C-4 RS485 (DSI) Protocol
PowerFlex 4M Adjustable Frequency Drive FRN 1.xx - 2.xx User Manual
Publication 22F-UM001D-EN-E
Writing (06) Logic Command Data
The PowerFlex 4M drive can be controlled via the network by sending
Function Code 06 writes to register address 8192 (Logic Command).
P106 [Start Source] must be set to 5 “RS485 (DSI) 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 Controls the C-form relay when the value of parameter
t221 is
set to 13.
1 = On, 0 = Off
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 =
P108 [Speed Reference]
010 = Freq. Source =
A409 [Internal Freq]
011 = Freq. Source = Comms (Addr 8193)
100 =
A410 [Preset Freq 0]
101 =
A411 [Preset Freq 1]
110 =
A412 [Preset Freq 2]
111 =
A413 [Preset Freq 3]
15 1 = MOP Decrement, 0 = Not Decrement
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