Cylindrical Proximity Sensor E2K-X CSM_E2K-X_DS_E_8_1 General-purpose Threaded Capacitive Sensor • Product lineup with M12, M18, and M30 models. • Fixed sensing distance requires no sensitivity adjustment. Be sure to read Safety Precautions on page 5. For the most recent information on models that have been certified for safety standards, refer to your OMRON website. Ordering Information Sensors [Refer to Dimensions on page 6.] Model Appearance Sensing distance Output configuration Operation mode NO NC DC 3-wire, NPN E2K-X4ME1 2M E2K-X4ME2 2M M12 DC 3-wire, PNP E2K-X4MF1 2M E2K-X4MF2 2M 4 mm AC 2-wire E2K-X4MY1 2M E2K-X4MY2 2M DC 3-wire, NPN E2K-X8ME1 2M E2K-X8ME2 2M Unshielded M18 DC 3-wire, PNP E2K-X8MF1 2M E2K-X8MF2 2M 8 mm AC 2-wire E2K-X8MY1 2M E2K-X8MY2 2M DC 3-wire, NPN E2K-X15ME1 2M E2K-X15ME2 2M M30 DC 3-wire, PNP E2K-X15MF1 2M E2K-X15MF2 2M 15 mm AC 2-wire E2K-X15MY1 2M E2K-X15MY2 2M Accessories (Order Separately) Mounting Brackets Refer to Y92@ for details. 1 E2K-X Ratings and Specifications E2K-X4ME@, E2K-X8ME@, E2K-X15ME@, Item Model E2K-X4MF@, E2K-X8MF@, E2K-X15MF@, E2K-X4MY@ E2K-X8MY@ E2K-X15MY@ Sensing distance 4mm ±10% 8 mm ±10% 15 mm ±10% Set distance *1 0 to 2.8 mm 0 to 5.6 mm 0 to 10 mm Differential travel 4% to 20% of sensing distance Detectable object Conductors and dielectrics Standard sensing object Grounded metal plate: 50 × 50 × 1 mm Response frequency E and F Models: 100 Hz, Y Models: 10 Hz Power supply voltage*2 E and F Models: 12 to 24 VDC (10 to 30 VDC) (operating voltage range) Y Models: 100 to 220 VAC (90 to 250 VAC) Current consumption E and F Models: 15 mA max. Leakage current Y Models: 2.2 mA max. (Refer to page 4.) Load current E and F Models: 200 mA max.*2, Y Models: 10 to 200 mA Control E and F Models: 2 V max. (Load current: 200 mA, Cable length: 2 m), Y Models: Refer to Engineering Data on output Residual voltage page 4. Indicators E and F Models: Detection indicator (red), Y Models: Operation indicator (red) Operation mode E1, F1, and Y1 Models: NO (with sensing object Refer to the timing charts under I/O Circuit Diagrams on page 4 for details. E2, F2, and Y2 Models: NC approaching) E and F Models: Reverse polarity protection, Surge suppressor, load short-circuit protection, output reverse polar- Protection circuits ity protection, Y Models: Surge suppressor Ambient temperature Operating/Storage: −10 to 55°C Operating/Storage: −25 to 70°C (with no icing or condensation) range (with no icing or condensation) Ambient humidity range Operating/Storage: 35% to 95% (with no condensation) Temperature influence ±20% max. of sensing distance at 23°C in the operating temperature range E and F Models: ±2% max. of sensing distance at rated voltage at rated voltage ±20% Voltage influence Y Models: ±2% max. of sensing distance at rated voltage at rated voltage ±10% Insulation resistance 50 MΩ min. (at 500 VDC) between current-carrying parts and case E and F Models: 1,000 VAC, 50/60 Hz for 1 min between current-carrying parts and case Dielectric strength Y Models: 2,000 VAC, 50/60 Hz for 1 min between current-carrying parts and case Vibration resistance Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions 2 Shock resistance Destruction: 500 m/s 3 times each in X, Y, and Z directions Degree of protection IP66 (IEC), in-house standards: oil-resistant Connection method Pre-wired Models (Standard cable length: 2 m) Weight (packed state) Approx. 65 g Approx. 145 g Approx. 205 g Case Heat-resistant ABS Materi- Sensing surface als Clamping nuts Polyacetal Accessories Instruction manual *1. The above values are sensing distances for the standard sensing object. Refer to Engineering Data on page 3 for other materials. *2. E and F Models (DC switching models): A full-wave rectification power supply of 24 VDC ±20% (average value) can be used. 2 E2K-X Engineering Data (Reference Value) Sensing Area (Grounded Metal Plate) E2K-X4M 18 16 E2K-X15M 14 12 Standard sensing 10 object Grounded metal plate 50 × 50 × 1 mm 8 E2K-X8M 6 4 E2K-X4M 2 0 −5 −20 −15 −10 −5 0 5 10 15 20 25 E2K-X4M