TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

SEQUENCE CONTROLLER [7 records]

Record 1 2011-10-25

English

Subject field(s)
  • Computer Programs and Programming
  • Air Conditioning and Heating
CONT

AC256 is an old product line from Andover Controls Corp. ... Some general info about the AC256: Programming is accomplished with drum programming [where] each drum has control lines, a comment line and an emergency line. In the programming there are things like flags, counters, conversion variables, expressions and external variables.

OBS

[The patent] disclosed a novel programmable sequence controller employing a revolutionary programming method, herein called asynchronous drum programming, wherein a digital computer simulates a plurality of drums, each comprising a plurality of drum lines. Each drum is assigned to a particular output to be controlled and each drum line contains one or more logical statements providing exit conditions to further drum lines. This programming method allows ordinary maintenance people to program such programmable controllers for use in energy management systems.

French

Domaine(s)
  • Programmes et programmation (Informatique)
  • Conditionnement de l'air et chauffage

Spanish

Save record 1

Record 2 2010-07-27

English

Subject field(s)
  • Burners and Steamfitting
CONT

Oil furnace operations have not changed very much. On a call for heat from the thermostat, the burner motor will start. Oil is now pumped to the nozzle, and the ignition transformer is energized. The nozzle is designed to spray the oil into the fire tube as a fine mist. The ignition transformer is designed to create an electrical arc across the electrodes. As the oil mist (also mixed with air) comes in contact with the arc, ignition takes place, and the fire is started.

CONT

Burner controller : The controller is usually located in front of the burner. On a call for heat the controller starts a sequence of events that ensure safe operation before the burner is allowed to start. The controller continues to monitor burner operation while the boiler is running. If for any reason the controller senses an unsafe operating condition it will shut the burner off. Pushing the manual reset on the controller will often restart the boiler.

French

Domaine(s)
  • Fumisterie et brûleurs

Spanish

Save record 2

Record 3 2000-04-28

English

Subject field(s)
  • Burners and Steamfitting
  • Ovens, Furnaces and Boilers (Heating)
DEF

An interlock which proves the damper is open for prepurge.

CONT

At startup, terminal 3 is energized, powering the blower motor through terminal M. The blower pressure switch contact closes, completing the interlock circuit between terminals 3 and P when blower pressure reaches 16 in. water column. Terminal X is powered to position the choke valve in its high fire position, with the high fire interlock satisfied via a jumper between terminals 3 and 10.(It is noted that the choke valve is normally open during this part of the sequence due to the way the valve motor is connected to the controller). The programmed sequence is now initiated. The Blower and Purge LED indicators on the Fireye controller will light.

Key term(s)
  • high-fire interlock

French

Domaine(s)
  • Fumisterie et brûleurs
  • Fours et chaudières (Chauffage)
OBS

Voir la fiche «puissance maximale d'utilisation; allure maximale / high fire».

Spanish

Save record 3

Record 4 2000-02-28

English

Subject field(s)
  • Burners and Steamfitting
DEF

An automatic temperature or pressure sensing device connected in the input circuit of a flame safeguard control. It indirectly acts to turn a burner on or off in order to maintain pressure, air temperature, water temperature, or liquid level within the desired limits.

CONT

Burner controller : The controller is usually located in front of the burner. On a call for heat the controller starts a sequence of events that ensure safe operation before the burner is allowed to start. The controller continues to monitor burner operation while the boiler is running. If for any reason the controller senses an unsafe operating condition it will shut the burner off. Pushing the manual reset on the controller will often restart the boiler.

French

Domaine(s)
  • Fumisterie et brûleurs
OBS

contrôleur : appareil de réglage, de contrôle.

Spanish

Save record 4

Record 5 1989-08-23

English

Subject field(s)
  • Applications of Electronics

French

Domaine(s)
  • Applications de l'électronique
OBS

Termes tirés de la revue "Perforations" (ONF), vol. 9, no. 1.

Spanish

Save record 5

Record 6 1989-06-27

English

Subject field(s)
  • Artificial Intelligence
  • Applications of Automation
DEF

A type of industrial robot that uses a sophisticate open-loop controller in which an operator "teaches" the robot by manually moving it through the desired sequence. The sequence is stored in the local robot memory and is followed repeatedly in operation.

French

Domaine(s)
  • Intelligence artificielle
  • Automatisation et applications
OBS

Voir aussi module copieur. Le robot copieur comprend un tel module.

Spanish

Save record 6

Record 7 1986-07-24

English

Subject field(s)
  • Applications of Automation
OBS

sequencer : a controller which operates an application through a fixed sequence of events.

French

Domaine(s)
  • Automatisation et applications

Spanish

Save record 7

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