ABB ACS 600 Hardware Manual page 35

Frequency converters 55 to 630 kw (75 to 700 hp)
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Stripped cable
ACS/ACC/ACP 604/607 Frequency Converters
b. If the outer surface of the screen is covered with non-conductive
material (figure below)
the screen turned visible
Cable screen
- Cut the screen in the middle of the bare part. Be careful not to
cut the conductors.
- Turn the conductive surface of the screen visible.
- Cover the turned screen and the stripped cable with copper foil
to keep the shielding continuous. Note: The earthing wire (if
present) must not be cut.
- Push the two parts of the lead-through plate together such that
the EMI conductive cushions press tightly round the screen.
5. Lock the two parts of the lead-through plate by tightening the
position screws .
6. Connect the control cables in appropriate terminal to NIOC/NIOCP
board (or optional terminal block X2/2TB, or other options on the
DIN rail). Refer to Appendix A and Firmware Manual . Tighten
screw to secure connection. Connect the twisted screen (as short
as possible) to the earthing rail
7. Close the cabinet door if no other cables are to be connected.
Conductive surface of
Copper foil
Screened twisted pair
Earthing wire
Chapter 3 – Electrical Installation
Stripped part covered
with copper foil
of the terminal.
3-11

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