My configs

config-high.py

@@ -0,0 +1,211 @@
+import logging
+import os
+
+# uncomment this if using MAX-31856
+#from lib.max31856 import MAX31856
+
+########################################################################
+#
+#   General options
+
+### Logging
+log_level = logging.INFO
+log_format = '%(asctime)s %(levelname)s %(name)s: %(message)s'
+
+### Server
+listening_port = 8081
+
+########################################################################
+# Cost Information
+#
+# This is used to calculate a cost estimate before a run. It's also used
+# to produce the actual cost during a run. My kiln has three
+# elements that when my switches are set to high, consume 9460 watts.
+
+kwh_rate        = 0.1319  # cost per kilowatt hour per currency_type to calculate cost to run job
+# moved to setting-specific section
+#kw_elements     = 9.460 # if the kiln elements are on, the wattage in kilowatts
+currency_type   = "$"   # Currency Symbol to show when calculating cost to run job
+
+########################################################################
+#
+#   GPIO Setup (BCM SoC Numbering Schema)
+#
+#   Check the RasPi docs to see where these GPIOs are
+#   connected on the P1 header for your board type/rev.
+#   These were tested on a Pi B Rev2 but of course you
+#   can use whichever GPIO you prefer/have available.
+
+### Outputs
+gpio_heat = 23  # Switches zero-cross solid-state-relay
+
+### Thermocouple Adapter selection:
+#   max31855 - bitbang SPI interface
+#   max31856 - bitbang SPI interface. must specify thermocouple_type.
+max31855 = 0
+max31856 = 0
+mcp9600 = 1
+# see lib/max31856.py for other thermocouple_type, only applies to max31856
+# uncomment this if using MAX-31856
+#thermocouple_type = MAX31856.MAX31856_S_TYPE
+
+### Thermocouple Connection (using bitbang interfaces)
+gpio_sensor_cs = 27
+gpio_sensor_clock = 22
+gpio_sensor_data = 17
+gpio_sensor_di = 10 # only used with max31856
+
+########################################################################
+#
+# duty cycle of the entire system in seconds
+# 
+# Every N seconds a decision is made about switching the relay[s] 
+# on & off and for how long. The thermocouple is read 
+# temperature_average_samples times during and the average value is used.
+sensor_time_wait = 15
+
+
+########################################################################
+#
+#   PID parameters
+#
+# These parameters control kiln temperature change. These settings work
+# well with the simulated oven. You must tune them to work well with 
+# your specific kiln. Note that the integral pid_ki is
+# inverted so that a smaller number means more integral action.
+# factory settings:
+# pid_kp = 25   # Proportional 25,200,200
+# pid_ki = 10   # Integral
+# pid_kd = 200  # Derivative
+
+# low mode (top=off, middle=low, bottom=low, no peephole covers, 
+# lid cracked, thermocouple in middle
+# pid_kp = 10
+# pid_ki = 35
+# pid_kd = 1047
+# kw_elements     = 1.5 # if the kiln elements are on, the wattage in kilowatts
+
+# med mode (top=off, middle=med, bottom=med, no peephole covers, 
+# lid cracked, thermocouple in middle
+# pid_kp = 8 # tuner gave -22 
+# pid_ki = 6
+# pid_kd = 834
+# kw_elements     = 3 # if the kiln elements are on, the wattage in kilowatts
+
+# high mode (all=high, peephole covers in, lid closed, thermocouple in middle
+pid_kp = 17
+pid_ki = 6
+pid_kd = 800 # was 486
+kw_elements     = 9 # if the kiln elements are on, the wattage in kilowatts
+
+########################################################################
+#
+# Initial heating and Integral Windup
+#
+# this setting is deprecated and is no longer used. this happens by
+# default and is the expected behavior.
+stop_integral_windup = True
+
+########################################################################
+#
+#   Simulation parameters
+simulate = False
+sim_t_env      = 60.0   # deg C
+sim_c_heat     = 500.0  # J/K  heat capacity of heat element
+sim_c_oven     = 5000.0 # J/K  heat capacity of oven
+sim_p_heat     = 5450.0 # W    heating power of oven
+sim_R_o_nocool = 0.5   # K/W  thermal resistance oven -> environment
+sim_R_o_cool   = 0.05   # K/W  " with cooling
+sim_R_ho_noair = 0.1    # K/W  thermal resistance heat element -> oven
+sim_R_ho_air   = 0.05   # K/W  " with internal air circulation
+
+
+########################################################################
+#
+#   Time and Temperature parameters
+#
