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Allen Bradley SLC 500 1746-NIO4I Analog I/O Module

Allen Bradley SLC 500 Analog Combination I/O Module

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ManufacturerAllen Bradley

Part number1746-NIO4I

Module Type Analog Combination I/O

Inputs 2 (Voltage/Current)

Output 2 (Current)

Input Ranges +/-10V DC, +/-20mA

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12-month warranty

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Veteran-owned

CAGE: 9NK75

2 Analog Inputs (V/mA) 2 Analog Outputs (mA) 16-bit resolution High noise rejection Single-slot module SLC 500 compatibility

Product description

The Allen-Bradley 1746-NIO4I is a high-resolution analog combination module for the SLC 500 series. This single-slot module features two analog inputs, configurable for ±10V DC or ±20mA, and two analog current outputs ranging from 0 to 20mA. It utilizes a 16-bit Sigma-Delta ADC for precise signal conversion and offers high rejection ratios for noise immunity.

This module is ideal for applications requiring both analog signal monitoring and control within SLC 500 automation systems. Its versatility in handling voltage and current signals makes it suitable for various industrial processes, including temperature, pressure, and flow control, across industries like manufacturing, water treatment, and building automation.

Stanlo Automation provides reliable surplus industrial parts, including the Allen-Bradley 1746-NIO4I. Source your automation components from us for quality assurance and timely delivery to minimize downtime.

Technical specifications

Module Type	Analog Combination I/O
Inputs	2 (Voltage/Current)
Output	2 (Current)
Input Ranges	+/-10V DC, +/-20mA
Output Ranges	0-20mA
Resolution	16-bit
Backplane Current	145mA @ 24V DC
Operating Temp	0-60°C

Common applications

Process Control

Manufacturing Automation

Water Treatment

Building Automation

Material Handling

Industrial Monitoring

Compatible systems

SLC 500 Controllers (e.g., 5/01, 5/02, 5/03, 5/04, 5/05)

Also known as

SLC 500 Analog Module AB 1746-NIO4I Analog Combination I/O

Replaces / compatible with

The 1746-NIO4I is a versatile analog I/O module for SLC 500 controllers. It is a direct replacement for older or failing combination I/O modules within the SLC 500 platform.

Technical note

Expert tip

This module is discontinued by the manufacturer as of April 29, 2021, making surplus sources like Stanlo Automation essential for ongoing support.

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Frequently asked questions

What are the input and output signal ranges for the Allen Bradley 1746-NIO4I?

The Allen Bradley 1746-NIO4I analog module supports voltage inputs from -10 to +10V DC and current inputs from -20 to +20mA. For outputs, it provides two analog current outputs ranging from 0 to 20mA, with a 5% over-range capability.