Rockwell Automation 20-COMM-H RS485 HVAC Adapter FRN 2.xxx - Manual (Page 35)

Using Modbus RTU 4-3
20-COMM-H RS-485 HVAC Adapter User Manual
Publication 20COMM-UM009D-EN-P
0x0009 Accel Rate
0x0010
0x0011
Decel Rate
0x0012
0x0013
Reference Select
0x0014
0x0015
0x0016
MOP Decrement
Read Product Status Word Bits
1x0001 Ready
1x0002 Active
1x0003 Command Direction
1x0004 Actual Direction
1x0005 Accel
1x0006 Decel
1x0007 Alarm
1x0008 Fault
1x0009 At Speed
1x0010 Local Control
1x0011
1x0012
1x0013
Reference
1x0014
1x0015
1x0016
Read Various Input Registers
3x0001 Product Status Word
3x0002 Feedback Lo (Bits 0…15 of 32-bit Feedback)
3x0003 Feedback Hi (Bits 16…31 of 32-bit Feedback or whole 16-bit Feedback)
3x0004 Read USER IN 1
3x0005 Read USER IN 2
3x0006 Read USER IN 3
3x0007 Read USER IN 4
3x0008 Read USER IN 5
3x0009 Read USER IN 6
3x0010 Read USER IN 7
3x0011 Read USER IN 8
3x0012 Read Datalink A1 Out
3x0013
3x0014
Read Datalink A2 Out
3x0015
3x0016
Read Datalink B1 Out
3x0017
3x0018
Read Datalink B2 Out
3x0019
3x0020
Read Datalink C1 Out
3x0021
3x0022
Read Datalink C2 Out
3x0023
3x0024
Read Datalink D1 Out
3x0025
3x0026
Read Datalink D2 Out
3x0027
Table 4.C Adapter Modbus Register Map (Continued)
Modbus Register Function