KEYENCE AP-40P User Manual

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AP-41

Separate Amplifier Type

M5 (Male)

ø6

ø4

ø6

ø4

Rc(PT)1/8

Pressure Sensor

96M0761

FEATURES

● Separate amplifier-type pressure sensor

Faster response is achieved by reducing the total capacity of piping.

● Two-color, LED digital display

High-intensity, two-color LED ensures high visibility. Four types of display patterns are selectable.

AP-40(P) Series

Instruction Manual

PART NAMES AND FUNCTIONS

■ Amplifier

AUTO key

In auto-tuning mode, use this key to detect pressure. In measurement mode, press this key for 2 seconds or more to adjust the zero-point.

SET key

Use this key to display or change preset values.

Output indicator 2

(Green LED)

Screw hole

Use this hole to bolt the mounting bracket with a hexagonal socket bolt.

Top side

Front side

Bottom side

Output indicator 1

(Red LED)

UP/DOWN key

Use these keys to set output modes, or to change preset values or units.

Display unit label

Connector port

Insert the sensor head connector.

Connector cover

● Chattering prevention function

The instantaneous drops in base pressure due to the activation of a large-bore ejector or other devices can be canceled. This eliminates the need for preparing a sequence program.

● Automatic sensor head recognition function

When the power is turned on, the amplifier checks the sensor head connection automatically. A recognized sensor head type appears green on the display for 0.5 seconds.

● Industry's smallest and lightest sensor head (AP-41M)

This sensor head with half the volume of conventional models weighs only 4.8 g, enabling flexible mounting.

● Zero-shift function (AP-40Z)

The current pressure value can be reset to 0 at any time in order to prevent measurements from being affected by fluctuations in base pressure.

Amplifier accessories

• Instruction manual: 1

• Hexagonal socket bolt: 2

Reference:

DIN-rail mounting or panel mounting is also available. (Optional brackets are required.)

Sensor head accessories

Spare connector: 1 Mini-wrench: 1

Piping options

OP-33155 Screw pipe joint

•Mounting bracket A: 1

(for AP-41M only)

OP-35388 PT 1/8 conversion joint

•Mounting bracket B: 1

Hexagonal socket bolts

■ Sensor head

Sensor head AP-41(M)/43/44

Connector

OP-33156 T-shaped quickrelease joint (ø4)

OP-42220 T-shaped quick release joint (M3)

OP-33157 T-shaped quick-release joint (ø6)

OP-33158 Reducer

Orange Brown Blue Gray

1 2 3 4

CAUTION

MOUNTING

Brown

Black or white

Blue

12 to 24 VDC

0 V

Load

Brown

Black or white

Blue

12 to 24 VDC

4.7 k Ω

0 V

Voltage output

Brown

Black

Blue

12 to 24 VDC

0 V

White

(Control output 1)

(Control output 2)

Load

Pressure sensor main circuit

Over current

protection circuit

Blue

Pink

Pressure sensor

main circuit

12 to 24 VDC

3.3 k Ω

11 kΩ

Blue

Pink

Analog output (+)

0 V

Protection circuit

Pressure sensor

main circuit

CAUTION

Brown

Black or white

Blue

12 to 24 VDC

0 V

Load

Brown

Black or white

Blue

12 to 24 VDC

4.7 k Ω

0 V

Voltage output

Brown

Black

Blue

12 to 24 VDC

0 V

White

(Control output 1)

(Control output 2)

Load

Over current

protection circuit

Pressure sensor main circuit

■ AP-40/40Z/40P

As shown in the figure with "Amplifier accessories" on page 1, attach the mounting bracket to the amplifier with hexagonal socket bolts. The mounting bracket can be attached laterally according to the location.

To avoid breakage, limit the tightening torque for the hexagonal socket bolt to 0.3 N•m.

■ AP-41(M)/43/44

Limit the tightening torque for the screw hole of the sensor head to 0.3 N•m.

■ Zero-point adjustment

At normal atmospheric pressure (1 atm.), press A for at least 2 seconds in measurement mode. The display changes to “----”, then to “0”. The zero adjustment function can be used when the pressure is within ±5% of F.S.

CONNECTIONS AND INPUT/OUTPUT CIRCUIT

AP-40/40Z AP-40P

■ Connections

• Drive current load • Drive current load

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

BASIC OPERATION

Basic operation (See also "ADJUSTMENT" on page 4.) <Example>

● Checking the suction condition

1. Select F-3 (2-independent mode) and return to the measurement mode.

➮ Refer to the setting in "Operation Mode" on the left-hand side of page 4.

2. Enter the target pressure value (A) and return to the measurement mode. (You can specify another target pressure value (b).)

➮ Refer to the setting in "Preset Value Input Mode" on the right-hand side of

page 4.

