Hardware reference guide

I/O Modules
35013379 02 October 2007 673
140DDO35301 I/O DC Output 24 VDC 4x8 Discrete Source Module
Overview The 140DDO35301 source module switches 24 Vdc powered loads, and is short
circuit and overload resistant.
Specifications The following table shows the specifications for the DDO35301 24 VDC OUT
module.
Specifications
Number of Output Points 32 in four 8-point groups
LEDs Active (Green) Bus communication is present
F (Red) Group power missing or point faulted
1 ... 32 (Green) - Indicates point status
Required Addressing 2 words out
Voltage
Operating 19.2 ... 30 Vdc
ON State Drop / Point 0.5 Vdc @ 0.5 A
Maximum Load Current
Each Point 0.5 A
Each Group 4 A
Per Module 16 A
Off State Leakage / Point <1 mA @ 24 Vdc
Surge Current Maximum
Each Point 2 A (Internally limited)
Response (Resistive Loads)
OFF - ON < 0.1 ms
ON - OFF < 0.1 ms
Output Protection (internal) Thermal overload and short circuit
Load Inductance Maximum 0.5 Henry @ 4 Hz switch frequency, or:
Load Capacitance Maximum 50 μf
Isolation
Group to Group 500 Vac rms for 1 minute
Output to Bus 500 Vac rms for 1 minute
L =
0.5
l
2
F
where:
L = Load inductance (Henry)
l = Load current (A)
F = Switching Frequency (Hz)
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com