Yaskawa Varispeed-656 DC5 System Regen Converter - Manual (Page 18)

VS-656DC5 Enclosure Installation Manual
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5. Grounding
5.1 Connecting the Grounding Bus
When the enclosure in mounted in series with an I/O terminal block or general enclosure,
securely fasten the grounding bus relay (connector or cable) between the ground and the
grounding bus as shown in
Figure 5.1 . Always be sure to connect the grounding bus prior
to power application in order to prevent fire, which may accompany a rise in the ground
voltage due to leakage, etc.
5.2 Connection of Control Signal Ground
Treat the control signal ground as a dedicated type-3 grounding separate from the ground-
ing bus.
Fastening Bolt
(M8 20mm)
Connector Line
Connector to Connector Line
Figure 5.1 Ground Bus Connection Example for Series Connection
2TB
(General Terminal Block)
ES Terminal (2 installations)
UKT-81 (M5)
Terminal Bolt M5
Connector Wire 14mm
2
Max.
Connector Cable
Figure 5.2