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50
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Operation Instruction of S900 E Series Inverter
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51
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Input Status
Status of inverter
K1
K2
ON
OFF
Forward
OFF
OFF
Stop
OFF
ON
Reverse
ON
ON
Keep the original running condition
②
Three-wire type
A three-wire type connection is shown below.
The start self-holding selection becomes valid when the STOP
signal is turned on. In this case, the forward/reverse rotation signal
functions only as a start signal.
If the start signal (S1/S2) is turned on and then off, the start signal
is held and makes a start. When changing the direction of rotation,
turn S1(S2) on once and then off.
The stop the inverter, turning off the STOP signal once decelerates
it to a stop.
Use S1, S2, or S3 as input terminal for external signal
Parameter: P317=6 S1 is in forward
P318=7 S2 is in reverse
P319=8 S3 is in stop mode
P102=1 external terminal input
Motor
R
S
T
U
V
W
Power
supply
S1
S2
S3
GND
E
Sw3
S900 E
Sw1
Sw2
M