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 1771-HMA is a durable CMOS memory cartridge designed for the IMC 120 systems, offering a memory capacity of 96 KB and reinforced by a 3.6 Volts DC lithium-ion battery with a 1700 mAh current for reliable backup power. This cartridge reliably stores MML programs and AMP parameters, featuring a 3-pin connector and operational assurances within temperatures ranging from 0 to 60 degrees Celsius in humidity levels between 5 and 95% without condensation. Equipped with MARINE certification and a lifespan of up to 10 years, this memory module also includes essential indicators, such as a red system LED for failure alerts, and emphasizes the need for proper handling to prevent damage from electrostatic discharge.