BECKHOFF EL6900-FB - Manual (Page 67)

Function blocks
Function blocks for TwinSAFE logic terminals 65
3.10.2 Signal description
Table 3-46: FB RS inputs
Name Permitted type Description
Reset TwinSAFE-In
FB-Out 1 st input channel. The parameterization determines, whether the input
is linked to a normally closed contact (safe state will be requested by
logical 0) or normally open contact (safe state will be requested by
logical 1).
Set TwinSAFE-In
FB-Out 2 nd input channel. The parameterization determines, whether the
input is linked to a normally closed contact (safe state will be
requested by logical 0) or normally open contact (safe state will be
requested by logical 1).
Table 3-47: FB RS outputs
Name Permitted type Description
RsOut TwinSAFE-Out
FB-In
Standard-Out 1 st output channel, the safe state corresponds to a logical 0.
3.10.2.1 FB RS input and output types
Table 3-48: FB RS input and output types
Type Description
TwinSAFE-In TwinSAFE input at an EL1904/KL1904
Standard-In Standard PLC variable (output in the PLC %Q*)
FB-Out TwinSAFE FB output
TwinSAFE-Out TwinSAFE output at an EL2904/KL2904
Standard-Out Standard PLC variable (input in the PLC %I*)
FB-In TwinSAFE FB input
3.10.2.2 Diagnostic and status information for FB RS
Table 3-49: Diagnostic information (16-bit value)
Index Description
0-15 always 0
Table 3-50: Status information (8-bit value)
Index Description
0 undefined
2 STOP
3 SAFE
9 SET