+# If you change the temp_scale, all settings in this file are assumed to
+# be in that scale.
+
+temp_scale          = "f" # c = Celsius | f = Fahrenheit - Unit to display
+time_scale_slope    = "h" # s = Seconds | m = Minutes | h = Hours - Slope displayed in temp_scale per time_scale_slope
+time_scale_profile  = "m" # s = Seconds | m = Minutes | h = Hours - Enter and view target time in time_scale_profile
+
+# emergency shutoff the profile if this temp is reached or exceeded.
+# This just shuts off the profile. If your SSR is working, your kiln will
+# naturally cool off. If your SSR has failed/shorted/closed circuit, this
+# means your kiln receives full power until your house burns down.
+# this should not replace you watching your kiln or use of a kiln-sitter
+emergency_shutoff_temp = 2264 #cone 7
+
+# If the current temperature is outside the pid control window,
+# delay the schedule until it does back inside. This allows for heating
+# and cooling as fast as possible and not continuing until temp is reached.
+kiln_must_catch_up = True
+
+# This setting is required. 
+# This setting defines the window within which PID control occurs.
+# Outside this window (N degrees below or above the current target)
+# the elements are either 100% on because the kiln is too cold
+# or 100% off because the kiln is too hot. No integral builds up
+# outside the window. The bigger you make the window, the more
+# integral you will accumulate. This should be a positive integer.
+pid_control_window = 25 #degrees 
+
+# thermocouple offset
+# If you put your thermocouple in ice water and it reads 36F, you can
+# set set this offset to -4 to compensate.  This probably means you have a
+# cheap thermocouple.  Invest in a better thermocouple.
+thermocouple_offset=0
+
+# number of samples of temperature to average.
+# If you suffer from the high temperature kiln issue and have set 
+# honour_theromocouple_short_errors to False,
+# you will likely need to increase this (eg I use 40)
+temperature_average_samples = 40 
+
+# Thermocouple AC frequency filtering - set to True if in a 50Hz locale, else leave at False for 60Hz locale
+ac_freq_50hz = False
+
+########################################################################
+# Emergencies - or maybe not
+########################################################################
+# There are all kinds of emergencies that can happen including:
+# - temperature is too high (emergency_shutoff_temp exceeded)
+# - lost connection to thermocouple
+# - unknown error with thermocouple
+# - too many errors in a short period from thermocouple
+# but in some cases, you might want to ignore a specific error, log it,
+# and continue running your profile.
+ignore_temp_too_high = False
+ignore_lost_connection_tc = False
+ignore_unknown_tc_error = False
+ignore_too_many_tc_errors = False
+# some kilns/thermocouples start erroneously reporting "short" 
+# errors at higher temperatures due to plasma forming in the kiln.
+# Set this to True to ignore these errors and assume the temperature 
+# reading was correct anyway
+ignore_tc_short_errors = False 
+
+########################################################################
+# automatic restarts - if you have a power brown-out and the raspberry pi
+# reboots, this restarts your kiln where it left off in the firing profile.
+# This only happens if power comes back before automatic_restart_window
+# is exceeded (in minutes). The kiln-controller.py process must start
+# automatically on boot-up for this to work.
+# DO NOT put automatic_restart_state_file anywhere in /tmp. It could be
+# cleaned up (deleted) by the OS on boot.
+# The state file is written to disk every sensor_time_wait seconds (2s by default)
+# and is written in the same directory as config.py.
+automatic_restarts = False
+automatic_restart_window = 15 # max minutes since power outage
+automatic_restart_state_file = os.path.abspath(os.path.join(os.path.dirname( __file__ ),'state.json'))
+
+########################################################################
+# load kiln profiles from this directory
+# created a repo where anyone can contribute profiles. The objective is
+# to load profiles from this repository by default.
+# See https://github.com/jbruce12000/kiln-profiles
+kiln_profiles_directory = os.path.abspath(os.path.join(os.path.dirname( __file__ ),"storage", "profiles")) 
+#kiln_profiles_directory = os.path.abspath(os.path.join(os.path.dirname( __file__ ),'..','kiln-profiles','pottery')) 
+

