✨ MAX31865 Bed settings

MarlinFirmware/Marlin#27611 Co-Authored-By: ellensp <[email protected]>
MarlinFirmware · Jan 9, 2025 · 6e2a97d · 6e2a97d
1 parent 2bc53e0
commit 6e2a97d
Show file tree

Hide file tree

Showing 754 changed files with 3,393 additions and 1,131 deletions.
diff --git a/config/default/Configuration.h b/config/default/Configuration.h
@@ -604,6 +604,10 @@
   #define MAX31865_SENSOR_OHMS_2      100
   #define MAX31865_CALIBRATION_OHMS_2 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(BED)
+  #define MAX31865_SENSOR_OHMS_BED      100
+  #define MAX31865_CALIBRATION_OHMS_BED 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109

diff --git a/config/default/Configuration_adv.h b/config/default/Configuration_adv.h
@@ -174,9 +174,10 @@
  * Thermocouple Options — for MAX6675 (-2), MAX31855 (-3), and MAX31865 (-5).
  */
 //#define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
-//#define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
-//#define MAX31865_SENSOR_WIRES_1 2
-//#define MAX31865_SENSOR_WIRES_2 2
+//#define MAX31865_SENSOR_WIRES_0   2             // (2-4) Number of wires for the probe connected to a MAX31865 board.
+//#define MAX31865_SENSOR_WIRES_1   2
+//#define MAX31865_SENSOR_WIRES_2   2
+//#define MAX31865_SENSOR_WIRES_BED 2
 
 //#define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 //#define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 //#define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 //#define MAX31865_WIRE_OHMS_1              0.0f
 //#define MAX31865_WIRE_OHMS_2              0.0f
+//#define MAX31865_WIRE_OHMS_BED            0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.

diff --git a/config/examples/3DFabXYZ/Migbot/Configuration.h b/config/examples/3DFabXYZ/Migbot/Configuration.h
@@ -605,6 +605,10 @@
   #define MAX31865_SENSOR_OHMS_2      100
   #define MAX31865_CALIBRATION_OHMS_2 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(BED)
+  #define MAX31865_SENSOR_OHMS_BED      100
+  #define MAX31865_CALIBRATION_OHMS_BED 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME          5  // (seconds) Time to wait for hotend to "settle" in M109

diff --git a/config/examples/3DFabXYZ/Migbot/Configuration_adv.h b/config/examples/3DFabXYZ/Migbot/Configuration_adv.h
@@ -174,9 +174,10 @@
  * Thermocouple Options — for MAX6675 (-2), MAX31855 (-3), and MAX31865 (-5).
  */
 //#define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
-//#define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
-//#define MAX31865_SENSOR_WIRES_1 2
-//#define MAX31865_SENSOR_WIRES_2 2
+//#define MAX31865_SENSOR_WIRES_0   2             // (2-4) Number of wires for the probe connected to a MAX31865 board.
+//#define MAX31865_SENSOR_WIRES_1   2
+//#define MAX31865_SENSOR_WIRES_2   2
+//#define MAX31865_SENSOR_WIRES_BED 2
 
 //#define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 //#define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 //#define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 //#define MAX31865_WIRE_OHMS_1              0.0f
 //#define MAX31865_WIRE_OHMS_2              0.0f
+//#define MAX31865_WIRE_OHMS_BED            0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.

diff --git a/config/examples/3DMatik/XL/Configuration.h b/config/examples/3DMatik/XL/Configuration.h
@@ -604,6 +604,10 @@
   #define MAX31865_SENSOR_OHMS_2      100
   #define MAX31865_CALIBRATION_OHMS_2 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(BED)
+  #define MAX31865_SENSOR_OHMS_BED      100
+  #define MAX31865_CALIBRATION_OHMS_BED 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109

diff --git a/config/examples/3DMatik/XL/Configuration_adv.h b/config/examples/3DMatik/XL/Configuration_adv.h
@@ -174,9 +174,10 @@
  * Thermocouple Options — for MAX6675 (-2), MAX31855 (-3), and MAX31865 (-5).
  */
 //#define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
-//#define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
-//#define MAX31865_SENSOR_WIRES_1 2
-//#define MAX31865_SENSOR_WIRES_2 2
+//#define MAX31865_SENSOR_WIRES_0   2             // (2-4) Number of wires for the probe connected to a MAX31865 board.
+//#define MAX31865_SENSOR_WIRES_1   2
+//#define MAX31865_SENSOR_WIRES_2   2
+//#define MAX31865_SENSOR_WIRES_BED 2
 
