Overview
Various libraries are available for the Bus Terminal Controllers (Bus Coupler with PLC functionality: BCxxxx) (see Beckhoff Information System).
TwinCAT PLC Library: System BC
The library contains function blocks for access to the Bus Terminal Controller's (BCxxxx) system functions.
TwinCAT PLC Library: Utilities BC
The library contains useful function blocks for the Bus Terminal Controller (BCxxxx). In addition to the RTC blocks, the library contains a function block for decoding the DCF-77 time signal, along with a number of conversion functions. Internally, the Bus Terminal controller's system functions are called.
TwinCAT PLC Library: Helper BC
The PlcHelper.lb6 library contains a number of functions which provide direct access to memory areas in the Bus Terminal Controller's (BCxxxx) PLC runtime system.