Electrical connection
6.4 Connecting control cable
Installation and Operating Instructions SINAMICS G180
Operating Instructions, 02/2019, 4BS0751-007
93
6.4
Connecting control cable
●
Connect the control cables as described in section "Communication options" (Page 129)
or according to the supplied equipment documentation.
●
Use shielded, twisted pair cables for the connection of signal lines in order to increase the
signal quality.
●
When installing cables and selecting the cabling materials, it is essential that you observe
the information in section "Safe isolation in accordance with EN 61800-5-1" (Page 145).
●
Instructions for correct EMC connection can be found in section "Correct EMC installation
and connection" (Page 75).
●
For more detailed information about control cable terminals, please refer to section
"Technical data of control cable terminals" (Page 201).
6.5
Line supply connection
6.5.1
Suitable supply line configurations
The converters are suitable for the following line supply types:
Table 6- 1
SINAMICS G180 T7 and appropriate line supply types
Line voltage
Type designation
Line system type
400 V
2T..-..40.-…
TT or TN line system, grounded
500 V
2T..-..50.-…
TT, TN or IT line system, grounded or not grounded
690 V
2T..-..60.-…
TT, TN or IT line system, grounded or not grounded
Table 6- 2
SINAMICS G180 R7 and appropriate line system types
Line voltage
Type designation
Line system type
400 V
2R..-87400-…
TT or TN line system, grounded
690 V
2R..-87600-…
TT or TN line system, grounded
WARNING
Explosion of the Y capacitors
If you operate units, category C1, C2 or C3 (radio interference suppression class A or B)
with type designation "2T..-.....-....A/B...." on ungrounded mains power supplies, then this
can destroy the Y capacitors at the line supply input. Serious injury and death can occur.
Only use units without RFI suppression filter with the type designation "2T..-.....-....O...." on
an ungrounded mains power supply. IT mains power supplies are not grounded.
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