Hardware reference guide

Power Supplies
100
35013379 02 October 2007
Specifications The following table shows the specifications for the 24 Vdc, 8 A DC redundant power
supply.
LED Indicator
and Description
The following figure shows the CPS22400 LED indicator.
The following table shows the CPS22400 LED description.
Specifications
Input Requirements
Input Voltage 20 ... 30 Vdc
Input Current 3.8 A max
Inrush Current 25 A @ 24 Vdc. 14 A @ 20 Vdc
Input Ripple 2.4 Vdc max, 94 ... 189 Hz
Input Power Interruption 1 ms max @ 24 Vdc
Fusing (external) 5.0 A slo-blo recommended (Part # 043502405 or
equivalent)
Output to Bus
Voltage 5.1 Vdc
Current 8 A
Protection Over Current, Over Voltage
General
Surge Withstand 2.3 x Maximum Rated Input Voltage for 1.3 ms
Field Wiring Connector 7 point terminal strip (Part # 043503328)
Internal Power Dissipation 6.0 + 1.8 x I
out
= Watts (where I
out
is in Amperes)
Operating Mode Standalone / Redundant
LED Description
LEDs Color Indication when On
Pwr ok Green Power is supplied to the bus.
Pwr ok
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com