3. Start detection.

● Base pressure control

1. Select F-4 (Window mode) and return to the measurement mode.

➮ Refer to the setting in "Operation Mode" on the left-hand side of page 4.

2. Enter the upper (H) and lower (L) limit values of the allowable pressure and return to the measurement mode.

➮ Refer to the setting in "Preset Value Input Mode" on the right-hand side of

page 4.

3. Start detection.

ATTACHING A SPARE CONNECTOR

Use the spare connector to change the length of the sensor head cable. Cables as long as 10 m can be used.

1. If the connector cover is fitted into the connector body, open the cover.

Connector body

Slotted screwdriver

2. Lift the end of the cover.

• Input to voltage input • Input to voltage input equipment equipment

■ Input/output circuit

• Output circuit • Output circuit

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

AP-40Z (Z type only)

• Input circuit (Zero-shift input)

Zero-shift input resets the display to “0” at the rising edge of the signal.

AP-40/40P (40/40P type only)

• Analog output circuit

Connector cover

1. Widen the gap.

2. Cut a cable to the appropriate length and strip off the sheath for approximately 25 mm from the end.

Approx. 25 mm

Note: It is not necessary to remove the sheath of the core wire.

3. Insert the cables into the proper holes as deep as possible. Then, press the connector cover into the body with pliers.

Reference:

Note 1: Do not allow the cable to protrude from the other end of the

connector cover. Note 2: Ensure that the cables are inserted as far as they will go. If the inserted length is insufficient, the press-fitting fails.

SAFETY PRECAUTIONS

Be sure to follow the instructions below to avoid malfunctions.

■ Connection

• When using a commercially available switching regulator, be sure to ground the frame ground terminals.

• Isolate the sensor’s wiring from power lines or high-voltage lines; otherwise, the sensor may malfunction due to noise interference.

• The amplifier becomes hot or breaks down due to improper wiring.

• The press-fitting is available only once for each sensor head connector.

■ Notice about CE marking

• Attach the ferrite core (OP-87505) if you extend a sensor head cable/ amplifier power cable to 3 m or more to use. (Attachment position: within 100 mm from the amplifier unit of a power cable, Number of turns: 2)

■ Other

• Do not use the AP-40 Series for the detection of corrosive gases or liquid.

• Do not insert any objects, such as wires, from the pressure port. The pressure-sensing element may break, resulting in malfunctions.

• Do not press the front panel keys with a pointed object.

• The AP-40 Series does not have an explosion-proof structure. Do not use it for the detection of flammable gases.

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Preset value C

b 0

OFF

Control output 1

(OUT 1)

Control output 2

(OUT 2)

Pressure

Preset value H

H-h

OFF

Control output 2

(OUT 2)

Control output 1

(OUT 1)

Pressure

Preset value A

Preset value b

OFF

Control output 2

(OUT 2)

Control output 1

(OUT 1)

Pressure

Preset value H

Preset value L

OFF

Control output 1

(OUT 1)

Control output 2

(OUT 2)

Pressure

OTHER FUNCTIONS

▼

1 MPa

Atmospheric

pressure

Zero-shift input

-0.1 MPa is acceptable.

-0.6 MPa is not acceptable.

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■ Zero-shift function (AP-40Z type only)

The zero-shift function is used to reset the current pressure value to “0” using an external signal input, in order to prevent measurements from being affected by fluctuations in base pressure.

Example: Leakage test

Input a zero-shift value after air supply is completed so that air leakage after a specified time is displayed as a negative value. The AP-40’s detection is unaffected by fluctuations in air supply volume. When the power is turned off, the value updated after the zero-shift input (zero-shift value) is lost.

Note 1: The zero-shift function cannot be used in auto-tuning mode. Note 2: The zero-shift input is effective when the current pressure is

between -3% of F.S. and 100% of F.S. for a shift of 0 (P = 0). Note 3: If the applied pressure is outside the range of -15% to 110% of the rated pressure, “-FFF” or “ FFF” appears. Note 4: The display range for the zero-shift focus mode is ±19.9%. When the pressure value is out of this range, “-FF” or “FF” is displayed.

■ Analog output function (AP-40 only)

The voltage value according to the pressure value is output.

■ Peak-hold/bottom-hold display function

The AP-40 Series internally updates the peak-hold and bottom-hold values at all times.

● To display hold values

• While ▲ is held down in measurement mode, the peak-hold value is displayed.

• While ▼ is held down in measurement mode, the bottom-hold value is displayed.

● To reset the peak-hold and bottom-hold values

• Hold down ▲ and press ▼ in measurement mode.

● The peak-hold and bottom-hold values are also reset using the following procedure.

• Turn the power off.

• Press for 3 seconds or more and change any settings.

Note: The hold values cannot be displayed when the front panel keys are locked with the key protection function. Disable the function before displaying the hold values.

