CNC 2.2kw 2200w 110v 3hp Variable Frequency Drive Inverter VFD for Spindle Motor Speed Control Easy PLC function can realize 16 legs of speed and inverter control function RS485 communication port, adopting standard international MODBUS main circuit control Carrier adjustable by 16KHZ, completely soundless working environment Various control technique by both synchronization and non-synchronization Auto voltage regulation (AVR) technique, for ensuring the inverter load capability