Allen Bradley 1764-MM1 Ser A MicroLogix 1500 Memory for 1764-LRP or 1764-LSP CPU
Allen Bradley MicroLogix 1500 1764-MMI A/A 1764MMI Date Varies. Surplus Unit Working Used 1764-MM1 Ser A Rev A 1764MM1 1764-MM1/A. While many Allen Bradley / Rockwell Automation products will have firmware already installed, we makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application or not.