Industrial Automation Co. is NOT an Authorized Rockwell Distributor - we have our own unique inventory and sourcing relationships. Review our Reseller notice, here.

The Allen-Bradley 1756-M16 is a ControlLogix5555 expansion memory board with a capacity of 7.5 MB, specifically designed to be compatible with the Allen-Bradley ControlLogix5555 series of controllers, including models such as the 1756-L55M22 and 1756-L55M24. It serves as a crucial replacement module, ensuring the controllers functionality, provided its paired with the appropriate controller firmware revision. With a single memory board installation allowed per controller, the 1756-M16 operates efficiently within temperatures from 0 to 60 degrees Celsius and can be stored between -40 to 85 degrees Celsius. It is widely recognized for its compliance with CSA, C-Tick, CE, and UR certifications.