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Long Sensing-distance Capacitive Separate Amplifier Proximity Sensor
E2J
CSM_E2J_DS_E_5_3
Flat Capacitive Sensor with Separate
Amplifier
Ideal for Mounting on Robot Hands.
• Flat head is only 5.5-mm thick.
• Robotics cable ensures improved flexibility.
• Operation indicator on the Sensor.
• Easy-to-use connector.
Be sure to read Safety Precautions on
page 5.
Ordering Information
Sensors
Amplifier Units
[Refer to Dimensions on page 6.]
Appearance
Flat,
Unshielded
Sensing distance (variable)
Model
10 mm
(4 to 10 mm)
E2J-W10MA 1M
20 mm
(8 to 20 mm)
E2J-W20MA 1M
Output configuration
Model
DC 3-wire
NPN
Open-collector output
E2J-JC4A 2M
Accessories (Order Separately)
Dust Covers A Dust Cover is not provided with the Sensor or Amplifier. Order a Dust Cover separately if required.
[Refer to Dimensions on page 6.]
Appearance
Application
Application
Model
E2J-JC4A Amplifier Unit
XS3Z-13
[email protected] Sensor
XS3Z-15
Dust protection *
* These dust covers are for protection against dust. They do not satisfy IP67. When attaching the Dust Cover, be sure to fully insert the connector into the Dust Cover.
Sensor I/O Connectors with Cables A Connector is not provided with the Sensor. Order a Connector separately if required.
[Refer to XS3.]
Appearance
Application
Cable
conductors
For cable extension
4 conductors
Cable
length
Model
1m
XS3W-M421-401-R
2m
XS3W-M421-402-R
Remarks
M8-screw-mounting cables
Robotics cables (vibration resistant)
Straight/Straight Model
Note: Refer to Introduction to Sensor I/O Connectors/Sensor Controllers for details.
1
E2J
Ratings and Specifications
Sensors
Amplifier Units
Model
Item
E2J-W10MA
E2J-W20MA
Model
E2J-JC4A
Item
Sensing
distance
10 mm
20 mm
Power supply
voltage
24 VDC ±20%, ripple (p-p): 10% max.
Sensing distance
adjustable range
4 to 10 mm
8 to 20 mm
Current
consumption
30 mA max.
Differential
travel
15% max. of sensing distance
Detectable
object
Conductors and dielectrics
Control
output
Standard
sensing object
Grounded metal plate: 50 × 50 × 1 mm
Indicators
Operation indicator (orange)
Power indicator (green)
Response
frequency
70 Hz min.
8 turns with an indicator
Indicators
Detection indicator (red)
Number of turns
of sensitivity
adjustment
Ambient temperature range
Operating/Storage: −10 to 55°C (with no icing or
condensation)
Protection
circuits
Load short-circuit protection, Surge suppressor, Reverse polarity protection
Ambient
humidity range
Operating/Storage: 35% to 85% (with no condensation)
Ambient temperature range
Operating/Storage: −10 to 55°C (with no icing
or condensation)
Vibration
resistance
Destruction: 10 to 500 Hz, 2-mm double amplitude or 150 m/s2 for 2 hours each in X, Y, and Z
directions
Ambient
humidity range
Operating/Storage: 35% to 85% (with no condensation)
Shock
resistance
Destruction: 500 m/s2 3 times each in X, Y, and
Z directions
Temperature
influence
(Sensor with
Amplifier)
±25% max. of sensing distance at 23°C in the
temperature range of 0 to 40°C
Degree of
protection
IP66 (IEC)
Voltage influence
Connection
method
Pre-wired Connector Models (Robotics cable,
Standard cable length: 1m)
±1% max. of sensing distance at the rated voltage in the ±20% rated voltage range
Weight
(packed state)
Insulation
resistance
50 MΩ min. (at 500 VDC) between currentcarrying parts and case
Approx. 30 g
MateriCase
als
Dielectric
strength
1,000 VAC, 50/60 Hz for 1 min between current-carrying parts and case
Heat-resistant ABS
Vibration
resistance
Destruction: 10 to 150 Hz, 1.5-mm double amplitude or 100 m/s2 for 2 hours each in X, Y,
and Z directions
Shock resistance
Destruction: 300 m/s2 3 times each in X, Y, and
Z directions
Degree of
protection
IP50 (IEC)
Connection
method
Pre-wired Models (Standard cable length: 2 m)
Weight
(packed state)
Approx. 60 g
MateCase
rials
ABS
Accessories
Mounting Bracket, Instruction manual
Approx. 40 g
Load
current
NPN open-collector output, 100 mA max.
