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Found 9 results

  1. good morning i need to write a row in a temporary table in the ram memory this table contains one row and 12 columns, the first one is a long integer entred and the second is a string, both are entered with the keybord of the plc and the rest are integer with 100 velues in each cell and those are mesurment of voltage from the analog input one mesurment every 0.1 seconds during 100 seconds and i want those mesurments to be triggered by a button. once finished it has to coppy that row to a bigger table with the same columns but lets say 1000 rows in the sd cardso i can later use that informations to feed the analog output with the same voltage mesured with the same amount of time 0.1s until the first zero . i want all that to be controlled from the plc the writing and the copying and the search of the row later . is that possible and if yes, is there any exemple that might help me. thank you.
  2. Hello, I'm having problem with vision V700 PLC. Reading data from multiple slaves kinda understable but I need to display data from data table in HMI. How can I do that? Reading different material didn't help, maybe I missed something. Thank you in advance.
  3. Has some one worked with Gcode to feed data table, to use in PTO function?
  4. I have to retrieve and import a CSV file to a DTI. There is no problem about the FTP section, but when I try to convert a CSV file to an UDTF file I have got an error if the CSV file has more than 127 lines. Is there a way to resolve this issue ? My final CSV file to import will maybe have near of 500 lines. Thanks for reading
  5. Hi, everyone I would like to know if you can give me ideas about how to do the following program. It is a table which I want to see in the oplc screen Samba 7 ​ ​ ​This table has to be filled as specified in ASTM D1709 (Plastic sheets impact resistance evaluation)​ ​ 1)So at first point ​I assume a initial value of weight that could cause the fault of a specific sheet , and the variable weight (to select between 5% and 15% of initial weight, it has to be 5gr multiple) and test the firs sheet. 2) If the first sheet fault, for the following sheet to test i have to decrease the weight (if not i have to increase). Each result is identified by fault: X, no fault: O. The fault or not fault condition are registered by 2 buttons in the screen cause the damage evaluation is only visual 3) And so on increasing or decreasing weight of test if last test result was fault or not, till I obtain a matrix (3x20 to 6x20, consecutive rows, and maybe non consecutive columns) in wich there are 10 faults and 10 no faults. ​The minimum quantity (ideal quantity) of tests are 20 (10 faults and 10 don´t fault). ​ ​ Example 1: A ideal test in which after carry out 20 tests (20 films tested) I obtained 10 faults and 10 no faults using 4 consecutive weights (between 3 and 6). ​Initial weight: 280 gr variable weight: 15 gr​ See attached file ​​​ ​Example 2: ​ For this more real example I had to develop 22 tests (22 films tested) to have combination of 10 faults and 10 no faults, using 5 consecutive weights (between 3 and 6 consecutive weights)​. So I have to discard tests #2 and #4 ​​Initial weight: 235 gr variable weight: 15 gr​​​ See attached file 4) Finally I have to math the impact weight resistance that represents to the batch of plastic films I hope you can give me ideas to develop this program Thank you very much in advance
  6. I need a completely automated solution for sending a .csv (or .txt) file to a V350 that can then be imported into a Data Table. This has to happen without human intervention. The .csv file would be in the same format as the Data Table. Ideally the V350 would be able to grab a file from an FTP server and write it to SD Card, then read the file and write it to a Data Table. I'm surprised that there is not a solution like this, as it would be a common requirement to read in a recipe in automated fashion for example. Any ideas? Many thanks .... Kurt
  7. Hi all, I have been trying to use the "Find value in DTI column" to find a value in a column, then return a row full of values from the row that the value is found in. The data table has loaded fine (I checked it using the Online mode) and it contains values of temperature and pressure. I can get a row of data out of it (and display it) using the "Read row from DTI" function. I can’t, however, use the "Find value in DTI column" function as I imagine it was intended. I was expecting to give it a value, say a temperature I was measuring (all three columns of data are of the Real data type and so was the value passed to the function), and it wold return a row from the table. I passed the correct table to the function, passed the correct column from the struct that the data table is "made of", I passed it a value (of the same type as the data in the table and within the limits of the table data, which has values which ascend with temperature), got it to search from row 0, and asked it to search once (why would you want it to do it more times?) It doesn't seem to be working, though, and when I check in online mode, it’s constantly returning a row value of -1. Does anyone have any ideas of anything else I can try, or if I’m using this wrong? Since I can’t use loops, as the ladder doesn’t seem to have such things, I’m not sure what else I can try?
  8. Is there any automated way to get data from a database such as SQL into a V350 in an automated way? It would be nice to go from an external database into a Data Table. Anyone with experience in this area?
  9. I have successfully pulled data from a data table to Excel with DataXport. I have pushed one line of Excel data to a group of Mi's in the V350 with UniDDE. I cannot seem to push an entire data table's worth of data from Excel to a data table. Is it really simple and I am just missing it? I have also successfully pushed Excel files onto a Micro SD card but I can't get them from the card to a data table. I really need my V350 to be able to receive data downloads. Any help would be greatly appreciated. Jim