360-degree grounding is recommended if shielded cable is used. Ground the other end of the input cable
shield or PE conductor at the distribution board.
2
360-degree grounding is required
3
Line contactor
4
Drive module
5
Switch-disconnector and separate fuses or switch fuse, see
Selecting the main supply disconnecting
6
Use a separate grounding cable if the shield does not meet the requirements of IEC 61439-1 and there
is no symmetrically constructed grounding conductor in the cable, see
7
External brake resistor (optional, see
8
Common mode filter
9
Note:
If there is a symmetrically constructed grounding conductor in the motor cable in
addition to the conductive shield, connect the grounding conductor to the grounding terminal
at the drive and motor ends. Do not use an asymmetrically constructed motor cable.
Connecting its fourth conductor at the motor end increases bearing currents and causes
extra wear.
The minimum allowed motor cable length without output filters is 20 m or 2 m with derating
(see derating rules in
Deratings for special settings in the drive control program (page 140)
).
Maximum cable length of the DC cables is 4 m.
Protect the input cables with additional fuses or circuit breaker against thermal overload.
Motor cables must be installed symmetrically to the common motor.
94 Electrical installation
Содержание ACS880-04FXT
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Страница 162: ...Drive module with optional full size input and output power cable terminals and IP20 shrouds 162 Dimension drawings ...
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Страница 182: ... Declaration of conformity 182 The Safe torque off function ...
Страница 183: ...The Safe torque off function 183 ...
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