Siemens SIMATIC PLC 6AG1972-0AA02-7XA0 SIPLUS DP RS485 REPEATER    -25 ... +70 DEGREES C    WITH CONFORMAL COATING    BASED ON 6ES7972-0AA02-0XA0    .    FOR THE CONNECTION OF PROFIBUS/    MPI    BUS SYSTEMS WITH MAX. 31 NODES;    MAX. 12 MBIT/S, DEGREE OF PRO-    TECTION IP20 6AG19720AA027XA0