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| Inductive Proximity Sensor Linear Output Proximity Sensor with High-accuracy Resolution Resolution is 0.05% of the maximum sensing distance. The model with a sensing distance of 1.2 mm ensures a resolution of 0.6 m. Models with response frequencies ranging from 10 to 3 kHz are available. The M30-size model ensures a sensing distance of 10 mm. Satisfies IEC IP67 requirements, thus detecting the displacement of metal objects without being influenced by water and oil spray. The E2CA has a standard linear output of 4 to 20 mA and connects to the Linear Discrimination Unit, Digital Panel Meter, and I/O Unit of the Programmable Controller. The E2CA's compact amplifier can be plugged into surface mounting sockets thus greatly reducing wiring effort and ensuring easy mounting. E2CA Ordering Information Shield Size Sensing g distance (S ) di t (Sn) 0.3 to 1.5 mm 0.4 to 2 mm 1 to 5 mm 2 to 10 mm Response frequency Linear output 10 kHz 10 kHz 5 kHz 3 kHz Switching output 1 kHz 800 Hz 350 Hz 100 Hz E2CA-XIR5A E2CA-X2A E2CA-X5A E2CA-X10A Sensor Unit Amplifier Unit DC E2CA-AL4C E2CA-AL4D E2CA-AL4E E2CA-AL4F AC E2CA-AN4C E2CA-AN4D E2CA-AN4E E2CA-AN4F Shielded M8 M12 M18 M30 1 E2CA E2CA Application Examples Detection of Metals on Other Metals Counts the number of gear teeth. Detects mounting screws, rivets, and soldering condition Detection of Loosened Screws E2CA Amplifier Unit E2CA Improper screwing Discrimination of Materials E2CA Amplifier Unit E2CA Brass E2CA Amplifier Unit K3TS Output Iron K3TS Loosened K3TS Output Output Copper Measurement of Sheet Angles Measures leaned press molds and elevated boards Measurement of Sheet Thickness E2CA Amplifier Unit Measurement of External Dimensions E2CA Amplifier Unit E2CA Metal object E2CA E2CA Metal plate E2CA Amplifier Unit K3TS Output E2CA Amplifier Unit K3TS Sensing Head E2CA Output K3TS Alarm output Discrimination of Shapes Detects top and bottom sides of metal caps and surface and back sides of nuts Measurement of Object Deformations E2CA Amplifier Unit E2CA E2CA E2CA Amplifier Unit K3TS K3TS Output Output 2 E2CA E2CA Specifications Sensor model Item Amplifier model Supply voltage (operating voltage range) E2CA-X1R5A E2CA-AN4C 100 to 240 VAC 50/60 Hz (90 to 264 VAC) 60 mA max. Ferrous metal 0.3 to 1.5 mm (8 x 8 x 1 mm iron) 0.05% FS 2% FS 10 kHz (--1 dB) 2% to 5% of rated sensing distance 1 kHz 800 Hz 1.5% FS 10 kHz (--1 dB) 0.4 to 2 mm (12 x 12 x 1 mm iron) E2CA-AL4C 12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max. 70 mA max. 100 to 240 VAC 50/60 Hz (90 to 264 VAC) 60 mA max. E2CA-X2A E2CA-AN4D E2CA-AL4D 12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max. 70 mA max. Current consumption Sensing object Sensing range (with standard sensing object) Linear output p characteristics h t i ti Resolution Linearity Response frequency (see note 1) Switching output g p characteristics h t i ti Sensitivity adjustment adjust e t function f i Differential travel Response frequency (see note 2) Sensitivity adjustment Adjustments of switching output within sensing range (switching output) Linear output 4 mA 4-mA adjustment at 20% of rated sensing distance current 20 mA 20-mA adjustment at rated sensing distance adjustment Linear output (see note 3) Switching output 4 to 20 mA (with permissible load resistance of 0 to 300 ) Output 100 mA max. transistor photocoupler output at 40 VDC with max. residual voltage of 2 V Normally open or normally closed (selectable with selector on front panel) 3 or 5 m (selectable with selector on front panel) POWER, SPAN (linear range), and OPER (switching output) indicators Operating: --25 C to 70 C (Sensor) and --10 C to 55 C (Amplifier) with no icing Operating: 35% to 95% (Sensor) and 35% to 85% (Amplifier) 10% FS max. of linear output current at 23 C in the