Allen-Bradley 1756-A4 | 4-Slot ControlLogix Chassis
Overview
The Allen-Bradley 1756-A4 ControlLogix chassis provides the physical framework and backplane connections for ControlLogix system modules. This 4-slot chassis is designed for horizontal-only, back-panel mounting and supports a variety of ControlLogix power supplies, making it ideal for compact industrial automation applications.
The 1756-A4 chassis ensures efficient power distribution, module connectivity, and data communication, supporting up to four ControlLogix I/O, communication, or specialty modules. It also requires slot filler modules (1756-N2) to cover unused slots.
Key Features
- 4-Slot ControlLogix Chassis â Supports up to four modules for compact system configurations
- Horizontal Back-Panel Mounting Only â Ensures secure and stable installation
- Compatible with Multiple Power Supplies:
- 1756-PA72, 1756-PB72, 1756-PA75, 1756-PB75, 1756-PC75, 1756-PH75
- Integrated ControlLogix Backplane â Provides reliable communication and power distribution
- Slot Filler Modules Required (1756-N2) â Must be used to cover empty slots for safety
- Compact and Lightweight Design â Ideal for small control system installations
Technical Specifications
- Model: 1756-A4
- Series: ControlLogix
- Number of Slots: 4
- Backplane Current (Chassis/Slot Max):
- @ 1.2V DC: 1.5 A / 1.5 A
- @ 3.3V DC: 4 A / 4 A
- @ 5.1V DC: 15 A / 6 A
- @ 24V DC: 2.8 A / 2.8 A
- Power Dissipation: 6.1 BTU/hr
- Power Consumption: 1.8 W
- Dimensions (WxHxD): 263 x 169 x 145 mm (10.35 x 6.65 x 5.71 in.)
- Minimum Cabinet Size (WxHxD): 507 x 507 x 203 mm (20 x 20 x 8 in.)
- Weight: 0.75 kg (1.7 lb)
Applications
- Industrial Automation Systems â Supports ControlLogix controllers and I/O modules
- Factory Process Control â Provides a reliable backplane for automation solutions
- Compact Control Panel Installations â Ideal for small-scale ControlLogix system setups
- High-Performance Machine Control â Enables precise and efficient process automation
Why Choose the Allen-Bradley 1756-A4?
- Compact and Efficient Chassis Design â Ideal for small ControlLogix installations
- Reliable Module Connectivity â Ensures seamless data and power distribution
- Flexible Power Supply Compatibility â Supports multiple ControlLogix power options
- Durable and Sturdy Construction â Built for industrial environments
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