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RKC INSTRUMENT SR Mini HG SYSTEM H-PCP-J Instruction Manual

Power supply/cpu module plc communication instruction manual
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SR Mini HG SYSTEM
Power Supply/CPU Module
H-PCP-J

PLC Communication

Instruction Manual
[For MITSUBISHI PLC]
IMS01J03-E1
RKC INSTRUMENT INC.
®

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Summary of Contents for RKC INSTRUMENT SR Mini HG SYSTEM H-PCP-J

  • Page 1: Plc Communication

    SR Mini HG SYSTEM Power Supply/CPU Module H-PCP-J PLC Communication Instruction Manual [For MITSUBISHI PLC] IMS01J03-E1 RKC INSTRUMENT INC. ®...
  • Page 2 The name of each programmable controller (PLC) means the products of each manufacturer. Company names and product names used in this manual are the trademarks or registered trademarks of the respective companies. All Rights Reserved, Copyright  2004, RKC INSTRUMENT INC.
  • Page 3 Thank you for purchasing this RKC instrument. In order to achieve maximum performance and ensure proper operation of your new instrument, carefully read all the instructions in this manual. Please place this manual in a convenient location for easy reference.
  • Page 4 The figures, diagrams and numeric values used in this manual are only for purpose of illustration. RKC is not responsible for any damage or injury that is caused as a result of using this instrument, instrument failure or indirect damage.

  • Page 5: Table Of Contents

    CONTENTS Page 1. OUTLINE................1 2. COMMUNICATION SPECIFICATIONS........ 3 3. CONNECTIONS ..............4 4. SETTING ON THE H-PCP-J MODULE SIDE....... 6 4.1 PLC Register Address Setting .................6 4.2 Protocol Selection and Communication Setting..........8 4.3 PLC Scanning Time Setting................9 5. SETTING ON THE PLC SIDE..........10 6.
  • Page 6 Page 9. USAGE EXAMPLE ............. 40 9.1 Connecting with PLC ..................41 9.2 Setting on The H-PCP-J Module Side ............42 9.3 Setting on The PLC Side ................46 9.4 Initial Setting (Data of SR Mini HG SYSTEM is written into The PLC)...48 9.5 Data Setting....................49 IMS01J03-E1...

  • Page 7: Outline

    1. OUTLINE This manual describes the communication function of the SR Mini HG SYSTEM and the MITSUBISHI programmable controller (hereafter called PLC). This manual is attached when the model code of H-PCP-J module is H-PCP-J- -D∗ -02E. For details of the H-PCP-J module, see the Power Supply/CPU Module H-PCP-J Instruction Manual (IMS01J02-E ).
  • Page 8 The following function module data can be used in PLC communication (see “Data map” on page 24). In addition, data on other modules connected (TI, AI, AO, etc.) can be used on one more communication port (RKC communication or Modbus). Function module...

  • Page 9: Communication Specifications

    2. COMMUNICATION SPECIFICATIONS Interface: Based on RS-422A, EIA standard Connection method: RS-422A: 4-wire system, multi-drop connection Synchronous method: Start/stop synchronous type Communication speed: 9600 bps, 19200 bps, 38400 bps Communication speed can be selected with switch Data bit configuration: Start bit: 1 Data bit: 8 Parity bit: Without Stop bit:...

  • Page 10: Connections

    3. CONNECTIONS RS-422A Pin layout of modular connector (RS-422A) COM.PORT1 H-PCP-J module R (A) R (B) T (B) T (A) Connector pin number and signal details (RS-422A) Pin No. Signal name Symbol Receive data R (A) Receive data R (B) Signal ground Send data T (B)
  • Page 11 Recommended model: TM4P-66P (Manufactured by HIROSE ELECTRIC CO., LTD.,) Customer is requested to prepare a communication cable fit for the control unit to be connected by the PLC. Connection cable W-BF-01 * (RKC product) can use to connect PLC. * Shields of the cable are connected to SG (No. 6 pin) of the H-PCP-J connector.

