The TM5SBET7 is a transmitter electronic module from the Modicon TM5 range, designed to act as a bridge between IP20 and IP67 I/O systems . Its primary function is to extend a Modicon TM5 PLC system by transmitting the TM7 data bus and providing TM7 power bus to remote TM7 expansion I/O blocks, which are typically IP67-rated for on-machine mounting