Rockwell Automation 20-COMM-M Modbus/TCP Adapter - Manual (Page 51)

Using Modbus/TCP Function Codes 4-15
20-COMM-M Modbus/TCP Adapter User Manual
Publication 20COMM-UM014C-EN-P
Supported Modbus
Registers The adapter supports the Modbus registers listed in Table 4.N .
Table 4.N Modbus Registers Supported by the Adapter
Modbus Register Description
Write Product Command Word Bits
0x00001 Stop
0x00002 Start
0x00003 Jog
0x00004 Clear Faults
0x00005 Direction 1
0x00006 Direction 2
0x00007 Local Control
0x00008 MOP Increment
0x00009 Accel Rate 1
0x00010 Accel Rate 2
0x00011 Decel Rate 1
0x00012 Decel Rate 2
0x00013 Reference Select 1
0x00014 Reference Select 2
0x00015 Reference Select 3
0x00016 MOP Decrement
Read Product Status Word Bits
1x00001 Ready
1x00002 Active
1x00003 Command Direction
1x00004 Actual Direction
1x00005 Accel
1x00006 Decel
1x00007 Alarm
1x00008 Fault
1x00009 At Speed
1x00010 Local Control 1
1x00011 Local Control 2
1x00012 Local Control 3
1x00013 Reference Select 1
1x00014 Reference Select 2
1x00015 Reference Select 3
1x00016 Reference Select 4
Read/Write Various Holding Registers
4x10001 Product Logic Command
4x10002 Keep Alive Register
4x10003 Reference Lo (Bit 0…15 of 32-bit Reference or the whole 16-bit Reference)
4x10004 Reference Hi (Bit 16…32 of 32-bit Reference)
4x10005 Datalink A1 In Lo Word
4x10006 Datalink A1 In Hi Word
4x10007 Datalink A2 In Lo Word
4x10008 Datalink A2 In Hi Word
4x10009 Datalink B1 In Lo Word
4x10010 Datalink B1 In Hi Word
4x10011 Datalink B2 In Lo Word
4x10012 Datalink B2 In Hi Word
4x10013 Datalink C1 In Lo Word
4x10014 Datalink C1 In Hi Word
4x10015 Datalink C2 In Lo Word
4x10016 Datalink C2 In Hi Word
4x10017 Datalink D1 In Lo Word
4x10018 Datalink D1 In Hi Word