Modscan32 Manual

  

Using modscan32 and a usb adapter for rs485 I can read the correct value, but with arduino and this library the read value is different. According to the manual address 30002 is read as inputRegister. I'm using the mega arduino and the RS-485 TTL MODBUS converter I am using the IFC050 flow sensor (modbus manual link below) look at page 12. This manual represents a composite technical description of the applications offered by WinTECH Software to support data acquisition and manipulation using the modbus communications protocol. Some ModScan32 Screens: Although the above exercise demonstrates basic operation, it is even more useful to use an applet that is more industry standard (and possibly less self-serving!). We have selected ModScan for this purpose due to its ubiquity and flexibility. It will allow you to examine registers and data types.

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Thread Starter

Deepak Bhopatkar

I am a newbie to Modbus as well as Modscan32. I am writing test script for modbus slaves. Write register from script below works, however Read multiple Holding Register with verification of data returned in the script below does not work. Please help me locate problem with the Read script line. I have tried to adhere to modscan example script format.
//my write and read modscan32 script
write register,1,6,38,1,3000,R
write register,1,6,37,1,40,R
Read register,1,3,37,2,40,3000,T
end
Thanks in advance.
Deepak Bhopatkar
dbhopatkar [at] lexon.in

ControlPak.zip (1252K)
(ControlPak contains the complete modbus application suite, minus the two ocx controls.)

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