Sensing Distance Y (mm) E2K-X8M Sensing Head E2K-X15M Sensing Head Influence of Sensing Object Size and Material E2K-X4M E2K-X8M E2K-X15M 5 10 25 d × d × d × d d d t = 3 mm t = 3 mm t = 3 mm X X X Grounded metal Grounded metal 4 20 8 Grounded metal 3 6 15 Non-grounded metal Non-grounded metal Non-grounded metal 2 4 10 Glass Glass Phenol 1 2 5 Acryl Phenol Glass Acryl Phenol 0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70 Side length of sensing object: d (mm) Side length of sensing object: d (mm) Side length of sensing object: d (mm) Sensing Object Thickness and Material vs. Sensing Distance E2K-X4M E2K-X8M E2K-X15M 5 10 25 50 × 50 t X 4 8 20 Grounded metal Grounded metal 50 × 50 × 50 50 t t X X Grounded metal 3 6 15 Non-grounded metal Non-grounded metal Non-grounded metal Glass 4 2 10 Glass Phenol Phenol Glass Acryl 1 2 5 Phenol Acryl 0 5 10 15 20 25 0 5 10 15 20 25 0 5 10 15 20 25 Thickness of sensing object: t (mm) Thickness of sensing object: t (mm) Thickness of sensing object: t (mm) 3 Distance X (mm) Distance X (mm) Distance X (mm) Distance X (mm) Distance X (mm) Distance X (mm) Distance X (mm) X Y E2K-X Leakage Current Residual Output Voltage E2K-X@MY E2K-X@MY@ at 100 VAC E2K-X@MY@ at 200 VAC 2.0 120 240 Residual output voltage Residual output voltage 100 200 ON ON 1.5 80 160 Protective resistance mA V V AC 60 power, 120 V 50/60Hz VL VL (OFF) 100 VAC 200 VAC 1.0 40 80 A A 20 40 Residual Residual Load Load Voltage Voltage OFF OFF 0 0 0 100 200 300 3 5 10 20 30 50 100 200 3 5 10 20 30 50 100 200 Power supply voltage (V) Load current (mA) Load current (mA) I/O Circuit Diagrams DC 3-Wire Models (NPN) Operation Model Timing chart Output circuit mode Present Sensing object Brown Not present +V Load (between brown Operate E2K-X4ME1 and black leads) Reset NO E2K-X8ME1 Load High Output voltage (between *1 E2K-X15ME1 black and blue leads) 10 kΩ Low Proximity Black Sensor ON Detection indicator (red) main OFF *2 circuit Tr Present Sensing object Not present Blue Load (between brown Operate E2K-X4ME2 0 V and black leads) Reset NC E2K-X8ME2 High *1. Load current: 200 mA max. Output voltage (between E2K-X15ME2 black and blue leads) Low *2. When a transistor is connected. ON Detection indicator (red) OFF DC 3-Wire Models (PNP) Operation Model Timing chart Output circuit mode Sensing Present object Not present Brown Load (between blue Operate +V E2K-X4MF1 and black leads) Reset NO E2K-X8MF1 Output voltage (between High E2K-X15MF1 black and brown leads) *2 Low Proximity Detection Sensor ON indicator (red) main *1 OFF 2.2 Ω Black circuit Sensing Present Load object Not present 3.9 kΩ Load (between blue 47 kΩ Operate Blue E2K-X4MF2 and black leads) 0 V Reset NC E2K-X8MF2 Output voltage (between High *1. Load current: 200 mA max. E2K-X15MF2 black and brown leads) Low *2. When a transistor is connected. Detection ON indicator (red) OFF AC 2-Wire Models Operation Model Timing chart Output circuit mode Sensing object Present Not present E2K-X4MY1 Brown Operate Load Load NO E2K-X8MY1 Reset Proximity E2K-X15MY1 ON Operation indicator (red) Sensor OFF main circuit Present Sensing object Blue Not present E2K-X4MY2 Operate Load NC E2K-X8MY2 Reset E2K-X15MY2 ON Operation indicator (red) OFF 4 Leakage current (mA) Load voltage VL (V) Load voltage VL (V) E2K-X Safety Precautions Refer to Warranty and Limitations of Liability. WARNING This product is not designed or rated for ensuring Sensing Objects safety of persons either directly or indirectly. The maximum sensing distance will decrease if the sensing object is Do not use it for such purposes. a non-grounded metal object or dielectric object. • Sensing Object Material The E2K-X can detect almost any type of object. The sensing Precautions for Correct Use distance of the E2K-X, however, will vary with the electrical characteristics of the object, such as the conductance and Do not use this product under ambient conditions that exceed the inductance of the object, and the water content and capacity of the ratings. object. The maximum sensing distance of the