Hardware reference guide

I/O Modules
35013379 02 October 2007 621
Specifications The following table shows the specifications for the DDI67300 125 VDC IN module.
Specifications
Number of Input Points 24 in three 8 point groups
LEDs Active
1 ... 24 (Green) - Indicates point status
Required Addressing 2 words in
Continuous Operating Voltages and Currents
ON (voltage) +88 ... +150 Vdc
OFF (voltage) 0 ... +36 Vdc
ON (current) 2.0 mA min
OFF (current) 0.5 mA max
Absolute Maximum Input
Continuous 156.25 Vdc including ripple
Input Response (OFF-ON, ON-OFF)
Default Filter 0.7 ms
Non-default Filter 1.5 ms
Internal Resistance
OFF State 73.8 kΩ (nominal)
ON State 31.6 kΩ (nominal)
Input Protection Resistor limited
Isolation
Group to Bus 2500 Vac rms for 1 minute
Group to Group 1780 Vac rms for 1 minute
Fault Detection None
Bus Current Required 200 mA
Power Dissipation 1.0 W + (0.62 W x the number of points on)
External Power Not required for this module
Fusing
Internal None
External User discretion
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com