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
+0.1
2.6 -0.0
.102 +.004
-.000
φ6.00
.236
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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