  • Page 12: Setting On The H-Pcp-J Module Side

    4. SETTING ON THE H-PCP-J MODULE SIDE 4.1 PLC Register Address Setting Set the register address of each control unit using the unit address setting switch at the front of the H-PCP-J module. For this setting, use a small blade screwdriver. Unit address setting switch Setting range: 0 to 15 (0 to F: hexadecimal)
  • Page 13 4. SETTING ON THE H-PCP-J MODULE SIDE Setting example: When group 2 is used Unit address 4 SR Mini HG SYSTEM Register address: control unit D3000 to D3499 Unit address 5 SR Mini HG SYSTEM Register address: control unit D3500 to D3999 Address in the same group is set Unit address 6...

  • Page 14: Protocol Selection And Communication Setting

    4. SETTING ON THE H-PCP-J MODULE SIDE 4.2 Protocol Selection and Communication Setting Match the setting of data bit configuration, communication speed and communication protocol with the PLC communication specification by COM.PORT1/COM.PORT2 setting switch (SW2). Setting example to recommend is shown in the following. COM.PORT1/COM.PORT2 setting switch (SW2) AnA/AnUCPU common command (QW/QR)

  • Page 15: Plc Scanning Time Setting

    4.3 PLC Scanning Time Setting Set the PLC scanning time (time of waiting for a response from the PLC) so as to adapt to the environment used. The PLC scanning time is set via host communication (RKC communication or Modbus).

  • Page 16: Setting On The Plc Side

    5. SETTING ON THE PLC SIDE Set the PLC as follows. (Recommend setting example) Item Description Protocol Type 4 protocol mode Station number Computer link/multi-drop Computer link selection Communication rate Set the same as SR Mini HG SYSTEM Operation setting Independent Data bit Parity bit...

  • Page 17: Communication Data

    6. COMMUNICATION DATA 6.1 Request Command and Data Transfer Data transfer between PLC and SR Mini HG SYSTEM are executed by request command. Request command “0: Monitor (PLC ← SR Mini HG SYSTEM)” Command which requests the SR Mini HG SYSTEM to write data such as temperature measured values, etc.
  • Page 18 6. COMMUNICATION DATA Data transfer procedures Change each set value of SR Mini HG SYSTEM from the PLC after the initial settings are made. If each set value of SR Mini HG SYSTEM is changed from the PLC without setting the initial values, it is re-written to 0 with each set value of the PLC at that time set to 0.
  • Page 19 6. COMMUNICATION DATA Data setting (When transmit data of temperature setting values from PLC to SR Mini HG SYSTEM) Start Set temperature set value (SV) and other setting data to each register (memory) in the PLC. [Data setting] Set “1” to the request When 1 (Setting) is set to request command, the command starts reading the temperature set...
  • Page 20 6. COMMUNICATION DATA Continued from the previous page. [Confirmation of setting data] Set “2” to the request When 2 (Set value monitor) is set to request command, command starts writing the temperature SR Mini HG SYSTEM set value data set to the PLC side. PCP communication If 3 (Writing on setting data) is set to PCP state = 3 ?

  • Page 21: Data Processing Precautions

    6. COMMUNICATION DATA 6.2 Data Processing Precautions With PLC communication, the maximum number of channels per unit address is 20. Read data of unused channel and undefined address is 0. The data type is treated as binary data with a sign and without a decimal point. For this reason, carefully express and set the data.
  • Page 22 6. COMMUNICATION DATA Some communication data may become invalid depending on the module selection or the configuration of the SR Mini HG System control unit. If any one of the conditions listed below occurs and data items written are within the setting range, read data becomes 0.

