February 2012 1-34 P/N 06-237058-001
POWER MANAGEMENT
UNIT (PMU) BOARD
(continued from previous page)
Trouble Relay Output: 1.0 A @ 30 Vdc (resistive)
Auxiliary Outputs: 2 per PMU, power-limited, special application
Aux. Output Operating
Voltage Range:
19.2 - 27.6 Vdc , power-limited
Aux. Output Max. Current: 2 A @ 470 F max. per output, power-limited
Battery Charging Circuit
Voltage:
27.0 Vdc (nominal)
Maximum Battery Charging
Circuit Current: 4.0 A (one Power Supply Unit); 8.9 A (two power supply units)
Maximum Battery Charging
Capacity:
165 AH
MAIN CONTROLLER BOARD (MCB)
DC Power Input to MCB: 27.6 Vdc @ 10.8 A maximum
KEYPAD/DISPLAY MCB includes one (1) Keypad/Display (mounted to board).
RS485 Output: EIA/TIA-485, AWG 18, twisted unshielded pair
4,000 ft. (1,219 m) maximum wire length
Use low capacitance cable – maximum 15pF per ft.
Baud Rate: 38,400 baud
Synch In/Out: 3.3 Vdc Logic - for local connections to RDCM and R-LAM Modules only
ON-BOARD RELAYS MCB includes three (3) Form-C Voltage Free, Programmable Relays and one (1)
dedicated Form-C Trouble Relay.
Relay Contact Rating: 3.0 A @ 24 Vdc (resistive)
3.0 A @ 120 Vac (resistive)
ON-BOARD RELEASE-
NOTIFICATION
APPLIANCE CIRCUITS
(R-NACs)
MCB includes two (2) R-NAC Circuits.
Refer to Specifications for R-NAC Expansion Card
End-of-Line Resistor: 10 K, 5%, 1/2 W
Total Voltage Drop at
End-of-Line:
2 V
Max. Supervisory Current: 5mA
ON-BOARD
NOTIFICATION
APPLIANCE CIRCUITS
(NACs)
MCB includes two (2) NAC Circuits.
Wiring Types/Electrical
Supervision:
–24 Vdc regulated
– CLASS-A or CLASS-B, supervised and power-limited
– Either synchronized or non-synchronized strobes are supported.
End-of-Line Resistor: 10 K, 5%, 1/2 W
Total Voltage Drop at
End-of-Line: 2 V
Item Description
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