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Merge pull request #860 from drf5n/therm3950

thermistortables.h: Add comments that table 60 uses beta=3950.
nothinman 10 years ago
parent
commit
f1501317ca
2 changed files with 9 additions and 1 deletions
  1. 1
    1
      Marlin/Configuration.h
  2. 8
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      Marlin/thermistortables.h

+ 1
- 1
Marlin/Configuration.h View File

@@ -116,7 +116,7 @@
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 // 9 is 100k GE Sensing AL03006-58.2K-97-G1 (4.7k pullup)
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 // 10 is 100k RS thermistor 198-961 (4.7k pullup)
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 // 20 is the PT100 circuit found in the Ultimainboard V2.x
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-// 60 is 100k Maker's Tool Works Kapton Bed Thermistor
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+// 60 is 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
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 //
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 //    1k ohm pullup tables - This is not normal, you would have to have changed out your 4.7k for 1k
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 //                          (but gives greater accuracy and more stable PID)

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- 0
Marlin/thermistortables.h View File

@@ -781,6 +781,14 @@ const short temptable_55[][2] PROGMEM = {
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 #endif
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 #if (THERMISTORHEATER_0 == 60) || (THERMISTORHEATER_1 == 60) || (THERMISTORHEATER_2 == 60) || (THERMISTORBED == 60) // Maker's Tool Works Kapton Bed Thermister
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+// ./createTemperatureLookup.py --r0=100000 --t0=25 --r1=0 --r2=4700 --beta=3950 
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+// r0: 100000
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+// t0: 25
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+// r1: 0 (parallel with rTherm)
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+// r2: 4700 (series with rTherm)
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+// beta: 3950
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+// min adc: 1 at 0.0048828125 V
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+// max adc: 1023 at 4.9951171875 V
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 const short temptable_60[][2] PROGMEM = {
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    {51*OVERSAMPLENR, 272},
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    {61*OVERSAMPLENR, 258},

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