Beckhoff TwinSAFE logic FB

Function blocks
102 Function blocks for TwinSAFE logic components
3.11.2 Signal description
Table 3-63: FB SR inputs
Name
Permitted
type
Data type
Description
Set
TwinSAFE-In
FB-Out
BOOL
1st input channel; the parameterization indicates
whether a break contact or a make contact is linked to
this input.
Reset
TwinSAFE-In
FB-Out
BOOL
2nd input channel; the parameterization indicates
whether a break contact or a make contact is linked to
this input.
Table 3-64: FB SR outputs
Name
Permitted
type
Data type
Description
SrOut
TwinSAFE-Out
FB-In
Standard-Out
BOOL
1st output channel, the safe state corresponds to a
logical 0.
3.11.2.1 FB SR input and output types
Table 3-65: 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 3-66: Internal identifier of the FB
Type
Description
FB SR
This description applies to BLG 1.0 (internal version number)
3.11.2.2 Diagnostic and state information for FB SR
Table 3-67: Diagnostic information (16-bit value)
Bit
Description
0-15
always 0
Table 3-68: State information (8-bit value)
Value
Description
0
undefined
2
STOP
The FB SR module assumes the STOP state if the input FbRun is FALSE.
The outputs assume the following values:
SrOut=0