Electrical Design Guide
‑39‑
Table 2–14 Wiring requirements
No.
Wiring requirements
1
Place the control unit and the drive unit in two separate control
cabinets.
2
If multiple control cabinets are used, connect the control cabinets by
using a PE cable with a cross‑sectional area of at least 16 mm
2
for
equipotentiality between the control cabinets.
3
If only one control cabinet is used, place different devices in different
compartments of the control cabinet based on signal intensity.
4
Apply equipotential bonding to devices in different compartments
inside the control cabinet.
5
Shield all communication and signal cables drawn from the control
cabinet.
6
Place the power input filter in a position near the input interface of the
control cabinet.
7
Apply spray coating to each grounding point in the control cabinet.
Figure 2‑11 Recommended wiring for the control cabinet system
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