(30 VDC max.)
Residual
voltage
1 V max.
2
E2J
Engineering Data (Reference Value)
12
Grounded iron, 50 × 50 × 1 mm
10
24
Distance X (mm)
Distance X (mm)
Sensing Distance Change by Sensing
Object (Typical)
E2J-W10MA
E2J-W20MA
Grounded iron, 50 × 50 × 1 mm
20
16
8
Y
6
Y
12
X
X
Glass
Glass
4
8
2
4
0
−8
0
−16
Maximum sensing distance (mm)
Sensing Area
E2J-W10MA
12
10
8
6
4
2
−6
−4
−2
0
LED side of Sensor Head
2
4
6
8
−12
−8
−4
0
LED side of Sensor Head
Non-LED side of Sensor Head
4
8
12
16
Non-LED side of Sensor Head
Distance Y (mm)
Distance Y (mm)
0
Glass
Silicon wafer
Grounded metal Non-grounded Acryl
50 × 50 mm
metal
50 × 50 mm 150 × 180 mm (2-inch)
(t = 1 mm)
50 × 50 mm (t = 10 mm) (t = 1.2 mm)
(t = 1 mm)
Influence of Sensing Object (Iron)
Grounded
10
(Max. adjustment)
Non-grounded
8
Grounded
20
(Max. adjustment)
Non-grounded
16
d×
d
6
t = 1 mm
E2J-W20MA
24
d×
d
12
X
t = 1 mm
X
Grounded
Grounded
4
(Min. adjustment)
20
20
16
12
(Min. adjustment)
Non-grounded
0
24
8
8
2
Maximum sensing distance (mm)
E2J-W20MA
12
Distance X (mm)
Distance X (mm)
E2J-W10MA
4
40
60
80
Side length of sensing object: d (mm)
4
Non-grounded
0
20
40
60
80
Side length of sensing object: d (mm)
0
Glass
Grounded metal Non-grounded
Acryl
Silicon wafer
metal
50 × 50 mm
50 × 50 mm 150 × 180 mm (2-inch)
50 × 50 mm (t = 10 mm) (t = 1.2 mm)
(t = 1 mm)
(t = 1 mm)
Influence of Ambient Temperature
E2J-W20MA
25
Variation rate (%)
Variation rate (%)
E2J-W10MA
20
15
10
−5
20
15
10
5
5
0
25
−10
0
10
20
30
40
50
Temperature (°C)
0
−5
−10
−10
−15
−15
−20
−20
−25
−25
−10
0
10
20
30
40
50
Temperature (°C)
3
E2J
I/O Circuit Diagrams
Operation
mode
Model
Timing chart
Output circuit
Present
Sensing object
Not present
ON
Output transistor
NO
ON
Sensor detection
indicator (red)
E2J-W10MA
E2J-W20MA
+
E2J-JC4A
OFF
Amplifier Unit
operation indicator
(orange)
Brown
24 VDC
Load
OFF
Sensor
main
circuit
Amplifier
main
circuit
100 mA max.
Black
Output
Not present
Output transistor
NC
Sensor
ON
Present
Sensing object
Amplifier Units
OFF
Sensor detection
indicator (red)
Amplifier Unit
operation indicator
(orange)
ON
Blue
OFF
0V
ON
OFF
ON
OFF
Amplifier Unit Nomenclature
Sensor end
Power indicator (green)
Operation indicator (orange)
Sensitivity adjustment indicator
Operating mode selector
Sensitivity adjuster
Output settings
NO
NC
Output transistor
ON when object is
detected.
NO
NC
Output transistor
ON when object is
not detected.
To power (pre-wired cable)
4
E2J
Safety Precautions
Refer to Warranty and Limitations of Liability.
WARNING
● Mounting
Handling
This product is not designed or rated for ensuring
safety of persons either directly or indirectly.
Do not use it for such purposes.
Precautions for Correct Use
Do not use this product under ambient conditions that exceed the
ratings.
● Design
Influence of Surrounding Metal
Influence of Static Electricity
When mounting the Sensor within a metal panel, ensure that the
clearances given in the following table are maintained. Failure to
maintain these distances may cause deterioration in the performance
of the Sensor.
A
Sensing surface
Be sure to
ground.
