Allen Bradley 1756-A4 ControlLogix Chassis 4 Slots

Product Details

The ControlLogix chassis distributes power to all modules via the backplane and enables high-speed data exchange between the processor, I/O modules, and communication adapters . A separate 1756-series power supply must be installed on the left side of the chassis.

Related Product Recommendations

• 1756-A7 – 7-slot chassis for moderate system expansion needs 

• 1756-A10 – 10-slot chassis offering greater capacity for larger control systems 

• 1756-A13 – 13-slot chassis for extensive I/O or communication module requirements 

• 1756-A17 – 17-slot chassis for maximum system expansion in high-density applications 

• 1756-PA72 / 1756-PB72 – Standard power supplies (AC/DC) compatible with the 1756-A4 chassis 

• 1756-PA75 / 1756-PB75 – Higher-capacity power supplies for chassis with higher power demands 

FAQ

1: How many modules can the 1756-A4 accommodate?
The 1756-A4 has four module slots, allowing you to install up to four ControlLogix controllers, I/O modules, or communication modules.

2: Does the 1756-A4 chassis require a separate power supply?
Yes, the 1756-A4 chassis does not include an integrated power supply. A 1756-series power supply module (such as 1756-PA72 or 1756-PB72) must be mounted on the left side of the chassis.

3: Can I mix different types of modules in the same chassis?
Yes, the ControlLogix chassis supports a mix of controllers, digital and analog I/O modules, motion control modules, safety modules, and communication modules in any combination.