MGS Series Controller Manual
8 6709-9000 Rev 1
Figure 3. Sample Front Panels Showing Status LEDs
For dual-alarm configurations, the Alarm Low relay output “trips” or
“energizes” if any of the inputs exceed the alarm threshold set by the low
alarm pot. Similarly, the Alarm High relay output “trips” or “energizes” if
any of the inputs exceed the alarm threshold set by the high alarm pot.
All controllers have a green power LED that is on when the unit has
power. The 4- and 6-channel 2-level units have a fault relay which “trips”
or “energizes” if the controller experiences a fault condition. Like the
alarm relays, the fault relay can be use to activate warning lights, sirens,
ventilation fans, etc.
1.4. Components
The following is a summary of the MGS Controller’s hardware
components. Note that features vary based on model and features (e.g.,
1-2 channel units vs. 4-6 channel units, single-level alarms vs. dual-level
alarms, etc.).
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