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Connection procedure
￭
WARNING!
Obey the safety instructions of the drive. If you ignore them, injury or death,
or damage to the equipment can occur. If you are not a qualified electrical
professional, do not do installation or maintenance work.
1. Stop the drive and do the steps in section
you start the work.
2. Open the door of the semiconductor DC switch unit. Remove the shrouding at the bottom
if any (option +C121 only).
3. Run the control cables inside the cubicle. Ground the cable shields 360° at the cable
entry. See subsection
entry (page
27).
4. Run the cables to the terminal block [X330] (a) and connect. See section
connection
diagram.
Grounding the outer shields of the control cables at the cabinet entry
￭
Ground the outer shields of all control cables 360 degrees at the EMI conductive cushions
as follows (example constructions are shown below, the actual hardware may vary):
1. Loosen the tightening screws of the EMI conductive cushions and pull the cushions
apart.
2. Cut adequate holes to the rubber grommets in the entry plate and put the cables through
the grommets and the cushions.
3. Strip off the cable plastic sheath above the entry plate just enough to ensure proper
connection of the bare shield and the EMI conductive cushions.
4. Tighten the two tightening screws so that the EMI conductive cushions press tightly
round the bare shield.
Electrical safety precautions (page 24)
Grounding the outer shields of the control cables at the cabinet
Electrical installation 27
before
Default I/O
11
a
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