Rockwell Automation 20-COMM-M Modbus/TCP Adapter - Manual (Page 44)

4-8 Using Modbus/TCP Function Codes
20-COMM-M Modbus/TCP Adapter User Manual
Publication 20COMM-UM014C-EN-P
Table 4.H shows the Logic Status register used for reading 16-bit status
fields or multiple decimal values.
Table 4.H Logic Status Register
To view the Feedback, you must read the decimal values of register
addresses 10023 and 10024 (
Table 4.I ) using Function Code 03 or 23. For
details about how the Feedback is scaled, refer to page 4-6 .
Table 4.I Feedback Registers
10 9 Local Control Register Address
11 10 12 11 10
12 11 0 0 0 = Port 0 (TB)
0 0 1 = Port 1
0 1 0 = Port 2
0 1 1 = Port 3
1 0 0 = Port 4
1 0 1 = Port 5
1 1 0 = Port 6
1 1 1 = No Local
13 12 Reference Register Address
14 13 16 15 14 13
15 14 0 0 0 0 = Ref A Auto (Par. 90)
16 15 0 0 0 1 = Ref B Auto (Par. 93)
0 0 1 0 = Preset 2 Auto
0 0 1 1 = Preset 3 Auto
0 1 0 0 = Preset 4 Auto
0 1 0 1 = Preset 5 Auto
0 1 1 0 = Preset 6 Auto
0 1 1 1 = Preset 7 Auto
1 0 0 0 = Term Blk Manual
1 0 0 1 = DPI 1 Manual
1 0 1 0 = DPI 2 Manual
1 0 1 1 = DPI 3 Manual
1 1 0 0 = DPI 4 Manual
1 1 0 1 = DPI 5 Manual
1 1 1 0 = DPI 6 manual
1 1 1 1 = Jog Ref
Register
Address Description Values
10021 Logic Status Word 16-bit word. Bit definitions for PowerFlex 70/700 drives are in
Table 4.G . For other products, refer to their documentation.
Register
Address Description Values
10023
(1)
(1) For a 16-bit Feedback, you must read the complete 32-bit value.
Feedback Lo Bit 0…15 of 32-bit Feedback or the whole 16-bit Feedback
10024 Feedback Hi Bit 16…31 of 32-bit Feedback
Table 4.G Logic Status Registers (to Controller from Drive) (Continued)
Register
Address Logic Status Bit PowerFlex 70/700 Example
Description Values