Rockwell Automation 20-COMM-M Modbus/TCP Adapter - Manual (Page 41)

Using Modbus/TCP Function Codes 4-5
20-COMM-M Modbus/TCP Adapter User Manual
Publication 20COMM-UM014C-EN-P
Table 4.D Logic Command Registers (to Drive from Controller)
Table 4.E shows the Logic Command register used for writing 16-bit
commands or multiple decimal values.
Table 4.E Logic Command Register
To set the Reference, you must write the decimal values to register
addresses 10003 and 10004 (
Table 4.F ) using Function Code 16 or 23.
Register
Address Logic Command
Bit PowerFlex 70/700 Example
Description
Values
1 0 Stop 0 = Not Stop
1 = Stop
2 1 Start
(1) (2)
(1) A “0 = Not Stop” condition (logic 0) must first be present before a “1 = Start” condition will start the drive.
(2) To perform this command, the value must change from “0” to “1.”
0 = Not Start
1 = Start
3 2 Jog 0 = Not Jog (Par. 100)
1 = Jog
4 3 Clear Faults
(2)
0 = Not Clear Faults
1 = Clear Faults
5 4 Direction Register Address
6 5 6 5
0 0 = No Command
0 1 = Forward Command
1 0 = Reverse Command
1 1 = Hold Direction Control
7 6 Local Control 0 = No Local Control
1 = Local Control
8 7 MOP Increment 0 = Not Increment
1 = Increment
9 8 Accel Rate Register Address
10 9 10 09
0 0 = No Command
0 1 = Accel Rate 1 Command (Par. 140)
1 0 = Accel Rate 2 Command (Par. 141)
1 1 = Hold Accel Rate
11 10 Decel Rate Register Address
12 11 12 11
0 0 = No Command
0 1 = Decel Rate 1 Command (Par. 142)
1 0 = Decel Rate 2 Command (Par. 143)
1 1 = Hold Decel Rate
13 12 Reference Select Register Address
14 13 15 14 13
15 14 0 0 0 = No Command
0 0 1 = Ref A Select (Par. 90)
0 1 0 = Ref B Select (Par. 93)
0 1 1 = Preset 3 (Par. 103)
1 0 0 = Preset 4 (Par. 104)
1 0 1 = Preset 5 (Par. 105)
1 1 0 = Preset 6 (Par. 106)
1 1 1 = Preset 7 (Par. 107)
16 15 MOP Decrement 0 = Not Decrement
1 = Decrement
Register
Address Description Values
10001 Logic Command 16-bit word. Bit definitions for PowerFlex 70/700 drives are in
Table 4.D . For other products, refer to their documentation.