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be reliably grounded. It is prohibited to use the single-core cable as the grounding cable. The
grounding resistance must be less than 5. The grounding terminal must be exclusively used
for grounding. Do not share the grounding terminal and neutral line of the mains supply.
The configuration of the braking resistor shall be conducted according to the parameters
provided in the documents of our company. The wiring distance shall be less than 5m. The
MD300A inverter has built-in braking unit, and the external braking resistor shall be connected
to the (+) terminal or PB terminal.
3) The following figures are commonly used wiring schemes:
Braking resistor
Single
-
phase input
power supply
Braking resistor
Single
-
phase input
power supply
Fig.3-1 Wiring mode with analog input port
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