Description

The Allen-Bradley 1746-IA16 is a 16-point AC digital input module designed for use with the SLC 500 programmable logic controller (PLC) system. This module provides a reliable interface between field-side AC input devices and the processor, converting high-voltage AC signals into logic-level signals compatible with the SLC 500 backplane. It is engineered for industrial environments requiring consistent monitoring of AC-powered sensors, switches, and pushbuttons.

Features

• 16 isolated input points for flexible wiring and signal segregation.
• Operating voltage range of 85-132 VAC at 47-63 Hz.
• Designed for seamless integration into the SLC 500 I/O chassis.
• Status indicators on the front panel for real-time monitoring of input signal states.
• Robust construction suitable for standard industrial control cabinets.

Applications

This module is typically utilized in manufacturing and process control systems where AC-based field devices are present. Common applications include monitoring limit switches, proximity sensors, and operator interface buttons within an SLC 500 control architecture.

Technical Specifications

Installation Guidelines

• Ensure power is disconnected from the SLC 500 chassis before inserting or removing the module to prevent electrical damage.
• Verify that the module is properly seated in the chassis slot and that the locking tab is engaged.
• Use appropriate wire gauges for terminal connections and ensure all connections are secure to prevent intermittent signal loss.
• Route signal cables away from high-voltage power lines and sources of electromagnetic interference (EMI) to maintain signal integrity.
• Maintain adequate clearance around the module to ensure proper airflow and cooling within the enclosure.

FAQ

What is the voltage range for the 1746-IA16?

The 1746-IA16 is designed to operate within an input voltage range of 85-132 VAC at a frequency of 47-63 Hz.

Is this module compatible with all SLC 500 chassis?

Yes, the 1746-IA16 is a standard I/O module for the SLC 500 platform and is compatible with standard SLC 500 I/O chassis.