PVI XR10CX, Manual

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Page 2 / 15
PV500-67 03/17
Table of Contents
1. THIS MANUAL ---------------------------------------------------------------------------------------------------------------- 3
2. MODBUS RTU: --------------------------------------------------------------------------------------------------------------- 3
2.1 OVERVIEW: --------------------------------------------------------------------------------------------------------------- 3
2.1.1 DEFINITIONS: ---------------------------------------------------------------------------------------------------- 3
2.2 COMMUNICATION DETAILS: ---------------------------------------------------------------------------------------- 4
2.2.1 Normal Communication diagram ----------------------------------------------------------------------------- 5
2.2.2 Communication with exception code ------------------------------------------------------------------------ 5
2.3 SEQUENCE OF MODBUS RTU COMMAND AND RESPONSE: -------------------------------------------- 5
3. COMMANDS (MESSAGES) ----------------------------------------------------------------------------------------------- 6
3.1 READ OUTPUT COIL (0x01): ----------------------------------------------------------------------------------------- 6
3.1.1 MASTER COMMAND TO READ COILS (0x01): --------------------------------------------------------- 6
3.1.2 SUCCESSFUL RESPONSE, READ COILS (0x01): ---------------------------------------------------- 6
3.1.3 EXCEPTION RESPONSE, READ HOLDING REGISTER (0x01): ---------------------------------- 6
3.2 WRITE SINGLE COIL (0x05): ----------------------------------------------------------------------------------------- 7
3.2.1 MASTER COMMAND TO WRITE SINGLE COIL (0x05):---------------------------------------------- 7
3.2.2 SUCCESSFUL RESPONSE, WRITE SINGLE COIL (0x05): ----------------------------------------- 7
3.2.3 EXCEPTION RESPONSE, WRITE SINGLE COIL (0x05): -------------------------------------------- 7
3.3 READ HOLDING REGISTERS (0x03): ----------------------------------------------------------------------------- 8
3.3.1 MASTER COMMAND TO READ REGISTERS (0x03): ------------------------------------------------ 8
3.3.2 SUCCESSFUL RESPONSE, READ HOLDING REGISTERS (0x03): ------------------------------ 8
3.3.3 EXCEPTION RESPONSE, READ HOLDING REGISTER (0x03): ---------------------------------- 8
3.4 WRITE SINGLE REGISTER (0X06): -------------------------------------------------------------------------------- 9
3.4.1 MASTER COMMAND TO WRITE SINGLE REGISTER (0x06): ------------------------------------- 9
3.4.2 SUCCESSFUL RESPONSE FROM WRITE SINGLE REGISTER (0x06) ------------------------- 9
3.4.3 EXCEPTION RESPONSE FROM WRITE SINGLE REGISTER (0x06): --------------------------- 9
3.5 WRITE HOLDING REGISTERS (0x10): ---------------------------------------------------------------------------- 10
3.5.1 MASTER COMMAND TO WRITE HOLDING REGISTER (0x10): ----------------------------------- 10
3.5.2 SUCCESSFUL RESPONSE FROM WRITE HOLDING REGISTERS (0x10):-------------------- 10
3.5.3 EXCEPTION RESPONSE FROM WRITE HOLDING REGISTERS (0x10): ---------------------- 10
3.6 EXCEPTION RESPONSE: --------------------------------------------------------------------------------------------- 11
4. XR10CX REGISTERS & COILS ------------------------------------------------------------------------------------------ 12
4.1 LIST OF REGISTERS IN THE XR10CX ---------------------------------------------------------------------------- 12
4.2 TYPICAL PARAMETERS FOR ACCESS OVER MODBUS: -------------------------------------------------- 13
5. SERIAL CONFIGURATION ------------------------------------------------------------------------------------------------ 13
5.1 PORT SETUP ------------------------------------------------------------------------------------------------------------- 13
6. WIRING -------------------------------------------------------------------------------------------------------------------------- 14
6.1 TYPICAL WIRING DETAIL --------------------------------------------------------------------------------------------- 14
6.2 PROPER WIRING EXAMPLE ----------------------------------------------------------------------------------------- 14
6.3 IMPROPER WIRING EXAMPLE-------------------------------------------------------------------------------------- 14
6.4 LINE TERMINATION (LT) ---------------------------------------------------------------------------------------------- 15
6.5 LINE BIASING ------------------------------------------------------------------------------------------------------------- 15
6.6 SERIAL INTERFACE XJ485 ------------------------------------------------------------------------------------------- 15
7. REFERENCES ---------------------------------------------------------------------------------------------------------------- 15
7.1.1 MODBUS INFORMATION: ------------------------------------------------------------------------------------ 15
7.1.2 APPLICATION DETAILS AND SENSOR LOCATIONS: ----------------------------------------------- 15
7.1.3 XR10CX FEATURES: ------------------------------------------------------------------------------------------ 15
7.1.4 MORE INFORMATION: ---------------------------------------------------------------------------------------- 15