Function feauture:
Frequency  setting  modeDigital, Analog, Serial  Communication, Multi-Step Speed , PID etc.
PID control function
Multi-step Speed Control function 8 steps speed control .
Energy saving running mode .

Siemens model
When the power failed, the system can bypass the fault and continue running.
Rotate speed trace and regenerate function
Assembled shortcut key function .
Menu of copy function
When the system failed, it can bypass the fault and continue running.
Timing voltage adjusted functionwhen power supply voltage fluctuate ,it can keep the output voltage constant
Offer the full fault protection function.
Main application industry:
transportation machine,food machine, enginery equipment in public, printing and weaving machine,flow machine
Typical Applicationfurnace lead wind pump,, blower, lead wind fan pump below mine, feedwater pump in oil field, oil pump, circle water pump, supply water pump,constant pressure  supply water system, center air condition energy saving rebuild, air compressorenergy saving rebuild,musiv fountain.