BC9050
The BC9050 from Beckhoff offers 48 kB of program memory and 32 kB of data memory. Part of the BC Bus Terminals series, this controller supports IEC 61131-3 programming languages and offers 512-byte fieldbus input/output.
It features online change capability and a PLC cycle time of ~1.5 ms, and can manage up to 64 standard bus terminals. It supports TwinCAT ADS and Modbus TCP communication at 10/100 Mbit/s.