Beckhoff TwinSAFE logic FB

Function blocks
Function blocks for TwinSAFE logic components 207
3.29.2 Signal description
Table 3-179: FB ViolationCnt inputs
Name
Permitted
type
Data type
Description
Enable
TwinSAFE-In
FB-Out
Standard-In
BOOL
Input for activating the function.
Input
TwinSAFE-In
FB-Out
Standard-In
BOOL
This value is checked whenever the function block is
called. It ensures that the error counter is incremented
or decremented.
Input not negated:
TRUE - counter is decremented
FALSE - counter is incremented
Input negated:
TRUE - counter is incremented
FALSE - counter is decremented
Table 3-180: FB ViolationCnt outputs
Name
Permitted
type
Data
type
Description
InputOK
TwinSAFE-Out
FB-In
Standard-Out
BOOL
This output is set to TRUE if Enable is TRUE and the
internal error counter is below the counter limit.
ActViolationCnt
TwinSAFE-Out
FB-In
Standard-Out
UINT16
UINT32
Indicates the current internal counter value if the
Enable input is TRUE, otherwise the output is set to
0.
Table 3-181: Input and output types
Type
Description
TwinSAFE-In
TwinSAFE input of an EL1904/KL1904, e.g.
Standard-In
Standard PLC variable (output in the PLC %Q*)
FB-Out
TwinSAFE FB output
TwinSAFE-Out
TwinSAFE output of an EL2904/KL2904, e.g.
Standard-Out
Standard PLC variable (input in the PLC %I*)
FB-In
TwinSAFE FB input
TwinSAFE SC
Input of a TwinSAFE connection (TwinSAFE SC technology)
Table 3-182: FB ViolationCnt parameters
Parameter
Description
Increment Error
Number by which the internal counter is incremented
Decrement No Error
Number by which the internal counter is decremented
Counter Limit
Limit for the internal counter. Above the limit the output InputOK is
set to FALSE.
Table 3-183: Internal identifier of the FB
Type
Description
FB ViolationCnt
This description applies to BLG 1.0 (internal version number)