the second problem is by building the installer that will be installered to my PC targate OPC server. When I right click on the properties of the customer e/s in the exploer project opc and make any change and still run the application it works where is the problem.Ģ.

I got configer the opc via the Project Explorer client some time it works perfectly, but when I run it by the next day, he cannot communicate with an OPC server but the OPC server is to communicate with the PLC. I make the datalogging progam in the PLC via modbus communication using the OPC server.ġ. How to install the OPC Server with the Application Setup Now it works, and the value is the casting of Holding register and Holding and I got the temperature.Īlready you are quite right, thanks again. These parameters were not default and I tried some combinations but bad not these.Īs the tag data type, we tried anyway and got the content of the Register Holding data. Using the Modbus 05 functions for single coil written and use default Modbus byte order. We tried a few others setting for the device in NI OPC modbus Modbus function 06 use simple written record. I hope that I missed something and it might suggest. I tried to tell my mutual FUND values are strings, floats, words, BCD, and all other possible means what mutual FUNDS offered to me, but nothing results in a usable temperature. I also get the same results to access the 301000 into different types. The address used to be lookout is 41000 Labview in is just 999 and in the 'target' - OPC Server I get some values to 401000 but not useful. The type provided by the module must be single precision. I know, my data is in the records to be kept and I can access, but each type of data, I'm train does not bring my outgoing, any other (sometimes huge with e34, sometimes very small as e - 13.) my data sort, I do not understand. There is a thermocouple to provide me with some examples of data.īut there is the point. The accumulation is pretty easy, my system with NI OPC, modbus door and the module connected with RS485. I use OPC OR server to access a module of measure. Problems using Modbus TCP accessible by NI OPC Server

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