Hardware reference guide

I/O Modules
35013379 02 October 2007 579
140DAI34000 Quantum I/O 24 VAC IN Module
Overview The AC Input 24 Vac 16x1 module accepts 24 Vac inputs.
Specifications The following table shows the specifications for the DAI34000 24 VAC IN module.
Specifications
Number of Input Points 16 Individually Isolated
LEDs Active
1 ... 16 (Green) - Indicates point status
Required Addressing 1 Word In
Operating Voltages and Input Currents*
50 Hz ON: 14 ... 30 Vac (11.1 mA max)
OFF: 0 ... 5 Vac
Typical Input Impedance 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
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
Input to Input 1780 Vac for 1 minute
Input to Bus 1780 Vac for 1 minute
Fault Detection None
Bus Current Required 180 mA
Power Dissipation 5.5 W max
External Power Not required for this module
Fusing
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com