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Bring thermistor_75.h up to speed

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Scott Lahteine 6 years ago
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1 changed files with 53 additions and 44 deletions
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  1. 97
      Marlin/src/module/thermistor/thermistor_75.h

97
Marlin/src/module/thermistor/thermistor_75.h
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@ -20,51 +20,60 @@
*
*/
// R25 = 100 kOhm, beta25 = 4100 K, 4.7 kOhm pull-up,
// Generic Silicon Heat Pad with NTC 100K thermistor
//
// Many of the generic silicon heat pads use the MGB18-104F39050L32 Thermistor It is used for various
// wattage and voltage heat pads. This table is correct if this part is used. It has been
// optimized to provide good granularity around the 60 C. and 110 C. which corrisponds to bed temperatures
// for PLA and ABS. If you are printing higher temperature filament such as nylon you can uncomment
// the higher earlier entries in the table to give better accuracy. But for speed reasons, if these
// temperatures are not going to be used, it is better to leave them commented out.
/**
* R25 = 100 kOhm, beta25 = 4100 K, 4.7 kOhm pull-up,
* Generic Silicon Heat Pad with NTC 100K thermistor
*
* Many generic silicone heat pads use the MGB18-104F39050L32 thermistor, applicable to various
* wattages and voltages. This table is correct if this part is used. It's been optimized
* to provide good granularity in the 60-110C range, good for PLA and ABS. For higher temperature
* filament (e.g., nylon) uncomment HIGH_TEMP_RANGE_75 for increased accuracy. If higher
* temperatures aren't used it can improve performance slightly to leave it commented out.
*/
//#define HIGH_TEMP_RANGE_75
const short temptable_75[][2] PROGMEM = { // Generic Silicon Heat Pad with NTC 100K MGB18-104F39050L32 thermistor
{ (short) ( 111.06 * OVERSAMPLENR ), 200 }, // v=0.542 r=571.747 res=0.501 degC/count
// { (short) ( 174.87 * OVERSAMPLENR ), 175 }, // v=0.854 r=967.950 res=0.311 degC/count These values are valid. But they serve no
// { (short) ( 191.64 * OVERSAMPLENR ), 170 }, // v=0.936 r=1082.139 res=0.284 degC/count purpose. It is better to delete them so
// { (short) ( 209.99 * OVERSAMPLENR ), 165 }, // v=1.025 r=1212.472 res=0.260 degC/count the search is quicker and get to the meaningful
// { (short) ( 230.02 * OVERSAMPLENR ), 160 }, // v=1.123 r=1361.590 res=0.239 degC/count part of the table sooner.
// { (short) ( 251.80 * OVERSAMPLENR ), 155 }, // v=1.230 r=1532.621 res=0.220 degC/count
{ (short) ( 275.43 * OVERSAMPLENR ), 150 }, // v=1.345 r=1729.283 res=0.203 degC/count
// { (short) ( 300.92 * OVERSAMPLENR ), 145 }, // v=1.469 r=1956.004 res=0.189 degC/coun
{ (short) ( 328.32 * OVERSAMPLENR ), 140 }, // v=1.603 r=2218.081 res=0.176 degC/count
{ (short) ( 388.65 * OVERSAMPLENR ), 130 }, // v=1.898 r=2874.980 res=0.156 degC/count
{ (short) ( 421.39 * OVERSAMPLENR ), 125 }, // v=2.058 r=3286.644 res=0.149 degC/count
{ (short) ( 455.65 * OVERSAMPLENR ), 120 }, // v=2.225 r=3768.002 res=0.143 degC/count
{ (short) ( 491.17 * OVERSAMPLENR ), 115 }, // v=2.398 r=4332.590 res=0.139 degC/count
{ (short) ( 527.68 * OVERSAMPLENR ), 110 }, // v=2.577 r=4996.905 res=0.136 degC/count
{ (short) ( 564.81 * OVERSAMPLENR ), 105 }, // v=2.758 r=5781.120 res=0.134 degC/count
{ (short) ( 602.19 * OVERSAMPLENR ), 100 }, // v=2.940 r=6710.000 res=0.134 degC/count
{ (short) ( 676.03 * OVERSAMPLENR ), 90 }, // v=3.301 r=9131.018 res=0.138 degC/count
{ (short) ( 745.85 * OVERSAMPLENR ), 80 }, // v=3.642 r=12602.693 res=0.150 degC/count
{ (short) ( 778.31 * OVERSAMPLENR ), 75 }, // v=3.800 r=14889.001 res=0.159 degC/count
