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Showing results for tags '.net driver'.
Hi, I hope you might help with the following issue: I wrote a simple python library, using the PCOM protcol & pySerial. To test it, I created a script that reads a few Memory Bit operands from a SM-43 via the built-in RS232-USB Bridge. The library and the script work perfectly, accept when it comes to reading more than seven bit operands: I used the online mode to set the MB100-107 to the values : 10101100. While the response comes back intact, ( checksum checks out etc) I'm getting different responses for the same request. The respective bytes in the payload of the response me
Hello Everyone, I have a new project that would require me to integrate a V130 PLC into an existing .NET application. Basically I'll need to send a "recipe" to the PLC. This will involve setting a series of values (via serial) to a mix of MB's, and MI's. Then the PLC will run autonomously sending status information, and the .NET application will go into a listener mode and simply act as a terminal. So I'm kicking around the best method to do this, and would appreciate any advice on which would be the best method to go forward: Ideally I'd prefer to use the .NET driver, but I'm n