West Control Solutions N8100 - Manual (Page 62)

3-6 S054-3
59125
Parameter Identifier Description
Output
2
Usage
Output 2 secondary control (COOL) output
Alarm 2 hardware output, direct-acting. Avail-
able only if relay/SSR drive/solid state output.
Alarm 2 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.
Loop Alarm output, direct-acting. Available only
if relay, SSR drive or solid state output.
Loop Alarm output, reverse-acting. Available
only if relay, SSR drive or solid state output.
Alarm Hysteresis output, direct-acting. Available
only if relay, SSR drive or solid state output.
Alarm Hysteresis output, reverse-acting.
Available only if relay, SSR drive or solid state
output.
Direct-acting Reverse-acting
AL1 OFF, AL2 OFF: Relay de-energised AL1 OFF, AL2 OFF: Relay energised
AL1 ON, AL2 OFF: Relay energised
AL1 ON, AL2 OFF: Relay de-energised
AL1 OFF, AL2 ON: Relay energised AL1 OFF, AL2 ON: Relay de-energised
AL1 ON, AL2 ON: Relay energised AL1 ON, AL2 ON: Relay de-energised
Example of Logical Combination of Alarms - Logical OR of Alarm 1 & Alarm 2