Beckhoff TwinSAFE logic FB

Function blocks
Function blocks for TwinSAFE logic components 93
3.9.2 Signal description
Table 3-51: FB EDM inputs
Name
Permitted type
Data type
Description
Mon1
TwinSAFE-In
FB-Out
Standard-In
BOOL
1st input. The input can be parameterized as a break
contact or a make contact.
Mon2
TwinSAFE-In
FB-Out
Standard-In
BOOL
2nd input, which has to assume the value opposite to input
1 within the set times.
Table 3-52: FB EDM outputs
Name
Permitted type
Data type
Description
Error
TwinSAFE-Out
FB-In
Standard-Out
BOOL
TRUE:
SwitchOn or SwitchOff times were exceeded.
FALSE:
No error occurred.
Table 3-53: 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 3-54: Internal identifier of the FB
Type
Description
FB EDM
This description applies to BLG 1.0 (internal version number)
3.9.2.1 Diagnostic and state information for FB EDM
Table 3-55: Diagnostic information (16-bit value)
Bit
Description
0
Switch-OFF timer elapsed
1
Switch-ON timer elapsed