rotary switches 21 www.elma.com 16 or 32 detents standard resolution w ith or without integrated push button r otational life: 100,000 revolutions 0.5, 1.5 or 2.5 ncm switching torque gold plated contacts optional ip67 front panel sealing operating temperature range: -40 to +85c v arious options and customization incremental encoders type e20 & e27 preference types selection chart 1 type e20 (smt) torque push button 30 detents 16 detents 1.5 ncm yes, 6 n e20-0-51141al032 e20-1-51141al032 yes, 3 n e20-0-52141al032 E20-1-52141AL032 no e20-0-50141al032 e20-1-50141al032 type e27 (tht) orientation torque bushing push button 30 detents 16 detents vertical 1.5 ncm threaded yes, 6 n e27-0-21151al011 e27-1-21151al011 no e27-0-20151al011 e27-1-20151al011 non-threaded yes, 6 n e27-0-21101al001 e27-1-21101al001 no e27-0-20101al001 e27-1-20101al001 2.5 ncm threaded yes, 6 n e27-0-21251al011 e27-1-21251al011 no e27-0-20251al011 e27-1-20251al011 type e20 (smt) standard product variety vertical or horizontal mounting tht or smt reflow (vacuum pick & place) threaded or non-threaded bushing 3 or 6 n push button force or without push button 16/8 or 30/15 detents/pulses per revolution (ppr) 0.5, 1.5 or 2.5 ncm switching torque or no detents ip50 or ip67 front panel sealing shaft mounted, separated or without shaft with or without shaft insulation with or without nut various standard shafts available tray or tape & reel packaging typical applications value and menu control for industrial plcs avionics, instrumentation, test equipment frequency and channel selection for two way radios user interface controls for medical devices volume and menu setting for transportation control and entertainment systems 1 for other types/options, see type key. type e27 (tht) examples of customization examples of customization metal housing with m6 x 0.35 thread shaft dimensions and shape
rotary switches 22 www.elma.com specifications encoder mechanical data resolution: ........................................................................ 30 or 16 detents switching torque (new condition): ........................................ 0.5, 1.5 or 2.5 ncm (+/- 50%) rotational life: ................................................................... 100,000 revolutions min. with 0.5 or 1.5 ncm 75,000 revolutions min. with 2.5 ncm shaft strength: ................................................................... 50 n min. pull f astening torque of nut: ..................................................... 25 ncm max. electrical data coding/output: .................................................................. 2-bit quadrature resolution: ........................................................................ 15 or 8 pulses per revolution (ppr) per channel operating speed: .............................................................. 60 rpm max. contact bouncing time: ...................................................... 2 ms max. contact resistance: ............................................................ 10 ohms max. (over the entire rotational life) dielectric withstanding voltage to shaft: ............................... 2 kv (optional with push button) material data shaft: ................................................................................ aluminum housing: ........................................................................... f iber enforced plastic nut: .................................................................................. brass contact system: ................................................................. alloy copper , auco plated (hard gold) soldering leads: ................................................................. alloy copper , tin plated housing clamp, retention clips: ........................................... tin-plate environmental data operating temperature range: ............................................ -40 to +85c storage temperature range: ............................................... -55 to +90c ip sealing: ......................................................................... ip50, optional ip67 shaft/front panel sealing vibration: .......................................................................... 50 g rms max. @ 10 to 500 hz flammability: ..................................................................... ul94- v0 packaging sizes tray: ................................................................................. 80 pcs. t ape & reel (e20 only): ....................................................... 300 pcs. additional data for push button switch mechanical data push button actuation force (new condition): ........................ 6 n (+/- 50%), optional 3 n (+/- 50%) push button switch travel: ................................................... 0.5 (+0.4/-0.3) mm push button switch life: ....................................................... 100,000 actuations min. electrical data contact bouncing time: ...................................................... 2 ms max. contact resistance: ............................................................ 10 ohms max. (over the entire rotational life) soldering conditions hand soldering: ................................................................. 340c max. during 2 s max. w ave soldering: ................................................................. 280c max. peak temperature during 5 s max. t emperatures or process duration exceeding rated maximum conditions may harm encoder function. incremental encoders type e20 & e27 240 +/-10 217 200 max. 150 min. 25 200 s max. 120 s max. 60 s max. 20 s max. t t [c] reflow profile (complies to ipc/jedec j-std-020c)
rotary switches 23 www.elma.com incremental encoders type e20 & e27 vertical, non-threaded bushing 5 5 7,51,8 2,6 77,5 a ss c b ? applicable only with integrated push button function. ?1 vertical, threaded bushing 11,5 6,5 3,5 12 ?6 ?7 4,5 hub 0,5 19,5 2,5 3,5 13,75 7,25 a c b applicable only on the version with integrated push button function. height of switch housing is reduced to 5,3 mm from 6,5 mm for the version without integrated push button function. 6,5 7,3 12 ?6 4,5 hub 0,5 23,3 2,5 3,5 m7 x 0,75 1 7,25 6,5 11,5 6,5 * * push button travel 0,5 a s s b c a b c ?9,5 0,8 5 7,4 15,1 11,5 5 ?4 ?8,8 8,8 8,8 6,4 13,75 7,25 2,3 1,7 3,25 6,5 9,1 2,4 11,3 1,7 2,4 2,05 3,55 ?2 ?1,5 1,2 ?1,5 ?2,055 4,5 s s horizontal, non-threaded bushing 3,65 ?1(5x) 2,1 a b c 2,5 1,8 5 13,5 3,2 0,8 6 2 drilling diagram view from mounting side front panel cut out locating lug s s horizontal, threaded bushing 0,8 4,5 0,5 12 6,5 19,5 ?6 0,8 4,5 0,5 12 6,5 23,3 7,3 ?6 1 11,5 a c b (17,65) 7,256,5 3,9 7,1 0,2 m7 x 0,75 3,5 ?7 1,8 m7 x 0,75 0,8 11,5 7,25 7,1 3,5 * type e20 (smt) type e27 (tht) drawings push button travel 0,5 a s s b c a b c ?9,5 0,8 5 7,4 15,1 11,5 5 ?4 ?8,8 8,8 8,8 6,4 13,75 7,25 2,3 1,7 3,25 6,5 9,1 2,4 11,3 1,7 2,4 2,05 3,55 ?2 ?1,5 1,2 ?1,5 ?2,055 4,5 s s push button travel 0,5 a s s b c a b c ?9,5 0,8 5 7,4 15,1 11,5 5 ?4 ?8,8 8,8 8,8 6,4 13,75 7,25 2,3 1,7 3,25 6,5 9,1 2,4 11,3 1,7 2,4 2,05 3,55 ?2 ?1,5 1,2 ?1,5 ?2,055 4,5 s s 11,5 6,5 3,5 12 ?6 ?7 4,5 hub 0,5 19,5 2,5 3,5 13,75 7,25 a c b applicable only on the version with integrated push button function. height of switch housing is reduced to 5,3 mm from 6,5 mm for the version without integrated push button function. 