From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001 From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com> Date: Thu, 4 Mar 2021 22:54:23 +0500 Subject: Initial commit --- Marlin/src/module/thermistor/thermistor_75.h | 80 ++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 Marlin/src/module/thermistor/thermistor_75.h (limited to 'Marlin/src/module/thermistor/thermistor_75.h') diff --git a/Marlin/src/module/thermistor/thermistor_75.h b/Marlin/src/module/thermistor/thermistor_75.h new file mode 100644 index 0000000..79800d2 --- /dev/null +++ b/Marlin/src/module/thermistor/thermistor_75.h @@ -0,0 +1,80 @@ +/** + * Marlin 3D Printer Firmware + * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] + * + * Based on Sprinter and grbl. + * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + */ +#pragma once + +/** + * 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 temp_entry_t temptable_75[] PROGMEM = { // Generic Silicon Heat Pad with NTC 100K MGB18-104F39050L32 thermistor + { 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(1008.95), 0 } // v=4.926 r=314997.575 res=1.418 degC/count +}; -- cgit v1.2.3