Fail Reset 132 Time Sync 255 Communication configuration 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 25 of Block 255 See Section 4 1 1 Data The data corresponding to the command to be executed The structure and content of this data block is dependent on the command to be executed The following sections detail the command structures 4 2 1 Setpoint Arm Operate Op Codes 9 0 When a Setpoint Arm Operate sequence 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 command will not
27. ange 20 5 1 4 Op Code 5 Status Dump a 20 5 2 Control Commands From Master 20 5 2 1 Op Code 6 and 7 Control Point 20 5 2 2 Op Code 8 Raise Lower Port Type 3 21 5 2 3 Op Code 9 0Ah Setpoint 21 5 2 4 Op Code 0Bh Power Fail 22 5 2 5 Op Code 11h 13h 17h Time Sync 22 5 2 6 Op Code 18h Set Freeze 23 Hardware 23 6 1 3100 3101 Platform nar 23 6 2 3150 3151 SLO Platform I 24 Support Service and nennen nnns 26 d Technical SUDDOFrL uuu a apa DST ete Te ee tate e uta 26 7 2 Module Service and Repair 26 PES Sumu mata am Die UN LEM MIU UE EE IUE UNUM UE tates 27 7 3 1 General Warranty 27 7 3 2 Limitation 7 3 3 Hardware Product Warranty
28. ceived from the processor ladder logic On 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 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 the ERR2 LED2 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 This LED will stay on under several conditions CTS input is not being satisfied Port Configuration Error System Configuration Error Unsuccessful comm on HAR slave Recurring error condition on HAR master Tx1 PT1X Green Blink The port is transmitting data Tx2 PT2X Rx1 Green Blink The port is receiving data Rx2 PT2R 3150 3151 SLC Platform The PLC platform HAR product is available in two forms e ProSoft Technology Module 3150 CIM e Allen Bradley 1746 BAS card 24 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 plat
29. ction 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 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 INCIDENTAL 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 PROFI
30. e no 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 HAR slave Recurring error condition on HAR master TxRx1 Green Blink The port is communicating either transmitting or receiving TxRx2 data 25 VII Support Service and Warranty 7 1 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 661 664 7208 800 326 7066 661 664 7233 fax E mail address prosoft prosoft technology com 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 3 System hierarchy 4 Physical connection information RS 232 422 or 485 configuration 5 Module Operation Block Transfers operation LED patterns An after hours answering sy
31. en enable the timer for this period Op Code 9 0Ah Setpoint Arm Operate These control commands are recognized by the module and are used to move register values from the Master to the slave If the Operate command is received out of sequence must be received in next 21 5 2 4 5 2 5 communication sequence after the Arm command the command is disregarded The command data is presented to the ladder logic through the Block Transfer Read as follows Word Description 0 Value of 128 representing a Setpoint Operate command Bit Set Reset 1 BTW Block ID 2 Port Address This value is calculated as follows Slave ID Position 7 requested port The Slave ID Position is the between 0 and 3 representing one of the four valid configurable slaves The requested port value can range from 0 to 6 3 Point Address This value represents the point or register address to be controlled 4 Value This represents the 12 bit value to be written into the addressed register Example Word Value 0 128 1 3 2 3 3 0 4 1234 This command is instructing the ladder logic to write a value of 1234 into register 0 of port 3 In our ladder logic we could decode this as an instruction to set word 0 of a file or map the command as needed for our application Op Code OBh Power Fail Reset This command is recognized by the module and passed on to the ladder logic application Use for this command in the Allen Bradley e
