![]() Omron OPC server providing third-party OPC client HMI/SCADA applications connectivity to Omron PLCs, Omron other PLCs and networks.So, when an OPC client is connected to the OPC server, the HMI package freely exchanges data. Vendors, such as Omron, have created reliable OPC server that support their networks. This OPC client can interface to any OPC server on the market. Now, an HMI vendor can create a single OPC client interface for their software. The OPC standard was created to solve this problem. This created a product development and support nightmare. ![]() ![]() In the past this meant that each HMI vendor had to create multitude of drivers and driver interfaces to their products. HMI and SCADA applications communicate with control networks using drivers designed to different vendor specifications.
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