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Hi,
I'm newbie in the Codesys world , I've in mind a project and I would like to know if the project is possible.
With my pi I want to drive 8 motors through Ethercat every 5ms.
I need to have 2 UDP port (eth) and a wifi udp to communicate with my computer, I would like to add an tiny 2"5 screen (I2C or SPI) to show some information .
Do you think this project is feasible ?
I've a pi 4 and the last codesys software.
Thanks for your help.
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Hi,
we've moved the topic to - CODESYS V3 Runtime.
Welcome to the CODESYS community.
Sure from performance view PI4 will work for this.
For EtherCAT and SoftMotion you will need a realtime patched Linux kernel ( for using distributed clocks which is mandatory for SoftMotion) - I would recommend to use Raspberry PI MC (Multicore)
You need to think about if this is a 'industrial enough' solution but this depends on your requirements.
According the display:
A really good option is the 7" Raspberry PI original multitouch capable display. (https://www.raspberrypi.org/products/raspberry-pi-touch-display/)
This works out of the box and I guess not really much more expensive than if you go with a 2,5" SPI Display. ( Sure it cost more but you could use it as full screen web visualisation , which look and feels like a full HMI)
Which EtherCAT drive would you chose?
Regards
Edwin
Last edit: eschwellinger 2020-10-02
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Hi eschwellinger,
Thanks for the tips.
I don't know which driver I will use, I'm still looking around all the details to see if the project is feasible.
I wonder if there is a way to use the CANOPEN with the pi , I've some driver with CanOpen capabilities.
Like this I can make my prog with CanOpen at first goal.
Is it possible to have an embedded WebServer with Codesys ?
Thanks
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
Hi,
I'm newbie in the Codesys world , I've in mind a project and I would like to know if the project is possible.
With my pi I want to drive 8 motors through Ethercat every 5ms.
I need to have 2 UDP port (eth) and a wifi udp to communicate with my computer, I would like to add an tiny 2"5 screen (I2C or SPI) to show some information .
Do you think this project is feasible ?
I've a pi 4 and the last codesys software.
Thanks for your help.
Hi,
we've moved the topic to - CODESYS V3 Runtime.
Welcome to the CODESYS community.
Sure from performance view PI4 will work for this.
For EtherCAT and SoftMotion you will need a realtime patched Linux kernel ( for using distributed clocks which is mandatory for SoftMotion) - I would recommend to use Raspberry PI MC (Multicore)
You need to think about if this is a 'industrial enough' solution but this depends on your requirements.
According the display:
A really good option is the 7" Raspberry PI original multitouch capable display. (https://www.raspberrypi.org/products/raspberry-pi-touch-display/)
This works out of the box and I guess not really much more expensive than if you go with a 2,5" SPI Display. ( Sure it cost more but you could use it as full screen web visualisation , which look and feels like a full HMI)
Which EtherCAT drive would you chose?
Regards
Edwin
Last edit: eschwellinger 2020-10-02
Hi eschwellinger,
Thanks for the tips.
I don't know which driver I will use, I'm still looking around all the details to see if the project is feasible.
I wonder if there is a way to use the CANOPEN with the pi , I've some driver with CanOpen capabilities.
Like this I can make my prog with CanOpen at first goal.
Is it possible to have an embedded WebServer with Codesys ?
Thanks
Hi,
EtherCAT is a lot easier to do on Pi.
Webserver ist by Default available in all 'Single license' SL products from CODESYS Store.
Last edit: eschwellinger 2020-10-02
I've allready a system with CanOpen , so It will be easier to test.
There is lot of board with mcp2551 for raspberry