modbus_unsigned_to_signed(unsigned_data)
Features
When using Modbus protocol, this is a command to convert 2 bytes unsigned data into signed data.
Parameter
Parameter Name | Data Type | Default Value | Description |
|---|---|---|---|
unsigned_data | int | - | 2byte unsigned data(0~65535) |
Return
Value | Description |
|---|---|
signed_data | 2byte signed data(-32769 ~ 32767) |
Exception
Exception | Description |
|---|---|
DR_Error (DR_ERROR_TYPE) | Parameter data error occurred |
DR_Error (DR_ERROR_VALUE) | Parameter value is invalid |
DR_Error (DR_ERROR_RUNTIME) | C Extension module error occurred |
DR_Error (DR_ERROR_STOP) | Program terminated forcefully |
Example
PY
unsigned_data = 40000
signed_data = modbus_unsigned_to_signed(unsigned_data)