Read Math Function - Brainchild PR10 User Manual

ValueRangeLo = -32768;
ValueRangeHi = 32767;
// Step 3: Set value range for scale
//The default of Sensor type in AI1 is set as『Thermocouple K Type』.
// Scale low value is showing "-120", scale high value is showing "1000"
//Please refer to AI configuration for Modbus Scale
ScaleLo = -120;
ScaleHi = 1000;
// Step 4: Execute converted function
AiData = (int)ConvertData(ValueRangeLo,
ValueRangeHi,
ScaleLo,
ScaleHi,
RegData);
// Step 5: Repeat Step 1 to Step 4 for getting another AI data
}

8.3.5 Read Math Function

bool ReadMathData(void)
{
unsigned char MsgBuf[120];
unsigned char i, j;
unsigned char Addr = 1; /* Slave Id */
unsigned short StartRegAdd = 201;
unsigned short RegQuantities = (10*2); // Math data is float type, so each Math value take two
registers
double ScaleLo, ScaleHi, ValueRangeLo, ValueRangeHi;
double RegData, MathData;
// Read register data from remote device
ReadData(Addr, StartRegAdd, RegQuantities, MsgBuf);
// Step 1: Set value range
//The default of Math data type was set as 4 bytes, the value range will be showing between 0 to
//4294967295
ValueRangeLo = 0;
ValueRangeHi = 4294967295;
// Step 2: Set value range for scale
// When the property of "Transformation" in scale was set as disable, the range will be showing
//-2147483648 to 2147483647
// If the property of "Transformation" in Scale was set as "Value" or "Math Channel", please refer to
//Appendix D
ScaleLo = -2147483648;
ScaleHi = 2147483647;
// Step 3: Please refer to the decimal value for the conversion of each
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