Catalog > Allen-Bradley 1756-IA32 ControlLogix PLC Input Module

Allen-Bradley 1756-IA32 ControlLogix PLC Input Module

The Allen-Bradley 1756-IA32 is a digital input module designed for the ControlLogix PLC system. It provides 32 inputs for connecting various sensors and devices to the PLC, allowing for real-time monitoring and control in industrial automation applications.

Input Channels32
Input Voltage Range10-31.2 VDC
Input Delay< 1 ms
Operating Temperature-20 to 55°C
Backplane Current Load120 mA @ 5V

Symptoms of Failure:
Common failure symptoms for the 1756-IA32 module include erratic input readings and complete loss of communication with the PLC. To quickly test the module, check for proper power supply voltage at the input terminals using a multimeter.

Facilities may choose to buy a replacement for the Allen-Bradley 1756-IA32 module instead of upgrading due to its compatibility with existing ControlLogix systems commonly used in critical applications like continuous process control. Maintaining the legacy architecture is cost-effective as it avoids the need for extensive reprogramming and system downtime.