BENSHAW RSi GM2 Series - Up-Down Operation

Learning Advanced Features
100
890054-00-00
GM2 Series VFD
Up-down Operation
The inverter can control the speed of the motor using digital inputs set to the Up and Down
functions. The Up/Down operation can be applied to systems that use upper-lower limit switches.
Three digital inputs are required. One set to U/D Enable, and the other two for Up (increase speed)
and Down (decrease speed) operation.
Group
Code
Name
Setting
Setting Range
Unit
Ad
65
Up-down operating
frequency save
1
Yes
0–1
-
In
65–69
Px terminal setting
options
17
Up
0–52
-
18
Down
20
U/D Clear
27
U/D Enable
The Up/Down operation will operate only when a multi-function (digital) terminal set to 27
(U/D Enable) is activated. The operation will follow the Up or Down inputs and will override other
speed reference inputs. When the U/D Enable input is De-activated, the inverter will respond to the
selected speed reference source.
If the frequency reference source parameter (Frq) is set as keypad, the frequency cannot be
programmed using the keypad when U/D Enable terminal is activated.