function 03 holding register read problem

[mert]

I read Data coming from PLC
with function 03 Holding registers

When I look at it from PLC, it says 235
but when reading with Profilab, i read the same value 355. my operating system win7 32bit.

[Müllmann]

Depend on the first number 0 or 1 of beginning of holding registers you use the wrong register ? Try the register n-1 and n+1 of actual number n and compare the results.

[mert]

plc modbus adress table

2.JPG (57.4 KiB) 9341 mal betrachtet

[abacom]

Did you follow "Müllmann"s advice? Addresses may be "1"-based or "0"-based unfortunately, which quite often leads to confusion. Latest update installed?

Try the register n-1 and n+1 of actual number n and compare the results.

Please try 4156 and 4158 and then come back with your report.

[mert]

Update 22.01.2020 The problem started when I installed it.
then the problem was solved when installing Update 05.02.2020

05.02.2020 update, this work has done a work, I think you need it.

[abacom]

Thanks for your feedback.