Fiber optic - serial converter
SIEMENS Smart Grid
The 7SG24 can be used to provide a single point of communication with a number of relays within fibre optic systems having loop connected or star connected topology. 7SG24 variants can also be used as an interface between relay(s) and a substation control system.
Front RS232 socket
7SG241 available with up to 30 channels
Light off (fault tolerant) or light-on (fault fail) mode