SIEMENS » 6AG1800-4AD50-4AA0
SIPLUS ST7, TIM 4R D WITH CONFORMAL COATING BASED ON 6NH7800-4AD50 . COMMUNICATION MODULE FOR SIMATIC S7-300, S7-400, C7, PC; WITH TWO RS232/RS485- INTERFACES FOR SINAUT- COMMUNICATION VIA CLASSIC WAN NETWORKS; WITH MPI INTERFACE; WITH DCF77 RADIO CLOCK RECEIVER INCL. INTERFACE-ADAPTER- CABLE 6NH7700-0AS05; INCL. DCF77 ADAPTER-CABLE 6NH7700-0AD15 ,