C-4 RS485 (DSI) Protocol
PowerFlex 40 Adjustable Frequency AC Drive FRN 1.xx - 7.xx User Manual
Publication 22B-UM001I-EN-E
Writing (06) Logic Command Data
The PowerFlex 40 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 “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 Not Used in FRN 3.03 and earlier.
In FRN 4.01 and later, activates Opto Output 1.
Note: This bit controls the output when the value of parameter
A058 is set to 20.
7 Not Used in FRN 3.03 and earlier.
In FRN 4.01 and later, activates Opto Output 2.
Note: This bit controls the output when the value of parameter
A061 is set to 20.
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 = A069 [Internal Freq]
011 = Freq. Source = Comms (Addr 8193)
100 = A070 [Preset Freq 0]
101 = A071 [Preset Freq 1]
110 = A072 [Preset Freq 2]
111 = A073 [Preset Freq 3]
15 Not Used in FRN 3.03 and earlier.
In FRN 4.01 and later, activates C-form relay.
Note: This bit controls the output when the value of parameter
A055 is set to 20.
22B-UM001.book Page 4 Tuesday, May 30, 2017 5:22 PM
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