32. forms and explains the operation of the LEDs 3150 HAR COMMUNICATIONS FAULT crc J ERRI 2 ERR2 Table 6 2 SLC Platform LED Indication ome cda saus aaa __ _ ____ __ __ _ Name Color Fast successlull Block Transferring with the SLC may be some other problem Blink Indicates the module has somehow entered the Basic 1 Sec Programming Mode Verify jumper JW3 BAS only configuration If all are correct then contact the factor 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 LAN 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 REM s thistime __ This light blinks every time Module Configuration block 1 255 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 Normal State When this light is off and the ACT light is blinking quickly the module is actively Block Transferring data with the SLC On Indicates that Block Transfers between the SLC and the module have failed ERR2 is actively transferring data there ar
33. gt Subtract 0 Source N12 200 Source N12 200 221 lt 221 lt Source B 2048 Source B 1 2048 lt 1 lt Dest N12 200 221 lt T4 0 B3 0 QU DN 7 Control Contact Dwell Time NEQ TON 0003 Not Equal Timer On Delay CEN gt Source A B13 0 Timer T4 1 0000000000000000 lt Time Base 0 00 DN 5 Source B 0 Preset 50 0 lt 0 lt T4 1 FLL Not Equal Fill File Source B13 1 DN Source 0 0000000000000000 lt Dest B13 0 Source B 0 Length 2 0 lt ACCUMULATOR DEMO One count is added to Accumulator every 10 seconds and will roll over 4095 T4 3 0004 Timer On Delay EN EE DN Timer T4 3 Time Base 0 01 CDND Preset 1000 Accum 898 ANALOG STATUS SCALED 2048 TO 2047 T4 3 ADD 0005 Add DN Source A 1 1 lt Source N10 201 3786 lt Dest N10 201 3786 lt GEQ MOV Grtr Than or A gt B Move Source A N10 201 Source 0 3786 lt 0 lt Source 4095 Dest N10 201 4095 lt 3786 lt 0006 C END gt Page 4 Monday June 28 1999 14 13 26 HAR503 LAD 5 MI handle Total Rungs in File 5 0000 0001 RAISE LOWER OP CODE 8 DECODING Output goes to N12 200 with value being raised or lowered based on timer preset BT READ BLOCK ID EQU EQU COP
34. h several of the available test programs This may be taken out in the future if not needed Bit 9 0 Enable LRC Calculation 1 Disable LRC Calculation Stop Bits The number of stop bits to be used is defined as follows 0 0 One stop bit 01 Two stop bits 1 x Invalid Port Configuration Parity The parity mode to be used by the module is defined by this word as follows Bits 15 14 0 No parity 0 1 Odd parity 1 0 Even 11 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 OO N O 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 i
35. he 1746 Platform Following are the jumper positions for the 1746 BAS module and the ProSoft Technology 3150 HAR module See Appendix C for details on jumper locations 3150 HAR 3151 HAR 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 JW3 JW4 The default from factory is RS 232 but all options are supported by the HAR firmware 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 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
36. he HARRIS module stores the data from the ladder logic in local memory read requests from the Master are serviced immediately The data registers are moved over the backplane between the card and the processor using the standard Block Transfer read and write func tions in the case of a PLC and M0 M1 file transfers in the case of an SLC The HARRIS module controls the data which is transferred from the module to the PLC SLC during a read BTR or M1 instruction from the module Being a slave module the only time valid data is transferred to the ladder logic is when a write command is issued from the Master When writing data from the ladder logic to the module BTW or MO instruction the ladder logic controls the data written to the HARRIS module Appendix A contains a PLC5 and a SLC program showing an example of the logic to transfer data registers to and from the module Section III discusses the transfer mechanism in detail as well as several important relationships between PLC SLC addressing and HARRIS addressing 3 2 2 Communications Configuration Parameters The communications configuration parameter data block contains the information necessary for the module to set up the HARRIS communications port peripheral port on the 1771 DB and Port 1 on the 1746 BAS as well as the Harris Port configuration information necessary for the module to operate On power up the module will not proceed without receiving this configura
