? 16 m m rotar y encoder s features series 288 encode r electrical and mechanical specifications v oltage ratin g 5vdc @ 0.5milliam p current ratin g 5m a max . t emperature ratin g operation: -25c to +100 c contact resistanc e 500 ohms static closed circuit maximu m contact cts for special requirement s detent point s 16 detents avaialabl e resolution switch ratin g 4,6,8,10 or 12 pulses in 360 on 2 bit s switch lif e switch contact resistanc e 100 milliohms maximum initia l 200 milliohms maximum after lif e switch operation forc e 350 150 gf (12.3 oz 5.3 oz ) switch bounc e 5 milliseconds max . switch t ravel lengt h pull and thrust on shaf t withstand a pushing force and pulling force of 8 kg static load applied to axial direction for 10 1 second without physical damage or electrical degradatio n ? low cost, robust design ? miniature 16mm style ? bushing mounted ? pc terminals, with shaft aprallel or perpendicular to pc board ? 2 bit, 4 bit gray and 4 bit hexidecimal codes available ? 16 detents available ? optional momentary switch t otal rotational angl e 360 rotational t orqu e 36~216 gfcm (0.5~3 in-oz ) contact cts for special requirement s rotational lif e 50,000 cycles min . 15,000 operations for 0.5mm(.020") trave l ? rohs compliant 1 - 4 ? 2 0 0 6 c t s c o r p o r a t i o n . a ll r i g h t s r e s e r v e d . i n f o r m a t i o n s u b j e c t t o c h a n g e . cts electronic components www.ctsco r p . c o m 10/05/06 0.5mm (.020)
4 bit gray code 4 bit hexidecimal truth table 2 bit binary x288 typical 2-bit encoder parallel to p.c. board e f 0 0 0 0 0 0 0 0 b a no. pos. 0 1 1 1 1 0 2 4 3 1 0 0 denotes contact closure to common 1 1 1 0 0 0 0 0 0 1 1 1 1 0 0 1 1 1 0 1 6 8 7 0 1 1 1 0 1 10 12 11 0 9 0 1 1 1 1 1 1 0 1 1 1 0 1 14 16 15 13 0 0 1 1 1 5 0 0 0 f e b 0 1 1 1 0 0 0 1 0 0 0 0 a pos. no. 0 0 0 2 3 4 1 0 denotes contact closure to common 1 1 1 1 1 0 1 1 1 1 0 0 1 0 0 0 1 0 1 0 0 0 0 0 1 1 0 1 1 1 0 0 1 0 1 1 6 7 8 1 1 1 10 11 12 1 9 1 0 0 14 15 16 1 13 1 0 1 0 5 0 0 1 1 1 1 1 0 1 1 0 0 0 1 0 1 46 47 48 15 16 14 12 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 contact closure to 11 10 9 7 6 8 4 3 2 1 no. 5 pos. c b a 0.4 0.8 .492 12.50 .311.005 7.90.13 max. .055 .269.002 .197.002 .394.002 10.000.05 .646 .016 .402.016 .441 .335 8.5 .709 .031 mtg. surface ?1.40 (3) 5.000.05 6.830.05 mtg. surface 10.20.4 "a" "l" 3/8-32unef-2a b c a 18.0 max. 16.4 11.20 b f .145.002 3.680.05 8.100.05 .319.002 c d a e mtg. surface 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 .311.005 "a" 15.10.4 .441 .492 .594.016 a d c f b 16.4 .646 e 12.5 11.2 "a" mtg. surface 0.4 .016 mm inch dimension : mm inch dimension : 2 - 4 ? 2 0 0 6 c t s c o r p o r a t i o n . a ll r i g h t s r e s e r v e d . i n f o r m a t i o n s u b j e c t t o c h a n g e . 10/05/06 cts electronic components www.ctscorp . c o m x2-288 typical 4-bit encoder parallel to p.c. board
.086x.060 2.18x1.52 .402.016 10.20.4 .031 mtg. surface "a"0.4 "l"0.8 3/8-32unef-2a .016 2.920.08 hl's(3) .646 16.4 a c b .115.003 .429 10.9 .311.005 7.90.13 .709 18.0 max. .441 .335 11.2 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) s2 .067 ?1.70 (2) hl's s1 .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 .311.005 10.20.4 .402.016 "l" 6.4 .252 mtg. surface "a" 3/8-32unef-2a .031 18.0 .709 max. .031 0.8 3/8-32unef-2a .311.005 7.90.13 c a 16.4 .646 .020 0.5 travel (reference) 12.26 .483 10.76 .424 "a" .016 0.4 4.87 .192 mtg. surface "l" 12.5 8.5 .492 .335 b a 2.50.05 c b s2 s1 ?1.40 (5)hl's. mtg. surface .121.005 3.070.13 18.0 max. .709 12.5 .492 .311.005 7.90.13 .394.003 .269.005 6.830.13 2.50.05 .197.002 5.000.05 10.000.08 panel piercing .646 0.39.005 1.000.13(5) .157 4.0 16.4 a c .098.002 b .098.002 12.26 10.76 .424 .483 .020 0.4 .016 .031 0.8 "a" "l" (reference) mtg. surface 0.5 travel 3/8-32 unef-2a mm inch mm inch mm inch v288 typical 2-bit perpendicular to p.c. board t288 typical 2-bit encoder with solder lug terminals mc-v288 typical 2-bit encoder with momentary switch perpendicular to p.c. board mc-x288 typical 2-bit encoder with momentary switch parallel to p.c. board dimension : dimension : dimension : max. 8.5 .335 (2) max. 8.5 .335 - 4 ? 2 0 0 6 c t s c o r p o r a t i o n . a ll r i g h t s r e s e r v e d . i n f o r m a t i o n s u b j e c t t o c h a n g e . 10/05/06 cts electronic components www.ctscor p . c o m 3
terminal style t C solder lug x C pc v C pc formed to rear not available in 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 f x 4.5mm (for metric size) .375 x .156" (for inch size) k C 18 teeth (for metric size) 24 teeth (for inch size) s detent 1 C none 2 C 16 detents switch code a C none b C momentary switch encoder code 1 C 2 bit binary 2 C 4 bit gray 3 C 4 bit hexidecimal combination 16-16 com (4 pulses) 24-24 com (6 pulses) 32-32 com (8 pulses) 40-40 com (10 pulses) 48-48 com (12 pulses) ordering information t b 288 24 f 40 2 a 1 all all 6.0mm dia. .250" dia. C sd slot 4 - 4 ? 2 0 0 6 c t s c o r p o r a t i o n . a ll r i g h t s r e s e r v e d . i n f o r m a t i o n s u b j e c t t o c h a n g e . 10/05/06 cts electronic components www.ctscor p . c o m * * * 16-16 com (4 pulses) only * 2 bit models only * * 16-16 com (4 pulses) only * metric bushing equipped with metric shaft.
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