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Connecting
4.2 Connecting the line and motor cable at the converter
4.2.2
Length of the motor cable
Always dimension the motor cable so that the ohmic losses are less than 5 % of the
converter power rating.
The permissible length of the motor cable also depends on the quality of the motor cable and
the converter pulse frequency. The values specified below are applicable for high quality
cables, such as CY100 or similar, and for the pulse frequencies set in the factory.
If you set other pulse frequencies, then you must ensure that the EMC category is complied
with on the plant or system side.
EMC-compliant wiring is required in order that the converter complies with the EMC category
listed in the following table.
Carefully observe the following section for operation in the first environment:
Table 4- 1
Converter
Frame sizes FSD/FSE
400 V
690 V
Frame size FSF
400 V
690 V
42
Technical data (Page 53)
EMC-compliant installation of a machine or system (Page 19)
Electromagnetic compatibility of variable-speed drives (Page 72)
Permissible length of motor connecting cables
Converter with filter, category
C2
EMC category
Second
Second envi-
Environment,
ronment, C3
C2
Shielded
150 m
100 m
150 m
---
without output reactor
Shielded
Shielded
150 m
200 m
100 m
200 m
150 m
300 m
150 m
300 m
Hardware Installation Manual, 06/2020, A5E37800827C AD
Converter without filter
No EMC category
with two output reactors in
series
Unshielded
Shielded
300 m
350 m
300 m
350 m
450 m
525 m
450 m
525 m
Power Module PM240P-2
Unshielded
525 m
525 m
800 m
800 m
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