S7-300 6ES7341-1CH02-0AE0 CP341 interfaz RS422/485 S7-1500 6ES7541-1AB00-0AB0 S7-1500, CM PTP RS422/485 HF S7-1200 6ES7241-1CH32-0XB0 S7-1200 CM 1241 RS422/485
