The PLC 1756-IA32 is a ControlLogix AC input module that is primarily used to interface input or signaling devices that provides AC input signals with range of 74-132VAC. This module is a high-density input module, featuring Thirty-Two (32) input channels, grouped in Two (2), having Sixteen (16) channels per group. This module has group to group isolation, allowing the module to function even if a group has malfunctioned. Additionally, it features an input to backplane isolation however, it has no isolation between input channels.
The 1756-IA32 is part of the ControlLogix Programmable Automation Controller (PAC) product family. Each channel of this input module has a fixed hardware delay such as 1.5 ms delay in the OFF to ON transition and 1 ms delay in the ON to OFF transition. A user configurable delay may also be set with filter time options of 1 ms or 2 ms for OFF to ON transition and 9 ms or 18 ms for the ON to OFF transition.