6,5 7,3 12 ?6 4,5 hub 0,5 23,3 2,5 3,5 m7 x 0,75 1 7,25 6,5 11,5 6,5 0,8 4,5 0,5 12 6,5 19,5 ?6 0,8 4,5 0,5 12 6,5 23,3 7,3 ?6 1 11,5 a c b (17,65) 7,256,5 3,9 7,1 0,2 m7 x 0,75 3,5 ?7 1,8 m7 x 0,75 0,8 11,5 7,25 7,1 3,5 0,8 4,5 0,5 12 6,5 19,5 ?6 0,8 4,5 0,5 12 6,5 23,3 7,3 ?6 1 11,5 a c b (17,65) 7,256,5 3,9 7,1 0,2 m7 x 0,75 3,5 ?7 1,8 m7 x 0,75 0,8 11,5 7,25 7,1 3,5 11,5 6,5 3,5 12 ?6 ?7 4,5 hub 0,5 19,5 2,5 3,5 13,75 7,25 a c b applicable only on the version with integrated push button function. height of switch housing is reduced to 5,3 mm from 6,5 mm for the version without integrated push button function. 6,5 7,3 12 ?6 4,5 hub 0,5 23,3 2,5 3,5 m7 x 0,75 1 7,25 6,5 11,5 6,5 * 0,8 4,5 0,5 12 6,5 19,5 ?6 0,8 4,5 0,5 12 6,5 23,3 7,3 ?6 1 11,5 a c b (17,65) 7,256,5 3,9 7,1 0,2 m7 x 0,75 3,5 ?7 1,8 m7 x 0,75 0,8 11,5 7,25 7,1 3,5 * signal output s c encoder pb s a b cw on o on o a b detents cw on o on o b a detents 30 detents (15 ppr) 16 detents (8 ppr)
rotary switches 24 www.elma.com incremental encoders type e20 & e27 16 0.5x45 ?6 12 4.5 1 - standard (d-shape) 2 - screw driver slot 3 - d-shape 8.5 mm 5 - d-shape 14.3 mm 6 - d-shape 13.1 mm 7 - cross-knurl 8 - knurl 9 - knurl h - knurl i - d-shape 34.1 mm m - d-shape 12.45 mm shaft drawings 2 0.85 3 8.5 ?6 7 4.5 5 6 14.3 11.5 5 6 13.1 11.5 0.5x45 ?6 11.6 8 9 knurl din 82-rgv 0.5 6.6 9.6 ?4 knurl din 82-raa 0,6 6 1 ?6 1 13.8 0.5x45 knurl din 82-raa 1,0 9.6 6 ?6 knurl din 82-raa 0,5 ?6 34.1 12 4.5 ?6 4.5 12.45 7 9.6 6 ?6 knurl din 82-raa 0,5 ?6 34.1 12 4.5 ?6 4.5 12.45 7
rotary switches 25 www.elma.com incremental encoders type e20 & e27 resolution 0 - 30 detents (15 ppr) 1 - 16 detents (8 ppr) orientation/mounting 1 - tht horizontal 2 - tht vertical 5 - smt vertical push button 0 - without push button 1 - 6 n 2 - 3 n torque 0 - no detents 1 - 1.5 ncm 2 - 2.5 ncm 3 - 0.5 ncm bushing style 0 - tht, non-threaded ? 7 mm x 3.5 mm 4 - smt, non-threaded ? 9 mm x 2.6 mm 5 - tht , threaded m7 x 0.75 x 7.3 mm nut, washer, shaft 0 - without nut and washer 1 - with nut 2 - with nut and washer 3 - shaft separated 4 - shaft separated, with nut 5 - shaft separated, with nut and washer packaging 1 - tray (tht or smt, 80 pcs.) 2 - tape & reel (smt only, 300 pcs., shaft separated) shaft type f or bushing style 0 4 5 0 - without shaft x x x 1 - d -shape 16 mm 1 x x x 2 - screw driver slot x 3 - d -shape 8.5 mm x x 5 - d -shape 14.3 mm x 6 - d -shape 13.1 mm x x 7 - cross -knurl x x 8 - knurl x 9 - p arallel-knurl x x x h - knurl x i - d -shape 34.1 mm x m - d -shape 12.45 mm x 1 basic type type key e 2 0 (e27) - x - x x x x x xx x x x shaft, shaft insulation 00 - without shaft al - aluminum ae - aluminum, 2 kv shaft insulation (only applicable with push button) ip sealing 0 - ip50 1 - ip67 shaft sealing (o-ring) 2 - ip67 front panel sealing (gasket) 3 - ip67 shaft/front panel sealing
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