You can find Data Table information and error messages in:
System Data Tags, which are located in System Operands: Data Tables.
Note that the tags are updated after any Data Table function runs.
Within the struct that is created by UniLogic for each Data Table you create.
The Status parameter that is included in certain functions, such as DTI/SD Store and Load Functions.
Tag Name |
Description |
SD Store Success Counter |
From Data Table to SD Card File |
SD Store Failure Counter |
From Data Table to SD Card File |
SD Store Pending Requests |
Requests not yet executed |
SD Load Success Counter |
From SD to Data Table |
SD Load Failure Counter |
From SD to Data Table |
SD Load Pending Requests |
Requests not yet executed |
Code |
Message |
0 |
OK |
-1 |
DT is Full Relevant for LIFO and FIFO Data Tables only. |
-2 |
DT is Empty Relevant for LIFO and FIFO Data Tables only. |
-3 |
Request Size Mismatch, Load/Store DTI to/from Array. This occurs when: |
-4 |
Function in Progress. This means that data is being loaded/stored, in functions involve load/store from/to an SD file. Relevant for all Data Tables |
|
When using Store DTI to File followed by Load from File: |
Code |
Message |
1 |
Function in progress |
0 |
No errors |
-1 |
Function failed |
-2 |
Internal error. Contact Support. |
-3 |
General Error. |
-4 |
Internal error. Contact Support. |
-5 |
Read file error |
-6 |
Write file error |
-7 |
CRC error. The structure of the Data Table and the external file do not match |
-8 |
Signature file error |
-9 |
PLC Data Table cannot be stored to external file |
-10 |
External File cannot be loaded to PLC Data Table |
-12 |
Internal error. Contact Support. |
-13 |
Function Failed |
-14 |
Append file error, no file created; see Help topic LF: Store DTI to File for more information |
-31 |
Number of lines in file is 0 |
-32 |
File Name missing: the file name parameter is empty within the function |
-33 |
The number of lines specified in the function exceeds the number of lines that are in the Data Table |
-34 |
The file name exceeds 63 characters |
-35 |
Too many requests |
-36 |
Internal error. Contact Support. |
-37 |
Download in Progress |
-38 |
Array locked by other utility |