MicroLogix 1400 Programmable Controllers — User Manual
Hardware overview, installation, wiring, and specifications for the Allen-Bradley MicroLogix 1400 family (Bulletin 1766) and the 1762 expansion I/O it supports. All six 1766-L32 catalog numbers carry 32 discrete I/O plus three comm ports (isolated RS-232/RS-485 combo, 10/100 Ethernet, and non-isolated RS-232); “AA” / “BA” variants add 4 analog inputs and 2 analog outputs.