commercial miniature 16mm size series 288 1 - 4 ? 2011 cts corporation. all rights reserved. information subject to change. 05/20/11 cts electrocomponents www.ctscorp.com data sheet rotary encoder ? electrocomponents robust construction 2-bit incremental or 4-bit absolute encoder electrical and mechanical specifications contact resistance voltage rating rotational life 50,000 cycles solder heat resistance 260c for 5 seconds rotational torque no detent: 36 - 216 gf.cm with detent: 100 - 500 gf.cm push-pull strength of shaft 8 kg minimum for 10 seconds optional momentary switch available with 16 detents features solder lug or pcb terminals bushing mount rohs compliant rotary encoder continuous rotation temperature range operating: -25c to +100c storage: -30c to +100c insulation resistance special consult cts for customized or features not listed, including other detent points, resolution, torque and mounting style. detent points 16 detents available resolution 2-bit: 4, 6, 8,10 or 12 pulses in 360 encoder: 4-bit: 16 combinations in 360
2 - 4 05/20/11 cts electrocomponents www.ctscorp.com ? 2011 cts corporation. all rights reserved. information subject to change. electrical and mechanical specifications (continued) switch contact resistance switch rating switch bounce switch operating force 350 150 g (12.3 5.3 oz.) switch life 15,000 operations switch travel 0.5mm (.020) optional momentary switch: 4 bit gray code 4 bit hexadecimal code 2 bit binary code 0 0 1 1 1 1 1 0 1 1 0 0 0 1 0 1 4 6 4 7 48 1 5 16 14 1 2 13 0 0 1 1 0 1 0 1 1 1 1 0 0 0 1 1 1 1 0 b 0 a 0 0 denotes common con t act closure t o 1 1 10 9 7 6 8 4 3 2 1 no. 5 pos. 288x typical 2-bit encoder parallel to p.c. board 2-288x typical 4-bit encoder parallel to p.c. board truth table a e .145 3.68 8.100.05 .319.002 c d b f mtg. sur f ace 5.000.05 .197.002 .055 .016 0.4 ?1.40 (6)hl's. 10.000.05 .394.002 3/8-32unef-2a 8.5 .335 max. max. 18.0 .709 7.90.13 .3 1 1.005 "l" 15.10.4 .441 .492 .594.016 f c d a e 16.4 .646 b 12.5 1 1.2 "a" mtg. sur f ace 0.8 .031 mm inch dimension : ref. c b a 0.4 0.8 .492 12.50 .3 1 1.005 7.90.13 max. .055 .269 .197.002 .394.002 10.000.05 .646 .016 .402.016 .441 .335 8.5 .709 .031 mtg. sur f ace ?1.40 (3) 5.000.05 6.83 mtg. sur f ace 10.20.4 "a" "l" 3/8-32unef-2a b c a 18.0 max. 16.4 1 1.20 mm inch dimension : e f 0 0 0 0 0 0 0 0 b a no. pos. 1 0 1 1 0 1 2 4 3 1 0 0 denotes contact closure to common 0 0 0 1 1 1 1 1 1 0 0 0 0 1 1 0 1 1 1 0 6 8 7 1 0 1 1 1 0 10 12 11 0 9 0 1 1 1 1 1 1 1 0 1 0 1 0 14 16 15 13 0 0 1 1 0 5 0 0 1 f e b 1 0 1 0 0 1 0 1 0 0 0 0 a pos. no. 0 0 0 2 3 4 1 0 denotes contact closure to common 1 0 1 1 0 1 1 1 1 1 0 1 1 1 0 1 0 1 0 1 1 1 0 1 0 1 0 0 0 0 0 0 1 1 1 1 6 7 8 0 0 0 10 11 12 0 9 1 1 1 14 15 16 1 13 0 1 0 1 5
