42 
3.2.3  Schematic diagram of control board 
 
Fig. 3-26    Schematic diagram of control board 
3.3 Installation method for EMC requirements   
Because of the working principle of the drive, it is unavoidable to produce certain noise and cause EMC 
problems. To reduce the interference of the drive to the external world, the installation method will be detailed 
in this section for field installation reference, including the noise suppression, field wiring, grounding, leakage 
current, use of power filter etc.