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OPC UA Driver
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<p class="text-white link-nav"><a href="/components-for-industry/application-services-and-middleware/io-toolkit/">I/O Toolkit</a><span class="lnr lnr-arrow-right"></span><a href="/components-for-industry/application-services-and-middleware/io-toolkit/opc-ua-driver">OPC UA Driver</a></p>
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<h4>OPC UA driver development for vf-OS</h4>
<p>
Easy use to develop drivers based on layers and libraries.
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<h4>Provides Storage and Computation</h4>
<p>
Data can be stored at the edge (driver storage) and values retrieved can be computed before sending them to the vf-OS
platform.
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<p>
Provides a set of scripts to debug drivers.
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<h4>Customisable and Extensible</h4>
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The existing code can be extended with new functionality and customised thanks to proprietary parameters.
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<h2>OPC UA Driver</h2>
<br>
<p>
The OPC UA driver provides a vf-OS compliant implementation of the node-opc ua JavaScript driver.
The driver implements the vf-OS driver API supporting:
</p>
<ul class="fa-ul">
<li><i class="fa-li fa fa-square"></i><em>readSensorData:</em> retrieving Boolean, integer, double, and string values from sensors according to a server path and a sensorProprietaryId identifying the node within an OPC UA space.</span> </li>
<li><i class="fa-li fa fa-square"></i><em>sendCommand:</em> allows writing values on an OPC UA node.</span></li>
<li><i class="fa-li fa fa-square"></i><em>subscribe:</em> subscribe to a sensor so that when changes occur to its value, the new value is sent to the vf-OS platform.</span></li>
<li><i class="fa-li fa fa-square"></i><em>getDriverMetadata:</em> adds support to a range of proprietary parameters such as URL connections, subscription specific parameters, and security policies and certificates.</span></li>
</ul>
<p>
The OPC UA driver provides certificate security mechanisms and admits the configuration with properly configured own certificates.
The OPC UA driver is based on node-opc ua JavaScript library. Proprietary parameters can be changed when editing the device or sensors using the Driver Manager UI.
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<h6>About vf-OS</h6>
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