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

5.1.3.5

Meaning of the LEDs on the braking module

Table 5-3 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 for Booksize Power Units
Equipment Manual, (GH2), 03/2006 Edition, 6SL3097-2AC00-0BP3
State
OFF
Continuous
Continuous
OFF
Flashing
DC link components Booksize
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)
5.1 Braking Module Booksize
5-7