.086x.060 2.18x1.52 .402.016 10.20.4 .031 mtg. sur f ace "a"0.4 "l"0.8 3/8-32unef-2a .016 2.920.08 hl's(3) .646 16.4 a c b . 1 15.003 .284 7.3 .3 1 1.005 7.90.13 .709 18.0 max. .441 .335 1 1.2 max. 8.5 mm inch dimension : 10.000.08 .394.003 b c a ?1.40(3) hl's .055 12.70 max. .500 5.000.05 .197.002 center line of encoder .055 b ?1.40 (3) hl's .197.005 c a .524.005 13.300.13 5.000.13 (2) 2 s .067 ?1.70 (2) hl's 1 s .492 7.00.13 .098.005 .276.005 12.5 2.50.13(2) max. 18.0 .709 b a 16.4 c .646 .016 0.8 0.4 7.90.13 .3 1 1.005 10.20.4 .402.016 "l" 6.4 .252 mtg. sur f ace "a" 3/8-32unef-2a .031 18.0 .709 max. .031 0.8 3/8-32unef-2a .3 1 1.005 7.90.13 c a 16.4 .646 .020 0.5 tr a vel (reference) 12.26 .483 10.76 .424 "a" .016 0.4 4.87 .192 mtg. sur f ace "l" 12.5 8.5 .492 .335 b a 2.50.05 c b s2 s1 ?1.40 (5)hl's. mtg. sur f ace .121.005 3.070.13 18.0 max. .709 12.5 .492 .3 1 1.005 7.90.13 .394.003 .269 6.83 2.50.05 .197.002 5.000.05 10.000.08 .646 0.39.005 1.000.13(5) .157 4.0 16.4 a c .098.002 b .098.002 mm inch mm inch mm inch 288v typical 2-bit perpendicular to p.c. board 288t typical 2-bit encoder with solder lug terminals mc-288v typical 2-bit encoder with momentary switch perpendicular to p.c. board mc-288x typical 2-bit encoder with momentary switch parallel to p.c. board dimension : dimension : dimension : max. 8.5 .335 (2) max. 8.5 .335 3 - 4 05/20/11 cts electrocomponents www.ctscorp.com ? 2011 cts corporation. all rights reserved. information subject to change. 12.26 10.76 .424 .483 .020 0.4 .016 .031 0.8 "a" "l" (reference) mtg. sur f ace 0.5 tr a vel 3/8-32 unef-2a
4 - 4 05/20/11 cts electrocomponents www.ctscorp.com please consult cts for customized or features not listed . ? 2011 cts corporation. all rights reserved. information subject to change. terminal style t C solder lug x C pc **v C pc formed to rear not available in **not available with 4 bit code switch construction. * * "a" bushing length mm inch a=5.0mm 2=.250" b=6.35mm 3=.375" c=7.0mm 8=1.000" d=9.53mm all all m8x.75p 3/8-32 unef-2a "l" shaft length mm inch a0=10mm 20=.625" a5=15mm 24=.750" b0=20mm 28=.875" b5=25mm 32=1.000" c0=30mm c5=35mm shaft trim r C round f C flatted k C knurled & slotted s detent 1 C none 2 C 16 detents switch a C none b C momentary switch encoder code 1 C 2 bit binary 2 C 4 bit gray 3 C 4 bit hex adecimal combination (resolution) 16 - 16 com (4 pulses - 2 bit) 24 - 24 com (6 pulses) 32 - 32 com (8 pulses) 40 - 40 com (10 pulses) 48 - 48 com (12 pulses) ordering information t b 2 8 8 2 4 f 4 0 2 a 1 all all 6.0mm dia. .250" dia. C slotted * * * 16 combination only * 2 bit models only * shaft trim dimension: inch mm f - flatted r - round k - knurled & slotted s - slotted y z x y x y w x y z imperial shaft metric shaft z .344 7.0 24 teeth 18 teeth .062 1.57 x imperial shaft metric shaft .250 6.00 x y imperial shaft metric shaft .250 6.00 .156 4.50 x z .375 7.00 z x x y imperial shaft metric shaft .250 6.00 .046 1.17 z .062 1.57 w .250 6.00 - 16 com (1 pulse - 4 bit)
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