Component: RTD (MAX31865) (Environmental)
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Jump to navigationJump to search| Author | Matrix TSL |
| Version | 1.0 |
| Category | Environmental |
Contents
RTD (MAX31865) component
Component to interface the MAX31865 RTD-to-digital converter IC. Uses a standard SPI interface to connect to the IC and measure RTD resistance / temperature. Compatible with PT100 and PT1000 temperature sensors.
Version information
Library Version, Component Version, Date, Author, Info 1, 1.0, 23-12-24, BR, Initial MAX31865 RTD component implementation
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Macro reference
AutoConvert
|
AutoConvert |
| Enables or disables automatic continuous conversion. | |
 - BYTE
|
Enable |
| 0 = One-shot, 1 = Continuous | |
 - VOID
|
Return |
ClearFault
|
|
ClearFault |
| Clears any latched fault flags in the MAX31865. | |
| - VOID
|
Return |
EnableBias
|
|
EnableBias |
| Enables or disables the MAX31865 bias current. | |
| - BYTE
|
Enable |
| 0 = Off, 1 = On | |
| - VOID
|
Return |
Initialise
|
|
Initialise |
| Initialises the SPI bus and basic MAX31865 configuration. | |
| - VOID
|
Return |
ReadFault
|
|
ReadFault |
| Reads the MAX31865 fault status register. | |
| - BYTE
|
Return |
ReadTemperature
|
|
ReadTemperature |
| Performs a sample and returns temperature in Degrees C. | |
 - FLOAT
|
Return |
Sample
|
|
Sample |
| Performs a single MAX31865 conversion and returns the raw sensor reading. | |
 - UINT
|
Return |
SetNotchFilter
|
|
SetNotchFilter |
| Sets the notch filter to 50Hz (1) or 60Hz (0). | |
| - BYTE
|
Mode |
| 0 = 50Hz, 1 = 60Hz | |
| - VOID
|
Return |
SetWires
|
|
SetWires |
| Sets the RTD wiring mode (2/3/4-wire). | |
| - BYTE
|
Wires |
| 2, 3 or 4 wires | |
| - VOID
|
Return |
Property reference
|
Properties |
|
RTD Properties |
|
RTD Type |
| Selects the RTD type used with the MAX31865. | |
|
Reference Resistor (Ohms) |
| Reference resistor value used on the MAX31865 breakout (default 430 Ohms). | |
|
|
Notch Filter |
|
Bias Current |
|
|
Auto Convert |
|
|
RTD Wiring Mode |
|
|
SPI Properties |
|
|
Channel |
| SPI Channel selector | |
|
|
Prescale |
| Prescale option selector | |
|
MOSI |
| SPI Data Out pin (MOSI). | |
|
|
MISO |
| SPI Data In pin (MISO). | |
|
|
CLK |
| SPI Clock pin (SCK). | |
|
|
CS / SS |
| Chip Select / Slave Select pin used to enable the MAX31865. | |
Component Source Code
Please click here to download the component source project: FC_Comp_Source_ThermocoupleMAX31865.fcfx
Please click here to view the component source code (Beta): FC_Comp_Source_ThermocoupleMAX31865.fcfx
