Allen-Bradley 1766-L32BXBA MicroLogix 1400 Controller By wayne No Comments on Allen-Bradley 1766-L32BXBA MicroLogix 1400 Controller 3 Min Read Procure the Allen-Bradley 1766-L32BXBA MicroLogix 1400 PLC today. This model features 32 I/O, 20 KB memory, and multi-protocol Ethernet support.