rated ambient operating temperature range of the Sensor and Amplifier Units DC power supply model: 0.5% FS max. of linear output current at a voltage between 80% and 120% of the rated power supply voltage AC power supply model: 0.5% FS max. of linear output current at a voltage between 90% and 110% of the rated power supply voltage 50 M min. (at 500 VDC) between the case and current carry parts DC power supply model: 1,000 VAC (50/60 Hz) for 1 min between current carry parts and case AC power supply model: 1,500 VAC (50/60 Hz) for 1 min between current carry parts and case Sensor (destruction): 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions Amplifier (destruction): 10 to 25 Hz, 2-mm double amplitude for 2 hours each in X, Y, and Z directions Sensor (destruction): 500 m/s2 (approx. 50G) 3 times each in X, Y, and Z directions Amplifier (destruction): 100 m/s2 (approx. 10G) 3 times each in X, Y, and Z directions Sensor: IEC60529 IP67 (JEM IP67g waterproof and oil-proof) Sensor: 2-conductor, 3-m-long (standard length) or 5-m-long shielded cord Approx. 40 g Approx. 250 g Brass ABS resin Polyethylene Approx. 140 g Approx. 250 g Approx. 140 g Switching output mode Cord length compensation Indicators Ambient temperature Ambient humidity Temperature influence Voltage influence Insulation resistance Dielectric strength Vibration resistance Shock resistance Degree of protection Cord length Weight g (see note 4) ( t Material Sensor Amplifier Case Sensing surface Cord 3 E2CA Sensor model Item Amplifier model Supply voltage (operating voltage range) E2CA-X5A E2CA-AN4E 100 to 240 VAC 50/60 Hz (90 to 264 VAC) 60 mA max. Ferrous metal 1 to 5 mm (18 x 18 x 1 mm iron) 0.05% FS 1.5% FS 5 kHz (--1 dB) 2% to 5% of rated sensing distance 350 Hz 100 Hz 2% FS 3 kHz (--1 dB) 2 to 10 mm (30 x 30 x 1 mm iron) E2CA-AL4E 12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max. 70 mA max. 100 to 240 VAC 50/60 Hz (90 to 264 VAC) 60 mA max. E2CA-X10A E2CA-AN4F E2CA E2CA-AL4F 12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max. 70 mA max. Current consumption Sensing object Sensing range (with standard sensing object) Linear output p characteristics h t i ti Resolution Linearity Response frequency (see note 1) Switching output g p characteristics h t i ti Sensitivity adjustment adjust e t function f i Differential travel Response frequency (see note 2) Sensitivity adjustment Adjustments of switching output within sensing range (switching output) Linear output 4 mA 4-mA adjustment at 20% of rated sensing distance current 20 mA 20-mA adjustment at rated sensing distance adjustment Linear output (see note 3) Switching output 4 to 20 mA (with permissible load resistance of 0 to 300 ) Output 100 mA max. transistor photocoupler output at 40 VDC with max. residual voltage of 2 V Normally open or normally closed (selectable with selector on front panel) 3 or 5 m (selectable with selector on front panel) POWER, SPAN (linear range), and OPER (switching output) indicators Operating: --25 C to 70 C (Sensor) and --10 C to 55 C (Amplifier) with no icing Operating: 35% to 95% (Sensor) and 35% to 85% (Amplifier) 10% FS max. of sensing distance at 23 C in the rated ambient operating temperature range of --10 C and 40 C DC power supply model: 0.5% FS max. of linear output current at a voltage between 80% and 120% of the rated power supply voltage AC power supply model: 0.5% FS max. of linear output current at a voltage between 90% and 110% of the rated power supply voltage 50 M min. (at 500 VDC) between the case and current carry parts DC power supply model: 1,000 VAC (50/60 Hz) for 1 min between current carry parts and case AC power supply model: 1,500 VAC (50/60 Hz) for 1 min between current carry parts and case Sensor (destruction): 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions Amplifier (destruction): 10 to 25 Hz, 2-mm double amplitude for 2 hours each in X, Y, and Z directions Sensor (destruction): 500 m/s2 (approx. 