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3.2.3
Current limitation test
Fundamentals
A check is made as to whether the excitation equipment limits the armature current to the
specified current. Prerequisite is a successful voltage test. The value for the momentary
armature current is available.
Test procedure
1. The excitation equipment is ready to start.
2. The current limitation parameter is reduced with the operating software.
3. The excitation system is switched on.
Result
The test is successfully passed if the armature current corresponds to the value of the set
current limitation.
3.2.4
External EMERGENCY OFF
Fundamentals
The external EMERGENCY OFF is simulated. This checks that in the case of an EMERGENCY
OFF command the excitation equipment no longer provides a voltage.
Test procedure
1. The auxiliary voltage is present.
2. To simulate an external EMERGENCY OFF, the jumper for the Emergency Stop is opened
3. The jumper for the Emergency Stop is reconnected at the terminal.
Result
The test is successfully passed if the appropriate messages are displayed.
SINAMICS DCM 6RN F03
Reference Manual Rev.201902141527 SINAMICS DCM
The armature current adjusts itself to the set current limiting value.
at the appropriate terminal as shown in the circuit diagram.
The excitation equipment displays "10.x".
The operating software displays "Emergency Stop/Safety shutdown".
The excitation equipment displays "7.x" or 8.x (=" Ready to switch on").
The operating software displays "Ready to switch on".
Tests
3.2 Function test
21
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