Hardware reference guide

Power Supplies
94
35013379 02 October 2007
Specifications The following table shows the specifications for the CPS21100 PS 24 VDC power
supply module.
LED Indicator
and Description
The following figure shows the CPS21100 LED indicator.
The following table shows the CPS21100 LED description.
Specifications
Input Requirements
Input Voltage 20 ... 30 Vdc
Input Current 1.6 A
Inrush Current 30 A
Input Power Interruption 1.0 ms max @ 20 V. 20.0 ms max @ 24 V
Fusing (external) 2.5 A slo-blo recommended (Part # 043502516 or
equivalent)
Output to Bus
Voltage 5.1 Vdc
Maximum Current 3 A
Minimum Current 0.3 A
Protection Over Current, Over Voltage
General
Field Wiring Connector (included) 7 point terminal strip (Part # 043503328)
Internal Power Dissipation 2.0 + 3 x I
out
= Watts (where I
out
is in Amperes)
Operating Mode Standalone
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