config-low.py

@@ -0,0 +1,211 @@
+import logging
+import os
+
+# uncomment this if using MAX-31856
+#from lib.max31856 import MAX31856
+
+########################################################################
+#
+#   General options
+
+### Logging
+log_level = logging.INFO
+log_format = '%(asctime)s %(levelname)s %(name)s: %(message)s'
+
+### Server
+listening_port = 8081
+
+########################################################################
+# Cost Information
+#
+# This is used to calculate a cost estimate before a run. It's also used
+# to produce the actual cost during a run. My kiln has three
+# elements that when my switches are set to high, consume 9460 watts.
+
+kwh_rate        = 0.1319  # cost per kilowatt hour per currency_type to calculate cost to run job
+# moved to setting-specific section
+#kw_elements     = 9.460 # if the kiln elements are on, the wattage in kilowatts
+currency_type   = "$"   # Currency Symbol to show when calculating cost to run job
+
+########################################################################
+#
+#   GPIO Setup (BCM SoC Numbering Schema)
+#
+#   Check the RasPi docs to see where these GPIOs are
+#   connected on the P1 header for your board type/rev.
+#   These were tested on a Pi B Rev2 but of course you
+#   can use whichever GPIO you prefer/have available.
+
+### Outputs
+gpio_heat = 23  # Switches zero-cross solid-state-relay
+
+### Thermocouple Adapter selection:
+#   max31855 - bitbang SPI interface
+#   max31856 - bitbang SPI interface. must specify thermocouple_type.
+max31855 = 0
+max31856 = 0
+mcp9600 = 1
+# see lib/max31856.py for other thermocouple_type, only applies to max31856
+# uncomment this if using MAX-31856
+#thermocouple_type = MAX31856.MAX31856_S_TYPE
+
+### Thermocouple Connection (using bitbang interfaces)
+gpio_sensor_cs = 27
+gpio_sensor_clock = 22
+gpio_sensor_data = 17
+gpio_sensor_di = 10 # only used with max31856
+
+########################################################################
+#
+# duty cycle of the entire system in seconds
+# 
+# Every N seconds a decision is made about switching the relay[s] 
+# on & off and for how long. The thermocouple is read 
+# temperature_average_samples times during and the average value is used.
+sensor_time_wait = 15
+
+
+########################################################################
+#
+#   PID parameters
+#
+# These parameters control kiln temperature change. These settings work
+# well with the simulated oven. You must tune them to work well with 
+# your specific kiln. Note that the integral pid_ki is
+# inverted so that a smaller number means more integral action.
+# factory settings:
+# pid_kp = 25   # Proportional 25,200,200
+# pid_ki = 10   # Integral
+# pid_kd = 200  # Derivative
+
+# low mode (top=off, middle=low, bottom=low, no peephole covers, 
+# lid cracked, thermocouple in middle
+pid_kp = 10
+pid_ki = 35
+pid_kd = 1047
+kw_elements     = 1.5 # if the kiln elements are on, the wattage in kilowatts
+
+# med mode (top=off, middle=med, bottom=med, no peephole covers, 
+# lid cracked, thermocouple in middle
+# pid_kp = 8 # tuner gave -22 
+# pid_ki = 6
+# pid_kd = 834
+# kw_elements     = 3 # if the kiln elements are on, the wattage in kilowatts
+
+# high mode (all=high, peephole covers in, lid closed, thermocouple in middle
+# pid_kp = 17
+# pid_ki = 6
+# pid_kd = 486
+# kw_elements     = 9 # if the kiln elements are on, the wattage in kilowatts
+
+########################################################################
+#
+# Initial heating and Integral Windup
+#
+# this setting is deprecated and is no longer used. this happens by
+# default and is the expected behavior.
+stop_integral_windup = True
+
+########################################################################
+#
+#   Simulation parameters
+simulate = False
+sim_t_env      = 60.0   # deg C
+sim_c_heat     = 500.0  # J/K  heat capacity of heat element
+sim_c_oven     = 5000.0 # J/K  heat capacity of oven
+sim_p_heat     = 5450.0 # W    heating power of oven
+sim_R_o_nocool = 0.5   # K/W  thermal resistance oven -> environment
+sim_R_o_cool   = 0.05   # K/W  " with cooling
+sim_R_ho_noair = 0.1    # K/W  thermal resistance heat element -> oven
+sim_R_ho_air   = 0.05   # K/W  " with internal air circulation
+
+
+########################################################################
+#
+#   Time and Temperature parameters
+#
+# If you change the temp_scale, all settings in this file are assumed to
