Series 290 Encoder ® Commercial Miniature 9mm Encoders Features • Miniature 9 mm style • 2 bit quad rature (Graycode) • Optional momentary switch • Continuous rotation • Durable metal shaft • Available with 20 detents • RoHS compliant Electrical and Mechanical Specifications Encoder Ratings : Contact Resistance 1Ω maximum Pull and Thrust on Shaft Withstand a pushing and pulling force of 10kg-f static load applied in axial direction for 10±1 sec. without physical damage or electrical degradation. Voltage Rating (each channel) 12 VDC@ 10 mA maximum. 5 VDC@ 1 mA minimum. Phase Difference (FIG.1) T 1,T 2,T 3,T 4 5 milliseconds min. at 60 rpm CW/CCW Momentary SPST Switch Ratings : Contact Bounce / Chatter (FIG.3) t 1,t 2,t 3 3 milli seconds max. at 60 rpm CW/CCW Switch Contact Resistance 100 mΩ maximum initial,200mΩ after life cycles Switch Rating 16 VDC @0.5A max. @10mA min. Detent Points 20 detents available Rotational Life 50,000cycles Switch Bounce 5 milliseconds maximum Resolution 20 pulses in 360° Insulation Resistance 100 megohms between all terminals & bushing at 250 VDC Temperature Ratings Operation : - 30°C to +70°C 1-2 CTS Electronic Components Solderability Flux for 5-10 sec.,then dip into a Solder bath at 260±5°C for 3sec. Switch Operating Force 600±300 grams(21±11oz) for 0.5mm(.020") travel Switch Life 100,000 operations for 0.5mm(.020") travel Switch Travel 0.5mm(.020") © 2006 CTS Corporation. All rights reserved. Information subject to change. 9/30/06 www.ctscorp.com TYPE MC-V290 Typical 2-Bit Encoder With Momentary Switch, Perpendicular to PC Board 5.00 .197 B C A +.004 .071 -.000 +0.1 1.8 -0.0 CENT. S1 .102 +.004 -.000 SWITCH STROKE +0.1 Ø1.0 -0.0 (5) +.004 .039 -.000 S2 CENT. 5.00 .197 .437 11.10 .197 B C A 5.0 9.8 .386 11.4 .449 S1 +0.1 2.6 -0.0 10.6 .417 +0.4 0.5 -0.3 +.016 .020 -.012 φ6.00 .236 MOUNTING SURFACE +0.5 "L"± -.020 MOUNTING HOLE DETAIL VIEWED FROM MOUNTING SIDE 3.5 .138 3.5 .138 6.2 .244 "LB" "M" 2.5 ±0.1 .098±.004 7.0 .276 7.5 .295 3.5V 5K 5K mm INCH BOUNCE / CHATTER (FIG.3) OFF 5V TERMINAL B TERMINAL A T1 T2 T3 T4 DIMENSION: 11.4 .449 TYPICAL CIRCUIT (FIG.2) OFF SINGNAL A ON 0.8 ±0.1 (5) .031 ±.004 10.1 .398 OUTPUT SIGNAL (FIG.1) OFF SINGNAL B ON 7.5 .295 7.0 .276 6.3 .248 S2 5.5 .216 1.5V ENCODER PHASE DIFFERENCE 4mSEC MIN ON TERMINAL C t2 t3 t1 Ordering Information 290 V TERMINAL STYLE V - PC FORMED TO REAR BUSHING LENGTH "LB" "M" A - 5.0mm(.197") Ø7.0mm(.276") B - 5.0mm(.197") M7 x .75P A A5 F 20 B A5 - 15mm( .591") B0 - 20mm( .787") B5 - 25mm( .984") C0 - 30mm(1.181") ALL 6mm( .236") DIAMETER 2 DETENT PULSE SHAFT LENGTH : "L" 1 - NONE 2 - 20 DETENTS 20 - 20 (Gray code only) ENCODER CODE 1 - 2 BIT GRAY SHAFT TRIM R - ROUND F - F x 4.5mm (.177") K - KNURL(18 TEETH) S - SD SLOT TYPE 2-2 CTS Electronic Components 1 SWITCH CODE A - NONE B - MOMENTARY © 2006 CTS Corporation. All rights reserved. Information subject to change. 9/30/06 www.ctscorp.com