Dickie at 23:03, 19 November 2008

2008-11-19T23:03:21Z

← Older revision		Revision as of 23:03, 19 November 2008
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	This makes the process of controlling a kiln much easier (and more accurate) than using a [[pyrometer]] with a manual thermostat type control.		This makes the process of controlling a kiln much easier (and more accurate) than using a [[pyrometer]] with a manual thermostat type control.

	Controllers will normally operate using [[PID]] control loops to keep the temperature in the kiln under tight control, and to avoid [[overshoot]]s or [[offset]]s. Unfortunately due to the lack of configuration in many controllers unless the controller is specifically designed for your kiln they may not control the temperature in the [[kiln]] as accurately as they could and many can overshoot the return to [[garaging]] temperature upon closing the door of the [[kiln]] after inserting a [[bead]].		Controllers will normally operate using [[PID]] control loops to keep the temperature in the kiln under tight control, and to avoid [[overshoot]]s or [[offset]]s. Unfortunately due to the lack of configuration in many controllers, unless the controller is specifically designed for your kiln they may not control the temperature in the [[kiln]] as accurately as they could, and many can overshoot during the process of return to [[garaging]] temperature upon closing the door of the [[kiln]] after inserting a [[bead]].

Dickie: New page: A controller is generally a piece of electronic equipment that controls the temperature in a kiln in a defined way. This may include the provision of multiple programs for different t...

2008-11-16T00:55:51Z

New page: A controller is generally a piece of electronic equipment that controls the temperature in a kiln in a defined way. This may include the provision of multiple programs for different t...

New page

A controller is generally a piece of electronic equipment that controls the temperature in a [[kiln]] in a defined way.

This may include the provision of multiple programs for different tasks, where each program can contain a number of programmable steps.

For example
* Ramp up to [[garaging]] temperature x°C.
** At a rate of x°C per minute.
** hold for x hours.
* Ramp up to [[annealing]] temperature x°C.
** At a rate of x°C per minute.
** hold for x hours.
* Ramp down to [[strain point]] temperature x°C.
** At a rate of x°C per minute.
** hold for x hours.
* Ramp down to temperature x°C.
** At a rate of x°C per minute.
** switch off.

This makes the process of controlling a kiln much easier (and more accurate) than using a [[pyrometer]] with a manual thermostat type control.

Controllers will normally operate using [[PID]] control loops to keep the temperature in the kiln under tight control, and to avoid [[overshoot]]s or [[offset]]s. Unfortunately due to the lack of configuration in many controllers unless the controller is specifically designed for your kiln they may not control the temperature in the [[kiln]] as accurately as they could and many can overshoot the return to [[garaging]] temperature upon closing the door of the [[kiln]] after inserting a [[bead]].

Controller - Revision history

Dickie at 23:03, 19 November 2008

Dickie: New page: A controller is generally a piece of electronic equipment that controls the temperature in a kiln in a defined way. This may include the provision of multiple programs for different t...