FAQ for 1756-L74

Does the 1756-L74 support controller redundancy?

Yes. The 1756-L74 has full support for controller redundancy.

How many slot does the 1756-L74 occupy?

The 1756-L74 only occupies single chassis slot.

Does the controller utilizes battery for retaining the contents of the RAM?

No. The 1756-L74 utilizes energy storage module which are capacitor based rather than batteries.

Technical Description of 1756-L74

Allen Bradley ControlLogix Processor Module with 0.98 MB I-O Memory and 16 MB User Memory