DC link components
7.2 Braking Module Booksize
SINAMICS S120 Combi
172 Manual, 11/2017, 6SL3097-4AV00-0BP7
Table 7- 10 Meaning of the LEDs on the Braking Module Booksize
Off Off Electronics power supply is missing or outside the per-
missible tolerance range.
Component not active or has been deactivated via the
terminal.
–
Green Off Component is ready for operation.
Electronics power supply is missing or outside the per-
missible tolerance range.
–
Green flashing
Component active (DC link discharge via braking resis-
–
Red Off Approval missing (input terminal)
Overtemperature
Overcurrent trip
I
2
t-monitoring activated
Ground fault/short circuit
In the event of overtemperature, the error cannot be
acknowledged until after a cooling phase.
Diagnose fault (via output
terminals) and acknowledge
it (via input terminal)