YASKAWA LA500 Manual De Instrucciones página 34

1 English
4.
Ground the wire shielding on the drive side and motor side.
A - Drive
B - Maximum wiring length
C - Motor
Keep the wire as short as possible. The maximum wiring length between the drive and motor
*1
is:
Models 2xxxE, 4xxxE: 20 m (65.6 ft)
5.
Use a cable clamp to ground the motor cable to the metal plate.
Note:
Make sure that the protective ground wire complies with technical specifications or local safety standards.
6.
Connect an AC reactor or DC reactor to decrease harmonic distortion.
■
Enable the Internal EMC Filter
On drives with built-in EMC filters (models 2xxxE, 4xxxE), move the screw or screws to turn
ON and OFF (enable and disable) the EMC filter.
Make sure that the symmetric grounding network is applied, and install the screw or screws in
the ON position to enable the built-in EMC filter in compliance with the EMC Directive. The
EMC filter switch screw or screws are installed in the OFF position by default.
WARNING
Electrical Shock Hazard. Disconnect all power to the drive, wait for the time specified on
the warning label, and check the drive for dangerous voltages before you remove covers or touch EMC filter
screws. If you touch the screws when there are dangerous voltages, it will cause serious injury or death.
WARNING
Electrical Shock Hazard. Do not remove covers or touch circuit boards while the drive is
energized. If you touch the internal components of an energized drive, it can cause serious injury or death.
WARNING
Electrical Shock Hazard. Ground the neutral point on the power supply of drives with built-
in EMC filter (models 2xxxE, 4xxxE) to comply with the EMC Directive before you turn on the EMC filter or if there
is high resistance grounding. If you turn ON the EMC filter, but you do not ground the neutral point, it can cause
serious injury or death.
WARNING
Electrical Shock Hazard. Connect the ground cable correctly. If you touch electrical
equipment that is not grounded, it can cause serious injury or death.
NOTICE
To disable the internal EMC filter, move the screws from ON to OFF and then tighten to the
specified torque. If you fully remove the screws or tighten the screws to an incorrect torque, it can cause drive
failure.
NOTICE
Move the EMC switch screw or screws to the OFF position for networks that are not
symmetrically grounded. If the screws are not in the correct position, it can cause damage to the drive.
34
*1
Figure 1.10 Wiring the Drive and Motor
YASKAWA TOMPYEULA5001C LA500 Installation and Operation Instructions
D - Metal conduit
E - Grounding wire