Writing (06) logic command data, Writing (06) logic command data. . . . . . e-3, Modbus rtu protocol e-3 – Rockwell Automation 22C PowerFlex 400 AC Drive FRN 1.xx - 7.xx User Manual
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Modbus RTU Protocol
E-3
PowerFlex 400 Adjustable Frequency AC Drive FRN 1.xx - 7.xx User Manual
Publication 22C-UM001I-EN-P
Writing (06) Logic Command Data
The PowerFlex 400 drive can be controlled via the network by sending
Function Code 06 writes to register address 8192 (Logic Command).
P036 [Start Source] must be set to 5 “Comm Port” in order to accept the
commands. In addition to being written, register address 8192 can be
read using Function Code 03.
Logic Command
Address (Decimal)
Bit(s)
Description
8192
0
1 = Stop, 0 = Not Stop
1
1 = Start, 0 = Not Start
2
1 = Jog, 0 = No Jog
3
1 = Clear Faults, 0 = Not Clear Faults
5,4
00 = No Command
01 = Forward Command
10 = Reverse Command
11 = No Command
6
1 = Local Control
(1)
, 0 = Comm Control
(1)
Local Control causes the drive to use
[Speed Ref 2] for start and
speed reference control.
7
1 = MOP Increment, 0 = Not Increment
9,8
00 = No Command
01 = Accel Rate 1 Enable
10 = Accel Rate 2 Enable
11 = Hold Accel Rate Selected
11,10
00 = No Command
01 = Decel Rate 1 Enable
10 = Decel Rate 2 Enable
11 = Hold Decel Rate Selected
14,13,12
000 = No Command
001 = Freq. Source = P038 [Speed Reference]
010 = Freq. Source = A142 [Internal Freq]
011 = Freq. Source = Comms (Addr 8193)
100 = A143 [Preset Freq 0]
101 = A144 [Preset Freq 1]
110 = A145 [Preset Freq 2]
111 = A146 [Preset Freq 3]
15
1 = MOP Decrement, 0 = Not Decrement