Keyence AP-C40(P) Series User Manual download pdf (Page 4)

. Explanation of Features

■ Focus mode

Focus mode increases all display resolutions by a factor of 10.

Normal mode Focus mode

The following focus center pressures can be selected for the models

noted in the table below. (Unit: kPa)

-20.0 / -30.0 / -40.0 / -50.0 / -60.0 / -70.0 / -80.0

200 / 300 / 400 / 500 / 600 / 700 / 800

80.0 / 60.0 / 40.0 / 20.0 / 0.0 / -20.0 / -40.0 / -60.0 / -80.0

-80.0 / -60.0 / -40.0 / -20.0 / 0.0 / 20.0 / 40.0 / 60.0 / 80.0

* The current value is displayed as ±20% of the F.S. range with the

focus center pressure as the reference value (0).

■ Zero shift

Zero shift input forces the pressure at that time to be defined as zero.

This feature is useful in applications that require the detection of a cer-

tain amount of pressure fluctuation without being influenced by changes

in the original pressure.

-0.1MPa

O.K.

Zero shift input

-0.5MPa

N.G.

1MPa

(Example: leak testing)

Zero shift input received when a container is filled with air will allow the

amount of leak after a certain time to be displayed as negative pressure.

This approach eliminates the influence of small variations in the final fill

pressure of the container.

The pressure value (reference value) when zero shift input is received

can be verified from the current value display by pressing the button

to switch to the reference value display.

( ⇔ )

Press the button once more to return to the current value display.

■ Analog output

A voltage corresponding to the pressure value is output.

* Ambient pressure compensation is also applied to analog output.

Head 1 V to 5 V

AP-41/41M 0to-101.3 kPa

AP-43 0to+1 MPa

AP-44/48 -101.3 to +101.3 kPa

* When focus mode is being used, the analog output will not be focused.

■ Peak/bottom hold display

The maximum (minimum) values are displayed continuously after power to

the sensor is turned on.

The active hold display indicated below is used when the A-1 mode is selected.

How to display hold values/

From current value/reference value display

+ /

Activates peak hold display.

+ /Activates bottom hold display.

The minimum value during zero shift input is displayed for the bottom

hold during A-2 mode operation.

Resetting the peak/bottom hold values/

Pressing for 3 seconds or more while the peak and bottom hold

values are being displayed will reset the values.

*The values will also be reset when power to the sensor is turned off,

and when the device's detection mode or operating mode is changed.

●

During A-1 mode operation (active hold display)

The hold values are reset each time the pressure value exceeds (or falls

below) the setting, and the peak hold (bottom hold) will then vary from

this point.

Peak hold value:

The peak hold value will be reset once a value is

encountered that exceeds setting P1, and new peak

values will be held from that point.

Bottom hold value:

The bottom hold value will be reset once a value is

encountered that falls below setting P2, and new

bottom values will be held from that point.

■ Power-save

The value display will be turned off during power-save operation to re-

duce the amount of power consumed.

●

Use of any keys during eco mode operation will revert the sensor to

its normal display. The sensor will return to the eco display when

there is no key input for a period of 3 minutes.

■ Switching the display color

Corresponds to either output 1 or output 2 based on which setting dis-

play has been selected.

* rGr can only be set when either the F-1 or F-2 mode is selected.

Values that fall between the P1 and P2 settings will be displayed in

green, while values outside that range will be displayed in red.

. Active Tuning

Active 2 point tuning

Active 1 point tuning

Suction

Vacuum burst

P1 P2 T1

Automatic

configuration

Automatic

configuration

Manual

configuration

ApplicationType

Time

Zero shift input

Vacuum

■ Perform these steps first

Select the setting display as indicated below before performing the

tuning procedures.

Active 2 point tuning: Select either P1 or T1 for the setting display.

Active 1 point tuning: Select P2 from the settings display.

■ Active 2 point tuning / a tuning method suited for auto-

matically configuring suction pick-up detection pressures

The zero shift timer setting is manually configured, and the sensor au-

tomatically selects the best pressure setting (P1) for this value.

Step 1)

Step 2)

Device operation

with no target

object present

Operation

for several

cycles

Operation

for several

cycles

Device operation

with target

object present

Sensitivity

difference

display

Sampling

Start

Finish

■ Active 1 point tuning / tuning optimized for vacuum burst

detection

The sensor automatically selects the best pressure setting (P2) for

vacuum burst detection.

Target object

present

Setting

display

Sampling

Start Finish

. Ambient Pressure Compensation

Open the applied pressure to the surrounding air so that it equals the

ambient pressure and press the button for 3 seconds or more while

the current value or reference value is being displayed.

The ambient pressure point will be corrected.

*1 Ambient pressure can be corrected within a range of ±5 % of F.S.

When atmospheric pressure compensation has been performed, the

settings will be saved even when power to the sensor is turned off.

*2 Can also be used when operating in focus mode, although for some

center pressures the display will read FFF.

(Atmospheric pressure compensation is being performed.)

.Key Lock

Disables operations that would modify the sensor’s configuration. Display

content can be toggled.

Pressing and holding either or for at least 3 seconds while pressing

button will lock the keypad and cause the display to flash.

* The same key combination will deactivate the key lock feature.

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Keyence AP-C40(P) Series User Manual Page 4

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