Allen‑Bradley 1756‑A7 ControlLogix 7‑Slot Chassis

The Allen‑Bradley 1756‑A7 is a 7‑slot ControlLogix chassis designed for housing PLC controllers, communication modules, I/O modules, and power supplies in a single rack. It provides backplane communication and power distribution for ControlLogix system components in industrial automation environments. Used in ControlLogix automation systems with PLC, I/O, HMI, and industrial network components.

Applications:

• Centralized ControlLogix system rack

• Industrial control panel integration

• Factory automation chassis assembly

• Process control system cabinet mounting

• Modular PLC system expansion

Technical Specifications:

• Slots: 7 (universal, any module type)

• Backplane: ControlLogix X‑bus

• Power supply: External (1756‑PA72 or 1756‑PB72)

• Mounting: Panel or DIN rail (optional adapter)

• Dimensions: 4.84 × 7.14 × 7.00 in (123 × 181 × 178 mm)

• Operating temperature: 0°C to 60°C

• Protection rating: IP20 (open‑style)

System Integration:

Compatible with ControlLogix 1756 series modules. Supports integration with 1756‑L83E controllers, 1756‑EN2TR Ethernet modules, 1756‑IB32/OB32 I/O modules, and 1756‑PA72 power supply.

Related Products:

• Controller: 1756‑L83E ControlLogix

• Power Supply: 1756‑PA72 AC Power Supply

• Ethernet Module: 1756‑EN2TR EtherNet/IP

• Digital Input: 1756‑IB32 Digital Input Module

• Digital Output: 1756‑OB32 Digital Output Module

PLC ERA is an independent industrial automation distributor. Products are sourced from established supply channels and inspected before shipment. International shipping available.