***spare part*** SINAMICS G120 Control Unit CU230P-2 HVAC USS/MODBUS RTU/BACnet MS/TP 6 DI, 3 DQ, 4 AI, 2 AQ 1 motor temperature sensor input 2 PSU-out (10 V DC, 24 V DC) 1 PSU-in (24 V DC) USB and MMC interface degree of protection IP20