3. Electrical Installation MD500 User Manual
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3.4 Wiring Checklist
Ĵ No. Item
ƒ 1 Check the received drive to ensure that you receive a correct model .
ƒ 2 Make sure the correct peripheral devices (regen resistor, braking
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ƒ 3 Check the optional cards to ensure that the receiving is correct.
ƒ 4 Check that the mounting method and location meet the requirements.
ƒ 5 Check that the input voltage of the drive is between 323 and 528 V.
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ƒ 7 Connect the power supply to the R, S, T terminals of the drive properly.
ƒ 8 Connect the motor input cables to the U, V, W terminals of the drive properly.
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ƒ 10 Decrease F0-15 (carrier frequenency) if the motor output cables exceed 50 m.
ƒ 11 Ground the AC drive properly.
ƒ 12 Check that the output terminals and control signal terminals are connected securely and reliably.
ƒ 13 Check whether two motors are driven. If yes, consider whether to add a thermal relay.
ƒ 14 When using regen resistor and braking unit, check whether they are
wired properly and whether the resistance value is proper.
ƒ 15 Check whether inter-phase capacitance is connected and whether the power supply to
the AC drive can be cut off via the overload protection function of the resistor.
ƒ 16 Use STP wires as signal lines.
ƒ 17 Connect the optional cards correctly.
ƒ 18 Ensure to run control cables and power cables separately.
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