Improved control and monitor two different PLC using LabVIEW and NI-OPC server

Ignatius Deradjad Pranowo, Dian Artanto


This paper proposes an improved control and monitor between two different controllers in this test case used, the Mitsubishi and Omron Programmable Logic Controller (PLC). The main advantage is interoperability and communication between both PLC. The use of National Instrument OLE for Process Control Server (NI OPC Server) as the software interface reached interoperability and communication. There was developed and experimented two field applications, namely bottle unscrambling and bottle filling, test interoperability between two different controllers. Laboratory Virtual Instrument Engineering Workbench (LabVIEW) uses as the software application for creating the user interface to control and monitor both field devices. This improvement show OPC Server technology solves data compatibility issue between different driver controllers different manufacturers and reducing development cost. The software interface used can handle communication between different PLCs. Regardless of whether there are more than two different PLCs, it's enough to use the NI OPC Server. So the benefit of NI OPC Server is not limited to two types of PLC used right now but can also use the other manufacturers. In addition, the improvement of the previous study is the use of the LabVIEW program makes data from the OPC Server displayed and visualized more realistic. The use of LabVIEW allows additional monitoring functions, one of which is LabVIEW Vision. The development of control and monitoring on the field application will be better with this additional feature. Data utilization becomes more flexible, and so it can use for more complex purposes. It is envisaged that this is very useful for the Integrator engineer to implement this method in manufacturing or industrial automation.


LabVIEW; NI OPC server; PLC;

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International Journal of Electrical and Computer Engineering (IJECE)
p-ISSN 2088-8708, e-ISSN 2722-2578