5.2 European Standards
182 YASKAWA SIEPC71061753C GA500 Technical Manual
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.
Figure 5.7 Symmetric Grounding
NOTICE: Damage to Equipment. When you use the drive with a non-grounding, high-resistance grounding, or asymmetric-
grounding network, put the EMC Filter screw or screws in the OFF position to disable the built-in EMC filter. If you do not disable
the built-in EMC filter, it will cause damage to the drive.
Table 5.9 shows asymmetric grounding networks.
Table 5.9 Asymmetric Grounding
Type of Grounding Diagram
Grounded at the corner of the delta connection
Grounded at the middle of the side
Single-phase, grounded at the end point
Three-phase variable transformer without solidly grounded neutral
Table 5.10 EMC Filter Switch Location
Model Switch Location Diagram
B001E - B004E
2001E - 2006E
Figure 5.8
B006E - B012E
2008E - 2021E
4001E - 4012E
Figure 5.9
2030E - 2082E
4018E - 4060E
Figure 5.10
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