Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
Section 9. POWER SUPPLY AND P/S ALARM I/O
9.1 INTRODUCTION
This section provides technical information on Power Supply modules, and Power Supply Alarm I/O
modules used in IMUX 2000 M-DACS T1 Multiplexers. Refer to Paragraph 9.2 for Power Supply
module information, and to paragraph 9.3 for Power Supply Alarm I/O module information. Table 9-1
gives general information on these modules. For specific component information at the board level
please contact the factory with the board part number and revision level. Power Supply Schematics
are provided at the end of this section.
Table 9-1. Power Supply And Power Supply Alarm I/O, General Information
Unit Model Designation Part Number Input Voltage
Power Supply 2000 PS 250DC 9547-840 250 Vdc
Power Supply 2000 PS 220AC 9547-930 220 Vac
Power Supply 2000 PS 48/125DC High Power 9547-965 48 Vdc or125 Vdc
Power Supply 2000 PS 24VDC High Power 9547-975 24 Vdc
Power Supply 2000 PS 120AC High Power 9547-985 120 Vac
Power Supply Alarm I/O 2000 PS ALARM I/O DC 9547-18801 250 Vdc
Power Supply Alarm I/O 2000 PS ALARM I/O 48/125 DC 9547-18804 48 Vdc or125 Vdc
Power Supply Alarm I/O 2000 PS ALARM I/O 180/265 AC 9547-18805 220 Vac
48 Vdc or 125 Vdc for power supply
1, and 120Vac for power supply 2.
Power Supply Alarm I/O 2000 PS ALARM I/O HYBRID 9547-18806
Power Supply Alarm I/O 2000 PS ALARM I/O 24 DC 9547-18807 24 Vdc
Power Supply Alarm I/O 2000 PS ALARM I/O DC/AC 9547-18808 120 Vac
Note: See Table 9-3 for Power Supply Alarm I/O application information.
9.2 POWER SUPPLY MODULE
9.2.1 DESCRIPTION
The 2000 PS power supply modules are the power source for all logic circuits in the IMUX 2000 family,
which consists of the Multiplexer, ILS and DACS. As listed above, they are available in both dc-input
and ac-input versions. 50 watts of output power is available. The High Power models will give 75 watts
of output power.
Two supplies may be paralleled directly for redundancy, as Schottky steering diodes are provided on the
5-volt and 15-volt outputs. Input fusing and output overcurrent protection are provided as safety
features. In addition, the supply is designed to meet the Oscillatory, and Fast-Transient tests specified in
IEEE C37.90.1-2002.
M-DACS-T1 RFL Electronics Inc.
August 7, 2012 9-1 (973) 334-3100
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