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SKU:1756-PLS
Allen-Bradley 1756-PLS | Programmable Limit Switch Module
Manufacturer: Allen-Bradley
Product No.: 1756-PLS
Product Type: Switch Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 1090g
Shipping port: Xiamen
Warranty: 12 months
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Description
Allen-Bradley 1756-PLS Programmable Limit Switch Module
The Allen-Bradley 1756-PLS is a programmable limit switch module for ControlLogix systems. This Rockwell Automation module replaces mechanical limit switches with digital precision and reliability.
Core Technical Specifications
- Brand & Manufacturer: Allen-Bradley / Rockwell Automation
- Model: 1756-PLS
- Module Type: Programmable Limit Switch
- Digital Inputs: 16 channels (10-31.2V DC)
- Digital Outputs: 16 channels (10-31.2V DC, 1A max)
- I/O Grouping: 4 groups of 4 channels each
- Backplane Power: 1000mA @ 5V, 125mA @ 24V
- Operating Temperature: 0-60°C (32-140°F)
Physical Specifications
- Dimensions: 5.51" × 4.41" × 5.71" (140 × 112 × 145 mm)
- Weight: 1.09 kg (2.4 lbs)
- Width: 5.51 inches (140 mm)
- Height: 4.41 inches (112 mm)
- Depth: 5.71 inches (145 mm)
- Chassis Slots: Requires 3 contiguous slots
- Terminal Blocks: 3 removable blocks (RTBs)
Installation Requirements
- Slot Requirement: 3 contiguous chassis slots needed
- Power Safety: Do not hot-swap while system is powered
- Ventilation: Maintain proper air flow around module
- Terminal Blocks: Use recommended 1756 series terminal blocks
- Mounting: Secure installation in ControlLogix chassis
Package & Shipping
- One (1) Allen-Bradley 1756-PLS module
- Installation documentation and configuration guide
- Protective packaging for safe transportation
- Worldwide shipping via FedEx, UPS, or DHL
- Immediate shipment from available stock
Frequently Asked Questions (FAQ)
What is the main advantage over mechanical limit switches?
- The 1756-PLS eliminates mechanical wear and adjustment requirements. It provides precise digital control without physical contact, reducing maintenance and improving reliability.
How much does this module weigh?
- The 1756-PLS module weighs 1.09 kg (2.4 lbs). This weight includes the module body and internal components designed for industrial durability.
What terminal blocks are compatible with this module?
- This module is compatible with Allen-Bradley 1756-TBSH and 1756-TBNH removable terminal blocks, which are sold separately for wiring connections.
Additional Specifications
- Black
Scalar (V/f)
Vector
AC-powered
Buying Guide
- Confirm the exact model, part number, and specifications before ordering.
- Ensure compatibility with your current machinery or control systems.
- Reach out via sale@etowonauto.com or +8617859788089 for technical assistance.
- Review delivery options, lead times, and shipping requirements.
- Follow manufacturer instructions and best practices during installation.
Shipping And Return
In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.
Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.
For more details, please review our Shipping & Return Policy.

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Bought a 1756-PLS programmable limit switch module for a press control application. It arrived in original Allen-Bradley packaging, unopened. Pricing was reasonable and it shipped without delay. Configured it in the chassis, and the limit outputs triggered correctly during testing. No issues to report.
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