Build your SCADA application to read and display analog inputs from Arduino

Visual IoT Studio is a work in progress…. if you want to download and test it please contact with me at the contact page First of all we need to upload an apropiated sketch to your Arduino. OPC library provides a generic sketch that publish all the input/output of an Arduino. Please, download the latest OPC …

Easty test of your OPC sketch using Arduino YÚN

This time we will see how to test our sketch to operate with the Arduino YÚN. First of all we could load an OPC Example as Random_yun sketch for test its operation. Note the IP address of the Arduino YÚN Wireles network (192.168.1.5 in this case) and the declared item in the sketch. Now you …

Arduino Modbus RTU server

At this time we have to learn how to use the Modbus protocol with the Arduino/Genuino UNO as a slave (server). The device will be connected using the virtual serial port under the USB connection and the PC will act as the client asking to the Arduino device slave to populate information about the digital …

How to comunicate using Arduino and firmata protocol

First of all you should upload the StandardFirmata Arduino sketch using the Arduino IDE Open Visual IoT Studio and add the Arduino Firmata component. Set the COM port and update rate. Double click Arduino Firmata component and press the wizard to retrieve automatic pin configuration. Put a generic installation component Connect the Arduino Firmata component …

WinCC and Arduino

First of all I want to greet to Sergey Kopylov for share his knowledge to build this tutorial. Thank you Sergey!!! Hardware and Software used Hardware Software Creating the WinCC Project now we need to add the OPC Driver The OPC drivers is provided by WinCC and you can find it in the WinCC “bin” folder …

Connect to Arduino OPC server using Matrikon OPC Explorer

First you have to download Matrikon OPC Explorer from http://www.matrikonopc.es/products/opc-desktop-tools/opc-explorer.aspx Once installed, execute it and try to browse your Arduino OPC Server. If Arduino OPC Server is not shown then maybe you need to configure Matrikon OPC Server to find it. Go to Options and configure Matrikon OPC Server to search for OPC Servers from the …

Easy test of your OPC sketch

This time we will see how to test our sketch to operate with the Arduino OPC Server. First of all we could load an OPC Example or use our sketch for test its operation. In the next picture we can see how OPC items are declared. These items will be available from our OPC Server …

Testing Arduino OPC Server usign dOPC Explorer

First you have to download it from http://www.dopc.kassl.de/explorer.shtml Once installed, execute it and start to add your OPC Servers. Select the Arduino OPC Server from all OPC Servers installed in your machine Once selected you can connect to it so it will start running and start to comunicate with your Arduino (if it were well configurated …