+# be in that scale.
+
+temp_scale          = "f" # c = Celsius | f = Fahrenheit - Unit to display
+time_scale_slope    = "h" # s = Seconds | m = Minutes | h = Hours - Slope displayed in temp_scale per time_scale_slope
+time_scale_profile  = "m" # s = Seconds | m = Minutes | h = Hours - Enter and view target time in time_scale_profile
+
+# emergency shutoff the profile if this temp is reached or exceeded.
+# This just shuts off the profile. If your SSR is working, your kiln will
+# naturally cool off. If your SSR has failed/shorted/closed circuit, this
+# means your kiln receives full power until your house burns down.
+# this should not replace you watching your kiln or use of a kiln-sitter
+emergency_shutoff_temp = 2264 #cone 7
+
+# If the current temperature is outside the pid control window,
+# delay the schedule until it does back inside. This allows for heating
+# and cooling as fast as possible and not continuing until temp is reached.
+kiln_must_catch_up = True
+
+# This setting is required. 
+# This setting defines the window within which PID control occurs.
+# Outside this window (N degrees below or above the current target)
+# the elements are either 100% on because the kiln is too cold
+# or 100% off because the kiln is too hot. No integral builds up
+# outside the window. The bigger you make the window, the more
+# integral you will accumulate. This should be a positive integer.
+pid_control_window = 25 #degrees 
+
+# thermocouple offset
+# If you put your thermocouple in ice water and it reads 36F, you can
+# set set this offset to -4 to compensate.  This probably means you have a
+# cheap thermocouple.  Invest in a better thermocouple.
+thermocouple_offset=0
+
+# number of samples of temperature to average.
+# If you suffer from the high temperature kiln issue and have set 
+# honour_theromocouple_short_errors to False,
+# you will likely need to increase this (eg I use 40)
+temperature_average_samples = 40 
+
+# Thermocouple AC frequency filtering - set to True if in a 50Hz locale, else leave at False for 60Hz locale
+ac_freq_50hz = False
+
+########################################################################
+# Emergencies - or maybe not
+########################################################################
+# There are all kinds of emergencies that can happen including:
+# - temperature is too high (emergency_shutoff_temp exceeded)
+# - lost connection to thermocouple
+# - unknown error with thermocouple
+# - too many errors in a short period from thermocouple
+# but in some cases, you might want to ignore a specific error, log it,
+# and continue running your profile.
+ignore_temp_too_high = False
+ignore_lost_connection_tc = False
+ignore_unknown_tc_error = False
+ignore_too_many_tc_errors = False
+# some kilns/thermocouples start erroneously reporting "short" 
+# errors at higher temperatures due to plasma forming in the kiln.
+# Set this to True to ignore these errors and assume the temperature 
+# reading was correct anyway
+ignore_tc_short_errors = False 
+
+########################################################################
+# automatic restarts - if you have a power brown-out and the raspberry pi
+# reboots, this restarts your kiln where it left off in the firing profile.
+# This only happens if power comes back before automatic_restart_window
+# is exceeded (in minutes). The kiln-controller.py process must start
+# automatically on boot-up for this to work.
+# DO NOT put automatic_restart_state_file anywhere in /tmp. It could be
+# cleaned up (deleted) by the OS on boot.
+# The state file is written to disk every sensor_time_wait seconds (2s by default)
+# and is written in the same directory as config.py.
+automatic_restarts = False
+automatic_restart_window = 15 # max minutes since power outage
+automatic_restart_state_file = os.path.abspath(os.path.join(os.path.dirname( __file__ ),'state.json'))
+
+########################################################################
+# load kiln profiles from this directory
+# created a repo where anyone can contribute profiles. The objective is
+# to load profiles from this repository by default.
+# See https://github.com/jbruce12000/kiln-profiles
+kiln_profiles_directory = os.path.abspath(os.path.join(os.path.dirname( __file__ ),"storage", "profiles")) 
+#kiln_profiles_directory = os.path.abspath(os.path.join(os.path.dirname( __file__ ),'..','kiln-profiles','pottery')) 
+

