Siemens S120 - Meaning of the Leds

Control Units, Control Unit Adapters and operating components
7.6 Control Unit Adapter CUA32
AC Drive
330 Manual, (GH6), 04/2014, 6SL3097-4AL00-0BP4
7.6.4
Meaning of the LEDs
Table 7- 53 Meaning of the LEDs on the Control Unit Adapter CUA32
LED
Color
Status
Description
RDY
(READY)
Red
continuous light
At least one fault is present in this component.
Green continuous light The component is ready for operation and cyclic DRIVE-CLiQ
communication is taking place.
OUT > 5V
- Off Electronics power supply is missing or outside permissible tolerance
range.
Power supply: ≤5 V.
Orange continuous light
Electronics power supply for measuring system available.
Power supply: >5 V.
Caution
You must ensure that the connected encoder can be operated with a
24 V power supply.
If an encoder that is designed for a 5 V power supply is operated with
a 24 V power supply, this can destroy the encoder electronics.
Cause and rectification of faults
Information about the cause and rectification of faults can be found in the SINAMICS S120
Commissioning Manual.