Allen-Bradley 1756-A4 ControlLogix 4-Slot Chassis

Availability: 4 left in stock

Description The Allen-Bradley 1756-A4 is a compact 4-slot chassis designed for the ControlLogix automation system. This backplane provides the physical...

SKU: 1756-A4

Manufacturer: Allen-Bradley
Product No.: 1756-A4
Product Type: PLC Chassis
Product Origin: USA
Payment:T/T, Western Union
Weight: 1050g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The Allen-Bradley 1756-A4 is a compact 4-slot chassis designed for the ControlLogix automation system. This backplane provides the physical mounting and electrical communication interface for ControlLogix modules, including processors, I/O modules, and communication adapters. It serves as the backbone for small-scale control applications, enabling seamless integration of distributed control components within a single, robust enclosure.

Features

Supports up to 4 ControlLogix modules in a single horizontal configuration.
Optimized for high-speed data exchange via the ControlLogix backplane.
Robust mechanical construction for industrial control panel mounting.
Standardized slot spacing for easy module insertion and removal.
Compatible with a wide range of 1756 series I/O, motion, and controller modules.

Technical Specifications

Catalog Number	1756-A4
Number of Slots	4
Mounting Type	Horizontal
Backplane Current (5V DC)	10 Amps
Backplane Current (24V DC)	2.8 Amps
Power Dissipation (Max)	4 Watts
Enclosure Type	Open

Installation Guidelines

Ensure the chassis is mounted on a flat, rigid surface within an appropriate industrial enclosure to protect against environmental contaminants.
Maintain adequate clearance around the chassis to facilitate proper airflow and prevent overheating of the installed modules.
Verify that the chassis is properly grounded to the enclosure backplane to minimize electromagnetic interference (EMI).
Always power down the system before installing or removing modules from the chassis slots to prevent electrical damage.
Use caution when handling components to avoid electrostatic discharge (ESD) damage to sensitive backplane circuitry.

FAQ

Is the 1756-A4 compatible with all ControlLogix modules?

Yes, the 1756-A4 is designed to house any standard 1756 ControlLogix module, including processors, communication modules, and I/O cards, provided the total power consumption does not exceed the backplane's current capacity.

Can this chassis be mounted vertically?

The 1756-A4 is primarily designed for horizontal mounting. Consult the official Allen-Bradley installation manual for your specific series if vertical orientation is required, as derating or specific cooling requirements may apply.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

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Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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Engineering Lead, Germany

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We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.