6SE7031-7HG84-1JA0
SIEMENS SIMOVERT MASTERDRIVES POWER SUPPLY UNIT PSU1 FOR UNITS OF DESIGN E TO H 3-PH. 380-460 AC. 660-690 V, 50/60 HZ AND 510-620 V DC, 890-930V DC
6SE7090-0XX84-0BD1
SIEMENS SIMOVERT MASTERDRIVES SER. INTERFACE MOD. SCB2 FOR PEER TO PEER OR USS PROTOCOL; MAX. BAUD RATE 187.5 KBIT/S FOR RS485-INTERFACE