Siemens SIMATIC PLC 6AG1541-1AB00-7AB0 SIPLUS S7-1500 CM PTP RS422/485    -40 ... +70 DEGREES C    WITH CONFORMASL COATING    BASED ON 6ES7541-1AB00-0AB0    .    COMMUNICATION MODUL FOR    SERIAL CONNECTION RS422, RS485,    FREEPORT, 3964(R), USS,    MODBUS RTU MASTER, SLAVE,    115200 KBIT/S,    15-PIN SUB-D FEMALE CONNECTOR 6AG15411AB007AB0