Do not use this product in safety circuits such as those designed to
protect human workers.
●
This product does not employ an explosion-proof construction. Do not
use it in the presence of flammable gasses, liquids, or powders.
●
This is a direct current power supply type sensor. Application of an
alternating current may result in explosion or fire.
●
Installation on a DIN track
1) Align the hook on the bottom
of the sensor to the DIN track
●
Installation using the included
mounting bracket (AP-
V41A(P)).
as shown below. Lower the sensor in the direction indicated by
➁while pressing on the sensor
in the direction indicated by ➀.
2) When removing the sensor, lift
the sensor as shown in ➂ while
pushing on the sensor in the direction indicated by ➀.
4. Additional Amplifier installation
A single AP-V41A(P) sensor can be expanded
with the following number of slave units:
* The same applies to the PNP type of the
respective models.
1) Remove the AP-V41A(P)’s
expansion protective cover.
2)Install the amps onto the DIN
track one at a time.
■ Accessories
●
1 sensor head
connector
●
1 mounting bracket
●
2 end units (included
with AP-V42A(P)
(included with APV41A(P))
2. Part Names
●
1 expansion seal
(included with
AP-V42A(P)
●
1 instruction
manual
3) Insert the 2 hooks on each slave
unit into the groove on the APV41A(P) until they click into
place.
4) Attach an end unit to each side
of the chain of amp units.
Sandwich the amps securely
between the end units and use
a Phillips head screwdriver to
tighten the screws on the top of
the end units (2 screws for each
unit).
5. Sensor Head Installation
1) Cut the cable to an appropriate
length and strip away about 25
mm of the outermost insulation.
Note: It is not necessary to
remove insulation from the
core wires.
2) Insert the cables after aligning
them with the colors on the seal
on top of the connector body.
3) Press together the body and the
connector cover into which the
cables were inserted to make a
connection (use a pair of pliers
or similar tool to press them together).
4) Insert the sensor head connector into the hole on the front of
the amp unit.
To remove the connector, depress the connector lock and
pull it out.
Two detection points may be user-configured, and hysteresis for both
may also be set.
Control output 1
: Turns ON when pressure exceeds setting P1. Turns OFF
when pressure drops the selected hysteresis amount
below P1.
Control output 2:
Turns ON when pressure exceeds setting P2. Turns OFF
when pressure drops the selected hysteresis amount
below P2.
Zero shift input circuit
(AP-V41A•V42A)
Zero shift input circuit
(AP-V41AP•V42AP)
Analog output circuit
(AP-V41A(P) only)
7. Precautions for Safe Use
Follow these guidelines. Failure to do so may result in product damage.
■
Connections
●
Always ground the frame ground terminal when using an off-the-shelf
switching regulator.
●
Use separate conduits for power line and high voltage lines, since use
of a common conduit may result in device malfunction.
●
Improper wiring may result in the device becoming excessively hot or
in device damage.
●
Sensor head connectors that have been pressure-connected once cannot be used again.
■
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 this sensor with corrosive gasses or liquids.
●
Do not insert objects such as wire into the pressure insertion area.
Doing so may result in the device failing to operate properly due to
damage to the pressure-sensitive elements.
●
Do not use sharp-tipped objects to press the setting keys.
8. About Sensor Head Installation
CommonDo not subject the case to pressure sufficient to deform
AP-41(M) • Use a torque of 0.3 N
43 • 44for the sensor head conduits.
AP-48Use a torque of 5 N
its shape during installation.
•
m or lower to tighten the screws
•
m or lower to tighten the screws for
the sensor head conduits.
Take care that no foreign objects enter the sensor when
opening one of the pressure ports to atmospheric air.
Take care not to bend the pressure ports.
Connect the “High” port to the high-pressure side of the
system and the “Low” port to the low-pressure side.
9. Detection Mode Operation
■ General-purpose mode (F-1)
This mode allows the user to configure 2 detection points.
Control output 1: Turns ON when pressure exceeds setting P1.
Control output 2: Turns ON when pressure exceeds setting P2.
