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1 inductive proximity sensor e2ca 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 p 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. ordering information shield size sensing d i t ( s ) response frequency sensor unit amplifier unit g distance (sn) linear output switching output dc ac shielded m8 0.3to1.5mm 10 khz 1khz e2ca-xir5a e2ca-al4c e2ca-an4c m12 0.4to2mm 10 khz 800 hz e2ca-x2a e2ca-al4d E2CA-AN4D m18 1to5mm 5khz 350 hz e2ca-x5a e2ca-al4e e2ca-an4e m30 2to10mm 3khz 100 hz e2ca-x10a e2ca-al4f e2ca-an4f
e2ca e2ca 2 application examples detection of metals on other metals counts the number of gear teeth. detects mounting screws, riv- ets, and soldering condition detection of loosened screws improper screwing loosened discrimination of materials brass iron copper measurement of sheet angles measures leaned press molds and elevated boards metal plate measurement of external dimensions metal object 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 amplifier unit e2ca amplifier unit e2ca amplifier unit e2ca ampli- fier unit e2ca ampli- fier unit e2ca amplifier unit e2ca amplifier unit e2ca amplifier unit output output output output output output output e2ca e2ca e2ca e2ca e2ca e2ca e2ca e2ca k3ts k3ts k3ts k3ts k3ts k3ts k3ts k3ts sensing head measurement of sheet thickness
e2ca e2ca 3 specifications sensor model e2ca-x1r5a e2ca-x2a item amplifier model e2ca-an4c e2ca-al4c E2CA-AN4D e2ca-al4d supply voltage (operating voltage range) 100 to 240 vac 50/60 hz (90to264vac) 12 to 24 vdc (10to30vdc), ripple (p-p): 10% max. 100 to 240 vac 50/60 hz (90to264vac) 12 to 24 vdc (10to30vdc), ripple (p-p): 10% max. current consumption 60 ma max. 70 ma max. 60 ma max. 70 ma max. sensing object ferrous metal sensing range (with standard sensing object) 0.3 to 1.5 mm (8 x 8 x 1 mm iron) 0.4to2mm(12x12x1mmiron) linear output h t i t i resolution 0.05% fs p characteristics linearity r 2% fs r 1.5% fs response frequency (see note 1) 10 khz (--1 db) 10 khz (--1 db) switching output h t i t i differential travel 2% to 5% of rated sensing distance g p characteristics response frequency (see note 2) 1khz 800 hz sensitivity adjustment f i sensitivity adjustment (switching output) adjustments of switching output within sensing range a d j u s t e t function linear output c u r r e n t 4ma 4-ma adjustment at 20% of rated sensing distance current adjustment 20 ma 20-ma adjustment at rated sensing distance output linear output (see note 3) 4 to 20 ma (with permissible load resistance of 0 to 300 : ) switching output 100 ma max. transistor photocoupler output at 40 vdc with max . residual voltage of 2 v switching output mode normally open or normally closed (selectable with selector on f ront panel) cord length compensation 3 or 5 m (selectable with selector on front panel) indicators power, span (linear range), and oper (switching output) indicat ors ambient temperature operating: --25 q cto70 q c (sensor) and --10 q cto55 q c (amplifier) with no icing ambient humidity operating: 35% to 95% (sensor) and 35% to 85% (amplifier) temperature influence r 10% fs max. of linear output current at 23 q c in the rated ambient operating temperature range of the sensor and amplifier units voltage influence dc power supply model: r 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: r 0.5% fs max. of linear output current at a voltage between 90% and 110% of the rated power supply voltage insulation resistance 50 m : min. (at 500 vdc) between the case and current carry parts dielectric strength dc power supply model: 1,000 vac (50/60 hz) for 1 min between c urrent carry parts and case ac power supply model: 1,500 vac (50/60 hz) for 1 min between c urrent carry parts and case vibration resistance 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 fo r 2 hours each in x, y, and z directions shock resistance sensor (destruction): 500 m/s 2 (approx. 50g) 3 times each in x, y, and z directions amplifier (destruction): 100 m/s 2 (approx. 10g) 3 times each in x, y, and z directions degree of protection sensor: iec60529 ip67 (jem ip67g waterproof and oil-proof) cord length sensor: 2-conductor, 3-m-long (standard length) or 5-m-long shie lded cord weight ( t 4 ) sensor approx. 40 g g (see note 4) amplifier approx. 250 g approx. 140 g approx. 250 g approx. 140 g material case brass sensing surface abs resin cord polyethylene
