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TIMERS AND COUNTERS Flashcards | StudBud
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TIMERS AND COUNTERS
TIMERS AND COUNTERS
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A game to see how well we know timers, after doing the worksheet. #timers #chapter16
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1
When using a ___ for a control circuit, no relay is actually wired into the circuit.
symmetrical recycle timer
555 timer
PLR
multi-function timer
2
_ timers are the oldest type of industrial timers
Synchronous clock
Control logic
Dashpot
Solid-state
3
The _ section of a PLR is where the circuit's digital switches are connected.
input
troubleshooting
output
programming
4
A _ is used to indicate the condition (ON or OFF0 of each load during the 3 stages of the timer
number
code
triangle
square
5
Dashpot, synchronous clock, and solid-state timers are __ timers.
programmable
stand-alone
plug-in
analog
6
The most common problem of contact-based timing circuits is _ failure.
contact
timer coil
control circuit
power circuit
7
_ timers are the most common type of timer in use.
Off-delay
On-delay
Interval
Recycle
8
A(n) _ timer may also be used for plugging a motor to a stop during emergency stops
memory
one-shot
on-delay
off-delay
9
_ timers are normally discarded when they fail since they cost less than other timers.
Dashpot
Synchronous clock
Solid-state
Piston
10
_ timers are the most common stand-alone timer used in control applications today.
Control Logic
Dashpot
Solid-state
Synchronous clock
11
A _timer doesn't maintain its accumulated time value when its control input is interrupted
nonretentive
on-delay
dashpot
off-delay
12
A_ clock allows for outputs to be turned on & off at preset times of a day and days of the week
real-time
timetable
calendar
function block
13
A _timer maintains its current accumulated time value when power is removed
real-time clock
dashpot
retentive
on-delay
14
A(n) _ timer can be designed to open or close a circuit after a preset time delay.
interval
off-delay
storage
on-delay
15
Programmable timers include ____ and ____
totalizers; counters
contacts; relays
control circuits; ladder diagrams
retentive; nonretentive
16
A(n) _ timer is a device where the contacts cycle open and closed repeatedly once it has power
dual in-line
one-shot
interval
recycle
17
A(n) _ can be used when only the total number of units or events is required to be known.
down counter
totalizer
up counter
up/down counter
18
A timer that requires the control switch to be connected so it controls power to the timer coil
supply voltage
capacitor
transistor
sensor
19
A _ is the electronic equivalent of a toggle switch.
flip-flop
voltage divider
transistor
comparator
20
A variable resistor and a(n) _ are used to determine the amount of time delay in a 555 timer.
amplifier
resistor
solenoid
capacitor
21
The advantage of the _ control method is the control switch can be wired using low voltage wire
supply voltage
contact
solenoid
sensor
22
A(n) "_" indicates when the load is de-energized.
E
D
X
O
23
A _ timer is used to provide time delay by controlling air or liquid to pass through an orifice
dashpot
piston
programmable logic
fluid-controlled
24
A(n) _ recycle timer is a timer that has independent adjustments for the on & off time periods
storage
dual-function
asymmetrical
retentive
25
A _ timer is an integrated circuit (IC) that can function as either a timer or an oscillator
flip-flop
transistor-controlled
555
comparator