config-med.py

@@ -0,0 +1,211 @@
+import logging
+import os
+
+# uncomment this if using MAX-31856
+#from lib.max31856 import MAX31856
+
+########################################################################
+#
+#   General options
+
+### Logging
+log_level = logging.INFO
+log_format = '%(asctime)s %(levelname)s %(name)s: %(message)s'
+
+### Server
+listening_port = 8081
+
+########################################################################
+# Cost Information
+#
+# This is used to calculate a cost estimate before a run. It's also used
+# to produce the actual cost during a run. My kiln has three
+# elements that when my switches are set to high, consume 9460 watts.
+
+kwh_rate        = 0.1319  # cost per kilowatt hour per currency_type to calculate cost to run job
+# moved to setting-specific section
+#kw_elements     = 9.460 # if the kiln elements are on, the wattage in kilowatts
+currency_type   = "$"   # Currency Symbol to show when calculating cost to run job
+
+########################################################################
+#
+#   GPIO Setup (BCM SoC Numbering Schema)
+#
+#   Check the RasPi docs to see where these GPIOs are
+#   connected on the P1 header for your board type/rev.
+#   These were tested on a Pi B Rev2 but of course you
+#   can use whichever GPIO you prefer/have available.
+
+### Outputs
+gpio_heat = 23  # Switches zero-cross solid-state-relay
+
+### Thermocouple Adapter selection:
+#   max31855 - bitbang SPI interface
+#   max31856 - bitbang SPI interface. must specify thermocouple_type.
+max31855 = 0
+max31856 = 0
+mcp9600 = 1
+# see lib/max31856.py for other thermocouple_type, only applies to max31856
+# uncomment this if using MAX-31856
+#thermocouple_type = MAX31856.MAX31856_S_TYPE
+
+### Thermocouple Connection (using bitbang interfaces)
+gpio_sensor_cs = 27
+gpio_sensor_clock = 22
+gpio_sensor_data = 17
+gpio_sensor_di = 10 # only used with max31856
+
+########################################################################
+#
+# duty cycle of the entire system in seconds
+# 
+# Every N seconds a decision is made about switching the relay[s] 
+# on & off and for how long. The thermocouple is read 
+# temperature_average_samples times during and the average value is used.
+sensor_time_wait = 15
+
+
+########################################################################
+#
+#   PID parameters
+#
+# These parameters control kiln temperature change. These settings work
+# well with the simulated oven. You must tune them to work well with 
+# your specific kiln. Note that the integral pid_ki is
+# inverted so that a smaller number means more integral action.
+# factory settings:
+# pid_kp = 25   # Proportional 25,200,200
+# pid_ki = 10   # Integral
+# pid_kd = 200  # Derivative
+
+# low mode (top=off, middle=low, bottom=low, no peephole covers, 
+# lid cracked, thermocouple in middle
+# pid_kp = 10
+# pid_ki = 35
+# pid_kd = 1047
+# kw_elements     = 1.5 # if the kiln elements are on, the wattage in kilowatts
+
+# med mode (top=off, middle=med, bottom=med, no peephole covers, 
+# lid cracked, thermocouple in middle
+pid_kp = 8 # tuner gave -22 
+pid_ki = 6
+pid_kd = 834
+kw_elements     = 3 # if the kiln elements are on, the wattage in kilowatts
+
+# high mode (all=high, peephole covers in, lid closed, thermocouple in middle
+# pid_kp = 17
+# pid_ki = 6
+# pid_kd = 486
+# kw_elements     = 9 # if the kiln elements are on, the wattage in kilowatts
+
+########################################################################
+#
+# Initial heating and Integral Windup
+#
+# this setting is deprecated and is no longer used. this happens by
+# default and is the expected behavior.
+stop_integral_windup = True
+
+########################################################################
+#
+#   Simulation parameters
+simulate = False
+sim_t_env      = 60.0   # deg C
+sim_c_heat     = 500.0  # J/K  heat capacity of heat element
+sim_c_oven     = 5000.0 # J/K  heat capacity of oven
+sim_p_heat     = 5450.0 # W    heating power of oven
+sim_R_o_nocool = 0.5   # K/W  thermal resistance oven -> environment
+sim_R_o_cool   = 0.05   # K/W  " with cooling
+sim_R_ho_noair = 0.1    # K/W  thermal resistance heat element -> oven
+sim_R_ho_air   = 0.05   # K/W  " with internal air circulation
+
+
+########################################################################
+#
+#   Time and Temperature parameters
+#
+# If you change the temp_scale, all settings in this file are assumed to
+# be in that scale.
+
