Ewon Technical Forum

Hello,

I currently have a Flexy205 polling data via BACNET into approx. 250 tags. I am then publishing 14 of the tags via MODBUS/TCP. The strange thing is when I connect with a MODBUS client to read the 14 published tags, not all the data is being published. My response doesn't show any errors but registers that should have a value are showing 0, please see atached screenshots. 

I am not sure where to start looking in order to resolve this issue. Is there a way to see the MODBUS registers in the Flexy?

Thanks for any help,

Sean

Sean,

Two ideas :
1. I see the Tag you publish is set to Float.
Can you check the option "Use 32 bit format" next to your Modbus Tag settings and then try to read the tag as a Float in your Modbus simulator.

2. Your Tag is an "Analog Input", so it may be seen as a Read-only tag. So in this case, you must use the function code 4 "Read Analog Input"

Simon

(05-02-2021, 12:12 PM)simon Wrote: [ -> ]Sean,

Two ideas :
1. I see the Tag you publish is set to Float.
Can you check the option "Use 32 bit format" next to your Modbus Tag settings and then try to read the tag as a Float in your Modbus simulator.

2. Your Tag is an "Analog Input", so it may be seen as a Read-only tag. So in this case, you must use the function code 4 "Read Analog Input"

Simon

Thanks Simon, that seemed to fix my issue