 //#define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 //#define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 //#define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 //#define MAX31865_WIRE_OHMS_1              0.0f
 //#define MAX31865_WIRE_OHMS_2              0.0f
+//#define MAX31865_WIRE_OHMS_BED            0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.

diff --git a/config/examples/ADIMLab/Gantry v1/Configuration.h b/config/examples/ADIMLab/Gantry v1/Configuration.h
@@ -604,6 +604,10 @@
   #define MAX31865_SENSOR_OHMS_2      100
   #define MAX31865_CALIBRATION_OHMS_2 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(BED)
+  #define MAX31865_SENSOR_OHMS_BED      100
+  #define MAX31865_CALIBRATION_OHMS_BED 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109

diff --git a/config/examples/ADIMLab/Gantry v1/Configuration_adv.h b/config/examples/ADIMLab/Gantry v1/Configuration_adv.h
@@ -174,9 +174,10 @@
  * Thermocouple Options — for MAX6675 (-2), MAX31855 (-3), and MAX31865 (-5).
  */
 //#define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
-//#define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
-//#define MAX31865_SENSOR_WIRES_1 2
-//#define MAX31865_SENSOR_WIRES_2 2
+//#define MAX31865_SENSOR_WIRES_0   2             // (2-4) Number of wires for the probe connected to a MAX31865 board.
+//#define MAX31865_SENSOR_WIRES_1   2
+//#define MAX31865_SENSOR_WIRES_2   2
+//#define MAX31865_SENSOR_WIRES_BED 2
 
 //#define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 //#define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 //#define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 //#define MAX31865_WIRE_OHMS_1              0.0f
 //#define MAX31865_WIRE_OHMS_2              0.0f
+//#define MAX31865_WIRE_OHMS_BED            0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.

diff --git a/config/examples/ADIMLab/Gantry v2/Configuration.h b/config/examples/ADIMLab/Gantry v2/Configuration.h
@@ -604,6 +604,10 @@
   #define MAX31865_SENSOR_OHMS_2      100
   #define MAX31865_CALIBRATION_OHMS_2 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(BED)
+  #define MAX31865_SENSOR_OHMS_BED      100
+  #define MAX31865_CALIBRATION_OHMS_BED 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109

diff --git a/config/examples/ADIMLab/Gantry v2/Configuration_adv.h b/config/examples/ADIMLab/Gantry v2/Configuration_adv.h
@@ -174,9 +174,10 @@
  * Thermocouple Options — for MAX6675 (-2), MAX31855 (-3), and MAX31865 (-5).
  */
 //#define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
-//#define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
-//#define MAX31865_SENSOR_WIRES_1 2
-//#define MAX31865_SENSOR_WIRES_2 2
+//#define MAX31865_SENSOR_WIRES_0   2             // (2-4) Number of wires for the probe connected to a MAX31865 board.
+//#define MAX31865_SENSOR_WIRES_1   2
+//#define MAX31865_SENSOR_WIRES_2   2
+//#define MAX31865_SENSOR_WIRES_BED 2
 
 //#define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 //#define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 //#define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 //#define MAX31865_WIRE_OHMS_1              0.0f
 //#define MAX31865_WIRE_OHMS_2              0.0f
+//#define MAX31865_WIRE_OHMS_BED            0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.

diff --git a/config/examples/Alfawise/U20-bltouch/Configuration.h b/config/examples/Alfawise/U20-bltouch/Configuration.h
@@ -659,6 +659,10 @@
   #define MAX31865_SENSOR_OHMS_2      100
   #define MAX31865_CALIBRATION_OHMS_2 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(BED)
+  #define MAX31865_SENSOR_OHMS_BED      100
+  #define MAX31865_CALIBRATION_OHMS_BED 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109

diff --git a/config/examples/Alfawise/U20-bltouch/Configuration_adv.h b/config/examples/Alfawise/U20-bltouch/Configuration_adv.h
@@ -174,9 +174,10 @@
  * Thermocouple Options — for MAX6675 (-2), MAX31855 (-3), and MAX31865 (-5).
  */
 //#define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
-//#define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
-//#define MAX31865_SENSOR_WIRES_1 2
-//#define MAX31865_SENSOR_WIRES_2 2
+//#define MAX31865_SENSOR_WIRES_0   2             // (2-4) Number of wires for the probe connected to a MAX31865 board.
+//#define MAX31865_SENSOR_WIRES_1   2
+//#define MAX31865_SENSOR_WIRES_2   2
+//#define MAX31865_SENSOR_WIRES_BED 2
 