Sensing surface
B
Sensors
Metal object
Sensors
Metal object
Influence of Surrounding Metal
Dimension
Model
E2J-W10MA
E2J-W20MA
• Do not use the Sensor outdoors.
• Do not wire the Sensor alongside a high-tension or power line.
• Do not use portable telephones or transceivers near the Sensor. Be
sure to ground the Mounting Brackets.
• Do not use the Sensor in an environment where it will be exposed
to chemicals, particularly chemical solutions or oxidizing acids.
Be sure to
ground.
(Unit: mm)
A
B
10
20
20
40
Be sure to discharge static electricity before detecting objects that are
greatly affected by static electricity.
Mounting the Sensor
The maximum tightening torque that should be applied is 0.54 N·m.
Cable between Sensor and Amplifier Unit
• Be sure that the bending radius of the cable is more than 5 mm.
• Use the XS3W-M421-40@-R cable with connectors (M8-screw
mounting) as the extension cable.
The maximum cable length is 3 m (extension section: 2 m).
Sensitivity Adjustment
For information on the sensitivity adjustment, refer to Technical Guide
for Operation for information for Proximity Sensor.
Mutual Interference
When installing Sensors face-to-face or side-by-side, ensure that the
minimum distances given in the following table are maintained.
A
B
Mutual Interference
Dimension
Model
E2J-W10MA
E2J-W20MA
(Unit: mm)
A
B
20
70
30
50
5
E2J
(Unit: mm)
Dimensions
Tolerance class IT16 applies to dimensions in this data sheet unless otherwise specified.
Main Units
Sensors
E2J-W10MA
30
8.5
4.5
Sensing surface
15.5
3
20
9 dia.
3.1
8
Two, 3.2 dia.
15.7
31.4
14±0.1
4-dia. vinyl-insulated
round robotics cable,
Standard length: 1 m
Detection indicator (red)
Mounting Hole Dimensions
Two, M3
5.5
0.2
14±0.1
2.2
E2J-W20MA
40
Sensing surface
8.5
4.5
20.5
3
9 dia.
30
16
24±0.1
31.4
4.3
Two, 3.2 dia.
Detection indicator (red)
25
4-dia. vinyl-insulated
round robotics cable,
Standard length: 1 m
Mounting Hole Dimensions
Two, M3
5.5
0.2
24±0.1
2.2
Amplifier Units
E2J-JC4A
With Mounting
Bracket Attached
M8 connector
Operation indicator (orange)
9
15.9
Power indicator (green)
0.5
12
4
59.1
4-dia. vinyl-insulated round cable with 3
conductors (Conductor cross section:
0.2 mm2, Insulator diameter: 1.1 mm),
Standard length: 2 m
8.3
8.5
29.3
3.4
12.2
11.5
3.9
9
22.5
35.5
16
22.5
16
13
2
3.4
6
0.4
Two, 3.2 Mounting Bracket (removable), Stainless steel (SUS304)
dia.
Two mounting holes
3.4
2
(Four, R1.7)
Accessories (Order Separately)
Material: polyvinyl chloride (red)
Dust Cover
XS3Z-13 (for E2J-JC4A Amplifier Unit)
XS3Z-13
XS3Z-15 (for [email protected] Sensor)
XS3Z-15
Sensor end
6
Terms and Conditions Agreement
Read and understand this catalog.
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you
have any questions or comments.
Warranties.
(a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship
for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron
disclaims all other warranties, express or implied.
(b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER
ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE
PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the
Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at
Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or
replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount
equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty,
repair, indemnity or any other claims or expenses regarding the Products unless Omron’s analysis confirms that the Products
were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate
modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall
not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or
electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice,
recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above
warranty.
See http://www.omron.com/global/ or contact your Omron representative for published information.
Limitation on Liability; Etc.
OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS,
WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY.
Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted.
Suitability of Use.
Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the
combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable
third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself
is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine,
system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product
with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE
QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS,
AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE
OVERALL EQUIPMENT OR SYSTEM.
Programmable Products.
Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence
thereof.
Performance Data.
Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining
suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate
it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.
Change in Specifications.
Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our
practice to change part numbers when published ratings or features are changed, or when significant construction changes are
made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers
may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at
any time to confirm actual specifications of purchased Product.
Errors and Omissions.
Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is
assumed for clerical, typographical or proofreading errors or omissions.
2015.8
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2015 All Right Reserved.
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