37. ith 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 Set Freeze Interval command is Word Description 0 Set Freeze Interval Block ID 133 1 BTW Block ID Number 2 Freeze Interval Minutes 3 Minutes converted into Seconds Freeze Interval The value received from the host The possible values and associated actions are as follows Value Action 0 Freeze immediate 4 2 7 1 2 3 Valid intervals in minutes 4 5 6 10 12 15 20 30 60 63 Stop Freeze processing Slave Error Code Table The HAR 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 The structure of the data block is as follows Word Description Port 1 0 Current port 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 Current port 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 Numbe
38. n 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 Unless working under unusual conditions this value will normally be configured with a value of 0 The maximum value to be used is 65535 Oxffff 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 satellite 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 System Configuration Number of Active Slaves The module supports up to four valid slave addresses This value allows the number of active slaves to be configured Valid values range from 1 4 RTU x Slave Address The module supports up to four valid slave addresses This allows a PLC to effectively increase its data handling capacity by a factor of four Valid slave address are 1 to 63 with 0 reserved for broadcasts RTU x Port Data Type These parameters are used to configure the mod
39. ng of the individual LEDs for both the PLC and the SLC platforms 6 1 3100 3101 PLC Platform The PLC platform HAR 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 The following table documents the differences between LEDs on the two hardware platforms and explains the operation of the LEDs ProSoft CIM Card ACTIVE OO CFG OO ERR1 OO TXD1 OO RXD2 OO FLT BPLN ERR2 TXD2 RXD2 A B 1771 DB Rev B Card ACTIVE OO FLT DH485 OO BTLO LED1 OO LED2 PT1X OO PT2X PT1R OO PT2R 23 6 2 Table 6 1 Platform LED Indication CIM DB B Color Fast successfull Block Transferring with the PLC ee there may be some other problem Blink Indicates the module has somehow entered the Basic 1 Sec Programming Mode Verify jumper JW4 DB B only configuration If all are correct then contact the factor 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 Normal State system problems are detected during background diagnostics A system problem was detected during background diagnostics Please contact factory for technical support REA Normal state No configuration related activity is occurring at this time Blink This light blinks every time a Module Configuration block ID 255 is re
40. nology 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 1997 VI VII TABLE OF CONTENTS Specifications rettet EE RR pegas apes eee RR CERE range see 1 Configuring the HAR Module 1 2 1 Hardware Overview E REEE 1 2 2 Module Jumper 2 2 2 1 3100 3101 for the 1771 2 2 2 2 3150 3151 for the 1746 3 2 3 Firmware Installation Procedure 3101 amp 3151 3 2 3 1 1771 DB Revision B 3 2 3 2 1746 u anan ama a aa ota 4 Harris Slave Card Functions aaa 4 3 1 HARRIS 4 3 1 1 Command Reply 4 3 1 2 Command Types in the Harris Slave 4 3 1 3 Command Error 5 Ike Data MEY 5 3 2 Module Memory Layout 5 3 2 iiaiai aiaa E 5 3 2 2 Communications Configuration Parame
41. nvironment is relatively limited As a minimum the command should be used to reset the Power Fail Status bit to satisfy the needs of the Master The command data is presented to the ladder logic through the Block Transfer Read buffer as follows Word Description 0 Value of 131 representing a Power Fail Reset command Op Code 11h 13h 17h Time Sync These time synchronization commands are recognized by the module and are used to move register values from the Master to the slave The command data is presented to the ladder logic through the Block Transfer Read buffer as follows 22 VI Word 0 1 2 3 4 Description Value of 132 representing a Time Sync command BTW Block ID HH Hours MM Minutes SS Seconds Note that the time values may be copied directly to the processor status registers 5 2 6 Code 18h Set Freeze Interval The Set Freeze Interval command is recognized by the module and can be used to support the implementation in the PLC The command data is presented to the ladder logic through the Block Transfer Read buffer as follows Word 0 1 2 3 Hardware Diagnostics Description Value of 133 representing a Set Freeze Interval command BTW Block ID Freeze Interval in minutes Freeze Interval converted into seconds Several hardware diagnostics capabilities have been implemented using the LED indi cator lights on the front of the module The following sections explain the meani
