Siemens 6AG1137-6AA00-2BA0 SIPLUS ET 200SP -40 ... +60 GRAD C STARTUP TEMP.: -25 DEGREE C WITH CONFORMAL COATING BASEDON 6ES7137-6AA00-0BA0 . CM PTP CM PTP COMMUNICATION MODUL FOR SERIAL CONNECTION RS422, RS485 AND RS232, FREEPORT, 3964(R), USS, MODBUS RT