EnerSys alpha LPS36, Техническое руководство

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33 0120011-J0 Rev M
Figure 24 — Converter shelf alarm relays
NO
C
NC
Major
Alarm
6�5�10 Optional Fan Tray
Failure of a fan generates a Major alarm. The form C relay, on the side of the fan tray, can also be connected to the
local alarm-sending unit. Use wire gauges from #28 to #16 AWG (0.08 to 1.31 mm
2
) The NO/C/NC positions for each
alarm are shown in Figure 25.
Outputs from the alarm relays can be ganged to produce one alarm at the alarm-sending unit.
NO
C
NC NO
C
NC
Major
Alarm
Minor
Alarm
6�5�8 Wiring the Alarm Relays
6�5�9 Converter Shelf
Two form C relay contacts are available for Major and Minor alarms.
Connect the relays (located on the side of the controller-side of the shelf) to the local alarm-sending unit using wire
gauges from #28 to #16 AWG (0.08 to 1.31 mm
2
). The NO/C/NC positions for each alarm are shown here.
Outputs from the alarm relays can be ganged to produce one alarm at the alarm-sending unit.
NOTE:
Terminal blocks for major and minor alarms use molex connector 39-01-4031. It mates
with Alpha alarm minifit JR. receptacle 5566-03A3-210. Kit #8700649-001 is available
with one connector.
Major Alarm Relay
Alarm Condition Present? NC to C NO to C
No Open Closed
Yes Closed Open
Minor Alarm Relay
Alarm Condition Present? NC to C NO to C
No Open Closed
Yes Closed Open
Figure 25 — Fan Tray Alarm Relay