ABB AC500-S Safety User Manual page 269

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Typical timing
diagram
Fig. 107: Timing diagram for SF_MutingPar_2Sensor (S_StartReset = TRUE, Reset = FALSE,
S_MutingLamp = TRUE)
The FB detects the following error conditions:
DiscTimeEntry has been set to value less than T#0s or greater than T#4s.
MaxMutingTime has been set to a value less than T#0s or greater than T#10min.
The discrepancy time for the S_MutingSwitch11/S_MutingSwitch12 sensor pair has been
exceeded.
The muting function (S_MutingActive = TRUE) exceeds the maximum muting time
MaxMutingTime.
Muting sensors S_MutingSwitch11, S_MutingSwitch12 are activated in the wrong order.
Muting sequence starts without being enabled by MutingEnable.
Static muting sensor signals.
A faulty muting lamp is indicated by S_MutingLamp = FALSE.
A static Reset condition is detected in state 8001 and 8003.
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.
Function block-
Table 58: FB-specific error codes
specific error
DiagCode
and status
codes
C001
C002
2020/06/19
State name
State description and output setting
Reset Error
Static Reset condition detected after FB activation in state 8001.
1
Ready = TRUE
S_AOPD_Out = FALSE
S_MutingActive = FALSE
Error = TRUE
Reset Error
Static Reset condition detected in state 8003.
2
Ready = TRUE
S_AOPD_Out = FALSE
S_MutingActive = FALSE
Error = TRUE
3ADR025091M0208, 12, en_US
Configuration and programming
AC500-S libraries > SafetyBlocks_PLCopen_AC500_v22.lib
269

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