 //#define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 //#define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 //#define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 //#define MAX31865_WIRE_OHMS_1              0.0f
 //#define MAX31865_WIRE_OHMS_2              0.0f
+//#define MAX31865_WIRE_OHMS_BED            0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.

diff --git a/config/examples/Alfawise/U20/Configuration.h b/config/examples/Alfawise/U20/Configuration.h
@@ -659,6 +659,10 @@
   #define MAX31865_SENSOR_OHMS_2      100
   #define MAX31865_CALIBRATION_OHMS_2 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(BED)
+  #define MAX31865_SENSOR_OHMS_BED      100
+  #define MAX31865_CALIBRATION_OHMS_BED 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109

diff --git a/config/examples/Alfawise/U20/Configuration_adv.h b/config/examples/Alfawise/U20/Configuration_adv.h
@@ -174,9 +174,10 @@
  * Thermocouple Options — for MAX6675 (-2), MAX31855 (-3), and MAX31865 (-5).
  */
 //#define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
-//#define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
-//#define MAX31865_SENSOR_WIRES_1 2
-//#define MAX31865_SENSOR_WIRES_2 2
+//#define MAX31865_SENSOR_WIRES_0   2             // (2-4) Number of wires for the probe connected to a MAX31865 board.
+//#define MAX31865_SENSOR_WIRES_1   2
+//#define MAX31865_SENSOR_WIRES_2   2
+//#define MAX31865_SENSOR_WIRES_BED 2
 
 //#define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 //#define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 //#define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 //#define MAX31865_WIRE_OHMS_1              0.0f
 //#define MAX31865_WIRE_OHMS_2              0.0f
+//#define MAX31865_WIRE_OHMS_BED            0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.

diff --git a/config/examples/AliExpress/CL-260/Configuration.h b/config/examples/AliExpress/CL-260/Configuration.h
@@ -604,6 +604,10 @@
   #define MAX31865_SENSOR_OHMS_2      100
   #define MAX31865_CALIBRATION_OHMS_2 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(BED)
+  #define MAX31865_SENSOR_OHMS_BED      100
+  #define MAX31865_CALIBRATION_OHMS_BED 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109

diff --git a/config/examples/AliExpress/CL-260/Configuration_adv.h b/config/examples/AliExpress/CL-260/Configuration_adv.h
@@ -174,9 +174,10 @@
  * Thermocouple Options — for MAX6675 (-2), MAX31855 (-3), and MAX31865 (-5).
  */
 //#define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
-//#define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
-//#define MAX31865_SENSOR_WIRES_1 2
-//#define MAX31865_SENSOR_WIRES_2 2
+//#define MAX31865_SENSOR_WIRES_0   2             // (2-4) Number of wires for the probe connected to a MAX31865 board.
+//#define MAX31865_SENSOR_WIRES_1   2
+//#define MAX31865_SENSOR_WIRES_2   2
+//#define MAX31865_SENSOR_WIRES_BED 2
 
 //#define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 //#define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 //#define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 //#define MAX31865_WIRE_OHMS_1              0.0f
 //#define MAX31865_WIRE_OHMS_2              0.0f
+//#define MAX31865_WIRE_OHMS_BED            0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.

diff --git a/config/examples/AliExpress/UM2pExt/Configuration.h b/config/examples/AliExpress/UM2pExt/Configuration.h
@@ -604,6 +604,10 @@
   #define MAX31865_SENSOR_OHMS_2      100
   #define MAX31865_CALIBRATION_OHMS_2 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(BED)
+  #define MAX31865_SENSOR_OHMS_BED      100
+  #define MAX31865_CALIBRATION_OHMS_BED 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109

diff --git a/config/examples/AliExpress/UM2pExt/Configuration_adv.h b/config/examples/AliExpress/UM2pExt/Configuration_adv.h
@@ -174,9 +174,10 @@
  * Thermocouple Options — for MAX6675 (-2), MAX31855 (-3), and MAX31865 (-5).
  */
 //#define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
-//#define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
-//#define MAX31865_SENSOR_WIRES_1 2
-//#define MAX31865_SENSOR_WIRES_2 2
+//#define MAX31865_SENSOR_WIRES_0   2             // (2-4) Number of wires for the probe connected to a MAX31865 board.
+//#define MAX31865_SENSOR_WIRES_1   2
+//#define MAX31865_SENSOR_WIRES_2   2
+//#define MAX31865_SENSOR_WIRES_BED 2
 