E2K-X will be obtained if the object is made of grounded metal. ● Design • There are objects that cannot be detected indirectly. Therefore, be Ambient Environment sure to test the E2K-X in a trial operation with the objects before The Sensor may malfunction if subjected to water, oil, chemicals, or using the E2K-X in actual applications. condensation by falsely detecting these as sensing objects. The E2K-X15M is highly sensitive to inductive objects and can thus Effects of a High-frequency Electromagnetic Field be affected even by small quantities of water drops. The E2K-X may malfunction if there is an ultrasonic washer, high- frequency generator, transceiver, or inverter nearby. Influence of Surrounding Objects For major measures, refer to Noise of Warranty and Limitations of If the Sensor is embedded in metal, maintain at least the following Liability for Photoelectric Sensors. distances between the Sensor and the metal. The Sensor is also affected by other materials, such as resins. Separate the Sensor from Mounting other materials by the same distance as for metal. Do not tighten the nut with excessive force. Always use washers when tightening the nuts and do not exceed the torque in the following table. l m d dia. n Model Torque * Metal object Be sure to ground. E2K-X4M 0.78 N·m E2K-X8M * Be sure to ground the metal object, otherwise Sensor operation will not be 2 N·m stable. E2K-X15M Influence of Surrounding Metal (Unit: mm) ● Miscellaneous Model Dimension l d m n Organic Solvents E2K-X4M 8 20 The Sensor has a case made of heat-resistant ABS resin. Be sure E2K-X8M 50 12 60 that the case is free from organic solvents or solutions containing E2K-X15M 10 25 organic solvents. If a mounting bracket is used, be sure that at least the following distances are maintained. Influence of Surrounding Metal G (Unit: mm) Model Dimension G H E2K-X4M 20 E2K-X8M 30 H E2K-X15M 10 Mutual Interference When installing Sensors face-to-face or side-by-side, ensure that the minimum distances given in the following table are maintained. B A Mutual Interference (Unit: mm) Model Dimension A B E2K-X4M 80 70 E2K-X8M 150 110 E2K-X15M 300 200 5 E2K-X (Unit: mm) Dimensions Tolerance class IT16 applies to dimensions in this data sheet unless otherwise specified. E2K-X4ME@ E2K-X8ME@ E2K-X4MF@ E2K-X8MF@ E2K-X4MY@ E2K-X8MY@ 80 80 29 dia. 21 dia. 60 60 17 24 20 Indicator *2 20 Indicator *2 4 4 4 4 10.7 dia. 16.6 dia. *1 *1 M12 × 1 M18 × 1 Two clamping nuts Two washers Two clamping nuts Two washers *1. E and F Models: 4-dia. vinyl-insulated round cable with 3 2 conductors (Conductor cross section: 0.2 mm , Insulator *1. E and F Models: 6-dia. vinyl-insulated round cable with 3 2 diameter: 1.2 mm), Standard length: 2 m conductors (Conductor cross section: 0.5 mm , Insulator Y Models: 4-dia. vinyl-insulated round cable with 2 conductors diameter: 1.9 mm), Standard length: 2 m 2 (Conductor cross section: 0.3 mm , Insulator diameter: 1.3 mm), Y Models: 6-dia. vinyl-insulated round cable with 2 conductors 2 Standard length: 2 m (Conductor cross section: 0.5 mm , Insulator diameter: 1.9 mm), *2. E and F Models: Detection indicator (red) Standard length: 2 m Y Models: Operation indicator (red) *2. E and F Models: Detection indicator (red) Y Models: Operation indicator (red) E2K-X15ME@ Mounting Hole Dimensions E2K-X15MF@ E2K-X15MY@ Model F (mm) +0.5 E2K-X4M@@ 12.5 dia. 0 +0.5 E2K-X8M@@ 18.5 dia. 0 F +0.5 E2K-X15M@@ 30.5 dia. 0 80 42 dia. 60 36 10 5 5 Indicator *2 28.1 dia. *1 M30 × 1.5 Two clamping nuts Two washers *1. E and F Models: 6-dia. vinyl-insulated round cable with 3 2 conductors (Conductor cross section: 0.5 mm , Insulator diameter: 1.9 mm), Standard length: 2 m Y Models: 6-dia. vinyl-insulated round cable with 2 conductors 2 (Conductor cross section: 0.5 mm , Insulator diameter: 1.9 mm), Standard length: 2 m *2. E and F Models: Detection indicator (red) Y Models: Operation indicator (red) 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. 2016.11 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 2016 All Right Reserved.