{ (short) ( 808.75 * OVERSAMPLENR ), 70 }, // v=3.949 r=17658.700 res=0.171 degC/count
{ (short) ( 836.94 * OVERSAMPLENR ), 65 }, // v=4.087 r=21028.040 res=0.185 degC/count
{ (short) ( 862.74 * OVERSAMPLENR ), 60 }, // v=4.213 r=25144.568 res=0.204 degC/count
{ (short) ( 886.08 * OVERSAMPLENR ), 55 }, // v=4.327 r=30196.449 res=0.227 degC/count
{ (short) ( 906.97 * OVERSAMPLENR ), 50 }, // v=4.429 r=36424.838 res=0.255 degC/count
{ (short) ( 941.65 * OVERSAMPLENR ), 40 }, // v=4.598 r=53745.337 res=0.333 degC/count
{ (short) ( 967.76 * OVERSAMPLENR ), 30 }, // v=4.725 r=80880.630 res=0.452 degC/count
{ (short) ( 978.03 * OVERSAMPLENR ), 25 }, // v=4.776 r=100000.000 res=0.535 degC/count
{ (short) ( 981.68 * OVERSAMPLENR ), 23 }, // v=4.793 r=109024.395 res=0.573 degC/count
{ (short) ( 983.41 * OVERSAMPLENR ), 22 }, // v=4.802 r=113875.430 res=0.594 degC/count
{ (short) ( 985.08 * OVERSAMPLENR ), 21 }, // v=4.810 r=118968.955 res=0.616 degC/count
{ (short) ( 986.70 * OVERSAMPLENR ), 20 }, // v=4.818 r=124318.354 res=0.638 degC/count
{ (short) ( 993.94 * OVERSAMPLENR ), 15 }, // v=4.853 r=155431.302 res=0.768 degC/count
{ (short) ( 999.96 * OVERSAMPLENR ), 10 }, // v=4.883 r=195480.023 res=0.934 degC/count
{ (short) (1008.95 * OVERSAMPLENR ), 0 } // v=4.926 r=314997.575 res=1.418 degC/count
};
{ OV(111.06), 200 }, // v=0.542 r=571.747 res=0.501 degC/count
#ifdef HIGH_TEMP_RANGE_75
{ OV(174.87), 175 }, // v=0.854 r=967.950 res=0.311 degC/count These values are valid. But they serve no
{ OV(191.64), 170 }, // v=0.936 r=1082.139 res=0.284 degC/count purpose. It is better to delete them so
{ OV(209.99), 165 }, // v=1.025 r=1212.472 res=0.260 degC/count the search is quicker and get to the meaningful
{ OV(230.02), 160 }, // v=1.123 r=1361.590 res=0.239 degC/count part of the table sooner.
{ OV(251.80), 155 }, // v=1.230 r=1532.621 res=0.220 degC/count
#endif
{ OV(275.43), 150 }, // v=1.345 r=1729.283 res=0.203 degC/count
#ifdef HIGH_TEMP_RANGE_75
{ OV(300.92), 145 }, // v=1.469 r=1956.004 res=0.189 degC/coun
#endif
{ OV(328.32), 140 }, // v=1.603 r=2218.081 res=0.176 degC/count
{ OV(388.65), 130 }, // v=1.898 r=2874.980 res=0.156 degC/count
{ OV(421.39), 125 }, // v=2.058 r=3286.644 res=0.149 degC/count
{ OV(455.65), 120 }, // v=2.225 r=3768.002 res=0.143 degC/count
{ OV(491.17), 115 }, // v=2.398 r=4332.590 res=0.139 degC/count
{ OV(527.68), 110 }, // v=2.577 r=4996.905 res=0.136 degC/count
{ OV(564.81), 105 }, // v=2.758 r=5781.120 res=0.134 degC/count
{ OV(602.19), 100 }, // v=2.940 r=6710.000 res=0.134 degC/count
{ OV(676.03), 90 }, // v=3.301 r=9131.018 res=0.138 degC/count
{ OV(745.85), 80 }, // v=3.642 r=12602.693 res=0.150 degC/count
{ OV(778.31), 75 }, // v=3.800 r=14889.001 res=0.159 degC/count
{ OV(808.75), 70 }, // v=3.949 r=17658.700 res=0.171 degC/count
{ OV(836.94), 65 }, // v=4.087 r=21028.040 res=0.185 degC/count
{ OV(862.74), 60 }, // v=4.213 r=25144.568 res=0.204 degC/count
{ OV(886.08), 55 }, // v=4.327 r=30196.449 res=0.227 degC/count
{ OV(906.97), 50 }, // v=4.429 r=36424.838 res=0.255 degC/count
{ OV(941.65), 40 }, // v=4.598 r=53745.337 res=0.333 degC/count
{ OV(967.76), 30 }, // v=4.725 r=80880.630 res=0.452 degC/count
{ OV(978.03), 25 }, // v=4.776 r=100000.000 res=0.535 degC/count
{ OV(981.68), 23 }, // v=4.793 r=109024.395 res=0.573 degC/count
{ OV(983.41), 22 }, // v=4.802 r=113875.430 res=0.594 degC/count
{ OV(985.08), 21 }, // v=4.810 r=118968.955 res=0.616 degC/count
{ OV(986.70), 20 }, // v=4.818 r=124318.354 res=0.638 degC/count
{ OV(993.94), 15 }, // v=4.853 r=155431.302 res=0.768 degC/count
{ OV(999.96), 10 }, // v=4.883 r=195480.023 res=0.934 degC/count
{ OV(008.95), 0 } // v=4.926 r=314997.575 res=1.418 degC/count
};

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