GD350A series high-performance multifunction VFD
-172-
Function
code
Name
Description
Default Modify
with the direction. This mode is widely used.
The defined FWD/REV terminal command
determines the motor rotation direction.
FWD
REV
COM
K1
K2
Running
command
FWD REV
OFF OFF
OFF
OFF
ON
ON
ON
ON
Stop
Hold
Forward
running
Reverse
running
1: Two-wire control 2, the enabling separated
from the direction. In this mode, FWD is the
enabling terminal. The direction depends on
the defined REV state.
FWD
REV
COM
K1
K2
Running
command
FWD REV
OFF OFF
OFF
OFF
ON
ON
ON
ON
Stop
Stop
Forward
running
Reverse
running
2: Three-wire control 1. This mode defines Sin
as the enabling terminal, and the running
command is generated by FWD, while the
direction is controlled by REV. During running,
the Sin terminal needs to be closed, and
terminal FWD generates a rising edge signal,
then the VFD starts to run in the direction set
by the state of terminal REV; the VFD needs
to be stopped by disconnecting terminal Sin.
The direction control is as follows during
COM
K
SB2
SB1
FWD
REV
SIn