■ Window mode (F-3)
The user may select a pair of upper (Hi) and lower (Lo) thresholds, and
the sensor turns OFF when the pressure falls outside of the resulting
range.
*Control output 1 uses a hysteresis of 0.5% of F.S., while control out-
put 2 uses a hysteresis of 0.
■ Application mode 1 (A-1)
This detection mode is optimum for use in suction detection applications.
Recommended heads: AP-41/41M/44
Control output 1:
Suction pressure detection.
Turns ON when pressure exceeds setting P1.
Control output 2:
Detection and confirmation of vacuum burst pressure
detection (or vacuum ultimate pressure).
Turns ON when the pressure falls below setting P2.
Zero shift:Shifts the zero point immediately after setting the zero
shift timer once zero shift input is received.
P1: Pressure setting for control output 1.
T1: Zero shift timer setting (ms)
P2: Pressure setting for control output 2.
*P2 is unrelated to zero shift and is always based on the current ambi-
ent pressure.
■ Application mode 2 (A-2)
This mode is optimum for use in leak test applications.
Recommended head: AP-43
Control output 1
: Leak pressure detection.
Turns ON when pressure falls below setting P1.
*Output only when zero shift input is ON.
Control output 2:
Window comparator output for detection of fill pressure.
Turns OFF when pressure falls outside the range deter-
mined by upper (HI) and lower (Lo) thresholds.
P1: Pressure setting for control output 1.
HI: Upper threshold setting for control output 2.
Lo: Lower threshold setting for control output 2.
*The HI and Lo values are unrelated to zero shift and are always based
on the current ambient pressure.
*Hysteresis during general-purpose mode and application mode 1/2
operation is 0.5% of F.S. during standard and high-speed mode operation, and is 0.1% of F.S. during high-resolution mode operation.
Settings are manually
configured. The
display changes for
each mode.
* Toggling the display
of settings (see the
diagram below).
* The sensor must be
manually configured
to operate in either
F-3 or A-2 mode.
* The sensor cannot
be manually
configured during
the count value
display.
*1 The reference value is the
pressure value when zero
shift input is received and is
replaced only when zero
shift input is selected.
*2 The count value indicates the
number of output times of
Output 1. Once the value
exceeds 19999, it is
displayed as FFFF. The count
value is reset with one of the
following operations:
Press and hold the
+ button.
Power-on
Initialization
Current value
Reference value
Count value
Hold value
10
Flashes
for 3 sec.
Setting
Target object
present
Target object
absent
. Sensor Configuration
■ To ggling the display of settings
●
General-purpose mode/F1
●
Variable hysteresis mode/F-2
●
Window mode/F-3
●
Application mode 1/A-1
●
Application mode 2/A-2
■ Two-point tuning (F-1/F-2)
The sensor is made to detect the pressures when the target object is
present and then absent for confirmation of target suction pick-up, and
the intermediate value is used.
Control output 1 configuration: When P1 (H1) is selected on the settings
display.
Control output 2 configuration: When P2 (H2) is selected on the settings
display.
■ AI tuning/Active tuning (A-1)
See Section 12.
Note:• Press the mode button ( ) for at least 3 seconds to return to the
current value/reference value/count value/hold value display from
other menu displays.
• Press the left side on the manual adjustment button ()
while holding down the mode button ( ) to return to the previous
display.
• The current value will be displayed based on the ambient pressure
conditions prevalent at that time without regard to zero shift input
when the P2 setting display is selected for A-1 mode or when the
HI and Lo setting displays are selected for A-2 mode.
• The sensor must be manually configured to operate in either F-3
or A-2 mode. The SET button ( ) cannot be used with either of
these modes.
3
Page 4
AI tuning
Active 2 point tuning
Active 1 point tuning
Suction
Suction
Vacuum burst
P1P2T1
Automatic
configuration
Automatic
configuration
_
_
_
Automatic
configuration
Automatic
configuration
Manual
configuration
_
ApplicationType
P2
P1
Time
Zero shift input
T1
Vacuum
Device operation
with no target
object present
Operation
for several
cycles
Operation
for several
cycles
Operation
for several
cycles
Step 1)
Step 2)
Step 3)
Device operation
with target
object present
Device operation
with no target
object present
Sensitivity
difference
display
Sampling
Sampling
Sampling
Start
Start
Start
Finish
Finish
Finish
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
Sampling
Start
Start
Finish
Finish
Target object
present
Setting
display
Sampling
StartFinish
11
0
-0.1MPa
O.K.
