External Connection
4.4Relay Board
Relays
All relays are “fail safe”: In alarm modes, relay coil will be
Relay shown in alarm position
1 | Maximum load: 8.0A | – 250VAC | |
2 | |||
0.3A | – 60VDC | ||
|
3Minimum load: 0.05A – 6VAC 0.05A – 6VDC
4.4.1Relay Board Functions
NOTICE!
If “communication to controller lost” alarm is active, ALL relays will indicate failure.
Relay Number | Message | Alarm Trigging Events |
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|
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1 ## | Utility Outside | Utility voltage RMS value outside tolerance |
(X002) | Tolerance | Utility wave form (fast detector) outside tolerance |
|
| Utility frequency outside limits |
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Installation Guide APC Silcon | 31 |
