Hardware reference guide

I/O Modules
582
35013379 02 October 2007
140DAI35300 Quantum I/O AC Input 24 Vac Module
Overview The AC Input 24 Vac 4x8 module accepts 24 Vac inputs.
Specifications The following table shows the specifications for the DAI35300 AC input 24 VAC IN
module.
Specifications
Number of Input Points 32 in four 8 point groups
LEDs Active
1 ... 32 (Green) - Indicates point status
F: Indicates channel fault.
Note: This module produces a fault signal
F if any one channel detects a broken wire
condition in the 4...20 mA range.
Required Addressing 2 words in
Operating Voltages and Input Currents*
50 Hz
Typical Input Impedance
ON: 14 ... 30 Vac (11.1 mA max)
OFF: 0 ... 5 Vac
3.1 kΩ capacitive
60 Hz ON: 12 ... 30 Vac (13.2 mA max)
OFF: 0 ... 5 Vac
Typical Input Impedance 2.6 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
1.9 mA
Input Frequency 47 ... 63 Hz
Absolute Maximum Input
Continuous 30 Vac
10 s 32 Vac
1 cycle 50 Vac
Response
OFF - ON Min: 4.9 ms., Max: 0.75 line cycle
ON - OFF Min: 7.3 ms., Max: 12.3 ms
Isolation
Group to Group 1780 Vac for 1 minute
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com