Veikong VFD500 Series User Manual page 65

Chapter 5 Function code
Function
Parameter name
code
SB2
SB1
SB3
Figure 3：
Two-line mode 1:
K1 is closed, the drive is running forward, K2 closed reverse operation, K1, K2 at the same time closed or
disconnected, the inverter stops running.
Two-line mode 2:
In K1 closed state, K2 disconnect the inverter forward, K2 closed inverter reverse; K1 off the inverter to stop
running.
Three-line mode 1:
DI3 is set to three-wire control function. When the SB1 button is closed, press the SB2 button. The inverter is
forward running. Press the SB3 button to invert the inverter. When the SB1 button is off, the inverter will stop.
During normal start-up and running, it is necessary to keep the SB1 button closed, and the commands of SB2
and SB3 buttons take effect during the closing operation. The running status of the inverter takes the last key
action of the three buttons as the standard.
Three-line mode 2:
DI3 is set to three-wire control function. When the SB1 button is closed, press the SB2 button to run the
inverter, K to switch the inverter forward, K to close the inverter and SB1 to turn off the inverter. During normal
start-up and operation, it is necessary to keep the SB1 button closed and the command of the SB2 button
effective during the closing operation.
Digital input
terminal filtering
P06.30
time
VFD500 high performance vector control frequency inverter user manual
K1
DI1 Forward
Run (FWD)
K2
DI2 Reverse
RUN (REV)
COM
Two-line mode
Figure1：
DI1 forward
SB2
command
DI3 operation
SB1
command
DI2 reverse
K
command
COM
Three-line mode
1
0.000～0.100s
Set the sample filter time of DI1~DI4 and HDI
terminals. If the interference is strong, increase
the parameter to avoid wrong operation.
- 63-
Description
K1
DI1 operation
function
K2
DI2 operation
direction
COM
Two-line mode
1 Figure 2：
DI1 forward
command
DI3 stop
command
DI2 operation
direction
COM
-line mode
Figure 4：Three
Default Property
2
2
0.010s
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