Allen-Bradley 1756-A4 ControlLogix Chassis
ControlLogix chassis, 4 slots, horizontal mounting, open-style enclosure, 1.5 A backplane current at 1.2V DC, 15 A at 5.1V DC
Lifecycle Status: Active
Description
The Allen-Bradley 1756-A4 ControlLogix chassis is a 4-slot chassis for modular ControlLogix control system architectures. It provides the backplane communication path and power distribution for installed modules in machine control and process automation applications.
- ControlLogix chassis, 4 slots
- Horizontal mounting only
- Open-style enclosure
- Backplane current: 1.5 A at 1.2V DC
- Backplane current: 4 A at 3.3V DC, 4 A per slot
- Backplane current: 15 A at 5.1V DC, 6 A per slot
- Backplane current: 2.8 A at 24V DC, 2.8 A per slot
- Maximum power dissipation: 4 W
- Minimum cabinet size: 50.8 x 50.8 x 20.3 cm (20 x 20 x 8 in.)
- Approximate weight: 0.75 kg (1.7 lb)
- Panel location installation
This chassis is used as the physical platform for ControlLogix modules, allowing flexible slot placement within a centralized industrial automation system. It is suited for control panels where modular I/O, communication, and controller components are combined in a common backplane.