Questions about Modbus communication
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Three vortex flowmeters that can output Modbus RTU. Currently, three vortex flow meters have been converted to TCP format and connected to the system, but communication issues arose as shown in the image. I would like to ask the more experienced experts: is this caused by something not being set up properly in a certain area?
Try reading it directly with modscan; if that works, it’s most likely a protocol conversion issue
Change the data type: integer, floating-point
I think it’s probably the same issue; the values displayed on the gauge are floating-point numbers
It’s probably a protocol issue – how to convert RTU to TCP, the terminal server? The data source is in RTU format, so it should be used in RTU format locally as well, right?
This post was last edited by mutianly on 2023-12-18 08:12. There’s an issue with the data type. Check what type it is in the flow meter.
This post was last edited by mutianly on 2023-12-19 08:05. Isn’t this MODSCAN? One needs to provide an answer to them. There is a row in the software where you can change the data type; try changing it. Communication is working now, but the data type is incorrect.