rotork Modbus IQ Pro Technical Manual page 4

Modbus MFU Option Card Installation Manual
7 MODBUS DATA BASE ...................................................................................... 43
7.1 Modbus RTU Message Frame ........................................................................................... 43
7.2 Modbus Address ............................................................................................................... 43
7.3 Function Code Support .................................................................................................... 44
7.4 Broadcast Commands ...................................................................................................... 46
7.5 Data Location Offsets ....................................................................................................... 46
7.6 Data Locations .................................................................................................................. 46
7.6.1 Data Accessed with Function Code 01 - Read Coils ..................................................... 47
7.6.2 Data Accessed with Function Code 02 - Read Discrete Inputs ...................................... 47
7.6.3 Data Accessed with Function Code 03 - Read Holding Registers.................................. 48
7.6.4 Data Accessed with Function Code 04 - Read Input Registers...................................... 50
7.6.5 Data Accessed with Function Code 05 and 15 - Force Single and Multiple Coils .......... 51
7.6.6 Data Accessed with Function Code 06 and 16 - Preset Single and Multiple Registers .. 51
7.6.7 Data Accessed with Function Code 07 - Read Exception Status .................................. 52
7.6.8 Data Accessed with Function Code 08 - Loopback Diagnostic Test ............................. 52
7.6.9 Data Accessed with Function Code 17 - Report Slave ID ............................................. 52
7.7 Data Base Summary: ........................................................................................................ 53
8 CONFIGURATION REGISTERS ........................................................................ 55
8.1 Actuator Related Configurable Parameter Registers ...................................................... 57
8.1.1 Action on Loss of Communications (Register 7)............................................................ 57
8.1.2 Limited Range Position Minimum and Maximum (Registers 8 and 9) ............................ 57
8.1.3 Deadband and Hysteresis (Registers 10 and 14) .......................................................... 58
8.1.4 Motion Inhibit Timer (Register11).................................................................................. 59
8.1.5 Auxiliary Input Mask (Register 12) ................................................................................ 59
8.1.6 Communications Lost Position (Register 13) ................................................................ 60
8.1.7 Slow Mode Range (Register 15) ................................................................................... 60
8.1.8 Valve Jammed Time (Register 16) ............................................................................... 60
8.1.9 Manual Movement Travel (Register 17) ........................................................................ 61
8.1.10 Watchdog Timeout (Register 18) .................................................................................. 61
8.1.11 ESD DI-4/Net Disable (Register 19).............................................................................. 61
8.1.12 Analogue Input Max (Register 20) ................................................................................ 61
8.1.13 Communications Fault Timer (Register 21) ................................................................... 61
8.2 Modbus Network Related Configurable Parameter Registers ........................................ 61
8.2.1 Modbus Address (Register 22) ..................................................................................... 61
8.2.2 Baud Rate (Register 23) ............................................................................................... 62
8.2.3 Parity and Stop Bits (Register 24) ................................................................................. 62
8.2.4 Data Base Format (Register 25) ................................................................................... 62
8.2.5 Actuator Tag Name (Register 26 to 31) ........................................................................ 62
8.3 Return to Defaults ............................................................................................................. 62
9 SETTING UP AND MAINTAINING THE MODBUS MODULE ........................... 63
9.1 Using a Network Configuration Tool ................................................................................ 63
9.2 Setting up an IQ or IQT with the Setting Tool .................................................................. 63
10 MAINTENANCE AND REPAIR ....................................................................... 66
10.1 Records .......................................................................................................................... 66
11 TROUBLESHOOTING .................................................................................... 67
12 APPENDIX A - MODBUS MODULE MK1 DATA BASE ................................ 69
4 of 76 Publication PUB091-003-00_0119