Ultra-compact Digital
WARNING
Hold in place
with wrench
(12mm).
Hold in place with
wrench (12 mm).
Hexagonal
wrench (5mm)
Valve plug with
hexagonal hole
CAUTION
SET AP-C33 MODE
MPa
21
Pressure display unit
Pressure display
Mode button
Manual adjustment button
Set button
Wiring
connector
Pressure
port (rear)
Pressure port
(side)
Mounting screws
(M3 x 2)
Operational indicator
Output 1 Output 2
1 2
Approx. 90
Pressure Sensor
AP-C30 (P) Series
Instruction Manual
1. Safety Precautions
●
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.
96M1312
3. Pipe Connections
You can select from one of two pressure ports: one on the back of the
sensor that can accommodate a pipe leading directly away from the back
of the sensor, and one on the side of the sensor to accommodate a pipe
leading away from the sensor at a right angle.
1) The pressure port is 1/8 of Rc (PT). Commercially available air pressure joints and nipples can be used with the port.
When attaching the joint, use a wrench to hold the pressure port in
place as illustrated below.
2) Attach the included valve plug to the pressure port not being used.
Accessories
■
●
●
2. Part Names
1 connector cable (2 m)
1 valve plug with hexagonal hole
●
1 unit scale label
(AP-C33 only)
●
1 instruction
manual
• Do not use a torque in excess of 10 Nm when tightening the joint.
Doing so may damage the joint.
• Apply sealing tape when attaching the joint in order to prevent air leaks.
4. Mounting Brackets (option)
Dedicated mounting hardware is available for the sensor, allowing it to
be installed in a range of locations.
Horizontal mounting bracket Wall mounting bracket
(AP-BO1) (AP-BO2)
Faceplate/ceiling mounting bracket Tilted mounting bracket
(AP-BO3) (AP-BO4)
Substitution bracket
(AP-BO5)
1
AP-AO1 Panel mounting bracket
SET AP-C33 MODE
MPa
SET AP-C40 MODE
MPa
Panel mounting ring
Panel-mounted sample
Front protective
cover
Panel-mounted sample
Connector cable
Side where the metallic
contacts are visible faces up.
12 to 24 VDC
5 to 40 VDC
5 to 40 VDC
0V
Main circuit
Overcurrent
protection circuit
Load
Load
Input/output
circuit
Analog output/
zero shift input: switchable
Brown
Blue
Black
White
Pink
12 to 24 VDC
0V
Main circuit
Overcurrent
protection circuit
Input/output
circuit
Analog output/
zero shift input: switchable
Brown
Blue
Black
White
Pink
Load
Load
Analog
output (1 to 5 V)
0 V
Main
circuit
Blue
Pink
(Short-circuit current 5 mA max.)
Main
circuit
Blue
Pink
12 to 24 VDC
Main
circuit
Pink
(Short-circuit current 5 mA max.)
Brown
CAUTION
<Output 1>
P1
0
Output 1
OFF ON OFF
P2
0
OFF ON OFF
<Output 2>
Output 2
<Output 1>
P1
H1
Output 1
OFF ON OFF
0
P2
OFF ON OFF
H2
0
<Output 2>
Output 2
Hi
Lo
Output1/Output2
OFF ON ONOFF OFF
<Output 1/Output 2>
0
<Output 1>
P1
Output 1
OFF ON OFF
0
<Output 2>
0
Output 2
OFF ON OFF
P2
0
0
Shift
Zero shift input
T1
<Zero shift>
<Output 1>
P1
Output1
Zero shift input
OFF ON
OFF ON
0
<Output 2>
Hi
Lo
Output 2
OFFONOFF OFF
ON
5. Connection Method and Diagrams
Insert the included connector-tipped cable into the sensor’s connector.
Position the connector so that the side of the connector where the metallic contacts are visible is facing up.
Input/output circuit
(AP-C30/C31/C33/C35) (AP-C31P/C33P)
7. 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.
* Hysteresis is a standard 0.5% of F.S. when operating in general-purpose
mode and application modes 1 and 2. During focus mode operation, it is
0.2% of F.S.
Variable hysteresis mode (F-2)
■
Two detection points may be user-configured, and hysteresis for both
may also be set.
Control output 1
Control output 2:
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 is a standard 0.5% of F.S. During focus mode opera-
tion, it has a hysteresis of 0.2% of F.S., and control output 2 has a
hysteresis of 0.
: Turns ON when pressure exceeds setting P1. Turns OFF
when pressure drops the selected hysteresis amount
below P1.
Turns ON when pressure exceeds setting P2. Turns OFF
when pressure drops the selected hysteresis amount
below P2.
Analog output circuit
Zero shift input circuit (NPN) Zero shift input circuit (PNP)
Use non-contact input device such as open-collector.
6. Precautions for Safe Use
Follow these guidelines. Failure to do so may result in product damage.
■
●
●
●
■
●
●
●
Connections
Input/output circuit
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.
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.
Application mode 1 (A-1)
■
This detection mode is optimum for use in suction detection applica-
tions.
