serhmarch
Address number changed by 1
I do not exactly know it changed.
But i put in a lot of adres numbers. Checked with modbus mechanic to verify if the responses is at the right adres. After saving . And starting te program the adres is moved bij 1. And i do not know how to change it.
Hello.
Can you provide more information, e.g. screenshot before and after?
Can I get the file you saved? It is *.pjc (for client project) or *.pjs (for server project)
Version 0.4.6. here, compiled today, Linux
Experiencing the same thing, actually there are more offset-by-1 errors:
When editing items (takes some time to figure out that by address 0x/1x/... you actually mean FUNCTION CODE) you choose 0x for function code 1, 1x for function code 2 etc.
You choose address 3300 and a query for address 3299 is sent. So if you want to query address 3300, you need to define 3301.
Hello @rico666.
When editing items (takes some time to figure out that by address 0x/1x/... you actually mean FUNCTION CODE) you choose 0x for function code 1, 1x for function code 2 etc.
No. 0x, 1x, 3x and 4x it is never a FUNCTION CODE, it is a MEMORY ID. It is an old Modicon notation used from 1980s in its old PLC programming software called Modsoft (and then Concept).
And yes, it is 1-based!
If you want to switch to 0-based address notations, use menu Tools/Settings/View/Modbus adr. notation.
More details about addressing: https://github.com/serhmarch/ModbusTools?tab=readme-ov-file#memory-item-addressing