  • Page 23: Communication Data List

    6. COMMUNICATION DATA 6.3 Communication Data List • Name Item stored in the memory area. [ ]: The functional module name that data becomes valid is written. • Attributes RO: At the time of request command “0: Monitor,” SR Mini HG SYSTEM writes in data. (SR Mini HG SYSTEM →...
  • Page 24 6. COMMUNICATION DATA Continued from the previous page. Attri- Struc- Factory Name Data range bute ture set value Heater break alarm 0.0 to 100.0 A or 0.0 to 30.0 A set value For the current transformer (CT) input of the [H-CT-A] H-CT-A module.
  • Page 25 6. COMMUNICATION DATA Continued from the previous page. Attri- Struc- Factory Name Data range bute ture set value Integral time H-TIO- , 1 to 3600 seconds [H-TIO- , H-CIO-A, H-CIO-A: H-SIO-A] H-SIO-A: Derivative time H-TIO- , 0 to 3600 seconds (0: PI action) [H-TIO- , H-CIO-A, H-CIO-A: H-SIO-A]...
  • Page 26 6. COMMUNICATION DATA Continued from the previous page. Conditions which will cause the autotuning to stop: • When the temperature set value (SV) is changed. • When the memory area is changed. • When the PV bias value is changed. •...
  • Page 27 6. COMMUNICATION DATA Continued from the previous page. Attri- Struc- Factory Name Data range bute ture set value  Temperature measured TC/RTD input: value (PV) Within input range [H-TIO- , H-CIO-A] Current/voltage input: Within display scale range Motor speed measured Within display scale range ...
  • Page 28 6. COMMUNICATION DATA Continued from the previous page. Attri- Struc- Factory Name Data range bute ture set value 0: Monitor Request command Command which requests the SR Mini HG [H-PCP-J] SYSTEM to write data such as temperature measured values, etc. (attribute: RO) to the PLC side.
  • Page 29 6. COMMUNICATION DATA Continued from the previous page. Attri- Struc- Factory Name Data range bute ture set value  PCP normal The numbers 0 and then 1 are repeated in communication flag every communication period. [H-PCP-J] The SR Mini HG SYSTEM rewrites 0 and 1 in this area alternately like 0 →...

  • Page 30: Data Map

    7. DATA MAP 7.1 Reference to Data Map This data map summarizes the data (data register, link register) addresses, channels and names that can be used with PLC. For details on each data range, see the 6.3 Communication Data List (P. 17). Unit Unit Unit...

  • Page 31: Data Map List

    7. DATA MAP 7.2 Data Map List Unit address 0 to 3 (Group 1) Unit Unit Unit Unit address address address address Name D1000 to D1500 to D2000 to D2500 to Temperature set value (SV) CH1 to CH20 D1019 D1519 D2019 D2519 D1020 to...
  • Page 32 7. DATA MAP Continued from the previous page. Unit Unit Unit Unit address address address address Name D1383 to D1883 to D2383 to D2883 to Do not use this address range D1389 D1889 D2389 D2889 D1390 D1890 D2390 D2890 Memory area number D1391 D1891 D2391...
  • Page 33 7. DATA MAP Continued from the previous page. Unit Unit Unit Unit address address address address Name D3260 to D3760 to D4260 to D4760 to Temperature measured value (PV) CH1 to CH20 D3279 D3779 D4279 D4779 D3280 to D3780 to D4280 to D4780 to Heat-side manipulated output value...
  • Page 34 7. DATA MAP Continued from the previous page. Unit Unit Unit Unit address address address address Name D5100 to D5600 to D6100 to D6600 to Auto/Manual transfer CH1 to CH20 D5119 D5619 D6119 D6619 D5120 to D5620 to D6120 to D6620 to Manual output value CH1 to CH20...
  • Page 35 7. DATA MAP Unit address C to F (Group 4) Unit Unit Unit Unit address address address address Name W0000H to W0200H to D0000 to D0500 to Temperature set value (SV) CH1 to CH20 W0013H W0213H D0019 D0519 W0014H to W0214H to D0020 to D0520 to...
  • Page 36 7. DATA MAP Continued from the previous page. Unit Unit Unit Unit address address address address Name W017FH to W037FH to D0383 to D0883 to Do not use this address range W0185H W0385H D0389 D0889 W0186H W0386H D0390 D0890 Memory area number W0187H W0387H D0391...

