Each node in the device tree has a diagnosis view, which displays the diagnosis messages for this device only.
The message consists of the following:
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Timestamp in date and time YYYY-MM-DD hh:mm:ss.ms
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Error severity
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Error code
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Diagnosis description
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Additional data
To view the diagnosis message, do as follows:
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Double-click on a device.
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Select the tab “Diagnosis”.
Example
Battery empty or missing.
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Example
Wrong module configured on I/O bus.
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Device diagnosis is disabled by default.
To enable/disable device diagnosis:
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Double-click on the PLC.
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Select the tab “PLC Settings”.
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Under “Additional Settings” enable/disable “Diagnosis for devices”.
When the device diganosis is disabled, this symbol
will be displayed in the device tree and no diagnosis messages will be shown.