 //#define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 //#define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 //#define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 //#define MAX31865_WIRE_OHMS_1              0.0f
 //#define MAX31865_WIRE_OHMS_2              0.0f
+//#define MAX31865_WIRE_OHMS_BED            0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.

diff --git a/config/examples/Anet/A2/Configuration.h b/config/examples/Anet/A2/Configuration.h
@@ -604,6 +604,10 @@
   #define MAX31865_SENSOR_OHMS_2      100
   #define MAX31865_CALIBRATION_OHMS_2 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(BED)
+  #define MAX31865_SENSOR_OHMS_BED      100
+  #define MAX31865_CALIBRATION_OHMS_BED 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109

diff --git a/config/examples/Anet/A2/Configuration_adv.h b/config/examples/Anet/A2/Configuration_adv.h
@@ -174,9 +174,10 @@
  * Thermocouple Options — for MAX6675 (-2), MAX31855 (-3), and MAX31865 (-5).
  */
 //#define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
-//#define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
-//#define MAX31865_SENSOR_WIRES_1 2
-//#define MAX31865_SENSOR_WIRES_2 2
+//#define MAX31865_SENSOR_WIRES_0   2             // (2-4) Number of wires for the probe connected to a MAX31865 board.
+//#define MAX31865_SENSOR_WIRES_1   2
+//#define MAX31865_SENSOR_WIRES_2   2
+//#define MAX31865_SENSOR_WIRES_BED 2
 
 //#define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 //#define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 //#define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 //#define MAX31865_WIRE_OHMS_1              0.0f
 //#define MAX31865_WIRE_OHMS_2              0.0f
+//#define MAX31865_WIRE_OHMS_BED            0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.

diff --git a/config/examples/Anet/A2plus/Configuration.h b/config/examples/Anet/A2plus/Configuration.h
@@ -604,6 +604,10 @@
   #define MAX31865_SENSOR_OHMS_2      100
   #define MAX31865_CALIBRATION_OHMS_2 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(BED)
+  #define MAX31865_SENSOR_OHMS_BED      100
+  #define MAX31865_CALIBRATION_OHMS_BED 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109

diff --git a/config/examples/Anet/A2plus/Configuration_adv.h b/config/examples/Anet/A2plus/Configuration_adv.h
@@ -174,9 +174,10 @@
  * Thermocouple Options — for MAX6675 (-2), MAX31855 (-3), and MAX31865 (-5).
  */
 //#define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
-//#define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
-//#define MAX31865_SENSOR_WIRES_1 2
-//#define MAX31865_SENSOR_WIRES_2 2
+//#define MAX31865_SENSOR_WIRES_0   2             // (2-4) Number of wires for the probe connected to a MAX31865 board.
+//#define MAX31865_SENSOR_WIRES_1   2
+//#define MAX31865_SENSOR_WIRES_2   2
+//#define MAX31865_SENSOR_WIRES_BED 2
 
 //#define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 //#define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 //#define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 //#define MAX31865_WIRE_OHMS_1              0.0f
 //#define MAX31865_WIRE_OHMS_2              0.0f
+//#define MAX31865_WIRE_OHMS_BED            0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.

diff --git a/config/examples/Anet/A6/Configuration.h b/config/examples/Anet/A6/Configuration.h
@@ -604,6 +604,10 @@
   #define MAX31865_SENSOR_OHMS_2      100
   #define MAX31865_CALIBRATION_OHMS_2 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(BED)
+  #define MAX31865_SENSOR_OHMS_BED      100
+  #define MAX31865_CALIBRATION_OHMS_BED 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109

diff --git a/config/examples/Anet/A6/Configuration_adv.h b/config/examples/Anet/A6/Configuration_adv.h
@@ -174,9 +174,10 @@
  * Thermocouple Options — for MAX6675 (-2), MAX31855 (-3), and MAX31865 (-5).
  */
 //#define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
-//#define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
-//#define MAX31865_SENSOR_WIRES_1 2
-//#define MAX31865_SENSOR_WIRES_2 2
+//#define MAX31865_SENSOR_WIRES_0   2             // (2-4) Number of wires for the probe connected to a MAX31865 board.
+//#define MAX31865_SENSOR_WIRES_1   2
+//#define MAX31865_SENSOR_WIRES_2   2
+//#define MAX31865_SENSOR_WIRES_BED 2
 
 //#define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 //#define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 //#define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 //#define MAX31865_WIRE_OHMS_1              0.0f
 //#define MAX31865_WIRE_OHMS_2              0.0f
+//#define MAX31865_WIRE_OHMS_BED            0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.