42. ommunicated 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 to the module as part of the regular data transfer mechanism 5 2 1 Op Code 6 and 7 Control Point Arm 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 Arm command the command is disregarded The command data is presented to the ladder logic through the Block Transfer Read buffer as follows Word Description 0 Value of 130 representing a Control point Operate command Bit Set Reset 1 BTW Block ID 2 Port Number This value is calculated as follows Slave ID Position 7 requested port The Slave ID Position is the between 0 and 3 representing one of the four valid configurable slaves The requested port value can range from 0 to 6 3 Point Number This value represents the point or bit address to be controlled 4 State This value either a 0 or 1 represents the state to which the bit address is to be placed Example Word Value 0 130 1 1 2 3 3 2 4 1 This command is instructing the ladder logic to set bit 2 of Port 3 In our ladder logic we could decode this as an instruction to set B13 2 or map the command as needed for our application 20 5 2 2 5 2 3
43. ortant to the successful operation of the module In order to operate with our HAR EPROM the jumper must be in the 32K PROM position 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 Port 1 and 2 configuration Position A The position of this jumper set must be changed from the shipped default 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 PRT1 PGM PRT 2 ASCII DH485 RUN PRT 1 PRT 2 DF1 DH485 DISABLED 1 DEFAULT PRT 2 ASCII DH485 RUN JW5 JW6 Backplane 8 16 point 8 Point 8 point mode should be used Port 2 Baud Rate Not Used This jumper is not used by the HAR firmware All baud rate configuration is performed through the ladder logic data table 2 3 2 2 2 JW7 JW8 9 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 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 HAR firmware 3150 3151 for t
44. othing command Control Point Arm Operate Op Codes 6 7 When a Control Point Arm Operate sequence 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 Point command will not be transferred to the buffer unless the Operate Command is received immediately after a Arm Command 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 Control Point command is Word Description 0 Control Bit command Block ID 130 BTW Block ID Number Port Address Point Bit Address Set or Reset Value Q N Port Address The Port Address value represents the port number for the addressed RTU which the Master is sending a control value Within each RTU there are 7 valid ports 0 6 This value is calculated as follows Slave ID Position 7 requested port The Slave ID Position is the between 0 and 3 representing one of the four valid configurable slaves The requested port value can range from 0 to 6 Point Address The Point Address represents the bit address which the Master is controlling This value is used by the ladder logic to determine which bit address to act upon 4 2 4 4 2 5 4 2 6 Set Reset Value The value in this field is used to determine the action to be taken on the Point Address location Valid values are either
45. plement a solution Port Connection Diagrams Appendix Example PLC 5 Ladder Logic Example SLC Ladder Logic HARS RSP LAD 3 btw_btr Total Rungs in File 6 Block Transfer Read In addition to executing the BTR instruction this rung also begins the process of setting up the BTW Block ID by moving the 2nd value in the BTR buffer to the first value in the BTW buffer BT READ BT READ BT WRITE FROM ENABLE ENABLE MODULE N7 400 N7 300 BTR 0000 Block Transfer Read 15 15 Module Generic Block Transfer Rack 000 CDN2 Group 2 Module 0 Control Block N7 400 Data File N7 410 Length 64 Continuous No DECODE READ BLOCK ID EQU COP Equal Copy File Source N7 410 Source N7 412 0 lt Dest N7 70 Source B 0 Length 20 0 lt DECODE BT READ BLOCK ID LIM JSR Limit Test Jump To Subroutine Low Lim 128 Prog File Number 0 5 128 lt Test N7 410 0 lt High Lim 132 132 lt ENCODES WRITE BLOCK ID MOV Move Source N7 411 3 lt Dest N7 310 0 lt ISTSCAN ENCODES CONFIG BT WRITE DETECT BLOCK ID N7 309 MOV 4 Move 0 Source 255 255 lt Dest N7 310 0 lt Call to the routine which handles some of the command specific functionality JSR 0001 Jump To Subroutine Prog File Number U 4 Page 1 Monday June 28 1999 14 10 14
