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Draw the symbol for On delay times contacts and Off delay timer contacts and explain how each operates?
symbol of on delay timer
How does an off delay timer work?
when off delay timer gets control signal, its NO(NORMALLY OPEN) contact become NC(NORMALLY CLOSED) for preset duration, and then become NO.
Why is a timer is used in an electrical circuit?
Timer relays are used in control circuitry. There are two main types, an (off delay) and an (on delay). If you want one device to turn off before the timer controlled device then you would use an off delay timer. If you want one device to turn on before the timer controlled device then you would use an on delay timer. When the timer is energized this starts the timer circuit in the relay to time out.
What is ON delay and OFF delay timer?
with an ON delay timer once the power has been appied to the timer unit, the timer contacts will change state-open/close after a preset time (for example A&B timers are adjustable anywhere from 0.05 seconds to 300 Hours) with a OFF delay these contacts change state after the power to the unit has been removed then the preset time will time out (this count dosen't start until the power is removed
What is the difference between cook time and timer on an oven?
Cook time refers to the duration for which the food is being cooked in the oven, while the timer is a feature that allows you to set a specific amount of time for the oven to operate before automatically turning off.
Why is your lights staying on when your keys are out?
It could be two things your switch for the lights is still turned on or your lights are on a timer and shut off after a twenty second or so delay.
How is a computer off timer set?
with a home lamp timer
What is the function of timer in an electric circuit?
Answer A timer is used to time things. For example if you think of how many truck there are rolling down our highways it would be amazing, but they are on a timer of sorts. They have to deliever on time or they get penilized for being late. Timers are used on inside and outside lights, there are tons of uses for timers.
Why would the interior lights go out when a 1995 Ford Windstar is shut off?
In the center of the dash on the left side is a timer relay. it is probably bad, causing the delay part of the lights to not work.
Is there a separate relay or fuse for the intermittent delay for the wipers on a 97 jetta your hi and lo wipers work but not the delay?
the delay on jetta wipers is different. the delay is adjustable. if someone set the delay very long, you will think the delay is not working. here's how to shorten the delay. turn the wipers to delay (one click DOWN on the stalk). immediately turn it back off and now turn it back on. the delay is the length of time you had the wipers off between the two on's. for a 3 second delay, turn the wipers to delay, immediately turn them off, wait three seconds and turn them back on. for a 6 second delay, turn them on, immediately turn them off, wait 6 seconds and turn them back on.
What is a programmable timer?
A programmable timer usually just means a timer that can be programmed to go off at any time.
Why does your pump turn-off by itself when the timer is not on?
If the timer is not on then how can the pump turn off? The timer should have to be on for the pump to run in the first place. Can you ask the question in a different manner? Ken
