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How to fix Modbus communication issue on Flair 23DM

Products concerned
Flair 23DM – réf. EMS58355, with firmware version lower than V2.01

Issue description
The Modbus communication is not working when :
  • network frequency parameter is set to Auto (Automatic detection)
  • and the bus speed is set to Auto-Mode



Solutions
  •   Without firmware update
Don't set the network frequency parameter to Auto, set the parameter to the current network frequency.


 
  • With firmware update
Update your product with firmware version V2.01 or higher.




 
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