
Alarm, fault, and system messages
9.2 Diagnostics through LEDs
ET 200pro FC
142 Operating Instructions, 11/2007, A5E01100763B AA
STO status LEDs for fail-safe functions
LED
SF RY/RDY ES STO SS1 SLS
Red Green Yellow
Description
Not
relevant
Not
relevant
Not
relevant
Not
relevant
STO parameterized
Not
relevant
Not
relevant
Not
relevant
Not
relevant
STO initiated
Not
relevant
Not
relevant
Not
relevant
Not
relevant
STO reached
Not
relevant
Not
relevant
Passivation of
frequency converter
initiated
SS1 status LEDs for fail-safe functions
LED
SF RY/RDY ES STO SS1 SLS
Red Green Yellow
Description
Not
relevant
Not
relevant
SS1 parameterized
Not
relevant
Not
relevant
Not
relevant
Not
relevant
SS1 initiated
Not
relevant
Not
relevant
Not
relevant
Not
relevant
SS1 reached
SLS status LEDs for fail-safe functions
LED
SF RY/RDY ES STO SS1 SLS
Red Green Yellow
Description
Not
relevant
Not
relevant
SLS parameterized
Not
relevant
Not
relevant
Not
relevant
Not
relevant
SLS initiated
Not
relevant
Not
relevant
Not
relevant
Not
relevant
SLS reached
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