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# modbus_set_float
## Name
modbus_set_float - set a float value from 2 registers
## Synopsis
```c
void modbus_set_float(float f, uint16_t *dest);
```
Warning, this function is *deprecated* since libmodbus v3.2.0 and has been
replaced by *modbus_set_float_dcba()*.
## Description
The *modbus_set_float()* function shall set a float to 4 bytes in Modbus format
(ABCD). The `dest` array must be pointer on two 16 bits values to be able to
store the full result of the conversion.
## Return value
There is no return values.
## See also
- [modbus_get_float](modbus_get_float.md)
- [modbus_set_float_dcba](modbus_set_float_dcba.md)
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