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10.2.29 Supervision of data in PLC function (PLC data error)
Error in the PLC function is detected because the data coded by PLC editor
1
has an error.
(i) Error level
Generally, the default error level has been set at level 3 (Minor error), but the user can program
the level using setting [CHK_PLC_DAT:LVl]; then, set On for the setting [CHK_PLC_DAT:Sw].
The manufacturer sets one-hundred-twenty (120) second to detect the failure; it is reset within
60 seconds when the failure is cleared.
(ii) Error message
When detecting an error, an error message will be shown on the LCD screen and an LED is lit.
Table 10.2-59 Error messages provided by the supervisor in CHK_PLC_DAT
Meaning of the information
Detection of the failure in the PLC function
1
For more information about the task and its kind, see Chapter
PLC editing in
PLC editor
(6F2S1904) separately.