50G) 3 times each in X, Y, and Z directions Amplifier (destruction): 100 m/s2 (approx. 10G) 3 times each in X, Y, and Z directions Sensor: IEC60529 IP67 (JEM IP67g waterproof and oil-proof) Sensor: 2-conductor, 3-m-long (standard length) or 5-m-long shielded cord Approx. 60 g Approx. 250 g Brass ABS resin Polyethylene Approx. 140 g Approx. 160 g Approx. 250 g Approx. 140 g Switching output mode Cord length compensation Indicators Ambient temperature Ambient humidity Temperature influence Voltage influence Insulation resistance Dielectric strength Vibration resistance Shock resistance Degree of Protection Cord length Weight g (see note 4) ( t Material Sensor Amplifier Case Sensing surface Cord Note: 1. This is a frequency decreasing the level of linear output current by 1 dB. 2. This is a response frequency measured in accordance with CENELEC standards. 3. The maximum load impedance of the E2CA-AL4 is 150 at a supply voltage of 12 V. 4. The weight includes the 3-m-long cord. The weights of the Amplifiers do not include connecting sockets. 4 E2CA E2CA Engineering Data Sensing Distance vs. Output Current (Typical) E2CA-X1R5A Output current (mA) E2CA-X2A Output current (mA) E2CA-X5A Output current (mA) E2CA-X10A Output current (mA) Sensing distance (mm) E2CA-X5A Linearity (% of full scale) Sensing distance (mm) E2CA-X10A Linearity (% of full scale) 10 dia. Sensing distance (mm) Sensing distance (mm) E2CA-X2A Linearity (% of full scale) Sensing Object Size vs. Linearity (Typical) E2CA-X1R5A Linearity (% of full scale) Sensing object material: Iron t=1 Sensing object material: Iron t=1 Material: Iron t=1 Material: Iron t=1 Sensing distance X (mm) Sensing distance X (mm) Sensing distance X (mm) Sensing distance X (mm) Column Diameter vs. Linearity (Typical) E2CA-X1R5A Linearity (% of full scale) Sensing object material: Iron 8 dia. 10 dia. E2CA-X2A Linearity (% of full scale) f Material: Iron 6 dia. E2CA-X5A Linearity (% of full scale) E2CA-X10A Linearity (% of full scale) Sensing object material: Iron f f Material: Iron 20 dia. 10 dia. 20 dia. 30 dia. 40 dia. 140 dia. 220 dia. Flat plate 30 dia.40 dia. 60 dia. 100 dia. Flat plate Flat plate Flat plate Sensing distance X (mm) Sensing distance X (mm) Sensing distance X (mm) Sensing distance X (mm) 5 E2CA E2CA Nomenclature Selector and Adjuster Settings (1) Operation Mode Selector OUTPUT NO OUTPUT NO NC NC The switching output transistor turns ON when there is sensing object detection. The switching output transistor turns ON when there is no sensing object detection. POWER indicator (red LED) ON when power is supplied to the E2CA. OPER indicator ON when the switching output of the POWER indicator is detected. (ON when detected, OFF when not detected) SPAN indicator Indicates the linear range of green LED output current. (1) Operation mode selector (2) Cord length compensation selector Linear output current adjuster (20 mA) SENSITIVITY adjuster Used to adjust the sensing distance of switching output. Linear output current adjuster (4 mA) CABLE (2) Cord Length Compensation Selector Set the selector to 3 m or 5 m according to the length of the Sensor cord in use. 3m CABLE 3m 5m A cord length of 3 m is selected. A cord length of 5 m is selected. 