Zero shift input
Zero shift input
-0.5MPa
N.G.
1MPa
Normal
mode
High-resolution
mode
Head1 V to5 V
AP-41/41M0to-101.3 kPa
AP-430to+1 MPa
AP-44/48-101.3 to +101.3 kPa
. Explanation of Features
■ 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 certain amount of pressure fluctuation without being influenced by changes
in the original pressure.
(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
Note:• Shift input is valid across a range for -3% to +100% of F.S. for a
• The reference value is reset when power to the sensor is turned
button once more to return to the current value display.
shift amount of 0 (0 to 100% for AP-44/48).
off.
■ High-resolution mode
The resolution of all displays is increased by a factor of 10.
12
. AI Tuning/Active Tuning (A-1)
■ Perform these steps first
Select the setting display as indicated below before performing the
tuning procedures.
AI tuning:Select P1 from the settings display.
Active 2 point tuning: Select T1 from the settings display.
Active 1 point tuning: Select P2 from the settings display.
■ AI tuning / tuning optimized for suction detection
AI tuning samples pressure variations during continuous operation and
automatically configures the zero shift timer setting (T1) and pressure
setting (P1) for the most stable possible detection.
■ Analog output
A voltage corresponding to the pressure value is output.
* Ambient pressure compensation is also applied to analog output.
■ Peak/bottom hold display
The maximum (minimum) values are displayed continuously after power to
the sensor is turned on.
When A-1 mode is selected, the following active hold display is activated.
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
Bottom hold value: The bottom hold value will be reset once a value is
■ Power-save
The value display will be turned off during power-save operation to reduce 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.
encountered that exceeds setting P1, and new peak
values will be held from that point.
encountered that falls below setting P2, and new
bottom values will be held from that point.
■ Active 2 point tuning / tuning to correct AI tuning settings
The zero shift timer setting is manually configured, and the sensor automatically selects the best pressure setting (P1) for this value.
■ Active 1 point tuning / tuning optimized for vacuum burst
detection
The sensor automatically selects the best pressure setting (P2) for
vacuum burst detection.
13
. 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.
*Ambient pressure can be corrected within a range of ±5 % of F.S. The
4
corrected ambient pressure will be maintained even if power to the sensor is turned off.
Page 5
• No difference in sensitivity
(during 2 point tuning/AI
tuning/active tuning).
• There is an applied pressure
of ±5 % of F.S. during ambient
pressure compensation.
• There is no sensor head
connected.
• The connection to the sensor head
is broken.
• An excess current is flowing to the
control output.
• Reading is falling below
(exceeding) configuration/display
pressure range.
• Reading is exceeding (falling
below) configuration/display
pressure range.
• The count value exceeds 19999.
• Zero shift timing and threshold
settings are not optimum for
suction detection.
• There were not at least 2 shift
inputs received during AI
tuning/active tuning.
• The pressure for step 2) of the AI
tuning procedure is not higher
Adjust the air pressure device so that
there will be a difference in sensitivity.
Revert to ambient pressure and
readjust sensitivity.
Verify that a sensor head is connected
and turn the power on again.
Check whether the connection to the
sensor head is broken and turn the
power on again.
Check the load and return it to the
rated range.
Return the pressure to the rated
pressure range.
• Return the pressure to the rated
pressure range.
• Reset the count value.
The difference in pressures for a
target object being present and
absent for zero shift timing is too
large. Adjust the settings.
Repeat the active tuning procedure
so that at least 2 shift inputs are
received.
Check the pressure readings when the
target object is present and when it is
DisplayCauseSolution
Detection modeF-1 general-purpose mode
Operating modeStandard
N.O./N.C. switching N.O./N.O.