+temp_scale          = "f" # c = Celsius | f = Fahrenheit - Unit to display
+time_scale_slope    = "h" # s = Seconds | m = Minutes | h = Hours - Slope displayed in temp_scale per time_scale_slope
+time_scale_profile  = "m" # s = Seconds | m = Minutes | h = Hours - Enter and view target time in time_scale_profile
+
+# emergency shutoff the profile if this temp is reached or exceeded.
+# This just shuts off the profile. If your SSR is working, your kiln will
+# naturally cool off. If your SSR has failed/shorted/closed circuit, this
+# means your kiln receives full power until your house burns down.
+# this should not replace you watching your kiln or use of a kiln-sitter
+emergency_shutoff_temp = 2264 #cone 7
+
+# If the current temperature is outside the pid control window,
+# delay the schedule until it does back inside. This allows for heating
+# and cooling as fast as possible and not continuing until temp is reached.
+kiln_must_catch_up = True
+
+# This setting is required. 
+# This setting defines the window within which PID control occurs.
+# Outside this window (N degrees below or above the current target)
+# the elements are either 100% on because the kiln is too cold
+# or 100% off because the kiln is too hot. No integral builds up
+# outside the window. The bigger you make the window, the more
+# integral you will accumulate. This should be a positive integer.
+pid_control_window = 25 #degrees 
+
+# thermocouple offset
+# If you put your thermocouple in ice water and it reads 36F, you can
+# set set this offset to -4 to compensate.  This probably means you have a
+# cheap thermocouple.  Invest in a better thermocouple.
+thermocouple_offset=0
+
+# number of samples of temperature to average.
+# If you suffer from the high temperature kiln issue and have set 
+# honour_theromocouple_short_errors to False,
+# you will likely need to increase this (eg I use 40)
+temperature_average_samples = 40 
+
+# Thermocouple AC frequency filtering - set to True if in a 50Hz locale, else leave at False for 60Hz locale
+ac_freq_50hz = False
+
+########################################################################
+# Emergencies - or maybe not
+########################################################################
+# There are all kinds of emergencies that can happen including:
+# - temperature is too high (emergency_shutoff_temp exceeded)
+# - lost connection to thermocouple
+# - unknown error with thermocouple
+# - too many errors in a short period from thermocouple
+# but in some cases, you might want to ignore a specific error, log it,
+# and continue running your profile.
+ignore_temp_too_high = False
+ignore_lost_connection_tc = False
+ignore_unknown_tc_error = False
+ignore_too_many_tc_errors = False
+# some kilns/thermocouples start erroneously reporting "short" 
+# errors at higher temperatures due to plasma forming in the kiln.
+# Set this to True to ignore these errors and assume the temperature 
+# reading was correct anyway
+ignore_tc_short_errors = False 
+
+########################################################################
+# automatic restarts - if you have a power brown-out and the raspberry pi
+# reboots, this restarts your kiln where it left off in the firing profile.
+# This only happens if power comes back before automatic_restart_window
+# is exceeded (in minutes). The kiln-controller.py process must start
+# automatically on boot-up for this to work.
+# DO NOT put automatic_restart_state_file anywhere in /tmp. It could be
+# cleaned up (deleted) by the OS on boot.
+# The state file is written to disk every sensor_time_wait seconds (2s by default)
+# and is written in the same directory as config.py.
+automatic_restarts = False
+automatic_restart_window = 15 # max minutes since power outage
+automatic_restart_state_file = os.path.abspath(os.path.join(os.path.dirname( __file__ ),'state.json'))
+
+########################################################################
+# load kiln profiles from this directory
+# created a repo where anyone can contribute profiles. The objective is
+# to load profiles from this repository by default.
+# See https://github.com/jbruce12000/kiln-profiles
+kiln_profiles_directory = os.path.abspath(os.path.join(os.path.dirname( __file__ ),"storage", "profiles")) 
+#kiln_profiles_directory = os.path.abspath(os.path.join(os.path.dirname( __file__ ),'..','kiln-profiles','pottery')) 
+

config.py

@@ -23,7 +23,8 @@ listening_port = 8081
 # elements that when my switches are set to high, consume 9460 watts.
 
