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3.12 Releasing the Alarm Output (Alarm ACK
Operation)
This operation releases the alarm indication or relay output (/A1, /A2, or /A3 option)
when the alarm indication or output relay is set to hold operation.
Procedure
Releasing the Alarm Output
1. Press the
FUNC
key.
2. Press the key with Alarm ACK shown on the screen.
The alarm indication or relay output is released. The screen returns to the data
display screen.
Func=Alarm ACK
Explanation
Alarm Output Relay Operation
• When the alarm is released
The alarm output is released when the alarm ACK operation is carried out.
• When an alarm is occurring
The alarm output is held even after the alarm ACK operation. If the alarm ACK
operation is carried out again after the alarm is released, the alarm output is released.
Indication (Status Display)
Blinks when an alarm occurs.
• When the alarm is released
The alarm indication turns OFF when the alarm ACK operation is carried out.
• When an alarm is occurring
The alarm indication turns ON after the alarm ACK operation. The alarm indication
turns OFF when the alarm is released.
Alarm
Alarm output
relay
Alarm ACK Alarm ACKAlarm ACK
or
or
Alarm indication
or
ON
Blinking
OFF
Blinking
OFF