Analog/zero shift
*1
Zero shift
Chatter prevention2.5 msec
Power-saveStandard
14
Model
Rated pressure
range
Pressure resistance
Adaptive fluids
Pressure type
Temperature
characteristics
Pressure port
Ambient temperature
Relative humidity
Vibration
Shock Resistance
Housing material
Weight
AP-41/41M
AP-43AP-44AP-48
0 to 0 to +101.3 to -101.3 to
-101.3 kPa1.000 MPa-101.3 kPa+101.3 kPa
500 kPa1.5 MPa500 kPa500 kPa
Air, non-corrosive gasses
Gauge pressure
Within ±2 % of F.S. (at 25 °C)
Within
(in temperature range of 0 to 50 °C)
±2 % of F.S.
M5 male screw
PT1/8
(AP-41M is M3 male screw)
0 to +50 °C (No freezing)
35 to 85 % RH (No condensation)
10 to 55 Hz, compound amplitude 1.5 mm, 4 hours for each of XYZ axes
1,000 m/s2, 10 times for each of XYZ axes, total 60 times
Case: PBT; Screws: SUS303
Case: PBT;
Screws: SUS303
7 g (not including cables) / 70 g (including
35 g/98 g
3-m cable) (4.8 g / 67.8 g for AP-41M)
Environmental resistance
*1 *2
Differential
pressure
Model
Head combination
Power supply voltage
Current
consumption
Display method
Configuration/display range
Operating status indicators
Standard mode
High-resolution mode
Repeatability
Hysteresis
Display temperature
characteristics
Response (chatter
prevention feature)
Zero shift input
Control
output
Analog output
Ambient temperature
Relative humidity
Vibration
Housing material
Weight
AP-V41A/V41AP/V42A/V42AP
AP-41MAP-41AP-43AP-44AP-48
12 to 24 VDC±10% Ripple (P-P) 10% max.
4.5 digit 7 segment LED (4.5 mm character height; red)
AI indicator (green) Display cycle: 10 times/second
-15 to +110 % of F.S.
Red LED x 2 (supports control output 1 / control output 2)
0.1 kPa0.1 kPa
0.001 MPa
0.1 kPa0.1kPa
0.01 kPa0.01 kPa0.1 kPa0.02 kPa0.02 kPa
±0.2 % of F.S.
Variable (standard 0.5% of F.S.)
±1% of F.S. max.
Selectable from 1, 2.5, 5, 100, 500 ms
(1 ms during high-speed mode operation)
With contacts, without contacts Input time 2 ms or greater
(With AP-V41A(P), switchable with analog output.)
NPN open collector max. 100 mA
(40 V max.) residual voltage 1 V max., 2 outputs (NO/NC switchable)
PNP open collector max. 100 mA (30 V max.)
residual voltage 1 V max., 2 outputs (NO/NC switchable)
1
to
5 V Output impedance 1 kΩ max.
(Included on AP-V41A (P) only. Switchable with zero shift input.)
0 to +50 °C (No freezing)
35 to 85 % RH (No condensation)
10 to 55 Hz, compound amplitude 1.5 mm, 2 hours for each of XYZ axes
Main unit cover: Polycarbonate
Approx. 80 g (including 2-m cable) Approx. 35 g(not including cables)
Rating
Resolution
Environmental
resistance
*1 *2
*3
*4
AP-V41A
AP-V42A
AP-V41AP
AP-V42AP
Output type
Supplied voltage
Eco mode
Normal
720 mW(60mA)
840 mW(70mA) max.
960 mW(40mA)
1200 mW(50 mA) max.
480 mW(40 mA)
600 mW(50 mA) max.
720 mW(30mA)
960 mW(40 mA) max.
12 V operation
24 V operation
NPNPNPNPNPNP
. Key Lock
Key lock disables operation of the sensor's keys.
When the button is pressed for 3 seconds or more while the button is being held down, the display will flash and the key lock
feature will be engaged.
This feature disables changes to sensor settings but allows switching of
the display.
*The same key combination will deactivate the key lock feature.
15
. Default Mode Settings (Initialization)
The sensor ships with the following configuration.
*1 AP-V41/V41P only.
*Press button 5 times while holding down the button to
return the sensor to its default configuration.