■ Key protection

The key protection function is used to lock the front panel key in order to prevent preset values from being accidentally changed. To enable the key protection function, hold down A and press ▲. “Loc” flashes for 2 seconds and the keys are locked. To disable the key protection function, again hold down A and press

. “unL” flashes for 2 seconds and the keys are unlocked. Using the EEPROM, the AP-40 Series can retain the preset values even if the power is turned off.

■ Display color selection

You can set the color of the LED display either to the two-color mode which displays the numerical value in green or red according to OUT1, or to the single color mode which always shows the value in red or green. The two-color display allows you to check the output condition at a glance. (Refer to “ADJUSTMENT” on page 4 for the setting procedure.) In two-color mode (2-[) (Regardless of N.O./N.C. selection)

• When OUT1 is turned on: Red

• When OUT1 is turned off: Green

ERROR INDICATIONS AND REMEDIES

OPERATION MODE SELECTION

■ Auto-tuning mode (F-1)

Using the AUTO key, detect the upper limit value (A) and the lower limit value (b). The detection level (C) is automatically set at the midpoint between the two values. (You can finely adjust the preset value C within the range between A and b.)

Control output 1: The sensor turns on when the pressure exceeds the Control output 2: The sensor turns on when the pressure goes outside

■ Hysteresis mode (F-2)

Set desired detection level (H) and hysteresis (h) for the detection. Control output 1: The sensor turns on when the pressure exceeds the

Control output 2: The sensor turns on when the pressure goes outside

■ 2-independent mode (F-3)

Set two desired detection points (A and B). Control output 1: The sensor turns on when the pressure exceeds the

Control output 2: The sensor turns on when the pressure exceeds the

■ Window mode (F-4)

Set desired upper limit value (H) and lower limit value (L). Control output 1: The sensor turns off when the pressure goes outside

Control output 2: The sensor turns off when the pressure goes outside

preset value C. the stability levels.

* The stability levels are

automatically set as shown in the following calculations.

(A + C)

SH =

(C + b)

SL =

preset value H. When the pressure falls by the preset value h, the sensor turns off.

the hysteresis width (H - h).

h: Hysteresis width of OUT1 * When h is set to a

value close to 0, if pressure fluctuates around the detection point, OUT1 will chatter.

preset value A. preset value b.

of the range between the upper limit value (H) and lower limit value (L).

of the stability levels.

* The stability levels are

automatically set as shown in the following calculations.

Note 1: The above description shows the operation of control outputs 1 and 2 when the output selector switch is set to N.O.

SH = H –

SL = L +

(H - L)

When the output selector switch is set to N.C., the operation of control outputs 1 and 2 is inverted. Note 2: Except for OUT1 in hysteresis mode, each control output includes an internal hysteresis of 0.5% of F.S.

▼

▲

ADJUSTMENT

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• • •

(Measurement mode)

Current value

Flashes alternately

Current upper (lower) limit value A

Current upper (lower) limit value b

The set value C displays.

(C=

A + b

)

The updated value displays for 1 sec.

❋ ❋ ❋ ❋

• • •

(Measurement mode)

Flashes alternately

Current value

Flashes alternately

Set the desired value using

❋ ❋ ❋ ❋

Flashes alternately

Set the desired value using

• • •

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Press the button for 3 seconds or more.

▲

Measurement mode

■ Unit Setting

Determine the desired units.

In measurement mode, press for at least 3 seconds. “- - - -” appears first, and then the current units are displayed. Use ▲ or

to select the desired units. Pressing completes the unit

setting procedure and enters operation mode selection.

* When the units are changed, the preset values are automatically

converted to appropriate values for the updated units.

▲

Press the button once.

■ Operation Mode

Determine the desired operation mode. (➮ Refer to “OPERATION MODE SELECTION” on page 3.)

The current operation mode is displayed. Use the operation mode. Pressing completes the operation mode setting procedure and enters N.O./N.C. selection.

or ▼ to select

Press the button

▲

once.

■ Preset Value Input Mode

Determine the preset values.

● Auto-tuning mode (F-1)

1. In measurement mode with the current measured value displayed, press . The AP-40 enters the preset value input mode.

2. “A” and the current preset value flash alternately.

3. Position the target at the desired upper (lower) limit.

4. Press A to register the value. The updated value is displayed for 1 second.

5. “b” and the current preset value flash alternately.

6. Position the target at the desired lower (upper) limit.

7. Press A to register the value. The updated value is displayed for 1 second.

8. “C” and the calculated preset value C flash alternately. (You can change the C value to any value between A and b using ▲ or ▼.)

9. Press to register the C value. The setting procedure is completed and the unit returns to measurement mode.

* To confirm the preset value, press repeatedly.

▲

Press the button once.

■ N.O./N.C. Selection

Select N.O. (normally open) or N.C. (normally closed).