e2ca e2ca 4 sensor model e2ca-x5a e2ca-x10a item amplifier model e2ca-an4e e2ca-al4e e2ca-an4f e2ca-al4f supply voltage (operating voltage range) 100 to 240 vac 50/60 hz (90to264vac) 12 to 24 vdc (10to30vdc), ripple (p-p): 10% max. 100 to 240 vac 50/60 hz (90to264vac) 12 to 24 vdc (10to30vdc), ripple (p-p): 10% max. current consumption 60 ma max. 70 ma max. 60 ma max. 70 ma max. sensing object ferrous metal sensing range (with standard sensing object) 1to5mm(18x18x1mmiron) 2to10mm(30x30x1mmiron) linear output h t i t i resolution 0.05% fs p characteristics linearity r 1.5% fs r 2% fs response frequency (see note 1) 5 khz (--1 db) 3 khz (--1 db) switching output h t i t i differential travel 2% to 5% of rated sensing distance g p characteristics response frequency (see note 2) 350 hz 100 hz sensitivity adjustment f i sensitivity adjustment (switching output) adjustments of switching output within sensing range a d j u s t e t function linear output c u r r e n t 4ma 4-ma adjustment at 20% of rated sensing distance current adjustment 20 ma 20-ma adjustment at rated sensing distance output linear output (see note 3) 4 to 20 ma (with permissible load resistance of 0 to 300 : ) switching output 100 ma max. transistor photocoupler output at 40 vdc with max . residual voltage of 2 v switching output mode normally open or normally closed (selectable with selector on f ront panel) cord length compensation 3 or 5 m (selectable with selector on front panel) indicators power, span (linear range), and oper (switching output) indicat ors ambient temperature operating: --25 q cto70 q c (sensor) and --10 q cto55 q c (amplifier) with no icing ambient humidity operating: 35% to 95% (sensor) and 35% to 85% (amplifier) temperature influence r 10% fs max. of sensing distance at 23 q c in the rated ambient operating temperature range of --10 q c and 40 q c voltage influence dc power supply model: r 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: r 0.5% fs max. of linear output current at a voltage between 90% and 110% of the rated power supply voltage insulation resistance 50 m : min. (at 500 vdc) between the case and current carry parts dielectric strength dc power supply model: 1,000 vac (50/60 hz) for 1 min between c urrent carry parts and case ac power supply model: 1,500 vac (50/60 hz) for 1 min between c urrent carry parts and case vibration resistance 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 fo r 2 hours each in x, y, and z directions shock resistance sensor (destruction): 500 m/s 2 (approx. 50g) 3 times each in x, y, and z directions amplifier (destruction): 100 m/s 2 (approx. 10g) 3 times each in x, y, and z directions degree of protection sensor: iec60529 ip67 (jem ip67g waterproof and oil-proof) cord length sensor: 2-conductor, 3-m-long (standard length) or 5-m-long shie lded cord weight ( t 4 ) sensor approx. 60 g approx. 160 g g (see note 4) amplifier approx. 250 g approx. 140 g approx. 250 g approx. 140 g material case brass sensing surface abs resin cord polyethylene note: 1. this is a frequency decreasing the level of linear output curre nt by 1 db. 2. this is a response frequency measured in accordance with cene lec 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 ampl ifiers do not include connecting sockets.