46. r 16 19 Spare Where Current Port Error Status This value represents the current value of the error code for the port This value will only be valid if the port is configured as a Slave The possible values are detailed in the following section Last Transmitted 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 4 2 8 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 HAR product the letters HAR should be displayed when placing the programming software in the ASCII data representation mode Revision The
47. r is stable and the modem is ready to transmit The module will not transmit until CTS is If CTS is turned off during transmission the module will stop transmitting until CTS is restored pm Terminal Ready DTR is a signal to the modem to indicate that the module is operational and ready for communication The module will continually assert DTR Set Ready DSR is a signal from the modem to the module to indicate that the modem is operational and ready for communication The module will not transmit or receive unless DSR is on This signal is typically continually asserted by the modem If the modem does not properly control DSR or if no modem is used DSR must be jumpered to a high signal at the module s RS 232 C connector Since DTR is held high by the module DSR can be jumpered to DTR DCD Data Carrier Detect DCD is a signal from the modem to the module to indicate that the carrier from another modem is being sensed on the link RS 232 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 RTS 7 4 5 CTS 8 5 7 GND 5 7 20 DTR 4 qsq 20 Note Do not connect pins 14 16 18 or 25 on the 25 pin connector to a modem These pins are used by the RS 422 485 drivers and may impact the operation of the modem RS 232 w o Handshaking ProSoft Module Device 25 Pin 9 Pin 25 Pin 2 TxD 3 2 RxD Verify pins 2 and 3 3 RxD
48. se two words represent the product revision level of the firmware 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 Production Run 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 Error Code Table reflects 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 Description 0 All OK The module is operating as desired 1 Control Invalid Point The Master is attempting to control a point which cannot be addressed by the slave 2 Control Timeout The Operate command was not received within the required time frame 3 Invalid Function The Function received from the Master is not supported by the slave 4 Data Sequence Error The Operate command was received out of sequence not immediately after a Arm 6 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 8 Message Time out Communications with the addressed slave have been unsuccessful due
49. stem 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 7 2 Module Service and Repair The HAR card is an electronic product designed and manufactured to function under somewhat adverse conditions with any product through age misapplication or any one of many possible problems the card may require repair 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 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 26 7 3 Warranty 7 3 1 7 3 2 7 3 3 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 period 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 ele
50. ters 6 HAR Theoretical Operation 6 4 1 Writing Data to the Module a 6 4 1 1 Communications Configuration Block ID Code 255 7 4 1 2 Writing Port Register Data Block ID Codes 0 27 11 4 2 Reading Data From the ProSoft Technology 13 4 2 1 Setpoint Arm Operate Op Codes 9 13 4 2 2 Raise Lower Command Op Code 8 14 4 2 3 Control Point Arm Operate Op Codes 6 7 15 4 2 4 Power Fail Reset Command Op Codes 0Bh 16 4 2 5 Time Synchronization Op Codes 11h amp 13h and 17 16 4 2 6 Set Freeze Interval Op Code 18 16 4 2 7 Slave Error Code 20 40 17 4 2 8 Error Status 18 Harris Commands 19 5 1 Data Read Functions rere e e tenete re a 19 5 1 1 Op Code 0 Data 19 5 1 2 Op Code 3 Status Change 19 5 1 3 Op Code 4 Status Ch
51. tion block HAR Theoretical Operation Data transfers between the processor and the ProSoft Technology module occur using the Block Transfer commands 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 must be in the RUN mode or in the REM RUN mode If in any other mode Fault PGM the block transfers between the PLC and the module will stop and communications will halt until block transfers resume 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
