Baldor VS1MD User Manual page 26

4.7 Reflected Wave Protection
When more than one motor is connected to one inverter, total wiring length should be
less than 200m (656ft). Do not use a 3-wire cable for long distances. Due to increased
leakage capacitance between wires, over-current protective feature may operate or
equipment connected to the output side may malfunction. In case of long wire length,
lower carrier frequency or contact Baldor for recommendations.
Table 4.4 – Wire Length Recommendations
Length Between Inverter and Motor Allowable Carrier Frequency
Up to 50 meters Less than 15 kHz
Up to 100 meters Less than 5 kHz
More than 100 meters Less than 2.5 kHZ
4-7
Power Wiring