Hardware reference guide

I/O Modules
598
35013379 02 October 2007
140DAI55300 Quantum I/O AC Input 115 Vac 4x8 Module
Overview The AC Input 115 Vac 4x8 module accepts 115 Vac inputs.
Specifications The following table shows the technical specifications for the DAI55300 115 VAC IN
module.
Specifications
Number of Input Points 32 in four 8 point groups
LEDs Active
1 ... 32 (Green) - Indicates point status
Required Addressing 2 words in
Operating Voltages and Input Currents*
50 Hz
Typical Input Impedance
ON: 85 ... 132 Vac (11.1 mA max)
OFF: 0... 20 Vac
14.4 kΩ capacitive
60 Hz
Typical Input Impedance
ON: 79 ... 132 Vac (13.2 mA max)
OFF: 0 ... 20 Vac
12 kΩ capacitive
*Do not use outside the 47 ... 63 Hz range.
Maximum Allowable Leakage Current from
an External Device to be Recognized as an
OFF Condition
2.1 mA
Input Frequency 47 ... 63 Hz
Absolute Maximum Input
Continuous 132 Vac
10 s 156 Vac
1 cycle 200 Vac
Response
OFF - ON Min: 4.9 ms., Max: 0.75 line cycle
ON - OFF Min: 7.3 ms., Max: 12.3 ms
Isolation
Input to Input All inputs in a group must be from the
same phase of line input voltage.
Group to Group 1780 Vac for 1 minute
Input to Bus 1780 Vac for 1 minute
Fault Detection None
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com