Permissible Line Supplies - Siemens Sinamics CU240D-2 DP Operating Instructions Manual

⑦
Figure 4-4
NOTICE
Material damage from inappropriate supply system V
Operating the converter on an inappropriate supply system can cause damage to the
converter and other loads.
• Only operate the converter on supply systems with V
Note
Fault protection for the motor circuit
The electronic overcurrent trip complies with the requirements laid down in IEC 60364-3-
2:2005/AMD1:- Section 411 for protection against electric shock.
• Observe the installation specifications provided in this manual.
• Observe the applicable installation standards.
• Ensure the continuity of the protective conductor.
4.2.2

Permissible line supplies

Operation on an IT line system is not permitted.
In an IT line system, all of the conductors are insulated with respect to the PE protective
conductor – or connected to the PE protective conductor through an impedance.
Operation on IT line systems is not permitted.
Operation on TN and TT line systems
TN line system
The TN line system in accordance with IEC 60364-1 (2005) transmits the PE conductor to
the installation via a conductor.
Generally, in a TN line system the neutral point is grounded. There are versions of a TN line
supply with a grounded line the conductor, e.g. with grounded L1.
A TN line system can transfer the neutral conductor N and the PE protective conductor either
separately or combined.
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
Digital outputs 0 and 1 with status LED
Interfaces on the converter variants
4.2 Electrical Installation
⑭
Motor, brake and temperature sensor con-
nections
> 1%
t
≤ 1%.
t
Installation
37