e2ca e2ca 5 engineering data sensing distance vs. output current (typical) e2ca-x1r5a e2ca-x2a e2ca-x5a e2ca-x10a sensing object size vs. linearity (typical) e2ca-x1r5a e2ca-x2a e2ca-x5a e2ca-x10a column diameter vs. linearity (typical) e2ca-x1r5a e2ca-x2a e2ca-x5a e2ca-x10a output current (ma) sensing distance (mm) output current (ma) sensing distance (mm) output current (ma) sensing distance (mm) output current (ma) sensing distance (mm) linearity (% of full scale) sensing distance x (mm) linearity (% of full scale) sensing distance x (mm) linearity (% of full scale) sensing distance x (mm) linearity (% of full scale) sensing distance x (mm) linearity (% of full scale) sensing distance x (mm) linearity (% of full scale) sensing distance x (mm) linearity (% of full scale) sensing distance x (mm) linearity (% of full scale) sensing distance x (mm) 8dia. 10 dia. 6dia. 10 dia. 20 dia. 30 dia. 40 dia. flat plate flat plate flat plate flat plate material: iron t=1 140 dia. 220 dia. sensing object material: iron t=1 material: iron t=1 sensing object material: iron t=1 sensing object material: iron sensing object material: iron material: iron material: iron f f f 20 dia. 10 dia. 30 dia. 40 dia. 60 dia. 100 dia.
e2ca e2ca 6 nomenclature selector and adjuster settings (1) operation mode selector 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) (1) operation mode selector (2) cord length compensation selector sensitivity adjuster used to adjust the sensing distance of switching output. span indicator indicates the linear range of green led output current. linear output current adjuster (20 ma) linear output current adjuster (4 ma) (2) cord length compensation selector settheselectorto3mor5maccordingtothe length of the sensor cord in use. a cord length of 3 m is selected. a cord length of 5 m is selected. output output no no nc nc cable cable 3m 3m 5m 5m linear output adjustment (linearity adjuster) step 1 2 3 remarks positioning --- 20% of rated sensing distance standard object standar d object rated sensing distance --- linearity adjuster --- 4ma 20 ma --- adjustment procedure connect an ammeter across terminals 1 and 2. shielded cord note: this illustration shows the sensor unit connected to the amplifier unit with the p2cf-11 front-connecting socket mounted. p2cf-11 switching output (photocoupler output) e2ca-a j 4 j amplifier unit p2cf-11 front-connecting socket place the standard object at 20% of the rated sensing distance away from the sensor unit.turnthe4ma 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.) 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.
e2ca e2ca 7 sensitivity (distance) adjustment detecting condition standard object standard target (see note at below right.) sensitivity adjuster sensitivity low high 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. 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 5m 3-m cord cable 3m 5m 5-m cord operation output circuit timing chart main circuit compa- rator 100 ma max. 47 v linear output: 4to20ma switching output (+) switching output (--) 0v distance of object span indicator linear output mode selector transistor output (switching output) oper. indicator 2.2 : 100 % (rated distance) 20 % (set distance) on off 20 ma 4ma on off on off no nc *sensitivity adjuster connections connections between sensor units and amplifier units e2ca-al4 j + sensor unit sensor unit shielded cord white blue switching output (transistorized photocoupler output) 0v 12to 24 vdc 0v (+) linear output sensor unit shielded cord white blue switching output (transistorized photocoupler output) 0v (+) linear output 100 to 240 vac e2ca-an4 j + sensor unit e2ca-al4 j amplifier unit p2cf-11 front-connecting socket e2ca/an4 j amplifier unit p2cf-11 front-connecting socket note: the above illustrations show the terminal arrangement viewed from the rear of the socket, which is coupled to the amplifier unit.
