SINAMICS G120 Control Unit CU230P-2 HVAC — a control unit for variable frequency drives manufactured by Siemens, designed primarily for heating, ventilation, and air conditioning (HVAC) systems. It integrates via USS, MODBUS RTU, and BACnet MS/TP communication protocols and features 6 digital inputs (DI), 3 digital outputs (DO), 4 analog inputs (AI), 2 analog outputs (AO), 1 motor temperature sensor input, 2 power supply outputs (10 V DC, 24 V DC), and 1 power supply input (24 V DC). It is equipped with USB and MMC interfaces. The degree of protection is IP20. The net weight is 0.610 kg, with packaging dimensions of 100×215×100 mm. Country of origin — Great Britain. This control unit provides high efficiency and flexibility for controlling HVAC systems, pumps, and fans.