Beckhoff TwinSAFE logic FB

Function blocks
Function blocks for TwinSAFE logic components 119
Table 3-87: FB CONNECTION SHUTDOWN outputs
Name
Permitted
type
Data type
Description
Error
TwinSAFE-Out
FB-In
Standard-Out
BOOL
TRUE:
The discrepancy time monitoring of a 2-channel input
group has detected an error. The error reset must be
carried out via the ERR_ACK input of the related
TwinSAFE group.
FALSE:
No error was found
Deactivated
TwinSAFE-Out
FB-In
Standard-Out
BOOL
1st output channel, the safe state corresponds to a
logical 0.
The output is set once the connection is terminated.
Table 3-88: 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 3-89: Internal identifier of the FB
Type
Description
FB CONNECTION
SHUTDOWN
This description applies to BLG 1.0 (internal version number)
3.15.2.1 Diagnostic and state information for FB CONNECTION SHUTDOWN
Table 3-90: Diagnostic information (16-bit value)
Bit
Description
0
Discrepancy error input group 1