![]() ![]() At times like this, you may wonder: Where is the problem with the communication? Is the problem at the SCADA system (Modbus client), the data logger (Modbus server), or somewhere in-between? Normally, the process of setting up the communication between your data logger and SCADA system is smooth, but there are occasions when technicians in the field discover that the data is not arriving at the SCADA system as expected. This is often accomplished by configuring the data logger as a Modbus TCP/IP server, which we discussed in the “How to Access Live Measurement Data Using Modbus” blog article. In this article, I’ll quickly share with you one method that I have found to be both helpful and a time-saver.Ĭampbell Scientific data loggers provide measurement data to SCADA (supervisory control and data acquisition) systems throughout the world. Have you ever set up a Campbell Scientific data logger as a Modbus server and discovered that your data was not arriving at your SCADA system as you expected? You may have quickly realized two things: troubleshooting the communication problem is not an easy task, and there are many different approaches you can take. ![]()
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January 2023
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