CTS 290

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 [email protected] 10 mA maximum.
5 [email protected] 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