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straccio80
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PostPosted: Thu Jan 24, 2019 5:47 pm |
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Joined: Sun Mar 22, 2015 11:38 am
Posts: 14
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Hi,
I'm trying to read analog inputs on a Modbus RTU device.
The COM Port doesn't work.
I added the SysCom in CODESYSControl_User.cfg.
Any suggestion?
Best Regards
Thanks
Straccio80
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KevinR
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PostPosted: Fri Jan 25, 2019 9:17 am |
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Joined: Tue Jun 28, 2016 2:45 pm
Posts: 65
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Hi Straccio80,
did you try Com Port number 2 in codesys. Because Com port 1 is used for the rs232 console port.
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_________________ Building & Process Automation with HVAC Library for CODESYS© - www.hvac-automation.com
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straccio80
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PostPosted: Fri Jan 25, 2019 9:41 am |
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Joined: Sun Mar 22, 2015 11:38 am
Posts: 14
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Hi KevinR,
I Tried, it's the same.
Thank you for replying.
Best Regards
Straccio80
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straccio80
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PostPosted: Thu Feb 07, 2019 10:25 am |
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Joined: Sun Mar 22, 2015 11:38 am
Posts: 14
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Hi,
i fixed the problem.
In CODESYSControl_User.cfg i setted
[SysCom]
Linux.Devicefile=/dev/ttyUSB
instead of
[SysCom]
Linux.Devicefile=/dev/ttyRS485
and it's working fine.
Best regards
Straccio80
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