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temperature_sensors: Deprecate "NTC 100K beta 3950" thermistor 

It seems the common "beta 3950" thermistors generally follow a
temperature table defined by the new "Generic 3950" definition.  Using
a table that actually follows the "beta 3950" temperature curve is
generally less accurate.  Deprecate the existing "NTC 100K beta 3950"
definition to avoid this common issue.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-11-01 13:54:11 -04:00
parent 19aac4055d
commit c179db3d43
11 changed files with 20 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
config/generic-bigtreetech-skr-2.cfg
View File

@ -73,7 +73,7 @@ max_temp: 250
[heater_bed] [heater_bed]
heater_pin: PD7 heater_pin: PD7
sensor_type: NTC 100K beta 3950 sensor_type: Generic 3950
sensor_pin: PA1 sensor_pin: PA1
control: watermark control: watermark
min_temp: 0 min_temp: 0

2
config/generic-duet3-mini.cfg
View File

@ -123,7 +123,7 @@ sense_resistor: 0.056
[heater_bed] [heater_bed]
heater_pin: PB17 #out1 heater_pin: PB17 #out1
sensor_type: NTC 100K beta 3950 sensor_type: Generic 3950
sensor_pin: vref_scaled:PC0 sensor_pin: vref_scaled:PC0
control: pid control: pid
pullup_resistor: 2200 pullup_resistor: 2200

2
config/generic-mks-rumba32-v1.0.cfg
View File

@ -72,7 +72,7 @@ max_temp: 250
[heater_bed] [heater_bed]
heater_pin: PA1 heater_pin: PA1
sensor_type: NTC 100K beta 3950 sensor_type: Generic 3950
sensor_pin: PC0 sensor_pin: PC0
control: watermark control: watermark
min_temp: 0 min_temp: 0

2
config/generic-rumba.cfg
View File

@ -74,7 +74,7 @@ max_temp: 250
[heater_bed] [heater_bed]
heater_pin: PH6 heater_pin: PH6
sensor_type: NTC 100K beta 3950 sensor_type: Generic 3950
sensor_pin: PK3 sensor_pin: PK3
control: watermark control: watermark
min_temp: 0 min_temp: 0

2
config/kit-voron2-250mm.cfg
View File

@ -141,7 +141,7 @@ max_extrude_only_distance: 780.0
heater_pin: PB4 heater_pin: PB4
# D10 on mcu_xye # D10 on mcu_xye
max_power: 1.0 max_power: 1.0
sensor_type: NTC 100K beta 3950 sensor_type: Generic 3950
sensor_pin: PK5 sensor_pin: PK5
# T0 on mcu_xye # T0 on mcu_xye
smooth_time: 3.0 smooth_time: 3.0

2
config/printer-mtw-create-2015.cfg
View File

@ -79,7 +79,7 @@ max_temp: 275
[heater_bed] [heater_bed]
heater_pin: PE5 heater_pin: PE5
sensor_type: NTC 100K beta 3950 sensor_type: Generic 3950
sensor_pin: PF2 sensor_pin: PF2
control: watermark control: watermark
min_temp: 0 min_temp: 0

4
config/printer-wanhao-duplicator-i3-v2.1-2017.cfg
View File

@ -127,7 +127,7 @@ rotation_distance: 29.888
nozzle_diameter: 0.400 nozzle_diameter: 0.400
filament_diameter: 1.750 filament_diameter: 1.750
heater_pin: PD5 heater_pin: PD5
sensor_type: NTC 100K beta 3950 sensor_type: Generic 3950
sensor_pin: PA7 sensor_pin: PA7
control: pid control: pid
pid_Kp: 18.214030 pid_Kp: 18.214030
@ -138,7 +138,7 @@ max_temp: 230
[heater_bed] [heater_bed]
heater_pin: PD4 heater_pin: PD4
sensor_type: NTC 100K beta 3950 sensor_type: Generic 3950
sensor_pin: PA6 sensor_pin: PA6
control: pid control: pid
pid_Kp: 71.321 pid_Kp: 71.321

