* Built-in shuttle knop to adjust output frequency easily
* Built-in RS-485 communication interface 
* Support MODBUS and Shihlin communication protocol 
* Built-in proportion linkage control function to support multi inverters connection 
* Maximum 650Hz frequency output enable to support special and high-speed motors. 
* Support DIN rail mount 
* The resolution of frequency setting: digital 0.01Hz ; analog 1/1000 
* The accuracy of output frequency: 0.01% 
* Multi-function input/output terminals 
* Support 2 analog setting types. 0-10V and 4-20mA