X20BB77 Bus Base Module Data Sheet

This document is a data sheet for the X20BB77 bus base module, which serves as a base for X20 Compact-S PLCs and power supply modules, featuring integrated RS232 and CAN bus interfaces and two slots for X20 interface modules. It includes ordering information, module description, and details on included components such as end cover plates and an integrated terminating resistor for the CAN bus.