16 AGL-STOV0-01SV0-05
06/12
6.1 Definitions of the AGL Safety functions
SF1: Safety Function 1
SF2: Safety Function 2
DF1: Diagnosis function 1
DF2: Diagnosis function 2
Response time:
Time that elapses between the triggering of the Safey function on the user interface
and reaching the safe state.
Example for STO: On the user interface the signal level switches from above DC 15 V
to less than DC 5 V. Latest when falling below DC 5 V the response time begins and
ends at the moment where torque can no longer be generated.
Fault Response time:
Time between the occurrence of a detectable fault and reaching the safe state of the
frequency inverter.
Example: The Safety function STO can no longer be triggerd via channel A. The de-
vice internal diagnosis detects the fault and initiates the necessary fault reaction
functions. Overall the Fault response time elapses until torque can no longer be gen-
erated.
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