BENSHAW RSi GM2 Series - 3-Wire Operation

Learning Advanced Features
102
890054-00-00
GM2 Series VFD
3-Wire Operation
3-wire operation is used to latch the run command input signal (FWD or REV) when using a
momentary input. This configuration is commonly used to operate the inverter with a set of
momentary push buttons.
Group
Code
Name
Setting
Setting Range
Unit
Operation
drv
Command Source
1
Fx/Rx - 1
-
-
In
65–69
Px terminal setting
options
14
3-Wire
0–52
-
To enable the 3-wire operation, the following circuit is necessary. The minimum input time (t) for 3-
wire operation is 1ms, and the operation stops when the 3-Wire input terminal is de-activated
(Stop button) or both forward and reverse commands are applied at the same time.
[Terminal connections for 3-wire operation]
[3-wire operation]