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Installation Instructions
Model PSX-12C
12 Amp Power Supply Extender (S24235-B120-A2)
INTRODUCTION
Features
A24205-A334-B818
P/N 315-035840-1
The SIEMENS Model PSX-12C is a high current power supply extender. The power
supply extender works in conjunction with the PSC-12C power supply to provide an
additional 12A of
regulated 24VDC for
internal or external
system use.
Up to three PSX-12C
modules may be
connected to one
PSC-12C power
supply and one set
of batteries. The
PSX-12C has a
microprocessor-
controlled transfer
circuit that allows it
to switch the system
power to stand-by
batteries during loss
or reduction of the
AC power.
The PSX-12C
incorporates a 18A
circuit breaker on the
battery input.
The PSX-12C communicates directly to the PMI-S to report fault conditions and
allows the PMI-S to query the status of the power supply extender.
The PSX-12C mounts at the back of the enclosure of the system and occupies one
location on the Mounting Plate.
The PSX-12C features are as follows:
•
Universal AC power input 120VAC-240VAC @ 60Hz / 50Hz
•
Off-line Switch Mode Power Converter
•
Power Factor Correction
•
Total Output power of 12A@24VDC
Figure 1
PSX-12C 12 Amp Power Supply Extender
s
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Table of Contents
Related Manuals for Siemens PSX-12C
Summary of Contents for Siemens PSX-12C
-
Page 1: Installation Instructions
The PSX-12C communicates directly to the PMI-S to report fault conditions and allows the PMI-S to query the status of the power supply extender. The PSX-12C mounts at the back of the enclosure of the system and occupies one location on the Mounting Plate. -
Page 2: Operation
Controls and Indicators two terminal blocks, two terminal connections and two 60 pin flat ribbon connections as shown in Figure 2. The ribbon cable connectors are used to connect the PSX-12C with a PSC-12C, additional PSX-12-Cs or a Card Cage (CC-2/CC-5). - Page 3 TB4-2: (+) terminal The total cumulative sum of the 24VDC output (power limited + non-power limited) must not exceed 12A. Over current draw will initiate a PSX-12C shut down. The main AC power line must be turned OFF prior to installation.
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Page 4: Pre-Installation
(Refer to Figure 2 for the location of the switch.) The address for the PSX-12C must be the same as the address selected for it in the Zeus Programming Tool. To increment each digit of the address, press the “+”... -
Page 5: Installation
(Refer to Figure 4.) When the PSX-12C is in the correct position it will be flush with the top, bottom and right side of the Mounting Plate. Tighten the four screws. - Page 6 The PSX-12C has removable terminal blocks and connectors at the top and bottom of the module. The terminal block at the top of the PSX-12C is power limited. The terminals and connectors at the bottom of the PSX-12C are non-power limited. (Refer to Figure 5.)
- Page 7 PSC-12C PSX-12C RESET RESET POWER POWER MODULE FAIL MODULE FAIL CAN FAIL CAN FAIL H - NET FAIL H - NET FAIL GND FAULT GND FAULT 24V 12 FAIL 24V 12 FAIL 24V 4A FAIL 24V 4A FAIL BATTERY BATTERY O —...
- Page 8 PSC-12C PSX-12C RESET RESET POWER POWER MODULE FAIL MODULE FAIL CAN FAIL CAN FAIL H - NET FAIL H - NET FAIL GND FAULT GND FAULT 24V 12 FAIL 24V 12 FAIL 24V 4A FAIL 24V 4A FAIL BATTERY BATTERY O —...
- Page 9 To ensure that the PSX-12C power supply is not overloaded, use the form and follow the procedure listed below. Enter the quantity of each card/module in the enclosure. Calculate both the 24VDC and 6.2VDC loads for each row.
- Page 10 ) battery connection. Battery backup is required. (15 amp hours is the minimum size and 100 amp hours is the maximum size of the battery for the PSX-12C). Battery Connections Attach the red battery wire to the quick disconnect on the positive terminal and the blue battery wire to the quick disconnect on the negative terminal with the M5 screws and lock nuts supplied with the PSC-12C.
- Page 11 H - NET FAIL H - NET FAIL GND FAULT GND FAULT 24V 12 FAIL 24V 12 FAIL 24V 4A FAIL 24V 4A FAIL BATTERY BATTERY BATTERY BATTERY O — O — Figure 9 Wiring Batteries To The PSX-12C A24205-A334-B818 P/N 315-035840-1...
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Page 12: Electrical Ratings
For CE applications in Cerberus E100 systems refer to Installation Instruction A24205-A334-B844 (English) or A24205-A334-A844 (German). © Siemens Gebäudesicherheit GmbH & Co. oHG 2003 Order No. A24205-A334-B818 Siemens Building Technologies, Inc. Florham Park, New Jersey 07932 (Edition1) Siemens Building Technologies, Ltd Brampton, Ontario L6T 5E4 CN P/N 315-035840-1 Issued by Siemens Delivery subject to availability;...