5m Linear Output Adjustment (LINEARITY Adjuster) Step Positioning --1 2 20% of rated sensing distance Standard object 3 --Rated sensing distance Standard object Remarks LINEARITY adjuster --- --- 4 mA Adjustment procedure Connect an ammeter across terminals 1 and 2. Shielded cord P2CF-11 E2CA-Aj4j Amplifier Unit P2CF-11 Front-connecting Socket Switching output (photocoupler output) 20 mA Fasten the standard object at the rated sensing distance. Turn the 20-mA LINEARITY adjuster slowly clockwise (the output current is increased) or counterclockwise (the output current is decreased) to set the output current to 20 mA. (SPAN indicator is ON.) To further improve the adjustment accuracy, set again the position of the standard object in the order of steps 2 and 3. Perform minute adjustment of the output current. Note: This illustration shows the Sensor Unit connected to the Amplifier Unit with the P2CF-11 Front-connecting Socket mounted. Place the standard object at 20% of the rated sensing distance away from the Sensor Unit. Turn the 4 mA LINEARITY adjuster slowly clockwise (the output current is increased) or counterclockwise (the output current is decreased) to set the output current to 4 mA. (SPAN indicator is ON.) 6 E2CA Sensitivity (Distance) Adjustment Detecting condition Standard target (See Note at below right.) E2CA Compensation of Cord Length Difference Set the CABLE selector to the required position according to the length of the cord being used (3 m or 5 m). CABLE 3m CABLE 3m Low High 5m 5m Standard object 3-m cord 5-m cord SENSITIVITY adjuster SENSITIVITY Adjustment procedure Place the standard object at the specified position. Slowly turn the SENSITIVITY adjuster clockwise (toward "High") and stop it when the OPER. indicator illuminates. Move the object to confirm that the OPER. indicator is ON when the object is at the specified position and that it is OFF when the object is moved away from that position. Operation Output Circuit Linear output: 4 to 20 mA 100 mA max. 2.2 Switching output (+) Timing Chart 100 % Distance (Rated distance) 20 % of object (Set distance) SPAN indicator ON OFF Main circuit Comparator 47 V Linear output 20 mA 4 mA Switching output (--) 0V Mode selector Transistor output (switching output) OPER. indicator NO NC ON OFF ON OFF *SENSITIVITY adjuster Connections Connections between Sensor Units and Amplifier Units E2CA-AL4j+Sensor Unit Sensor Unit E2CA-AN4j+Sensor Unit Sensor Unit Shielded cord Shielded cord White Blue Switching output (Transistorized photocoupler output) White Blue Switching output (Transistorized photocoupler output) E2CA-AL4j Amplifier unit P2CF-11 Front-connecting Socket E2CA/AN4j Amplifier unit P2CF-11 Front-connecting Socket 0 V 12 to 0 V (+) 24 VDC Linear output 100 to 240 VAC 0 V (+) Linear output Note: The above illustrations show the terminal arrangement viewed from the rear of the socket, which is coupled to the Amplifier Unit. 7 E2CA Connection of Resistive Load: E2CA-AN4j+Sensor Unit Shielded cord White White Blue E2CA-AN4j Amplifier +12 V 0V E2CA Connection to Z4W-DD1C Sensor Unit (E2CA) Synchronous sensor Shielded cord Blue 4 to 20 mA 0V Blue Output Black +12 V Brown 4 to 20 mA 0 V E2CA-AN4j Amplifier P2CF-11 Front-connecting Socket 100 to 200 VAC (+) Comparator, microprocessor, etc. R (see note) Z4W-DD1C 100 mA, 30 VDC max. Linear output 0V Note: Resistance R when E2CA-AL4 is used: 300 max. at 24 V/150 Resistance R when E2CA-AN4 is used: 300 max. max. at 12 V 100 to 240 VAc, 50/60 Hz Connection to K3TS-SD12 Sensor Unit Shielded cord White Blue Connection to K3TX-AD22 Sensor Unit Shielded cord White Blue E2CA-AL4j Amplifier P2CF-11 Front-connecting Socket E2CA-AL4j Amplifier P2CF-11 Front-connecting Socket K3TS K3TX 12 to 24 VDC 12 to 24 VDC CQM1 Linear Sensor Interface Unit Connection to CQM1-LSE Sensor White Shielded cord Blue E2CA-AL4j Amplifier P2CF-11 Front-connecting Socket 4 to 20 mA CQM1-LSE01 8 E2CA E2CA Dimensions Note: All units are in millimeters unless otherwise indicated. Sensor Units E2CA-X1R5A E2CA-X2A 2.8 dia. Shielded cord Standard length: 3 m 2.8 dia. Shielded cord Standard length: 3 m E2CA-X5A E2CA-X10A 4.1 dia. 5.5 dia. Shielded cord Standard length: 3 m Shielded cord Standard length: 3 m Amplifier Units E2CA-AjC/F E2CA-AjD/E 48 x 48 44.8x44.8 Mounting Hole Dimensions Model E2CA-X1R5A