I assume that once I have done this, I basically can run the trasaction, and it will write the contents of the array to the PLC, starting at the modbus address I specify - and stopping when it reaches the end of the array? If anyone is able to help and show me how I can populate the array, or whatever I need to populate, with each integer I am reading off the file, that would be a huge help.
I have defined a Register array, and created a new array, however I am not sure how to populate each position of the array with the integers I have from my file. Modbus RTU is widely used within Building Management Systems (BMS) and Industrial Automation Systems (IAS). It is a widely accepted protocol due to its ease of use and reliability. I found simple example of 'slave' here and 'master' here, but I cant run it correctly. I use java and I choosed a Jamod library. I know the number of lines etc, its just the part of storing each of the variables into a usable format for this WriteMultipleRegistersRequest function to use, I am having problems with. Mb Serial Master Query Modbus RTU is an open, serial (RS-232 or RS-485) protocol derived from the Master/Slave architecture. Using protocol Modbus, I need to emulate simple 'slave' and 'master' and exchange the data between them. I have the program reading in each line of the file, and breaking the line up into variables. Basically I am just wondering if anyone knows of anywhere there is a specific example of using the 'WriteMultipleRegistersRequest' function/method/class etc, that would be great. I cant find any examples of write multiple registers either.
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