 kwh_rate        = 0.1319  # cost per kilowatt hour per currency_type to calculate cost to run job
-kw_elements     = 9.460 # if the kiln elements are on, the wattage in kilowatts
+# moved to setting-specific section
+#kw_elements     = 9.460 # if the kiln elements are on, the wattage in kilowatts
 currency_type   = "$"   # Currency Symbol to show when calculating cost to run job
 
 ########################################################################
@@ -44,7 +45,6 @@ gpio_heat = 23  # Switches zero-cross solid-state-relay
 max31855 = 0
 max31856 = 0
 mcp9600 = 1
-
 # see lib/max31856.py for other thermocouple_type, only applies to max31856
 # uncomment this if using MAX-31856
 #thermocouple_type = MAX31856.MAX31856_S_TYPE
@@ -62,7 +62,7 @@ gpio_sensor_di = 10 # only used with max31856
 # Every N seconds a decision is made about switching the relay[s] 
 # on & off and for how long. The thermocouple is read 
 # temperature_average_samples times during and the average value is used.
-sensor_time_wait = 2
+sensor_time_wait = 15
 
 
 ########################################################################
@@ -73,10 +73,30 @@ sensor_time_wait = 2
 # well with the simulated oven. You must tune them to work well with 
 # your specific kiln. Note that the integral pid_ki is
 # inverted so that a smaller number means more integral action.
-pid_kp = 25   # Proportional 25,200,200
+# factory settings:
-pid_ki = 10   # Integral
+# pid_kp = 25   # Proportional 25,200,200
-pid_kd = 200  # Derivative
+# pid_ki = 10   # Integral
+# pid_kd = 200  # Derivative
 
+# low mode (top=off, middle=low, bottom=low, no peephole covers, 
+# lid cracked, thermocouple in middle
+# pid_kp = 10
+# pid_ki = 35
+# pid_kd = 1047
+# kw_elements     = 1.5 # if the kiln elements are on, the wattage in kilowatts
+
+# med mode (top=off, middle=med, bottom=med, no peephole covers, 
+# lid cracked, thermocouple in middle
+# pid_kp = 8 # tuner gave -22 
+# pid_ki = 6
+# pid_kd = 834
+# kw_elements     = 3 # if the kiln elements are on, the wattage in kilowatts
+
+# high mode (all=high, peephole covers in, lid closed, thermocouple in middle
+pid_kp = 17
+pid_ki = 6
+pid_kd = 800 # was 486
+kw_elements     = 9 # if the kiln elements are on, the wattage in kilowatts
 
 ########################################################################
 #
@@ -89,7 +109,7 @@ stop_integral_windup = True
 ########################################################################
 #
 #   Simulation parameters
-simulate = True
+simulate = False
 sim_t_env      = 60.0   # deg C
 sim_c_heat     = 500.0  # J/K  heat capacity of heat element
 sim_c_oven     = 5000.0 # J/K  heat capacity of oven
@@ -130,7 +150,7 @@ kiln_must_catch_up = True
 # or 100% off because the kiln is too hot. No integral builds up
 # outside the window. The bigger you make the window, the more
 # integral you will accumulate. This should be a positive integer.
-pid_control_window = 5 #degrees 
+pid_control_window = 25 #degrees 
 
 # thermocouple offset
 # If you put your thermocouple in ice water and it reads 36F, you can
@@ -177,7 +197,7 @@ ignore_tc_short_errors = False
 # cleaned up (deleted) by the OS on boot.
 # The state file is written to disk every sensor_time_wait seconds (2s by default)
 # and is written in the same directory as config.py.
-automatic_restarts = True
+automatic_restarts = False
 automatic_restart_window = 15 # max minutes since power outage
 automatic_restart_state_file = os.path.abspath(os.path.join(os.path.dirname( __file__ ),'state.json'))