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6-12
AND/OR of alarm output relays
When sharing an alarm output relay among multiple alarms, you can select from the
following conditions that cause the alarm output relay to be activated.
• AND : Activated when all alarms are being generated simultaneously.
• OR
: Activated when at least one of the alarms is being generated.
Specify the alarm output relay to operate under the AND condition as in [I01 (first relay)
to Ixx (where xx is the relay number)]. The initial setting is set to [None].
Alarm status
Channel 1
AND
Channel 2
OR
Alarm relay status
Note
If the reflash alarm is turned ON, I01 to I03 operates as reflash alarms. They are fixed to OR
logic operation. Specifying AND produces no effect.
Energize/de-energize operation of the alarm output relay
You can select whether to energize or de-energize the alarm output relay when the
alarm occurs. By selecting de-energize, the alarm output relay will operate in the same
manner as when the alarm occurs when the power supply is disrupted. Energize or de-
energize applies to all alarm output relays. The initial setting is set to [energize].
NO
Energized
De-energized
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
Power failure
NO = Normally opened ; C = common ; and NC = normally closed
Alarm off
Alarm on
6.4 Setting the Auxiliary Alarm Function (Basic Setting Mode)
Содержание RD-MV100 Series
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