DC link components
8.2 Control Supply Module CSM
SINAMICS S120 Combi
158 Manual, Edition 07/2012, 6SL3097-4AV00-0BP3
8.2.5 Meaning of the LEDs on the Control Supply Module
Table 8- 12 Meaning of the LEDs on the Control Supply Module
LED Color Status Description
- Off Electronics power supply outside the permissible tolerance range
or temperature advance warning active
READY
Green Continuous light Ready for operation. Output voltage in the tolerance range and
temperature advance warning inactive
- Off DC input voltage V
E DC
< 280...300 V
Buffer operation not possible
Yellow Continuous light DC input voltage in the range
360...380 < V
E DC
< 820 V ± 3 %
Buffer operation possible
DC LINK
Red Continuous light DC input voltage outside the tolerance range:
V
E DC
< 360...380 V or V
E DC
> 820 V ± 3 %