Hardware reference guide

I/O Modules

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35013379 02 October 2007

Output

Specifications

The following table shows the output specifications for the DDM39000 module.

Output Specifications

Voltage (Output)

Operating (max) 19.2 ... 30 Vdc

Absolute (max) 56 Vdc for 1.3 ms decaying voltage pulse

ON State Drop / Point 0.4 Vdc @ 0.5 A

Maximum Load Current

Each Point 0.5 A

Each Group 2 A

Per Module 4 A

Off State Leakage / Point 0.4 mA @ 30 Vdc

Surge Current Maximum

Each Point 5 A @ 500 μs duration (no more than 6 per

minute)

Load Inductance Maximum (Output) 0.5 Henry @ 4 Hz switch frequency or:

where:

L= Load Inductance (Henry)

I = Load Current (A)

F = Switching Frequency (Hz)

Load Capacitance Maximum 50 μf

0.5

This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com