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TI04L55B01-01EN
DO Output Operation
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AND/OR Operation
When multiple alarms are assigned to one alarm output relay, you can select which condition
below will activate the output relay. You can also specify AND operation for internal switches.
• AND: Activated when all assigned alarms are occurring simultaneously
• OR: Activated when any of the specified alarms is occurring
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Reflash
When multiple alarms are assigned to one alarm output relay, this function notifies the
occurrence of subsequent alarms after the relay is activated by the first alarm. When subsequent
alarms occur, the output relay is released temporarily. The duration for which the relays are
deactivated can be set to 500 ms, 1 s, or 2 s.
Relays set to Reflash will operate using OR and Nonhold settings.
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Energize or De-energize Operation
You can select whether the alarm output relay is energized or de-energized when an alarm
occurs. If you select de-energize, the alarm output relays will be in the same state when the GM
is shut down as they are when an alarm occurs.
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Non-hold/Hold
The alarm output relay can be set to operate in the following fashion when the alarm condition is
no longer met.
• Turn OFF the relay output (nonhold).
• Hold the relay at ON until the alarm ACK is executed (hold).
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Alarm Acknowledge Operation (Alarm ACK)
Acknowledging All Alarms
Releases all alarm indications and relay outputs.
Individual Alarm ACK
You can releases specific alarms.
In System settings, under Alarm basic settings, Individual Alarm ACK must be set to On.
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Functions
Summary of Contents for SMARTDAC+ GM
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