• Allen-Bradley 1756-A7
  • Allen-Bradley 1756-A7
  • Allen-Bradley 1756-A7
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Allen-Bradley 1756-A7 ControlLogix 7-Slot Chassis

Allen-Bradley 1756-A7 ControlLogix 7-Slot Chassis

Description

The Allen-Bradley 1756-A7 is a 7-slot chassis designed for the ControlLogix platform. This chassis provides the mechanical and electrical backplane necessary for housing and interconnecting ControlLogix modules, including controllers, communication...

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Availability: Low stock: 2 left

SKU: 1756-A7
Vendor: Allen-Bradley
Category: PLC Chassis
Related Series:

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  • Guarantee: 30-day return window for in-stock, factory-sealed products.
  • Condition: Items must be unopened, unused, and in original packaging.
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Authenticity & Warranty

  • Genuine Guarantee: We supply only 100% original, brand-new, and factory-sealed industrial automation parts.
  • Full Coverage: Every component is backed by a 12-month comprehensive warranty from the date of purchase.
  • Traceability: All products come with original factory documentation and accessories for full industrial compliance.

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  • Expert Assistance: Our technical team provides free consultation to help you verify compatibility for DCS and PLC systems.
  • Rare Part Sourcing: Specializing in obsolete and hard-to-find components from Allen-Bradley, Siemens, ABB, HIMA, and more.
  • Bulk Inquiries: Contact us at pambo@5gplc.com for volume pricing or customized project quotes.
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Description

The Allen-Bradley 1756-A7 is a 7-slot chassis designed for the ControlLogix platform. This chassis provides the mechanical and electrical backplane necessary for housing and interconnecting ControlLogix modules, including controllers, communication interfaces, and I/O modules. It is engineered for industrial environments, ensuring reliable communication and power distribution across the backplane.

Features

  • Supports up to 7 ControlLogix modules in a single rack assembly.
  • Robust mechanical design for panel mounting in industrial control cabinets.
  • Optimized for high-speed data transfer between modules via the ControlLogix backplane.
  • Integrated power distribution to support various module power requirements.

Technical Specifications

Model 1756-A7
Slot Capacity 7 Slots
Max Power Dissipation 5 W
Operating Temperature 0 to 60 degC (32 to 140 degF)
Storage Temperature -40 to +85 degC (-40 to +185 degF)
Relative Humidity 5 to 95% noncondensing
Backplane Current (1.2V DC) 1.5 A
Backplane Current (3.3V DC) 4 A
Backplane Current (5.1V DC) 15 A (Total) / 6 A (Per Slot)
Backplane Current (24V DC) 2.8 A

Installation Guidelines

  • Ensure the chassis is mounted on a flat, rigid surface within a suitable industrial enclosure.
  • Maintain adequate clearance around the chassis to allow for proper airflow and cooling, as the maximum operating temperature is 60 degC.
  • Verify that the chassis is properly grounded to the enclosure backplane to minimize electromagnetic interference (EMI).
  • Power down the system before inserting or removing any ControlLogix modules to prevent electrical damage to the backplane connectors.
  • Ensure all modules are fully seated and secured with their respective mounting screws to maintain reliable backplane contact.

FAQ

Can I use this chassis with any ControlLogix module?
Yes, the 1756-A7 is compatible with all standard ControlLogix series modules that fit the 1756 form factor.

Does this chassis include a power supply?
No, the 1756-A7 is a passive backplane chassis. A separate ControlLogix power supply module must be installed to provide power to the backplane.