Meaning Of The Leds On The Braking Module - Siemens SINAMICS S120 Equipment Manual

10.1.3.5

Meaning of the LEDs on the braking module

Table 10-3 Meaning of the LEDs on the braking module
LED Color
-
READY
Green
Red
DC LINK -
Green
Note
To protect the braking resistor, the current fault cannot be acknowledged until after a waiting
period of approx. 3 min after an I*t shutdown of the braking module.
Equipment Manual Booksize Cold-Plate Power Sections
Manual, (GH4), Edition 06.2005, 6SL3097-2AJ00-0BP2
State
OFF
Continuous
Continuous
OFF
Flashing
Description
Electronics power supply outside permissible tolerance
range.
The component is ready for operation.
Braking module inhibited via DI X21.1
•
Braking module shutdown
•
Possible reasons:
Overcurrent
–
Overtemperature heat sink
–
Braking resistor overload (I*t shutdown)
–
Braking resistor switched off (DC link discharge not
active)
Braking resistor switched on (DC link discharge active)
DC link components
10.1 Braking Module
10-7