Allen Bradley 1756-PLS ControlLogix Programmable Limit Switch Module

Overview

The Allen Bradley 1756-PLS is a ControlLogix programmable limit switch module designed to provide precise position-based switching control within industrial automation systems. It is commonly used in motion control and high-speed sequencing applications where accurate timing and position feedback are required.

General Information

Part Number: 1756-PLS

Manufacturer: Allen Bradley

Brand / Country of Origin: Allen Bradley / United States

Series: ControlLogix

Type: Programmable Limit Switch Module

Mounting: Chassis-mounted installation

Application: Position-based switching and motion control coordination

Technology: High-speed digital control with configurable limit switch logic

Power Specifications

Input Voltage: 5 V DC (backplane powered)

Power Consumption: Low power backplane load

Output Type: Digital logic control signals (via system backplane)

Protection Features: Internal fault protection and isolation

Status Indicators: LED indicators for module status and channel activity

Communication & Interface

Interface Type: ControlLogix backplane communication

System Compatibility: ControlLogix chassis systems

Function: Generates programmable on/off outputs based on position feedback

Signal Processing: High-speed position-based switching logic

Diagnostics: Module status, fault detection, and channel monitoring

Configuration Requirements: Software-based configuration via ControlLogix system tools

Environmental

Operating Temperature: 0 to +60 °C

Storage Temperature: −40 to +85 °C

Relative Humidity: 5–95% RH, non-condensing

Vibration Resistance: Industrial-rated for continuous operation

Protection Rating: IP20 when installed in ControlLogix chassis

Dimensions & Weight

Dimensions (L × W × H): 180 × 50 × 160 mm

Weight: 0.89 kg

Precision Control for High-Speed Automation!