gefran VDI100 Series Instruction Manual page 97

Terminal S1
Closed
Parameter 13-08 to 2, 4 or 6 for 2-wire program initialization, multi-function input terminal S1 is set to forward ,
operation/ stop, and S2 is set for reverse, operation / stop.
■ 3-wire operation
For 3-wire operation set any of parameters 03-02 to 03-07 (terminal S3 ~ S8) to 26 to enable 3-wire operation
in combination with S1 and S2 terminals set to run command and stop command.
Parameter 13-08 to 3, 5 or 7 for 3-wire program initialization, multi-function input terminal S1 is set to run oper-
ation, S2 for stop operation and S7 for forward/reverse command.
Note ! Terminal S1 must be closed for a minimum of 50ms to activate operation.
VDI100 • Instruction manual
Terminal S2
Closed
Forward,
Run / Stop
Reverse
Run / Stop
Figure 4.4.1 wiring example of 2-wire
Momentary switch)
Stop
(Normally closed
Momentary
switch)
Figure 4.4.2 wiring example of 3-wire
On
Run Command
Stop Command
Off
(forward)
Forward/Reverse
Command
Motor Speed
Stop Forward
Figure 4.4.3 3-wire operation
Operation
Stop Inverter, Display EF9 Alarm
after 500ms
S1
S2
24VG
Operation
(normally open
Run Command
S1
(On:Run)
Stop Command
S2
(Off: Stop)
S7 Forward/Reverse
selection
24VG
>= 50ms
Off
Off
(Stop)
On (Reversal)
Reverse Stop
Time
Time
Time
Time
Forward
97