Lesson 2

Question 1

Is a device that can be used to count the number of times an operation is performed.

It counts the number of ON/OFF signals received from input equipment, such as switches and sensors.

Answer 1

Counter

Question 2

A type of counter that accepts pre-determined set value or target before the operation begins.

It also sends output signal when it reaches the set value.

Answer 2

Preset Counter

Question 3

A type of counter that performs display and doesn’t send any output signal.

It is only used to show the total number of individual products counted.

Answer 3

Totalizer

Question 4

A counter only counts the number of times an input device connected to the counter turns ON/OFF. This ON/OFF signal is called?

Answer 4

Pulse

Question 5

Refers to returning “present value”

Answer 5

Reset

Question 6

Resets by pressing the reset key.

Answer 6

Manual Reset

Question 7

Resets the counter by providing signal from an external input device to the reset input signal terminal.

Answer 7

External Reset

Question 8

It will automatically reset when the set value is reached

Answer 8

Automatic reset

Question 9

Resets the counter by turning OFF and then ON the power to the counter.

This kind of reset is not available with counters that have memory backup function.

Answer 9

Power on reset