Hardware reference guide

I/O Modules
35013379 11/2011 573
140DDI67300 Quantum I/O DC Input 125 Vdc 3x8 Sink Module
Overview
The DC Input 125 VDC 3x8 Sink module accepts 125 Vdc inputs and is for use with
shared input common wired to positive potential. The module has software-
selectable response time to provide additional input filtering.
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