52. to a lack of response from the slave When this Error Code is received the command has been attempted three times 10 Buffer Overflow The communications buffer has overflowed and reset the character counter to 0 If this condition occurs the message size needs to be checked 16 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 Stop bit configuration Baud rate configuration Start Input Register Address Start Output Register Address 18 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 254 Checksum Error The slave determined that the message checksum was in error and therefore discarded the message 255 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 Harris Commands The ProSoft Technology Harris Slave module supports the most commonly used data read write commands The following sections discusses the commands supported in
53. ular Block ID Number The Block ID codes correspond to the port addressing as follows 9 2 10 3 11 4 12 5 13 6 14 0 15 1 16 2 17 3 18 4 19 5 20 6 21 0 22 1 23 2 24 3 25 4 26 5 27 4 6 Data The information to be moved to the module to be used for responses to the host commands The structure of the data is a function of the port type selected Indication Points Word Description 0 BTW Block ID 1 Port Status 2 Indicator points 1 16 3 Indicator points 17 32 4 Indicator points 33 48 5 Indicator points 49 63 Analog Points Word Description 0 BTW Block ID 1 Port Status 2 Analog Point 1 3 Analog Point 2 4 Analog Point 3 63 Analog Point 62 max possible Accumulator Points 12 bit values Word Description 0 BTW Block ID 1 Port Status 2 Accumulator 1 3 Accumulator 2 4 Accumulator 3 63 Accumulator 62 max possible Accumulator Points 24 32 bit values Word Description 0 BTW Block ID 1 Port Status 2 Accumulator 1 Low Word 3 Accumulator 1 High Word 4 Accumulator 2 Low Word 4 2 5 62 63 Accumulator 2 High Word Accumulator 31 Low Word Accumulator 31 High Word Reading Data From the ProSoft Technology Module This section discusses how to get data written to the ProSoft module by a Master into the PLC The transfer of data from the ProSoft Technology module to the PLC is executed through the Block Transfer Read function Four basic different types of data are re
54. ule with the types of ports that the module is emulating The Data Type word is broken down into a high byte and a low byte it is easiest to setup these values in the hex display mode while in the A B programming software as follows High Byte Port Type Low Byte Port Size Unused ports should be initialized to a value of 0 to insure that their is no invalid port configurations received by the module Valid configurations are as follows Data Port Type PortSize Description Value 1 Control and Indication C amp l 1 32 Point C amp l 257 2 63 Point C amp l 258 2 Analog Port 1 16 32 Point 513 2 63 Point 514 3 Raise Lower Port 1 6 Point R L Port 769 4 Accumulator Port 1 63 12 bit Accumulators 1025 2 31 24 bit Accumulators 1026 3 31 32 bit Accumulators 1027 6 Set Point Port 1 16 setpoints 1537 Writing Port Register Data Block ID Codes 0 27 Writing data to the ProSoft Technology module is a simple Block Transfer Write with Block ID codes from 0 to 27 followed by 63 words of data The data that is to be made available to the master for reading is written into the module in this fashion Word Description 0 BTW Block ID code 1 Port Status BIT DESCRIPTION 0 Online 0 or Offline 1 1 Power Fail 0 No power fail restart 1 RTU has had a restart This will remain set until a Power Fail Reset command is received See Appendix A logic 2 63 Data Each separate Block ID represents an individual port in the Harris vernac
55. written in assembly and in a compiled higher level language As such the interrupt capabilities of the hardware are fully utilized to minimize response delays to message requests from the master Configuring the HAR Module 2 1 Hardware Overview 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 source particular attention must be paid to hardware configuration 2 2 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 HAR module See Appendix C for details on jumper locations JW1 JW2 JW3 JW4 3100 HAR 3101 HAR N A Enabled N A 32K PROM N A Turbo Not Used ASCII ASCII 8 Pt 8 Pt Not Used Not Used Enabled Enabled As Needed As Needed As Needed As Needed 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 PROM select 32K PROM The position of this jumper is very imp
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