The ERRNO tags are overwritten when a new error occurs.
UniLogic provides ERRNO Error Codes that report and retrieve errors for Ladder functions.
Under System > Ladder ERRNO, you can find tags for the Function Index and Error Number.
The index and error codes are in the Excel file ERRNO , click here to open the file.
The Function Indexes are in the System Function List tab. Locate the number, then click on the matching cell in the Error Number column to open the error codes.
In the next image, the Function Index is 0x0066, Find in Array; the Error code is 0x01.
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The ERRNO tags are overwritten when a new error occurs. |
