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Sensoray Model 118 Smart A/D™ Instruction Manual 24 Commands: Sensor Acquisition

6.3.3 GetAmbientTemp

Returns the temperature from an optional Smart A/D™

termination board such as Model 7409TB, 7409TF or

7409TC.

The returned temperature value is scaled to 0.10 °C/bit.

If no Sensoray termination board is connected to the

Smart A/D™, the GetAmbientTemp command will

return a meaningless value.

Useful for monitoring the ambient temperature at

thermocouple reference junctions, this function is also a

good debugging aid during Smart A/D™ installation.

Driver

// Return the ambient temperature in degrees C.

DOUBLE GetAmbientTemp( USHORT BasePort )

{

SendByte( BasePort, CMD_GET_AMBIENT );

return (DOUBLE) ReadWord( BasePort ) * 0.10;

}

Example

// Get the ambient temperature in degrees F.

DOUBLE AmbientDegF = GetAmbientTemp( MyBasePort ) * 1.8 + 32.0;

Command: (64)

Response: (TemperatureMSB),(TemperatureLSB)

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Sensoray 118 Manuel d'utilisateur Page 26