Recommended sensor heads: AP-C30/C31/C31P
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.
* Cannot be used to detect vacuum burst pressure with
the AP-C31/C31P when operating in focus mode.
Standard mode operation only.
Zero shift: The zero point is shifted immediately after the zero
shift timer is set following the activation of zero shift
input.
P1: Pressure setting for control output 1.
T1: Zero shift timer setting (ms) < Variable between 0 and 1,999 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 sensor head: AP-C33/C33P
Control output 1
: Leak pressure detection.
Turns ON when pressure falls below setting P1.
*Output only when receiving zero shift input.
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.
* Fill pressure values are displayed with the center pres-
sure as 0 during focus mode operation.
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.
2
After 4 sec
of no key
operation.
Reference value*
Press for 3 sec or more.
+
+
Increase the
setting.
Decrease the
setting.
Operating mode
Standard
Focus mode
AP-C30/C
35
AP-C31/
C31P/C33
/C33P
When
operating
mode is
• Two-point tuning
• Active tuning
Display color (7-segment)
ON: Red, OFF: Green
ON: Green, OFF: Red
Normally red
Normally green
Within set value: Green
Outside set value: Red
Detection range (AP-C30/C35)
Positive pressure range
Compound pressure range
Negative pressure range
Focus center pressure
■ Toggling the
display
■ Manual configuration
Settings are
manually
configured. The
display changes
for each mode.
* Toggling the
display of
settings (see the
diagram below).
* Manual
configuration
only during F-3/A2 mode operation.
Current value
Peak hold
Bottom hold
* The reference value is
the pressure value when
zero shift input is
received and is replaced
only when zero shift
input is selected.
■ Mode
configuration
Current value
Reference value
Hold value
Detection mode
General-purpose mode
Variable hysteresis mode
Window mode
Application mode 1
Application mode 2
Zero shift input
Analog output
N.O./N.C.
N.O.
N.O.
N.C.
N.C.
N.O.
N.C.
N.C.
N.O.
Control
output 1
Control
output 2
2.5 msec
5 msec
100 msec
500 msec
Analog/zero shift
Chatter prevention
Sets response time.
• N.O. = normal open.
• N.C. = normal close.
Standard
Eco mode
Power-save
* See the Focus Mode section
of Part 9 for the center
pressures that can be
selected.
* F-1 and F-2 mode only
Values that fall between the P1
and P2 settings will be
displayed in green, while values
outside that range will be
displayed in red.
*
When
A-1/A-2 is
selected
The display color
is independent of
the control output.
The conditions of
ON/OFF in the
right table is the
case when N.O.
is set.
during
fixed mode
operation
( )
8. Sensor Configuration
Flashes
for 3 sec.
Setting
Target object
present
Target object
absent
Toggling 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.
Active tuning (A-1)
■
See Section 10.
Note: • Press and hold the MODE button ( ) for at least 3 seconds to return to the current
value/reference value/hold value display from each of the mode setting screens.
• 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 configured manually when operating in the F-3/A-2 modes. The
SET button ( ) will not function.
3
9. Explanation of Features
Negative pressure
Positive pressure
Compound pressure
0 to -101.3 kPa
0 to 100.0 kPa
+101.3 to -101.3 kPa
0 to -10.0 kPa
0 to 10.0 kPa
-10.0 to +10.0 kPa
Range
Display
C30 C35
Pressure type
AP-C31/C31P
AP-C33/C33P
-20.0 / -30.0 / -40.0 / -50.0 / -60.0 / -70.0 / -80.0
200 / 300 / 400 / 500 / 600 / 700 / 800
0
-0.1MPa
O.K.
Zero shift input
Zero shift input
-0.5MPa
N.G.
1MPa
AP-C30
Range
Negative pressure range
Positive pressure range
Compound pressure range
AP-C35
-101.3 to 0 kPa
0 to 100.0 kPa
-101.3 to 101.3 kPa
-10.00 to 0 kPa
0 to 10.00 kPa
-10.00 to 10.00 kPa
1 to 5V
AP-C31(P)
Mode
AP-C33(P)
0 to -101.3 kPa
20.0 to -20.0 kPa
0 to 1.000 MPa
-200 to 200 kPa
1 to 5V
Standard
Focus
Active 2 point tuning
Active 1 point tuning
Suction
Vacuum burst
P1 P2 T1
Automatic
configuration
_
_
Automatic
configuration
Manual
configuration
_
ApplicationType
P2
P1
Time
Zero shift input
T1
Vacuum
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
Start Finish
Switching the detection range (AP-C30/C35)
■
The AP-C30/C35 allows you to select a detection range.
Focus mode (AP-C31/C31P/C33/C33P)
■
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)
The current value is displayed as ±20% of the F.S. range with the fo-
cus 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 certain amount of pressure fluctuation without being influenced by changes
in the original pressure.
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 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.
10
. Active Tuning
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.
(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
to switch to the reference value display.
(
⇔ )
Press the
Analog output
■
button once more to return to the current value display.
