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Shinko ACD-13A Communication Instruction Manual
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Shinko ACD-13A Communication Instruction Manual

1/16 din digital indicating controller
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COMMUNICATION INSTRUCTION MANUAL
This manual contains instructions for communication functions of the ACD-13A, ACR-13A.
Serial communication and Console communication cannot be used together.
When performing Serial communication, remove the exclusive cable (CMB) from the USB port of the PC and
console connector of the ACD-13A, ACR-13A.
When performing Console communication, it is not required to remove the Serial communication cables.
However, do not send a command from the master side.
1. System configuration
RS-232C (C option)
Host computer
RS-485 Multi-drop connection communication (C5 option)
Host computer
2. Wiring
RS-232C (C option)
• D-sub 9-pin connector
Host computer
ACD-13A, ACR-13A
RS-232C
(Fig. 1-1)
Comm. converter IF-400
RS-232C
RS-485
(Fig. 1-2)
ACD-13A, ACR-13A
Shielded wire
FG
(Fig. 2-1)
ACD-13A, ACR-13A (C5)
ACD-13A, ACR-13A
No. 0
No. 1
• D-sub 25-pin connector
Host computer
13 TX
14 RX
15 SG
1 GND
1
No. ACDR11CE1 2008.01
No. 30
ACD-13A, ACR-13A
13 TX
14 RX
15 SG
Shielded wire
(Fig. 2-2)

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Summary of Contents for Shinko ACD-13A

