Technical specifications
7.5 Hardware descriptions
SIMATIC IPC227G
80 Operating Instructions, 07/2022, A5E50059933-AC
Pin assignment RS232
Pin assignment RS422
Transmit data - (O) for full-duplex mode
Transmit data + (O) for full-duplex mode
Receive data + (I) for full-duplex mode
Receive data - (I) for full-duplex mode
Pin assignment RS485
Transmit / receive data - (I/O) for half-duplex mode
Transmit / receive data+ (I/O) for half-duplex mode