Elias20 (Customer) asked a question.
Is it possible to use an lcd screen to visualize data coming from the plc. I don't want to use an hmi because I only need visualization and I wanted to know if it was possible?
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Hi Elias20
You would still need something to communicate to the PLC.
The easiest method to do this is to get a Headless HMI and add a TV screen or monitor with an HDMI port.
https://www.automationdirect.com/adc/shopping/catalog/hmi_(human_machine_interface)/c-more_touch_panels_ea9_series/c-more_ea9_series_touch_panels/ea9-rhmi
I hope this helps you out.
Regards,
Garry
https://accautomation.ca/series/c-more-hmi-series-panel/
It depends on what you want to display. I've used a number of different small serial character displays with RS232 that work well. You jut sneed a Click with a serial port. No handshaking needed.
https://www.matrixorbital.com/matrix-orbital/economy-display/mos-al202c?mfp=35-display-type%5BCharacter%20LCD%5D
If you're handy with python I have used PyModbus to pull data from a PLC and matplotlib to display data on a live updating graph. If you're not needing a graph there is also tkinter to make a simple gui.
Edit
I forgot to mention that there is also PyQt for creating a GUI. It has been a while since I played with it but there is a software called Qt Designer that you create your gui and it helps generate your code