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S077-3 Volume I 3-7
Parameter Identifier Description
Output
3
Usage
Alarm 1 hardware output, direct-acting. Avail-
able only if relay/SSR drive/solid state output.
Alarm 1 hardware output, reverse-acting. Avail-
able only if relay, SSR drive or solid state output.
Direct-acting output for Logical OR of Alarm 1
and Alarm 2. Available only if relay, SSR drive,
or solid state output.
Reverse-acting output for Logical OR of Alarm 1
and Alarm 2. Available only if relay, SSR drive,
or solid state output.
Direct-acting output for Logical AND of Alarm 1
and Alarm 2. Available only if relay, SSR drive,
or solid state output.
Reverse-acting output for Logical AND of Alarm
1 and Alarm 2. Available only if relay, SSR drive,
or solid state output.
Recorder Output - Setpoint (DC output only)
Recorder Output - Process Variable
(DC Output only)
Profile Active output, direct-acting. Available
only if relay or SSR drive output.
Profile Active output, reverse-acting. Available
only if relay or SSR drive output.
Event output, direct-acting. Available only if
relay or SSR drive output.
Direct-acting Reverse-acting
AL1 OFF, AL2 OFF: Relay
de-energised
AL1 OFF, AL2 OFF: Relay
energised
AL1 ON, AL2 OFF: Relay de-energised AL1 ON, AL2 OFF: Relay energised
AL1 OFF, AL2 ON: Relay de-energised AL1 OFF, AL2 ON: Relay energised
AL1 ON, AL2 ON: Relay energised AL1 ON, AL2 ON: Relay de-energised
Example of Logical Combination of Alarms - Logical AND of Alarm 1 & Alarm 2