Difference between revisions of "Component: Thermocouple (MAX31855) (Environmental)"

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==Thermocouple component==
 
==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 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.
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==Component Pack==
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SENSORS
  
 
==Detailed description==
 
==Detailed description==
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==Examples==
 
==Examples==
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:]] -  
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-s16-icon.png]] - INT
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:]] -  
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-f32-icon.png]] - FLOAT
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:]] -  
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-s16-icon.png]] - INT
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:]] -  
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-f32-icon.png]] - FLOAT
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
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| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
 
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
 
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''  
 
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''  
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| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
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| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Thermocouple 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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| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
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| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | SPI Properties
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| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
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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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| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
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| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
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| width="90%" | Console Data
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| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
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| colspan="2" | Selects if the console data is automatically generated or not 
 
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| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
 
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| width="90%" | Scope Traces
 
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| colspan="2" | Selects if the scope traces are automatically generated or not 
 
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| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
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| width="90%" | API
 
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| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-conn-icon.png]]
 
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Connections'''
 
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| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-conn-icon.png]]
 
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Simulations'''
 
 
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Latest revision as of 17:23, 9 November 2022

Author Matrix TSL
Version 1.0
Category Environmental


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. FC6 Icon.png MAX31855_Example

Downloadable macro reference

Fc9-comp-macro.png ReadReference_Int
Returns the reference temperature from the last sample as an integer value in Degrees C. 
Fc9-s16-icon.png - INT Return


Fc9-comp-macro.png ReadReference_Float
Returns the reference temperature from the last sample as a floating point value in Degrees C. 
Fc9-f32-icon.png - FLOAT Return


Fc9-comp-macro.png 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 
Fc9-u8-icon.png - BYTE Return


Fc9-comp-macro.png ReadThermocouple_Int
Returns the thermocouple temperature from the last sample as an integer value in Degrees C. 
Fc9-s16-icon.png - INT Return


Fc9-comp-macro.png ReadThermocouple_Float
Returns the thermocouple temperature from the last sample as a floating point value in Degrees C. 
Fc9-f32-icon.png - FLOAT Return


Fc9-comp-macro.png Initialise
Configures the SPI bus ready for communications. 
Fc9-void-icon.png - VOID Return



Property reference

Fc9-prop-icon.png Properties
Fc9-conn-icon.png Thermocouple Properties
Fc9-type-16-icon.png 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. 
Fc9-conn-icon.png SPI Properties
Fc9-type-16-icon.png Channel
SPI Channel selector 
Fc9-type-16-icon.png Prescale
Prescale option selector 
Fc9-type-5-icon.png MOSI
SPI Data Out Pin SDO - Also Known as Master Out Slave In (MOSI) when used in Master mode. 
Fc9-type-5-icon.png MISO
SPI Data In Pin SDI - Also Known as Master In Slave Out (MISO) when used in Master mode. 
Fc9-type-5-icon.png CLK
SPI Clock Pin CLK - The Clock signal is driven by the SPI master. 
Fc9-type-5-icon.png 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.  
Fc9-conn-icon.png Simulation
Fc9-type-7-icon.png Simulate Comms
 
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