Description

The SIMATIC S7-1200 communication board CB 1231 – 6ES7241 – 1CH30-1XB0 from Siemens, with integrated protocol drivers Freeport, ASCII, Modbus, Modbus RTU Master/Slave and USS, offers an affordable expansion of your S7-1200-CPU without requiring additional space. The CB 1241 – 6ES7241-1CH30-1XB0 communications board is simply stuck on the CPU front.