Beckhoff TwinSAFE logic FB User Manual

Function blocks
140 Function blocks for TwinSAFE logic components
3.20.2 Signal description
Table 3-120: FB COMPARE inputs
Name
Permitted type
Data type
Description
CompIn1
TwinSAFE-In
FB-Out
Standard-In
TwinSAFE SC
INT16
INT32
UINT16
UINT32
1st input channel for the comparison (1oo2, 2oo3,
3oo5)
CompIn2
TwinSAFE-In
FB-Out
Standard-In
TwinSAFE SC
INT16
INT32
UINT16
UINT32
2nd input channel for the comparison (1oo2, 2oo3,
3oo5)
CompIn3
TwinSAFE-In
FB-Out
Standard-In
TwinSAFE SC
INT16
INT32
UINT16
UINT32
3rd input channel for the comparison (2oo3, 3oo5)
CompIn4
TwinSAFE-In
FB-Out
Standard-In
TwinSAFE SC
INT16
INT32
UINT16
UINT32
4th input channel for the comparison (3oo5)
CompIn5
TwinSAFE-In
FB-Out
Standard-In
TwinSAFE SC
INT16
INT32
UINT16
UINT32
5th input channel for the comparison (3oo5)
Table 3-121: FB COMPARE outputs
Name
Permitted type
Data type
Description
Error
TwinSAFE-Out
FB-In
Standard-Out
BOOL
Error output (see diagnostic information)
IsValid
TwinSAFE-Out
FB-In
Standard-Out
BOOL
Output indicating whether the comparison has a
positive or negative result
(positive=1, negative=0)
CompOut
TwinSAFE-Out
FB-In
Standard-Out
INT16
INT32
UINT16
UINT32
Output channel with the first CompIn input value that
lies within the comparison result
Table 3-122: 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 3-123: Internal identifier of the FB
Type
Description
FB COMPARE
This description applies to BLG 1.0 (internal version number)

Beckhoff TwinSAFE logic FB Specifications

General

Brand	Beckhoff
Model	TwinSAFE logic FB
Category	Industrial Electrical
Language	English