The Siemens 6GK1503-3CB00 is an Optical Link Module from the SIMATIC NET product line. It serves as a communication interface between the PLC or other devices and the optical network infrastructure.

The 6GK1503-3CB00 module supports various communication standards, including PROFIBUS DP and MPI, allowing for high-speed data transmission over optical fiber networks. It is equipped with two optical ports that operate at a wavelength of 660 nm.

With the Optical Link Module, you can extend the distance and improve the noise immunity of your network communication. It enables reliable and secure data transmission, making it suitable for applications in harsh industrial environments.