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| hardening Arduino IO for industrial use |
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| snarkysparky:
I need to use an Arduino mega 2560 for a piece of lab equipment. But CPU IO is not hardened enough for running IO around a machine I believe. So I need an interface board to buffer the IO. I don't want to build it myself, so does anyone know a source to buy this. Why is it not a commonly available thing. All it needs to be is some ULN2003 buffers on input and output with relays. And no i can't change to another platform. So sorry for the XY question. |
| paf:
You can buy one rugged Arduino Mega from here: https://www.rugged-circuits.com/10-ways-to-destroy-an-arduino/ |
| tsman:
There are several of them around. Search for "Arduino PLC shield" e.g. https://www.industrialshields.com/shop/category/ethernet-plc-1 Won't be cheap though. [edit]Linked to the wrong one. The Ethernet models have a ATmega2560 inside. The 20 I/O ones have a ATmega32u4 inside.[/edit] |
| Kalin:
--- Quote from: tsman on January 18, 2019, 03:30:38 pm ---There are several of them around. Search for "Arduino PLC shield" e.g. https://www.industrialshields.com/shop/category/20-i-os-plc-2 Won't be cheap though. --- End quote --- As someone who uses PLC's in industrial regularly. Those are an order of magnitude cheaper than a real PLC. Sent from my SM-G965W using Tapatalk |
| coromonadalix:
I use some plc too, but i've seen some very well made arduino shields, with opto coupled inputs outputs, current llimited / input protection diodes The given link : https://www.industrialshields.com/shop/category/20-i-os-plc-2 Is a very good implementations, and multiple communication protocols This one too: https://www.controllino.biz/ The paf memeber link is very good : https://www.rugged-circuits.com/products/ it will give you the basics The plc shield seems very well tought and tested, you can stack two of them Finally the opened source project : http://www.openplcproject.com/ Getting started : http://www.openplcproject.com/getting-started-arduino An engineer at my job told me this link, he's adding up this system to a filament mahine we use 24/24h ??? Other open source infos and coding ? : https://www.open-electronics.org/arduino-as-a-programmable-logic-controller-plc/ |
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