A voltage corresponding to the pressure value is output.
AP-C30/C35
AP-C31(P)/C33(P)
* The pressure value of the focus mode is based on the selected center
pressure.
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.
button
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.
• Connect the external signal to the zero shift input.
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 auto-
matically 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.
* Cannot be used to detect vacuum burst pressure when operating in
4
focus mode (AP-C31/C31P).
11
Detection range
Detection mode
Operating mode
N.O./N.C. switching
Analog/zero shift
*
Chatter prevention
Display color
Power-save
AP-C30/C35
AP-C31/C31P/C33/C33P
101.3 to -101.3 kPa
(-10 to 10.00 kPa)
0 to -101.3 kPa
(0 to -10.00 kPa)
0 to +101.3 kPa
(0 to +10.00 kPa)
Environmental
resistance
Multi-range Negative pressure Positive pressure
AP-C30/C35 AP-C31/C31P AP-C33/C33P
500 kPa
(25 kPa)
500 kPa 1.5 MPa
Air, non-corrosive gasses
Gauge pressure
12 to 24 VDC10% Ripple (P-P) 10% max.
3.5 digit two-color 7 segment LED (11 mm character height)
Display cycle: 10 times/second
-10 to +110% of F.S. -15 to +110% of F.S.
Red LED x 2 (supports control output 1 / control output 2)
0.2 kPa
(0.02 kPa)
0.1 kPa
(0.01 kPa)
0.1 kPa
(0.01 kPa)
0.1 kPa 0.001 MPa
0.01 kPa 0.1 kPa
Variable (standard 0.5% of F.S.)
1% of F.S. max.
Selectable from 2.5, 5, 100, 500 ms
No-voltage input (without contacts)
Input time 2 ms or greater (Switchable with analog output.)
NPN open collector max. 100 mA (40 V max.)
residual voltage 1 V max., 2 outputs (NO/NC switchable)
*3 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. (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
Rc(PT)1/8 Bidirectional rotating type
Front case: polysarfun; Rear case: PBT;
Front sheet: polycarbonate; Pressure port: die-cast zinc
Approx. 30 g (not including cables) / Approx. 85 g (including 2-m cable)
Power cord (2-m, connector type), Units sticker *4
0 to -101.3 kPa 0 to 1.000 MPa
Type
Model
Rated pressure
range
( ) : AP-C35
Pressure resistance
( ) : AP-C35
Adaptive uids
Pressure type
Power supply voltage
Current
consumption
Display method
Conguration/
display range *1
Operating status indicators
Multi-range
( ) : AP-C35
Standard mode
Focus mode
Hysteresis *2
Display temperature
characteristics
Response (chatter
prevention feature)
Zero shift input
Control output
Analog output
Ambient temperature
Relative humidity
Vibration
Pressure port
Housing material
Weight
Accessories
ResolutionRating
Negative
pressure
Positive
pressure
Compound
pressure
Compound
pressure
Negative
pressure
Positive
pressure
Eco mode
480 mW(40 mA)/600 mW(50 mA) max. 720 mW(30 mA)/960 mW(40 mA) max.
Normal
720 mW(60 mA)/900 mW(75 mA) max.
960 mW(40 mA)/1320 mW(55 mA) max.
12 V operation(NPN/PNP) 24 V operation(NPN/PNP)
• No difference in sensitivity
(during 2 point tuning/active
tuning).
• There is an applied pressure
of 5 % of F.S. during ambient
pressure compensation.
• 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.
• When there were not at least 2
shift inputs during active 2 point
tuning.
Adjust the air pressure device so that
there will be a difference in sensitivity.
(Return to atmos pheri c pressure.)
Repeat atmospheric compensation.
Check the load and return it to the
rated range.
Retu rn t he pr essu re t o the rat ed
pressure range.
Retu rn t he pr essu re t o the rat ed
pressure range.
Repeat the active tuning procedure so
that there are at least 2 shift inputs.
Display Cause Solution
. Default Mode Settings (Initialization)
The sensor ships with the following configuration.
* Press button 5 times while holding down the button to return the
sensor to its default configuration.
12
. Specifications
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.
*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 AP-C31/C31P/C33/C33P: Can be used during focus mode operation
as well. Values will be compensated based on the center pressure.
14
. 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.
15
. Error Displays and Corrective Actions
Error displays during normal operation
■
*1 During focus mode operation, restricted to focus range.
*2 During focus mode operation, standard 0.2% of F.S.
*3 AP-C31/C31P are PNP output types.
*4 AP-C33/C33P only.
* Contact KEYENCE for information about error displays other than those
described above.
5
Copyright (c) 2008 KEYENCE CORPORATION. All rights reserved.
1312E 1092-4 96M1312 Printed in Japan
(1) KEYENCE warrant
workmanship for a period of one (1) year from the date of shipment. If any
(2) KEYENCE is pleased to of
(3)
(4)
BU
WARRANTIES AND DISCLAIMERS
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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.
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
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E 1101-3
6
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