  • Page 37: Current Transformer (Ct) Monitor

    8. CURRENT TRANSFORMER (CT) MONITOR Current transformer (CT) monitor function monitors only current transformer input. Control unit is configured with H-PCP-J module and H-CT-A module to do current transformer (CT) monitor. Data of functional module other than the H-CT-A module cannot be used. In addition, set the communication protocol to “MITSUBISHI MELSEC series special protocol AnA/AnUCPU common command (QW/QR) [Current transformer (CT) monitor].”...
  • Page 38 8. CURRENT TRANSFORMER (CT) MONITOR Current transformer (CT) monitor dedicated system configuration SR Mini HG SYSTEM control unit H-CT-A module H-PCP-J (10 modules max.) MITSUBISHI MELSEC series module RS-422A SR Mini HG SYSTEM control unit RS-422A H-CT-A module H-PCP-J (10 modules max.) module RS-422A Up to 16 control units per communication port of PLC...
  • Page 39 8. CURRENT TRANSFORMER (CT) MONITOR Usable computer link modules (MITSUBISHI MELSEC series) Name Type Computer link module AJ71UC24 A1SJ71UC24-R2 A1SJ71UC24-R4 A1SJ71UC24-PRF A1SJ71C24-R2 A1SJ71C24-R4 A1SJ71C24-PRF A1SCPUC24-R2 A2CCPUC24 (PRF) etc. The module which AnA/AnUCPU common command (type 4) can use. Serial communication AJ71QC24N A1SJ71QC24N QJ71C24...

  • Page 40: Setting On The H-Pcp-J Module Side

    8. CURRENT TRANSFORMER (CT) MONITOR 8.1 Setting on The H-PCP-J Module Side PLC register address setting Set the register address of each control unit using the unit address setting switch at the front of the H-PCP-J module. For this setting, use a small blade screwdriver. Unit address setting switch Setting range: 0 to 15 (0 to F: hexadecimal)
  • Page 41 8. CURRENT TRANSFORMER (CT) MONITOR Continued from the previous page. Unit address setting register Communication item switch address D7360 to Unit address 6 Current transformer input measured value D7419 CT1 to CT60 D7967 Unit address 6 PCP normal communication flag D7420 to Unit address 7 Current transformer input measured value D7479...
  • Page 42 8. CURRENT TRANSFORMER (CT) MONITOR Protocol selection and communication setting Match the setting of data bit configuration, communication speed and communication protocol with the PLC communication specification by COM.PORT1/COM.PORT2 setting switch (SW2). Setting example to recommend is shown in the following. COM.PORT1/COM.PORT2 H-PCP-J module setting switch (SW2)
  • Page 43 PLC scanning time setting Set the PLC scanning time (time of waiting for a response from the PLC) so as to adapt to the environment used. The PLC scanning time is set via host communication (RKC communication or Modbus). PLC scanning time setting...

  • Page 44: Setting On The Plc Side

    8. CURRENT TRANSFORMER (CT) MONITOR 8.2 Setting on The PLC Side Set the PLC as follows. (Recommend setting example) Item Description Protocol Type 4 protocol mode Station number Computer link/multi-drop Computer link selection Communication rate Set the same as SR Mini HG SYSTEM Operation setting Independent Data bit...

  • Page 45: Communication Data List

    8. CURRENT TRANSFORMER (CT) MONITOR 8.3 Communication Data List Attributes RO: SR Mini HG SYSTEM writes in data. (SR Mini HG SYSTEM → PLC) If the power is turned on, SR Mini HG SYSTEM always writes data to PLC. As for the setting of request command from PLC, there is not requirement.

  • Page 46: Usage Example

    Serial communication module QJ71C24 (RS-422A)..1 SR Mini HG SYSTEM control unit H-PCP-J module ..1 H-TIO-B module..5 Connection cable for connecting SR Mini HG SYSTEM control unit and PLC W-BF-01-3000 (RKC product, Sold separately) [Standard cable length: 3 m] ..1 IMS01J03-E1...

