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Typical Timing Diagram
Fig. 114: Timing diagram for SF_MutingSeq with S_StartReset = TRUE
The FB detects the following error conditions:
n
Muting sensors MutingSwitch11, MutingSwitch12, MutingSwitch21, and MutingSwitch22 are activated in
the wrong order.
n
Muting sequence starts without being enabled by MutingEnable
n
A faulty muting lamp is indicated by S_MutingLamp = FALSE.
n
A static Reset condition.
n
MaxMutingTime has been set to a value less than T#0s or greater than T#10min.
n
The muting function (S_MutingActive = TRUE) exceeds the maximum muting time MaxMutingTime.
Error Behavior
In the event of an error, the S_AOPD_Out and S_MutingActive outputs are set to FALSE. The DiagCode
output indicates the relevant error code and the Error output is set to TRUE.
A restart is inhibited until the error conditions are cleared and the Safe state is acknowledged with Reset by
the operator.
Configuration and programming
AC500-S Libraries > SafetyBlocks_PLCopen_AC500_v22.lib
30.03.2017
AC500-S
340