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 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 Contact Bounce / Chatter (FIG.3) t 1, t 2, t 3 3 milli seconds max. at 60 rpm CW/CCW Detent Points 20 detents available Rotational Life 50,000cycles Resolution 20 pulses in 360° Insulation Resistance 100 megohms between all terminals & bushing at 250 VDC Temperature Ratings Operation : - 30°C to +70°C
Solderability Flux for 5-10 sec.,then dip into a Solder bath at 260±5°C for 3sec. 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.
Momentary SPST Switch Ratings :
Switch Contact Resistance 100 mΩ maximum initial,200mΩ after life cycles Switch Rating 16 VDC @0.5A max. @10mA min. Switch Bounce 5 milliseconds maximum 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")
1-2 CTS Electronic Components
© 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
5.5 .216 6.3 .248 7.0 .276 7.5 .295 +0.1 Ø1.0 -0.0 (5) +.004 .039 -.000 B A +.004 .071 -.000 +0.1 1.8 -0.0 10.1 .398 11.4 .449 0.8 ±0.1 (5) .031 ±.004 CENT. 5.00 .197 C .102 +.004 -.000 φ6.00 .236 +0.1 2.6 -0.0 3.5 .138 2.5 ±0.1 .098±.004 7.0 .276 7.5 .295 S1 MOUNTING SURFACE
S2
CENT. 5.00 .197
B
11.4 .449
9.8 .386
.197
11.10
5.0
S1
10.6 .417 SWITCH STROKE +0.4 0.5 -0.3 +.016 .020 -.012
A
.437
C
MOUNTING HOLE DETAIL VIEWED FROM MOUNTING SIDE
+0.5 "L"± -.020
"M" "LB"
3.5 .138
6.2 .244
S2
DIMENSION:
mm INCH
OUTPUT SIGNAL (FIG.1)
OFF SINGNAL A ON OFF SINGNAL B ON T1 T2 T3 T4
TYPICAL CIRCUIT (FIG.2)
5V
5K TERMINAL A 5K TERMINAL B
OFF 3.5V
BOUNCE / CHATTER (FIG.3)
ENCODER
1.5V ON t2 t1
PHASE DIFFERENCE 4mSEC MIN
TERMINAL C
t3
Ordering Information
290
V
A
A5
SHAFT LENGTH : "L" A5 - 15mm( .591") B0 - 20mm( .787") B5 - 25mm( .984") C0 - 30mm(1.181") ALL 6mm( .236") DIAMETER
F
20
PULSE
1
B
2
DETENT 1 - NONE 2 - 20 DETENTS
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
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 SWITCH CODE A - NONE B - MOMENTARY
2-2 CTS Electronic Components
© 2006 CTS Corporation. All rights reserved. Information subject to change.
9/30/06
www.ctscorp.com
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