  • Page 47: Connecting With Plc

    R (A) Connect to the [COM. PORT1] Cable type: W-BF-01-3000 (RKC product, Sold separately) [Standard cable length: 3 m] Shields of the connection cable (W-BF-01-3000) are connected to SG (No. 6 pin) of the H-PCP-J connector. The details of the connectable connector for the PLC, please also read the instruction manual for the used PLC.

  • Page 48: Setting On The H-Pcp-J Module Side

    9. USAGE EXAMPLE 9.2 Setting on The H-PCP-J Module Side Unit address setting switch setting Set register range to use with the PLC side with unit address setting switch. For this setting, use a small blade screwdriver. Use register address D1000 to D1499 on the PLC side in usage example. Unit address setting switch Because register range to use with the PLC side is D1000 to D1499, set 0...
  • Page 49 9. USAGE EXAMPLE Continued from the previous page. Communication item register address D1320 to D1339 Current transformer input measured value (H-CT-A module) CH1 to CH20 D1340 to D1359 TIO status CH1 to CH20 D1360 to D1379 Set value monitor CH1 to CH20 D1380 Request command D1381...
  • Page 50 9. USAGE EXAMPLE Protocol selection and communication setting Match the setting of data bit configuration, communication speed and communication protocol with the PLC communication specification by COM.PORT1/COM.PORT2 setting switch (SW2). Set the data bit configuration, communication speed and communication protocol in usage example as follows.
  • Page 51 PLC scanning time setting Set the PLC scanning time (time of waiting for a response from the PLC) so as to adapt to the environment used. The PLC scanning time is set via host communication (RKC communication or Modbus). PLC scanning time setting...

  • Page 52: Setting On The Plc Side

    9. USAGE EXAMPLE 9.3 Setting on The PLC Side Set the Serial communication module of MITSUBISHI MELSEC Q series as follows. Setting item Description Setting item Description Operation setting Independent Writing during RUN Allowed Data bit Setting modification Allowed Parity bit Communication rate 38400 bps Even/odd parity...
  • Page 53 9. USAGE EXAMPLE Continued from the previous page. • Description Switches 1 to 5 Switch number Description b15 to b8 b7 to b0 Switch 1 CH1 Communication rate setting CH1 Transmission setting Switch 2 CH1 Communication protocol setting b15 to b8 b7 to b0 Switch 3 CH2 Communication rate setting...

  • Page 54: Initial Setting (Data Of Sr Mini Hg System Is Written Into The Plc)

    9. USAGE EXAMPLE 9.4 Initial Setting (Data of SR Mini HG SYSTEM is written into The PLC) Change each set value of SR Mini HG SYSTEM from the PLC after the following initial settings are made. Start Turn on power of each instrument.

  • Page 55: Data Setting

    9. USAGE EXAMPLE 9.5 Data Setting It is assumed that initial setting is finished. If each set value of SR Mini HG SYSTEM is changed from the PLC without setting the initial values, it is re-written to 0 with each set value of the PLC at that time set to 0. Setting example When set temperature set value (SV) of SR Mini HG SYSTEM as follows: Temperature set value (SV) CH1= 100 CH2=100...
  • Page 56 9. USAGE EXAMPLE If 1 (writing on monitor data) is set to D1381 (PCP communication status) in the PLC, this indicates that Is "D1381 = 1" ? temperature set value data have been read to start writing SR Mini HG SYSTEM data items such as temperature measured values (PV) etc.
  • Page 57 The first edition: SEP. 2004 [IMQ00] The fifth edition: OCT. 2003 [IMQ00]...
  • Page 58 RKC INSTRUMENT INC. HEADQUARTERS: 16-6, KUGAHARA 5-CHOME, OHTA-KU TOKYO 146-8515 JAPAN PHONE: 03-3751-9799 (+81 3 3751 9799) E-mail: info@rkcinst.co.jp FAX: 03-3751-8585 (+81 3 3751 8585) IMS01J03-E1 SEP. 2004...

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