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Found 2 results

  1. I'm a student engineer and I'm working on my final graduating project, i have to make a specialized TIG welding machine for aeronautical use. what i'm asking is can i logg an analog input 0-10V into a data table and save it to reuse it as information for a analog output 0-10V many times after recording the data (i want to code the learning mode then a working mode ) thank you
  2. Hi, We are using datatables in V570. Trying to write to the first column in the first table in V570, address 0 – which is a Integer column. I’m not able to write to it, I Just get an UserInputException (Invalid write values). I’m able to read the same column, using the same addressing. What’s wrong with my code? Public Function WriteTableFeedPlan(ByVal FeedPlanId As Integer) Dim rw() As ReadWriteRequest = New ReadWriteRequest(0) {} Dim StartAddress As UInteger = 0 Dim NumberOfBytesToWriteInRow As UShort = 2 Dim NumberOfRowsToWrite As UShort = 1 Dim RowSizeInBytes As UShort = 2 Dim ValueList As New List(Of Byte) Dim byte1 As Byte = 4 Dim byte2 As Byte = 5 ValueList.Add(byte1) ValueList.Add(byte2) rw(0) = New WriteDataTables(StartAddress, NumberOfBytesToWriteInRow, NumberOfBytesToWriteInRow, RowSizeInBytes, ValueList) Try plc.ReadWrite(rw) ethernet.Disconnect() Catch ethernet.Disconnect() Return False End Try Return True End Function
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