The current selection of “no” (normally open) or “nc” (normally closed) is displayed. Use ▲ or ▼ to select the desired mode. Pressing completes the N.O./N.C. selection procedure and enters the chattering prevention setting.

▲

Press the button once.

■ Chattering Prevention

Determine the desired response time.

The current response time is displayed. Use ▲ or ▼ to select the response time. Pressing completes the setting procedure and enters the display color selection.

▲

Press the button once.

■ Display Color Selection

Determine the desired LED color for numerical value display.

The current color is displayed. Use

or ▼ to select the color. Pressing completes the setting procedure and returns to the measurement mode.

Press the button once.

* The setting is saved

in the EEPROM.

• Example of auto-tuning mode setting: Confirmation of work piece pick-up.

Set the upper limit (A) to the position where the work piece is taken. Set the lower limit (b) to the position where the nozzle becomes open after releasing the work piece. Press A to register the upper and lower limit values. The C value is automatically set to the midpoint between the upper and lower limit values.

■ Hysteresis Mode (F-2), 2-independent Output Mode (F-3), Window Mode (F-4)

1. In measurement mode with the current measured value displayed, press . The AP-40 enters the preset value input mode.

2. “H” 1. and the current preset value flash alternately.

3. Use ▲ or ▼ to change the value to the desired value. Press to register the updated H value.

4. “h” 2. and the current preset value flash alternately.

5. Use ▲ or ▼ to change the value to the desired value. Press to register the updated h value.

6. “P” 3. and the shift value of the zero-shift adjustment flash alternately.

8. Press to complete the setting procedure and return to measurement mode.

* To confirm the preset value, press repeatedly.

[Example: In hysteresis mode]

1. “A” appears in the 2-independent output mode.

2. “b” appears in the 2-independent output mode. “L” appears in the window mode.

3. Shown with Z type only.

Press the button once. * The setting is saved

in the EEPROM.

Note 1: When the operation mode is changed, check the preset values in the preset value input mode.

Note 2: Perform the zero-shift adjustment periodically. Note 3: The initial output voltage may fluctuate by ±1.0% immediately

after the power is turned on. To measure minute differences in pressure, let the sensor warm up for approximately 15 to 30 minutes. Note 4: The amount of zero shift ("P") is displayed without multiplication even in the zero-shift focus mode.

SPECIFICATIONS

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Cable length: 2 m ø4 (5 x 0.18 mm

)

2 x M3 screw

t=1.5

2-ø4.5 mounting hole

45.5

t=1.5

2-ø4.5

4-ø3.5

t=1.5

2-ø4.5

4-ø3.5

8.6

t=1.5

45.5

M5 screw

Cable length: 3 m (oil-resistant, flexible type) ø3.6 (4 x 0.18 mm

core)

20 135.5

Cable length: 3 m (oil-resistant, flexible type) ø3.6 (4 x 0.18 mm

core)

9.8 9.2

0.9

617.3

10.3

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0.5

6.7

Sensor head

DIMENSIONS

AP-40/40Z

Unit: mm

Amplifier

When mounting bracket A is attached

[Top view]

Mounting bracket A (Accessory)

AP-41M

When mounting bracket B is attached

[Side view]

Mounting bracket B (Accessory)

1. Not provided with the AP-40Z.

2. Optional panel mounting brackets: OP-31357 (black), OP-32808 (gray) and OP-42192 (for a 5 mm-thick panel)

WARRANTIES AND DISCLAIMERS

KEYENCE, at its sole option, will refund, repair or replace at no charge any defective Products within 1 year from the date of shipment. Unless stated otherwise herein, the Products should not be used internally in humans, for human transportation, as safety devices or fail-safe systems. EXCEPT FOR

THE FOREGOING, ALL EXPRESS, IMPLIED AND STATUTORY WARRANTIES, INCLUDING WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF PROPRIETARY RIGHTS, ARE EXPRESSLY DISCLAIMED. KEYENCE SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL OR OTHER DAMAGES, EVEN IF DAMAGES RESULT FROM THE USE OF THE PRODUCTS IN ACCORDANCE WITH ANY SUGGESTIONS OR INFORMATION PROVIDED BY KEYENCE. In some

may not apply.

urisdictions, some of the foregoing warranty disclaimers or damage limitations

AP-41/43/44

E 1101-3

KEYENCE AP-40P User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

FEATURES

PART NAMES AND FUNCTIONS

MOUNTING

CONNECTIONS AND INPUT/OUTPUT CIRCUIT

BASIC OPERATION

ATTACHING A SPARE CONNECTOR

SAFETY PRECAUTIONS

OTHER FUNCTIONS

ERROR INDICATIONS AND REMEDIES

OPERATION MODE SELECTION

ADJUSTMENT

SPECIFICATIONS

DIMENSIONS

WARRANTIES AND DISCLAIMERS