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4 Specifications
I/O Connector Power Status Output Details
This section provides details of the Power Status Output relay.
The Power Status Output is a relay between pin 1 and 2 of the I/O Connector.
Power ON Power Status Output Operation
This section provides power ON details of the Power Status Output operation.
The Power Status Output turns ON to indicate that the system has been shut down and the power
supply to the IPC can be turned OFF.
If power is not turned OFF, the Power Status output will turn OFF when the IPC is turned ON.
The Power Status Output is ON A when the IPC has been used and has not been disconnected
from the power supply.
The Power Status Output is OFF B when the IPC has been disconnected from the power supply.
Closed (ON)
A
Relay
Open (OFF)
Closed (ON)
B
Relay
Open (OFF)
Additional Information
Refer to 5-4-4 Wire the I/O Connector on page 5-31 for I/O connector wiring details.
Power OFF Power Status Output Operation
This section provides power OFF details of the Power Status Output operation.
The Power Status Output turns ON to indicate that the system has been shut down and the power
supply to the IPC can be turned OFF.
If power is not turned OFF, the Power Status output will stay ON A . It will turn OFF when the IPC
is turned ON.
If power is turned OFF, the Power Status Output will turn OFF B .
4-14
Product OFF
Power up
start
Power supply has
been disconnected
Product ON
IPC Application Controller User's Manual (I632)
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