
Description
2.4 Overview of the LEDs
ET 200pro FC
30 Operating Instructions, 11/2007, A5E01100763B AA
2.4 Overview of the LEDs
Status display through LEDs
The SIMATIC ET 200pro FC frequency converters have a number of functions and statuses
that can be displayed by means of LEDs.
Standard frequency converter Fail-safe frequency converter
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Colors
The frequency converter status is displayed by means of the following range of LED colors
and statuses:
Description Color Status
On Off Transitional status
(Flashing: 0.5 Hz)
Fault LED
• SF
Red
Standby LED
• RY
Green
Fail-safe LED
• ES
• STO, SS1, SLS
Yellow
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