e2ca e2ca 8 shielded cord white blue comparator, microproces- sor, etc. connection of resistive load: e2ca-an4 j +sensor unit connection to z4w-dd1c e2ca-an4 j amplifier synchronous sensor shielded cord 4to20ma 0v +12 v blue output black brown linear output (+) 100 to 200 vac r (see note) e2ca-an4 j amplifier p2cf-11 front-connecting socket white blue 100 ma, 30 vdc max. 100 to 240 vac, 50/60 hz sensor unit (e2ca) z4w-dd1c note: resistance r when e2ca-al4 is used: 300 : max. at 24 v/150 : max. at 12 v resistance r when e2ca-an4 is used: 300 : max. +12 v 0 v 4to20ma 0v 0v e2ca-al4 j amplifier p2cf-11 front-connecting socket connection to k3ts-sd12 connection to k3tx-ad22 shielded cord shielded cord sensor unit sensor unit white blue 12 to 24 vdc k3ts white blue 12 to 24 vdc e2ca-al4 j amplifier p2cf-11 front-connecting socket k3tx cqm1 linear sensor interface unit connection to cqm1-lse shielded cord sensor e2ca-al4 j amplifier p2cf-11 front-connecting socket white blue 4to20ma cqm1-lse01
e2ca e2ca 9 dimensions note: all units are in millimeters unless otherwise indicated. sensor units e2ca-x1r5a e2ca-x2a shielded cord standard length: 3 m shielded cord standard length: 3 m 2.8 dia. 2.8 dia. e2ca-x5a e2ca-x10a shielded cord standard length: 3 m shielded cord standard length: 3 m 5.5 dia. 4.1 dia. amplifier units e2ca-a j c/f e2ca-a j d/e 48 x 48 44.8x44.8 mounting hole dimensions model f (mm) e2ca-x1r5a 8.5 dia. +0.5 0 e2ca-x2a 12.5 dia. +0.5 0 e2ca-x5a 18.5 dia. +0.5 0 e2ca-x10a 30.5 dia. +0.5 0
e2ca e2ca 10 accessories (order separately) mounting fixture (y92e-b series) four types of exclusive resin mounting fixtures are optionall y available. select the type suited to the dimensions of the sensor. 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. mounting panel y92f-30 adapter for flush mounting p3ga-11 back-con- necting socket y92a-48b connecting sockets for e2ca-a j 4 j p2cf-11 front-connecting socket (track mounted) eleven, m3.5 7.5 sems screws two, 4.5-dia. hole 70 max. 31.2 max. terminal arrangement (top view) mounting holes two, 4.5-dia. holes note: the socket can be mounted to a track. 50 max. p3ga-11 back-connecting socket terminal arrangement (bottom view) 27 dia. 45 45 25.6 4.5 16.3 6.2
e2ca e2ca 11 pl11 back-connecting socket (solder terminal) terminal arrangement (bottom view) mounting holes two, 3.5 dia. or m3 socket mounting holes 31-dia. hole 51 max. 35 max. 30 dia. approx. 20.5 two, 2 dia. two, 3.5 dia. or m3 socket mounting holes precautions correct use mounting do not tighten the nut of the sensor with excessive force. be su re to use the washer with the nut when tightening. model tightening torque e2ca-x1r5a 1.96 n s m(20kgf s cm) e2ca-x2a 5.9 n s m(60kgf s cm) e2ca-x5a 14.7 n s m (150 kgf s cm) e2ca-x10a 39.2 n s m (400 kgf s cm) note: the above tightening torque applies when a toothed wash- er is used. 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. ddia. model/distance ? d d m e2ca-x1r5a 0 (8) 0 4.5 e2ca-x2a 0 (12) 0 6 e2ca-x5a 0 (18) 0 15 e2ca-x10a 0 (30) 0 30 note: the values for ?d? indicate distances for the outer diameter of the shielded models. 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 tabl e. model/distance a b e2ca-x1r5a 30 20 e2ca-x2a 30 20 e2ca-x5a 50 35 e2ca-x10a 100 75 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 ou t- put. mounting the amplifier unit when mounting more than one amplifier vertically, it is recom- mended 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. hook duct panel p2cf-11
e2ca e2ca 12 enclosed mounting if the y92f-30 adapter is used, insert the e2ca into the square ho le from the front side of the panel and slide the y92f-30 onto the e2 ca 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. panel y92f-30 adapter p3g-11 back-mounting socket 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. others the accuracy of the e2ca will vary with the on-site environment. the resolution, temperature characteristics, and voltage chara cter- istic linearity are especially affected. therefore, keep the on -site en- vironment as suitable for the e2ca as possible. 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 all dimensions shown are in millimeters. to convert millimeters into inches, multiply by 0.03937. to con vert grams into ounces, multiply by 0.03527. cat. no. d77-e1-1 in the interest of product improvement, specifications are subje ct to change without notice. printed in japan 0398-0.5m (0398) a

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