How can I write the value of floats Unitronics vision230 PLC with modbus Ethernet

How can I write the value of type Float in unitronics PLC Vision230 modbus ethernet (Ethernet Master Query.vi MB) usinsg I read and write register 32 bits, for example, I want to write the value 23.45 2nd Add. MF. And registry MF is the 32-bit registry. I read and write register 32-bit.

Narendra.

Narendra,

Two characters can type cast into a uint16 you VI supports.

To summarize. Take one (4 bytes). Flatten it to a string (4-byte) divided this string into two parts of 2 bytes each. Cast in u16 (16 x 2 = 32-bit).

However, if you really want to follow the IEEE standards then you will need refer this KB. His is not that simple, but seems closer to what you are looking for.

Amit

Tags: NI Software

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