Meaning Of The Leds - Siemens SINAMICS S120 System Manual

Control Supply Module (CSM)

8.5 Meaning of the LEDs

8.5 Meaning of the LEDs
Table 8- 6 Meaning of the LEDs on the Control Supply Module
LED Color
READY -
Green
DC LINK -
Yellow
Red
136
Status Description
Off The electronics power supply is outside the permissible tolerance
range or the temperature prewarning is active.
Continuous light Ready
The output voltage is in the tolerance range and the temperature
prewarning is inactive.
Off DC input voltage U
Buffer operation is not possible.
Continuous light DC input voltage in the range
360 ... 380 V < U
Buffer operation is possible
Continuous light DC input voltage outside the tolerance range:
U
E DC
< 280 ... 300 V
E DC
< 820 V ± 3 %
E DC
< 360 ... 380 V or V > 820 V ± 3 %
E DC
System Manual, (SH2), 04/2015, 6SL3097-4AH10-0BP3
High Frequency Drive