  • Page 1 COMMUNICATION INSTRUCTION MANUAL No. ACDR11CE1 2008.01 This manual contains instructions for communication functions of the ACD-13A, ACR-13A. Serial communication and Console communication cannot be used together. When performing Serial communication, remove the exclusive cable (CMB) from the USB port of the PC and console connector of the ACD-13A, ACR-13A.
  • Page 2 RS-485 (C5 option) When using communication converter IF-400 • D-sub 9-pin connector Host computer ACD-13A, ACR-13A IF-400 RS-232C RS-485 13 YA(-) 14 YB(+) 15 COM 1 GND Shielded wire Shielded wire 13 YA(-) 14 YB(+) 15 COM 1 GND D-sub 9-pin connector...
  • Page 3 • Selects the stop bit. • SVTC bias • By connecting to Shinko programmable controllers [PC-900 and PCD-33A with SVTC (Set value digital transmission) option], digital set values via the SVTC command can be received from the programmable controllers. See chapter “8“ on p.23.
  • Page 4 Command • Broadcast address (Modbus protocol) is set. • Communication error (framing error, parity error) No response • Checksum error (Shinko protocol), LRC discrepancy (Modbus ASCII (Fig.4-1) mode), CRC-16 discrepancy (Modbus RTU mode) Communication timing of the RS-485 Master side (Notice on programming)
  • Page 5 (3) Response with data Header Command Data Delimiter Address address Data Checksum (06H) type (20H) item (03H) (20H) (4) Acknowledgement Header Delimiter Address Checksum (06H) (03H) (5) Negative acknowledgement Header Error Delimiter Address Checksum (15H) code (03H) Header : Control code to represent the beginning of the command or the response. ASCII codes are used.
  • Page 6 Checksum calculation example SV: 600 (0258H) Address (instrument number): 0 (20H) • 1’s complement: Reverse each binary bit. 0 will become 1 and vice versa. • 2’s complement: Add 1 to 1’s complements. Checksum calculation range [e.g.] [Characters above are represented by ASCII] 45H 30H [Hexadecimal] [Binary]...
  • Page 7 Illegal data address (Non-existent data address) 3 (03H) Illegal data value (Value out of the setting range) 17 (11H) Shinko error code 4 (Unsettable status, e.g. AT is performing) 18 (12H) Shinko error code 5 (During setting mode by keypad operation) Data Data differs depending on the function code.
  • Page 8 (2) Error check of ASCII mode After calculating LRC (Longitudinal Redundancy Check) from the slave address to the end of data, the calculated 8-bit data is converted to two ASCII characters and are appended to the end of message. How to calculate LRC Create a message in RTU mode.
  • Page 9 Illegal data address (Non-existent data address) 3 (03H) Illegal data value (Value out of the setting range) 17 (11H) Shinko error code 4 (Unsettable status, e.g. AT is performing) 18 (12H) Shinko error code 5 (During setting mode by keypad operation) Data Data differs depending on the function code.
  • Page 10 (2) Error check of RTU mode After calculating CRC-16 (Cyclic Redundancy Check) from the slave address to the end of data, the calculated 16-bit data is appended to the end of message in sequence from low order to high order. How to calculate CRC In the CRC system, the information is divided by the polynomial series.
  • Page 11 Negative acknowledgement The slave will return Error code 1 (31H) (Shinko protocol) or Exception code 1 (01H) (Modbus protocol) in the following cases. • If AT/Auto-reset (0010H) is selected while control is in PI action or in ON/OFF action.
  • Page 12 Shinko Modbus Command Function Data item Data type code 20H/50H 03H/06H 0001H SV [Set value memory number 1(SM1)] Set value, Decimal point ignored 20H/50H 03H/06H 0002H EVT1 alarm value (SM1) Set value, Decimal point ignored 20H/50H 03H/06H 0003H EVT1 high limit alarm value (SM1)
  • Page 13 Shinko Modbus Command Function Data item Data type code 000FH: Pt100 -100.0 to 100.0 0010H:JPt100 -100.0 to 500.0 0011H: K -328 to 2498 0012H: K -328.0 to 752.0 0013H: J -328 to 1832 0014H: R 32 to 3200 0015H: S 32 to 3200...
  • Page 14 Shinko Modbus Command Function Data item Data type code 20H/50H 03H/06H 0046H OUT2 high limit Set value 20H/50H 03H/06H 0047H OUT2 low limit Set value 20H/50H 03H/06H 0048H Overlap/Dead band Set value, Decimal point ignored 20H/50H 03H/06H 0049H OUT2 ON/OFF action hysteresis...
  • Page 15 Shinko Modbus Command Function Data item Data type code 20H/50H 03H/06H 0060H Event output EVT1 allocation 0000H: No alarm action 0001H: High limit alarm 0002H: Low limit alarm 0003H: High/Low limits alarm 0004H: H/L limits independent 0005H: H/L limit range alarm...
  • Page 16 Shinko Modbus Command Function Data item Data type code 20H/50H 03H/06H 0073H EVT5 Alarm Energized/De-energized 0000H: Energized 0001H: De-energized 20H/50H 03H/06H 0074H Timer output delay action 0000H: ON delay timer 0001H: OFF delay timer 0002H: ON/OFF delay timer 20H/50H 03H/06H...
  • Page 17 Shinko Modbus Command Function Data item Data type code 20H/50H 03H/06H 00C0H Set value lock 0000H: Unlock 0001H: Lock 1 0002H: Lock 2 0003H: Lock 3 0004H: Lock 4 20H/50H 03H/06H 00C1H PID-PV function 0000H: Ineffective 0001H: Effective 20H/50H 03H/06H...
  • Page 18 Shinko Modbus Command Function Data item Data type code 00F0H Key operation change flag 0000H: No action clearing 0001H: All clearing 0A00H PV (process variable) Decimal point ignored 0A01H OUT1 MV Decimal point ignored 0A02H OUT2 MV Decimal point ignored...
  • Page 19 Shinko Modbus Command Function Data item Data type code Status flag 2 0A07H 0000 0000 0000 0000 : EVT1 input 0: OFF, 1: ON : EVT2 input 0: OFF, 1: ON : EVT3 input 0: OFF, 1: ON : EVT4 input...
  • Page 20 Shinko Modbus Command Function Data item Data type code Note: If Independent alarms such as High/Low limits independent, High/Low limit range independent and High/Low limits with standby independent is selected during EVT1 to EVT5 allocation (0060H to 0064H), the EVT1 to EVT5 alarm value (SM1) matches the low limit side, and EVT1 to EVT5 high limit alarm value (SM1) matches the high limit side.
  • Page 21 When acknowledgement is returned; Consider it as settings completed, and read all set values. When Error code 5 (35H, Shinko protocol) or Exception code 18 (12H, Modbus protocol) is returned as a negative acknowledgement; Consider it as during setting mode, and read the requisite minimum pieces of data such as PV (0A00H), OUT1 MV (0A01H), Status flag 1 (0A06H), etc.
  • Page 22 When communicating with a PLC Command example (Shinko protocol) when communicating with a Mitsubishi PLC (FX series, etc.) • Reading (Top D register: D100) Address 1, PV reading Sending Data (STX)(!)( )( )(0)(A)(0)(0)(F)(D)(ETX) Command Register Code Header (STX) D100(LSB) Address...
  • Page 23 8. Set value digital transmission By connecting to Shinko programmable controllers [PC-900 and PCD-33A with the SVTC (Set value digital transmission) option], digital set values via the SVTC command can be received from the programmable controllers. 8.1 Wiring RS-232C (only PC-900): Connect TX (PC-900) with RX (ACD/ACR-13A), RX (PC-900) with TX (ACD/ACR-13A) and SG with SG terminal.
  • Page 24 : 7 bits, 8bits/Even, Odd, No parity (Selectable by keypad) (Default: 7 bits/Even parity) Stop bit : 1, 2 (Selectable by keypad) (Default: 1) Communication protocol: Shinko protocol/ Modbus ASCII/ Modbus RTU (Selectable by keypad) (Default: Shinko protocol) Data format Communication protocol...

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Acr-13a