Hardware reference guide

I/O Modules
35013379 02 October 2007 721
Input
Specifications
The following table shows the Input specifications.
Input Specifications
Operating Voltages and Input (Wetting) 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
Absolute Maximum Input Voltages
Continuous 132 Vac
10 s 156 Vac
1 cycle 200 Vac
Response (Inputs)
OFF - ON Min 4.9 ms/max 0.75 line cycle
ON - OFF Min 7.3 ms/max 12.3 ms
Note: Input signals must be sinusoidal with less than 6% THD and 63 Hz maximum
frequency.
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com