Allen Bradley 1756-A7 ControlLogix 7 Slot Chassis

The AB 1756-A7 is a 7-slot ControlLogix chassis designed for housing ControlLogix series modules, enabling scalable, high-performance control system configurations. It provides mechanical support and electrical backplane connectivity for standard, safety, motion, and communication modules.

This chassis is ideal for industrial applications requiring flexibility and reliability in medium to large automation systems, offering seamless integration with Allen Bradley 1756 series controllers and modules.

Technical Specifications

Model: 1756A7
Series: ControlLogix
Type: Modular I/O Chassis
Number of Slots: 7
Backplane Type: ControlLogix backplane bus
Mounting Orientation: Horizontal
Compatible Modules: 1756 I/O, communication, motion, power supply, and controller modules
Integrated Power Supply: No – requires separate 1756 power supply module

Electrical Specifications

Power Distribution: Via backplane
Voltage Supply Method: Through dedicated 1756 power supply
Redundancy Support: Yes (with supported redundant power supply and controllers)
Backplane Current Capacity: Depends on installed modules and power supply used
Power Supply Position: Left-most slot

Network & Interface Specifications

Network Interfaces: None – supports networked modules installed in chassis
Protocol Support: Determined by installed communication modules (e.g., EtherNet/IP, ControlNet, DeviceNet)
System Expansion: Supports distributed architectures using remote racks

Mechanical Specifications

Enclosure Type: Open-style for enclosure mounting
Width: 367 mm
Height: 169 mm
Depth: 145 mm
Rack Assembly: Yes
Wall Mounting: Supported
Rail Mounting: Not supported
Form Factor: Backplane modular
Construction: Metal with integrated module guides

Environmental Specifications

Operating Temperature: 0…60 °C
Storage Temperature: –40…85 °C
Relative Humidity: 5% to 95% non-condensing
Vibration Rating: 2 g
Shock Rating: 30 g
Pollution Degree: 2
Protection Class: IP20
Application Suitability: Control cabinets, machine-level automation

Compliance & Certifications

Certifications: CE, UL, c-UL, RoHS
Performance Level: PL e (ISO 13849-1)
Safety Category: Category 4 (EN 954-1)
Standards Met: EN 61131-2, IEC 61010
Use with: ControlLogix controllers, GuardLogix, and all 1756 modules

Key Features & Benefits

✅ 7-Slot Modular Design: Accommodates multiple controllers, I/O, and communication modules in one chassis

✅ High Reliability Backplane: Provides secure high-speed module-to-module communication

✅ Flexible Mounting Options: Supports direct wall mounting for panel integration

✅ Wide Application Use: Supports standard and safety-certified automation environments

✅ Compatible with Entire 1756 Series: Easily integrates with Allen Bradley ControlLogix controllers and system components

📦 Order the Allen Bradley 1756-A7 from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1756-A7 prices. This 7-slot chassis is the backbone of scalable ControlLogix automation systems—available now for rapid UK delivery.

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Drive Outlet Megastore – your trusted source for Allen Bradley ControlLogix systems and industrial automation hardware.