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Allen Bradley 1771-IL PLC-5 8-Channel Isolated Analog Input Module

Allen Bradley 1771-IL PLC-5 8-Channel Analog Input Module.

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ManufacturerAllen Bradley

Part number1771-IL

Part Number 1771-IL

Manufacturer Allen Bradley

Product Type Analog Input Module

Product Line PLC-5

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Veteran-owned

CAGE: 9NK75

8 fully isolated differential input channels Supports voltage and current signals 16-bit resolution Compatible with PLC-5 systems Block transfer communication Robust electrical isolation

Product description

The Allen-Bradley 1771-IL is an Isolated Analog Input Module designed for the legacy PLC-5 system. It features eight fully isolated differential input channels that can be configured for various voltage and current signal ranges, including 1-5V DC, 0-5V DC, ±5V DC, ±10V DC, 4-20mA, 0-20mA, and ±20mA. This module offers 16-bit binary resolution and supports block transfer instructions (BTW, BTR) for data exchange. It is compatible with any 1771 I/O chassis.

This module is essential for industrial control systems requiring precise analog signal acquisition. It finds applications in manufacturing, process control, and monitoring systems where accurate measurement of voltage or current signals from sensors and instruments is critical.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen-Bradley 1771-IL. We provide tested and reliable surplus industrial components to keep your automation systems running. Trust Stanlo Automation for your critical PLC module needs.

Technical specifications

Part Number	1771-IL
Manufacturer	Allen Bradley
Product Type	Analog Input Module
Product Line	PLC-5
Number of Inputs	8 isolated differential channels
Input Ranges	Voltage (1-5V DC, 0-5V DC, ±5V DC, ±10V DC), Current (4-20mA, 0-20mA, ±20mA)
Resolution	16-bit binary
Chassis Compatibility	1771 I/O chassis
Communication	Block Transfer (BTW, BTR)

Common applications

Manufacturing

Process Control

Industrial Monitoring

Data Acquisition

Sensor Input

PLC-5 Systems

Compatible systems

Compatible with all Allen-Bradley 1771 I/O chassis and PLC-5 processors.

Also known as

PLC-5 Analog Input AB 1771-IL Allen Bradley Isolated Input

Replaces / compatible with

The 1771-IL is a component of the Allen-Bradley PLC-5 I/O family, designed to interface analog signals with the PLC processor.

Technical note

Expert tip

This module provides 1000V of isolation between channels, offering protection against electrical noise, ground loops, and voltage transients in industrial environments.

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Frequently asked questions

What types of analog signals can the Allen Bradley 1771-IL module accept?

The Allen Bradley 1771-IL module accepts both voltage signals (e.g., 1-5V DC, 0-5V DC, ±5V DC, ±10V DC) and current signals (e.g., 4-20mA, 0-20mA, ±20mA). This flexibility allows it to interface with a wide range of industrial sensors and instruments.