System description
Function blocks for TwinSAFE logic components 15
2.2 System diagnosis
The states of TwinSAFE groups, FBs and connections can be checked online in the System Manager /
Solution. The diagnostic information can be copied into the cyclic process image.
TwinSAFE groups have inputs and outputs that can be assigned offline and viewed online, as illustrated
below.
If the checkboxes or the properties 'Map State' and 'Map Diag' are set, the state and diagnostic data for
the group are copied into the cyclic process image and can be linked directly with PLC variables.
The EL/EJ6910 additionally reports events in a diag history. It contains events with timestamps. The user
can configure which data are to be stored in the history.
KL6904
With the KL6904 copying of the diagnostic information to the cyclic process image is only possible to a
limited extent. The checkboxes 'Map State' and 'Map Diag' are not available.
2.2.1 Diagram showing EL6900/KL6904 diagnostics under TwinCAT 2
2.2.1.1 TwinSAFE group diagnostics
Figure 2-2: TwinSAFE group inputs/outputs (online)
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