Attention risque d'incendie December 03, 2014 05:19PM |
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Re: Attention risque d'incendie December 04, 2014 06:29PM |
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/*================== Thermal Runaway Protection ============================== This is a feature to protect your printer from burn up in flames if it has a thermistor coming off place (this happened to a friend of mine recently and motivated me writing this feature). The issue: If a thermistor come off, it will read a lower temperature than actual. The system will turn the heater on forever, burning up the filament and anything else around. After the temperature reaches the target for the first time, this feature will start measuring for how long the current temperature stays below the target minus _HYSTERESIS (set_temperature - THERMAL_RUNAWAY_PROTECTION_HYSTERESIS). If it stays longer than _PERIOD, it means the thermistor temperature cannot catch up with the target, so something *may be* wrong. Then, to be on the safe side, the system will he halt. Bear in mind the count down will just start AFTER the first time the thermistor temperature is over the target, so you will have no problem if your extruder heater takes 2 minutes to hit the target on heating. */ // If you want to enable this feature for all your extruder heaters, // uncomment the 2 defines below: // Parameters for all extruder heaters //#define THERMAL_RUNAWAY_PROTECTION_PERIOD 40 //in seconds //#define THERMAL_RUNAWAY_PROTECTION_HYSTERESIS 4 // in degree Celsius // If you want to enable this feature for your bed heater, // uncomment the 2 defines below: // Parameters for the bed heater //#define THERMAL_RUNAWAY_PROTECTION_BED_PERIOD 20 //in seconds //#define THERMAL_RUNAWAY_PROTECTION_BED_HYSTERESIS 2 // in degree Celsius //===========================================================================
Re: Attention risque d'incendie December 04, 2014 07:00PM |
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Re: Attention risque d'incendie December 05, 2014 09:06AM |
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temperature.cpp: In function 'void manage_heater()': temperature.cpp:543: error: 'THERMAL_RUNAWAY_PROTECTION_BED_PERIOD' was not declared in this scope temperature.cpp:543: error: 'THERMAL_RUNAWAY_PROTECTION_BED_HYSTERESIS' was not declared in this scope
Re: Attention risque d'incendie December 05, 2014 11:20AM |
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Re: Attention risque d'incendie December 08, 2014 12:37AM |
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Re: Attention risque d'incendie December 08, 2014 03:05AM |
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Quote
alex111
Si il y a de la fumée, c'est trop tard pour couper l'alimentation..... Enfin c'est vous qui voyez
Re: Attention risque d'incendie December 08, 2014 10:38AM |
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