i am sorry..
To read register 403073 , and assuming that the device has ID = 02 and has an lan port, and ip address ="192.168.10.130".
then correct the below modbus tcp/ip rtu command? but i can not recieve at all.
no ascii. i want to communicate thru modbus tcp/ip rtu
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PRINT #4 "<RemoteFS 192.168.10.130:502>"
PRINT #4 READMODBUS (4,2,3072)
PRINT #4 "</>"
delay(200)
FOR I = 1 to 10000
A$ = INPUT$(4)
IF LEN(A$) <> 0 RETURN: ENDIF
NEXT
IF LEN(A$)=0
SETLCD 3,1, "Fail to Synchronize"
PRINT #4 "</REMOTEFS>"
RETURN
ENDIF
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i can communicate thru modbus rtu(serial)
port #11(rtu), but port #1(ascii)---rs232
port #13(rtu), port # 3(ascii)-rs 422