TECHTOP TD20 Series Product Manual page 49

TD20 Series VFD
Function
Name
code
Detailed instruction of parameters
direction by the defined FWD and REV terminals
command.
FWD
K1
REV
K2
COM
1: 2-wire control 2; Separate the enable from the
direction. FWD defined by this mode is the enabling
ones. The direction depends on the state of the defined
REV.
FWD
K1
REV
K2
COM
2: 3-wire control 1; Sin is the enabling terminal on this
mode, and the running command is caused by FWD and
the direction is controlled by REV. Sin is natural closed.
SB2
The direction control is as below during operation:
Sln REV
OFF→ON
ON
ON→OFF
ON
ON→
ON
OFF
OFF
Running
FWD REV
command
OFF OFF Stopping
Forward
ON OFF
running
Reverse
OFF ON
running
ON ON Hold on
Running
FWD REV
command
OFF OFF Stopping
Forward
ON OFF
running
OFF ON
Stopping
ON ON
SB1
FWD
SIn
REV
K
COM
Previous
direction
Forward
Reverse
Reverse
Forward
Decelerate to stop
-47-
Function Parameters
Default
value
Reverse
running
Current
direction
Reverse
Forward
Forward
Reverse
Modify