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Entries for 'Furqan Ayub'

WinCC Comfort/Advanced HMI Heartbeat
Furqan Ayub

WinCC Comfort/Advanced HMI Heartbeat

WinCC Advanced provides a way to monitor the heartbeat of the HMI through an area pointer called coordination word. PLC can monitor this life bit and find out when the HMI gets disconnected. This blog shows you how to monitor the HMI life bit on a Siemens PLC. Create a data block variable of type Word called wCoordinationWord and open HMI connections in Portal. After you select the HMI connection that is linked to your PLC, select the area pointer tab. Enable the Coordination area point...

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How to Use MatrikonOPC Server with a Siemens PLC
Furqan Ayub

How to Use MatrikonOPC Server with a Siemens PLC

MatrikonOPC Server allows you to connect OPC clients like HMIs, SCADA systems, and other custom applications to a wide range of Siemens PLCs (S7-200, S7-300, S7-1500, etc.) via Ethernet.  This blog shows you how to configure a Siemens S7-300 PLC in MatrikonOPC Server to connect to an HMI or any other OPC client.   Configuring a Siemens PLC Channel One of the benefits of using MatrikonOPC Server is easy, step-by-step configuration through the Siemens PLCs Configuration Wizar...

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LCD Paint with Nokia 3310 screen and 8051 Microcontroller
Furqan Ayub

LCD Paint with Nokia 3310 screen and 8051 Microcontroller

Engineers at DMC often tend to have fun tech hobbies to work on in their spare time. I worked on such a project a couple years ago and wanted to share it on our blog. I came across this webpage while looking for cool LCD projects: Connect Nokia LCD to LPT port This particular person had connected a Nokia 3310 LCD to a computer’s parallel port and written a PASCAL program to draw on the LCD screen using his mouse. Upon reading this I thought - why not do this with a microcontroller ...

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