Beckhoff TwinSAFE logic FB User Manual

Function blocks
Function blocks for TwinSAFE logic components 145
3.21.2 Signal description
Table 3-127: FB LIMIT inputs
Name
Permitted type
Data type
Description
AnalogIn
TwinSAFE-In
FB-Out
Standard-In
TwinSAFE SC
INT16
INT32
UINT16
UINT32
Input channel for limitation
MinValue
TwinSAFE-In
FB-Out
Standard-In
TwinSAFE SC
INT16
INT32
UINT16
UINT32
Minimum value
MaxValue
TwinSAFE-In
FB-Out
Standard-In
TwinSAFE SC
INT16
INT32
UINT16
UINT32
Maximum value
Table 3-128: FB xxx outputs
Name
Permitted type
Data type
Description
Error
TwinSAFE-Out
FB-In
Standard-Out
BOOL
Error output (see diagnostic information)
InLimit
TwinSAFE-Out
FB-In
Standard-Out
BOOL
Value is within the minimum/maximum limits
BelowMin
TwinSAFE-Out
FB-In
Standard-Out
BOOL
Value is below the minimum limit
AboveMax
TwinSAFE-Out
FB-In
Standard-Out
BOOL
Value is above the maximum limit
Table 3-129: 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 3-130: Internal identifier of the FB
Type
Description
FB LIMIT
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