INVT GD270-090-4 - Page 168

Goodrive270 series VFD for fan and pump Function parameter list
-158-
Function
code
Name Description Default
Modify
REV: Reverse running
3: Three
-
wire control 2. This mode defines Sin as
the enabling terminal, and the running command
is generated by FWD or REV, but the direction is
controlled by both FWD and REV. During
running, the Sin terminal needs to be closed, and
terminal FWD or REV generates a rising edge
signal to control the running and direct
ion of the
VFD; the VFD needs to be stopped by
disconnecting terminal Sin.
FWD
REV
COM
Sln
SB2
SB1
SB3
Sin FWD REV
Running
direction
ON 2))ĺ21
ON FWD run
OFF
FWD run
ON
ON
2))ĺ
ON
REV run
OFF REV run
21ĺ2))
Decelerate
to stop
Sin: Three
-wire control; FWD: Forward running;
REV: Reverse running
Note: For two
-wire controlled running mode,
when the FWD/REV terminal is valid, if the
VFD stops due to a stop command given by
another source, the VFD does not run again
after the stop command disappears even if
the control terminal FWD/REV is still valid. To
make the VFD run, you need to trigger
FWD/REV again,
for example, PLC
single-cycle stop, fixed-length stop, and valid