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Allen Bradley 1771-IS Input Module

Allen Bradley 1771-IS high-speed DC Input Module for PLC-5.

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ManufacturerAllen Bradley

Part number1771-IS

Module Type Input Module

Voltage 5V DC

Channels 8

Isolation Field-to-logic

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12-month warranty

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Veteran-owned

CAGE: 9NK75

8 high-speed DC input channels 1 ms scan time 5V DC operation Field-to-logic isolation Designed for PLC-5 systems Reliable digital input

Product description

The Allen Bradley 1771-IS is an Input Module for the PLC-5 family, specifically designed for high-speed DC inputs. This module offers fast response times, making it suitable for applications requiring rapid detection of digital signals.

This module is commonly used in machine control, high-speed packaging, and material handling systems where quick and accurate signal acquisition is critical. Its design ensures reliable performance in industrial environments, providing essential I/O capabilities for PLC-based automation.

Stanlo Automation, a veteran-owned business specializing in surplus automation parts, offers the 1771-IS. We provide dependable components to support your industrial automation needs, ensuring quality and value.

Technical specifications

Module Type	Input Module
Voltage	5V DC
Channels	8
Isolation	Field-to-logic
Scan Time	1 ms
PLC Family	PLC-5

Common applications

High-speed machinery

Packaging automation

Material handling

Motion control feedback

Assembly lines

Process monitoring

Compatible systems

PLC-5 family chassis 1771 I/O racks

Also known as

AB 1771-IS Allen-Bradley PLC-5 Input

Replaces / compatible with

The 1771-IS is a specific input module for the Allen-Bradley PLC-5 system and is not typically a direct replacement for modules in other families without system changes.

Technical note

Expert tip

This module requires a 1771-WC wiring center for proper connection to field devices.

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Frequently asked questions

What is the scan time for the Allen Bradley 1771-IS Input Module?

The Allen Bradley 1771-IS Input Module has a scan time of 1 millisecond (ms). This fast response rate makes it suitable for applications that require the detection of high-speed digital signals.