Beckhoff TwinSAFE logic FB User Manual

Function blocks
128 Function blocks for TwinSAFE logic components
Table 3-100: FB SUB outputs
Name
Permitted type
Data type
Description
Error
TwinSAFE-Out
FB-In
Standard-Out
BOOL
Error output (see diagnostic information)
AnalogOut
TwinSAFE-Out
FB-In
Standard-Out
INT16
INT32
UINT16
UINT32
1st output channel with the subtraction result
Table 3-101: FB SUB 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 3-102: Internal identifier of the FB
Type
Description
FB SUB
This description applies to BLG 1.0 (internal version number)
3.17.2.1 Diagnostic and state information for the FB SUB
Table 3-103: Diagnostic information
Value
Description
0
The AnalogOut output is correct
1
The AnalogOut output has an underflow
(is less than the smallest possible value)
2
The AnalogOut output has an overflow
(is greater than the largest possible value)
Table 3-104: Diag Message
Text ID
Meaning
Parameter 1
Parameter 2
Parameter 3
0x4080
An underflow has occurred
FB number
AnalogIn1
AnalogIn2
0x4081
An overflow has occurred
FB number
AnalogIn1
AnalogIn2

Beckhoff TwinSAFE logic FB Specifications

General

Brand	Beckhoff
Model	TwinSAFE logic FB
Category	Industrial Electrical
Language	English