Allen-Bradley 1756-IA32 ControlLogix 32-Point 120V AC Input Module

Allen-Bradley 1756-IA32 ControlLogix 120V AC 32-Point Discrete Input Module

Availability: 2 left in stock

The Allen-Bradley 1756-IA32 is a high-density discrete input module designed for the ControlLogix platform. This module provides 32 points of...

SKU: 1756-IA32

Manufacturer: Allen-Bradley
Product No.: 1756-IA32
Product Type: Digital Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 350g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The Allen-Bradley 1756-IA32 is a high-density discrete input module designed for the ControlLogix platform. This module provides 32 points of 120V AC input, facilitating reliable signal acquisition in industrial automation environments. It features electronic keying to prevent incorrect module insertion and offers programmable input filtering to manage signal noise and bounce.

Features

32-point high-density AC input interface
120V AC nominal operating voltage
Programmable input delay times (9 or 18 ms) for noise suppression
Electronic keying support to ensure proper system configuration
Backplane power consumption of 165 mA at 5V DC

Technical Specifications

Module Type	Discrete AC Input Module
Number of Inputs	32
Operating Voltage Range	74-132V AC
Input Current (Min)	5 mA @ 74V AC
Input Current (Max)	10 mA @ 132V AC
Off-State Current (Max)	2.5 mA
Power Dissipation	6.1 W @ 60 degC
Thermal Dissipation	20.8 BTU/hr @ 60 degC

Installation Guidelines

Ensure the ControlLogix chassis is powered down before installing or removing the module to prevent electrical damage or unexpected system behavior.
Verify the module is fully seated in the chassis slot and secured with the top and bottom latches.
Use appropriate shielded cabling for input signals to minimize electromagnetic interference (EMI) in high-noise industrial environments.
Maintain proper ventilation around the chassis to ensure the module stays within its rated thermal operating range, particularly when operating near the 60 degC maximum.
Configure electronic keying in the programming software to match the module revision and type, preventing configuration mismatches.

FAQ

What is the primary function of the 1756-IA32?

This module is used to interface 32 separate 120V AC field signals into the ControlLogix controller, allowing the PLC to monitor the status of external devices like switches, sensors, or relays.

Can the input filter be adjusted?

Yes, the input delay time is programmable to either 9 or 18 milliseconds, which allows the user to filter out transient noise or signal bounce from field devices.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

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Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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Engineering Lead, Germany

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We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.