The Siemens 6ES7241-1CH30-1XB0 is a compact and reliable RS485 communication board designed for the SIMATIC S7-1200 controller range. Known as CB 1241, this board offers versatile communication with support for Freeport, ASCII, Modbus RTU and USS protocols, making it ideal for industrial automation environments where robust data exchange is essential.

With a terminal block design, 6ES7241-1CH30-1XB0 board ensures seamless integration into existing S7-1200 controller setups. Its diagnostic features and flexible configuration options make it suitable for complex applications requiring reliable serial communication. Up to 1000 meters of cable length is supported, enabling extended range communication between controllers and devices.