UniDDE
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UniDDE (Unitronics Dynamic Data Exchange) enables you to read and write data between Unitronics OPLCs and applications that support DDE, such as Excel.
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hi dierkens, thanks again for your answer...now I have 5 minute of "relax" to try to explain better what I have. to be clear ...when the phisical installation was started my PLC was ready, program done, test field simulation etc, to be connected with the master...obviously I wrote a data exchange document with all explanation...also a step by step example... was who had to program the master side that was not ready...and develloped the program at customer site! at the time I have connect the PLC with the PC where I created an easy program in C# to test...to show at the end customer that all work fine...and it was. after a few the second supplier told me that they were having problem because they never used Modbus protocol (but was the agreement from the beginning!?)...I explained again what they had to do...after a few they told me "now is ok"....great I thoug...but now they come back telling me that sometimes the command is not catch...in my PLC I have a "debug page" where I can see the amount of the "success" and "failed" about the TCP side...the fail are always "0" and the "success" increased every time. in their PLC they don't manage the exception or the data send error or don't check "my" registers about alarms or wrongs commands....I know because the customer user don't found these when the system seems not working...and they (second supplier) are not telling me how they are creating the data string that are sending... yes I can use something like a "sniffer" but I was thinking if the buffer of the data entry was available!? -
By Joe Tauser · Posted
Hold Ctrl+Shift while you double-click the Visilogic icon. This will reset the window settings to factory default. Joe T. -
By Joe Tauser · Posted
You need to assign numbers to the fields and embed that number in the barcode for sorting. Joe T. -
More information needed in the form of screenshots of setup, program etc. You are essentially telling us "My car won't start!" cheers, Aus -
I would like to clear all the data in a certain struct. I thought I was able to do that using the Reset Numeric function. I entered the name of the struct in the function box tag and then erased the period. For some reason, however, the data is not being cleared in the struct. Am I wrong in how I set this up, or am I overlooking something?
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