7
docs/Config_Changes.md
View File

@ -8,6 +8,13 @@ All dates in this document are approximate.
## Changes ## Changes
20211110: The "NTC 100K beta 3950" temperature sensor is deprecated.
This sensor will be removed in the near future. Most users will find
the "Generic 3950" temperature sensor more accurate. To continue to
use the older (typically less accurate) definition, define a custom
[thermistor](Config_Reference.md#thermistor) with `temperature1: 25`,
`resistance1: 100000`, and `beta: 3950`.
20211104: The "step pulse duration" option in "make menuconfig" has 20211104: The "step pulse duration" option in "make menuconfig" has
been removed. A new `step_pulse_duration` setting in the been removed. A new `step_pulse_duration` setting in the
[stepper config section](Config_Reference.md#stepper) should be set [stepper config section](Config_Reference.md#stepper) should be set

4
docs/Config_Reference.md
View File

@ -701,7 +701,7 @@ heater_pin:
# periods) to the heater. The default is 1.0. # periods) to the heater. The default is 1.0.
sensor_type: sensor_type:
# Type of sensor - common thermistors are "EPCOS 100K B57560G104F", # Type of sensor - common thermistors are "EPCOS 100K B57560G104F",
# "ATC Semitec 104GT-2", "NTC 100K beta 3950", "Honeywell 100K # "ATC Semitec 104GT-2", "Generic 3950", "Honeywell 100K
# 135-104LAG-J01", "NTC 100K MGB18-104F39050L32", "SliceEngineering # 135-104LAG-J01", "NTC 100K MGB18-104F39050L32", "SliceEngineering
# 450", and "TDK NTCG104LH104JT1". See the "Temperature sensors" # 450", and "TDK NTCG104LH104JT1". See the "Temperature sensors"
# section for other sensors. This parameter must be provided. # section for other sensors. This parameter must be provided.
@ -2058,7 +2058,7 @@ sections that use one of these sensors.
``` ```
sensor_type: sensor_type:
# One of "EPCOS 100K B57560G104F", "ATC Semitec 104GT-2", # One of "EPCOS 100K B57560G104F", "ATC Semitec 104GT-2",
# "NTC 100K beta 3950", "Honeywell 100K 135-104LAG-J01", # "Generic 3950", "Honeywell 100K 135-104LAG-J01",
# "NTC 100K MGB18-104F39050L32", "SliceEngineering 450", or # "NTC 100K MGB18-104F39050L32", "SliceEngineering 450", or
# "TDK NTCG104LH104JT1" # "TDK NTCG104LH104JT1"
sensor_pin: sensor_pin:

2
klippy/extras/heaters.py
View File

@ -280,6 +280,8 @@ class PrinterHeaters:
if sensor_type not in self.sensor_factories: if sensor_type not in self.sensor_factories:
raise self.printer.config_error( raise self.printer.config_error(
"Unknown temperature sensor '%s'" % (sensor_type,)) "Unknown temperature sensor '%s'" % (sensor_type,))
if sensor_type == 'NTC 100K beta 3950':
config.deprecate('sensor_type', 'NTC 100K beta 3950')
return self.sensor_factories[sensor_type](config) return self.sensor_factories[sensor_type](config)
def register_sensor(self, config, psensor, gcode_id=None): def register_sensor(self, config, psensor, gcode_id=None):
self.available_sensors.append(config.get_name()) self.available_sensors.append(config.get_name())

2
klippy/extras/temperature_sensors.cfg
View File

@ -87,7 +87,7 @@ temperature1: 25
resistance1: 100000 resistance1: 100000
beta: 3974 beta: 3974
# Definition inherent from name # Definition inherent from name. This sensor is deprecated!
[thermistor NTC 100K beta 3950] [thermistor NTC 100K beta 3950]
temperature1: 25 temperature1: 25
resistance1: 100000 resistance1: 100000