Modbus RTU485-2

[David]

You should really use a profile here

You have an issue with multiplier, there should be a dot separator instead of comma:

Code:

grp.update('32/2/1', res101*0.01)

There's an optional third argument for readregistervalue - word/byte swap. Default value is w. More info here: http://openrb.com/docs/modbus.htm

Code:

res103 = mb:readregistervalue(3, "uint32", "n")

In this case we need to use scripting instead of profile because we're already using profile for RS485-1 modbus communication with a different baud rate. 

Appart from these issues, is the script ok?
Is it correct to use os.sleep into the script?

Thanks,