E2CA-X2A E2CA-X5A E2CA-X10A 8.5 +0.5 0 +0.5 0 +0.5 0 +0.5 0 F (mm) dia. dia. dia. dia. 12.5 18.5 30.5 9 E2CA E2CA Accessories (Order Separately) Mounting Fixture (Y92E-B Series) Four types of exclusive resin mounting fixtures are optionally available. Select the type suited to the dimensions of the Sensor. Y92F-30 Adapter for Flush Mounting Mounting panel Y92F-30 Adapter for flush mounting Y92A-48B Protective Cover The protective hard plastic cover shields the front panel, particularly the setting section, from dust, dirt, and water drip. P3GA-11 Back-connecting Socket Y92A-48B Connecting Sockets for E2CA-Aj4j P2CF-11 Front-connecting Socket (Track Mounted) Eleven, M3.5 sems screws 7.5 Terminal Arrangement (Top View) Mounting Holes Two, 4.5-dia. holes Note: 70 max. The Socket can be mounted to a track. Two, 4.5-dia. hole 50 max. 31.2 max. P3GA-11 Back-connecting Socket 27 dia. Terminal Arrangement (Bottom View) 45 25.6 45 4.5 16.3 6.2 10 E2CA PL11 Back-connecting Socket (Solder Terminal) Terminal Arrangement (Bottom View) Mounting Holes Two, 3.5 dia. or M3 socket mounting holes E2CA Two, 2 dia. Two, 3.5 dia. or M3 socket mounting holes 51 max. 30 dia. 31-dia. hole 35 max. Approx. 20.5 Precautions Correct Use Mounting Do not tighten the nut of the Sensor with excessive force. Be sure to use the washer with the nut when tightening. Mutual Interference If the Sensors are mounted in parallel or face-to-face, be sure to keep the clearance between the Sensors as specified in the table. Model/Distance E2CA-X1R5A E2CA-X2A Model E2CA-X1R5A E2CA-X2A E2CA-X5A E2CA-X10A Note: Tightening torque 1.96 N S m (20 kgf S cm) 5.9 N S m (60 kgf S cm) 14.7 N S m (150 kgf S cm) 39.2 N S m (400 kgf S cm) E2CA-X5A E2CA-X10A 30 30 50 100 A 20 20 35 75 B The above tightening torque applies when a toothed washer is used. Sensor Cord The Sensor cord must be either 3 or 5 m. Do not cut or extend the Sensor cord, otherwise the E2CA may not provide the specified output. Mounting the Amplifier Unit When mounting more than one amplifier vertically, it is recommended that a margin of approximately 20 mm above and below the Socket be provided in consideration of the space required by the hook of the Socket. Effects of Surrounding Metal Be sure to separate the Sensor from surrounding metal objects as shown in the following illustration if the Sensor is embedded. d dia. Hook Duct Model/Distance E2CA-X1R5A E2CA-X2A E2CA-X5A E2CA-X10A Note: 0 0 0 0 (8) d 0 0 0 0 (12) (18) (30) D 4.5 6 15 30 m P2CF-11 Panel The values for "d" indicate distances for the outer diameter of the shielded models. 11 E2CA Enclosed Mounting If the Y92F-30 Adapter is used, insert the E2CA into the square hole from the front side of the panel and slide the Y92F-30 onto the E2CA from the rear side of the E2CA. Then press the Y92F-30 so that the space between the Y92F-30 and the panel is reduced as much as possible. Finally, secure the Y92F-30 with screws. E2CA Removing the Amplifier Unit If the Y92F-30 is used, loosen the screws of the Y92F-30, spread out the hooks, and remove the Y92F-30. Panel Y92F-30 Adapter P3G-11 Back-mounting Socket Others The accuracy of the E2CA will vary with the on-site environment. The resolution, temperature characteristics, and voltage characteristic linearity are especially affected. Therefore, keep the on-site environment as suitable for the E2CA as possible. ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. Cat. No. D77-E1-1 In the interest of product improvement, specifications are subject to change without notice. OMRON Corporation Industrial Sensors Division Sensing Devices and Components Division H.Q. 28th Fl., Crystal Tower Bldg. 1-2-27, Shiromi, Chuo-ku, Osaka 540-6028 Japan Phone: (81)6-949-6012 Fax: (81)6-949-6021 Printed in Japan 0398-0.5M (0398) a 12 |
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