Configuration of modbus
DEAR Sir,
I have configure my FSCA-01 modbus card of VFD ABB 850 with ABB800xA DCS modbus sucessfully. I am in trouble that DCS read only 16 Bit length real value and not read 32 Bit length real value. when i give (MW10#16) give real value of 16 bit but when give 32 bit error show "Illegal value data" . What could i do in programming ?
Asked 2 years ago
Answers
0
Modbus can only read/write 16 bit words
Words_to_real() converts 2 * 16Bit words to a 32 bit IEEE floating point number.
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