Beckhoff TwinSAFE logic FB

Function blocks
114 Function blocks for TwinSAFE logic components
3.14.2 Signal description
Table 3-80: FB TOF inputs
Name
Permitted type
Data type
Description
TofIn1
TwinSAFE-In
FB-Out
BOOL
1st input channel; the parameterization indicates whether a
break contact or a make contact is linked to this input.
Table 3-81: FB TOF outputs
Name
Permitted type
Data type
Description
TofOut
TwinSAFE-Out
FB-In
Standard-Out
BOOL
1st output channel, the safe state corresponds to a logical
0.
Table 3-82: Input and output types
Type
Description
TwinSAFE-In
TwinSAFE input, e.g. at an EL1904/KL1904
Standard-In
Standard PLC variable (output in the PLC %Q*)
FB-Out
TwinSAFE FB output
TwinSAFE-Out
TwinSAFE output, e.g. at an EL2904/KL2904
Standard-Out
Standard PLC variable (input in the PLC %I*)
FB-In
TwinSAFE FB input
Table 3-83: Internal identifier of the FB
Type
Description
FB TOF
This description applies to BLG 1.0 (internal version number)
3.14.2.1 Diagnostic and state information for FB TOF
Table 3-84: Diagnostic information (16-bit value)
Bit
Description
0-15
always 0
Table 3-85: State information (8-bit value)
Value
Description
0
undefined
1
RUN
If the TimerIn input is 1, the FB TOF module assumes the RUN state. If the TimerIn changes
to 0 in the RUN state, the FB TOF module starts the delay timer with the DelayTime and
changes to the DELAYOUT state.
The outputs assume the following values:
TimerOut=1
2
STOP
The FB TOF module assumes the STOP state if the input FbRun is FALSE.
The outputs assume the following values:
TimerOut=0