3 Electrical Installation
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Figure 3-9 Requirements on shielded power cables
3.4.4 Connection of Shielded Power Cables
The input/output shielded power cable and shield inside the power unit must be in
large-area contact with the shield plate in the cabinet to achieve good EMC eect. The
following gure shows the connection diagram.
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Figure 3-10 Connection of shielded power cables
3.5 Wring of the AC Drive
Preparation:
■
Power o the device that will be installed in the cabinet.
■
Take all the necessary safety measures at the installation location.
■
Observe the "ve safety rules".
3.5.1 Standard Wiring Diagram
AC drives in structures T2 to T9 are connected to the HCU-51 control module
through high-speed RS422 communication cables. AC drives in structures T10 to