16
. Specifications
■ Sensor head
17
. Error Displays and Corrective Actions
■ Error displays during normal operation
■ Amplifier
*1 AP-V41AP/42AP are PNP output types.
*2 The amplifier type with the letter “A” attached on its tail has the count value dis-
*3 0.1% of F.S. when high-resolution mode is selected.
*4 Max. 20 mA when using expansion units.
play function. Also, the amplifier’s response toward the signals from the head is
faster.
* Contact KEYENCE for information about error displays other than those described
above.
WARRANTY
(1) KEYENCE warrants the Products to be free of defects in materials and workmanship for
a period of one (1) year from the date of shipment. If any models or samples were
shown to Buyer, such models or samples were used merely to illustrate the general type
and quality of the Products and not to represent that the Products would necessarily
conform to said models or samples. Any Products found to be defective must be
shipped to KEYENCE with all shipping costs paid by Buyer or offered to KEYENCE for
inspection and examination. Upon examination by KEYENCE, KEYENCE, at its sole
option, will refund the purchase price of, or repair or replace at no charge any Products
found to be defective. This warranty does not apply to any defects resulting from any
action of Buyer, including but not limited to improper installation, improper interfacing,
improper repair, unauthorized modification, misapplication and mishandling, such as
exposure to excessive current, heat, coldness, moisture, vibration or outdoors air.
Components which wear are not warranted.
(2) KEYENCE is pleased to offer suggestions on the use of its various Products. They are
only suggestions, and it is Buyer’s responsibility to ascertain the fitness of the Products
for Buyer’s intended use. KEYENCE will not be responsible for any damages that may
result from the use of the Products.
(3) The Products and any samples ("Products/Samples") supplied to Buyer are not to be
used internally in humans, for human transportation, as safety devices or fail-safe
systems, unless their written specifications state otherwise. Should any Products/
Samples be used in such a manner or misused in any way, KEYENCE assumes no
responsibility, and additionally Buyer will indemnify KEYENCE and hold KEYENCE
harmless from any liability or damage whatsoever arising out of any misuse of the
Products/Samples.
(4) OTHER THAN AS STATED HEREIN, THE PRODUCTS/SAMPLES ARE PROVIDED
WITH NO OTHER WARRANTIES WHATSOEVER. ALL EXPRESS, IMPLIED, AND
STATUTORY WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
AND NON-INFRINGEMENT OF PROPRIETARY RIGHTS, ARE EXPRESSLY
DISCLAIMED. IN NO EVENT SHALL KEYENCE AND ITS A FFILIATED ENTITIES
BE LIABLE TO ANY PERSON OR ENTITY FOR ANY DIRECT, INDIRECT,
INCIDENTAL, PUNITIVE, SPECIAL OR CONSEQUENTIAL DAMAGES (INCLUDING,
WITHOUT LIMITATION, ANY DAMAGES RESULTING FROM LOSS OF USE,
BUSINESS INTERRUPTION, LOSS OF INFORMATION, LOSS OR INACCURACY OF
DATA, LOSS OF PROFITS, LOSS OF SAVINGS, THE COST OF PROCUREMENT
OF SUBSTITUTED GOODS, SERVICES OR TECHNOLOGIES, OR FOR ANY
MATTER ARISING OUT OF OR IN CONNECTION WITH THE USE OR INABILITY TO
USE THE PRODUCTS, EVEN IF KEYENCE OR ONE OF ITS AFFILIATED ENTITIES
WAS ADVISED OF A POSSIBLE THIRD PARTY’S CLAIM FOR DAMAGES OR ANY
OTHER CLAIM AGAINST BUYER. In some jurisdictions, some of the foregoing
warranty disclaimers or damage limitations may not apply.
BUYER’S TRANSFER OBLIGATIONS:
If the Products/Samples purchased by Buyer are to be resold or delivered to a third
party, Buyer must provide such third party with a copy of this document, all
specifications, manuals, catalogs, leaflets and written information provided to Buyer
pertaining to the Products/Samples.
Copyright (c) 2003 KEYENCE CORPORATION. All rights reserved.
1373E 1111-2 96M1373 Printed in Japan
5
E 1110-2
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