... is made of special frequency inverter and micro controller for elevator, Features, control cabinet :1) Combined with MICOVERT2003 frequency inverter2) Used with ... with open loop5) Modulate frequency: 6kHz, 8kHz, 10kHz and 16kHz for select6) Less noise7) CAN serial communicate system, adopted with DSP ... , it offers customers ideal controlways and easy installation passenger elevator control cabinet MC