Difference between revisions of "Component: Thermocouple (MAX31855) (Environmental)"
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==Detailed description== | ==Detailed description== | ||
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==Examples== | ==Examples== | ||
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties''' | ||
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| colspan="2" | Specified at the end of the MAX part number MAX31855X where X is the Thermocouple type. Selects which type of thermocouple the IC works with. | | colspan="2" | Specified at the end of the MAX part number MAX31855X where X is the Thermocouple type. Selects which type of thermocouple the IC works with. | ||
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| colspan="2" | Chip Select / Slave Select Pin Master Mode: General purpose output pin used to select the remote SPI device. Slave Mode: Hardware chip select pin input used to select the SPI device. | | colspan="2" | Chip Select / Slave Select Pin Master Mode: General purpose output pin used to select the remote SPI device. Slave Mode: Hardware chip select pin input used to select the SPI device. | ||
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Latest revision as of 17:23, 9 November 2022
| Author | Matrix TSL |
| Version | 1.0 |
| Category | Environmental |
Contents
Thermocouple component
Component to interface the MAX31855 IC from MAXIM. Uses a standard 3-wire SPI interface to connect to the IC and collect the temperature. IC available in different versions to suit different thermocouple types.
Component Pack
SENSORS
Detailed description
No detailed description exists yet for this component
Examples
Example program showing how to use the Thermocouple component.
MAX31855_Example
Downloadable macro reference
|
ReadReference_Int |
| Returns the reference temperature from the last sample as an integer value in Degrees C. | |
 - INT
|
Return |
|
|
ReadReference_Float |
| Returns the reference temperature from the last sample as a floating point value in Degrees C. | |
 - FLOAT
|
Return |
|
|
Sample |
| Reads the memory of the MAX31855 IC and checks for errors. Must be called before any of the Read functions. Returns: 0=OK, 1=Open Circuit, 2=Short GND, 3=Short VCC | |
 - BYTE
|
Return |
|
|
ReadThermocouple_Int |
| Returns the thermocouple temperature from the last sample as an integer value in Degrees C. | |
| - INT
|
Return |
|
|
ReadThermocouple_Float |
| Returns the thermocouple temperature from the last sample as a floating point value in Degrees C. | |
| - FLOAT
|
Return |
|
|
Initialise |
| Configures the SPI bus ready for communications. | |
 - VOID
|
Return |
Property reference
|
Properties |
|
Thermocouple Properties |
|
Thermocouple Type |
| Specified at the end of the MAX part number MAX31855X where X is the Thermocouple type. Selects which type of thermocouple the IC works with. | |
|
|
SPI Properties |
|
|
Channel |
| SPI Channel selector | |
|
|
Prescale |
| Prescale option selector | |
|
MOSI |
| SPI Data Out Pin SDO - Also Known as Master Out Slave In (MOSI) when used in Master mode. | |
|
|
MISO |
| SPI Data In Pin SDI - Also Known as Master In Slave Out (MISO) when used in Master mode. | |
|
|
CLK |
| SPI Clock Pin CLK - The Clock signal is driven by the SPI master. | |
|
|
CS / SS |
| Chip Select / Slave Select Pin Master Mode: General purpose output pin used to select the remote SPI device. Slave Mode: Hardware chip select pin input used to select the SPI device. | |
|
|
Simulation |
|
Simulate Comms |
