BECKHOFF EL6900-FB User Manual
Page 55

Function blocks
Function blocks for TwinSAFE logic terminals
53
Table 3-37: FB MUTING outputs
Name
Permitted type
Description
Error
TwinSAFE-Out
FB-In
Standard-Out
TRUE:
The discrepancy time monitoring for a 2-channel input group
has detected an error, the muting sequence was violated, or
the maximum muting time exceeded. The error must be
acknowledged via the ERR_ACK input of the corresponding
TwinSAFE group.
FALSE:
No error was found
MutingActive
TwinSAFE-Out
FB-In
Standard-Out
1
st
outlet channel. It indicates the current muting process
through logic 1.
MuteOut
TwinSAFE-Out
FB-In
Standard-Out
1
st
output channel, the safe state corresponds to a logical 0.
MuteDelOut
TwinSAFE-Out
FB-In
Standard-Out
2
nd
output channel, the safe state corresponds to a logical 0.
The safe state is output with a delay, which corresponds to the
parameterized Delay Time.
Table 3-38: FB MUTING input and output types
Type
Description
TwinSAFE-In
TwinSAFE input at an EL1904/KL1904
Standard-In
Standard PLC variable (output in the PLC %Q*)
FB-Out
TwinSAFE FB output
TwinSAFE-Out
TwinSAFE output at an EL2904/KL2904
Standard-Out
Standard PLC variable (input in the PLC %I*)
FB-In
TwinSAFE FB input