Design and specifi cations are each subject to change without notice. Ask factory for the current technical specifi cations before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Encoders/EVEG/H/K/L
– EV49 –
1
E
2
V
3
E
4 5 6 7 8 9 10 11 12
Product Code Output (Pulses)Specifications Combination of Shaft
Specifi cations
12 mm Square GS Encoders
Type: EVEG/EVEH/EVEK/EVEL
Features
Lineup of high rotation-torque-type (50 mN·m)
A wide range of standard products
Explanation of Part Numbers
Recommended Applications
Volume for audio/visual equipment
Tuner for communication units
Mode selection for measurement instruments
Torque type Combination of
Bushing
Thick ness
Height Detents (Resolution/Pulses)
15.0 mm 17.5 mm 20.0 mm 22.5 mm 25.0 mm 30.0 mm
12 points
(12 pulses)
24 points
(24 pulses)
Without detents
(12 pulses, 24 pulses)
Heavy-rotation
torque
(10 mN·m to 50 mN·m)
Die-cast
(7.0,12.0 mm) 5.5 mm 쑗쑗
Sleeve
(7.0,12.0 mm) 5.5 mm 쑗쑗
Standard type
(3 mN·m to 20 mN·m)
Barling
(5.0 mm) 5.0 mm 쑗쑗쑗쑗
Barling
(1.6 mm) 5.0 mm 쑗쑗
Die-cast
(7.0 mm) 5.5 mm 쑗쑗쑗
Sleeve
(7.0 mm) 5.5 mm 쑗쑗쑗
Product Chart
Mechanical
Rotation Angle 360 ° (Endless)
Shaft Pull/Push Strength 80 N min.
Shaft Wobble 0.7҂
L/30 mm max.
Rotation Torque
Standard Type
3 mN·m to 20 mN·m
Heavy Rotation Torque
10 mN·m to 50 mN·m
Detents 12 points, 20 points, 24 points, without detents
(Heavy rotation-torque without detents)
Electrical
Output Signals Phase A and B
Resolution 12, 20, 24 pulses/360 °
Rating 1 mA 5 Vdc, 1 mA 10 Vdc
Contact Resistance 1 max.
Chattering 2 ms max.
Insulation Resistance 10 M min. (at 50 Vdc)
Dielectric Withstanding Voltage 50 Vac for 1 minute
Bouncing 5 ms max.
Endurance
Operating Life
Standard Type
30000 cycles min.
Heavy Rotation Torque
15000 cycles min.
Operating Temperature 10 °C to +60 °C
Storage Temperature 40 °C to +85 °C
Minimum Quantity/Packing Unit
L<25.0 mm
100 pcs. Polyethylene Bag(Bulk)
L>26.0 mm
200 pcs. Polyethylene Bag(Bulk)
Quantity/Carton
L<25.0 mm
1000 pcs.
L>26.0 mm
2000 pcs.
Oct. 201200
Design and specifi cations are each subject to change without notice. Ask factory for the current technical specifi cations before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Encoders/EVEG/H/K/L
– EV50 –
14.0
3.5
12.4
12.4
L1
5.5 L2
2.0±0.1
7.5
–0.2
0
8.0
–0.2
0
8
-0.2
0
φ 9.0
0
+0.1
3-φ1.0
7.5
5.0
13.2
0
+0.1
2-2.1
0
+0.1
2-2.0
Mounting surface
PWB mounting hole for reference
(pitch tolerance : ±0.1)
View from mountin
g
side
Center of shaft
PWB thickness : t=1.6
14.0
7.7
12.4
12.4
5.5
2.0±0.1
M9 P=0.75
1.0
7.5
0
+0.1
3-φ1.0
7.5
5.0
13.2
0
+0.1
2-2.1
0
+0.1
2-2
Mounting surface
PWB mounting hole for reference
(pitch tolerance : ±0.1)
View from mountin
g
side
Center of shaft
PWB thickness : t=1.6
3.5
L1
L2
14.0
3.5
12.4
12.4
5.0
0.7
2.0±0.1
7.5
–0.1
+0.2
φ6.8
B
COM
A
0
+0.1
3-φ1.0
7.5
5.0
13.2
0
+0.1
2.12-
0
+0.1
2-2
Mounting surface
PWB mounting hole for reference
(pitch tolerance : ±0.1)
View from mountin
g
side
Center of shaft
PWB thickness : t=1.6
L1
L2
Dimensions in mm (not to scale)
High rotation-torque / Bushing Type with Sleeve ....................................................................... Without detents : EVEKE2
With detents : EVEGA1
Standard rotation-torque / Bushing Type with Barling ............................................................... Without detents : EVEGA2
With detents : EVEGC1
Standard rotation-torque / Bushing Type with Die-cast.............................................................Without detents : EVEGC2
No. 3
No. 2
No. 1
Oct. 201200
Design and specifi cations are each subject to change without notice. Ask factory for the current technical specifi cations before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Encoders/EVEG/H/K/L
– EV51 –
5Vdc
AB
COM
0.01 µF
10 k
0.01 µF
10 k
10 k
10 k
Signal A Signal B
Encoder
OFF
ON
OFF
ON
Signal A
Signal B
T1 T2 T3 T4
CW
Detent steady point
Phase difference T1,T2,T3,T4
(At rotational speed 60 r/min.)
Initial..............3.5 m sec. min.
After life........ 2.5 m sec. min.
L1
L3
-0.1
0
6.0φ
-0.1
0
4.5
Corner Cut
L2
Test Circuit Diagram Phase Difference
Bushing Type Dimensions
L1L2L3Corner Cut
Barling
15.0 mm 1.6 mm 7.0 mm 1.5 mm
17.5 mm 5.0 mm 5.0 mm 1.5 mm
20.0 mm 5.0 mm 7.0 mm 1.5 mm
22.5 mm 5.0 mm 7.0 mm 1.5 mm
25.0 mm 5.0 mm 12.0 mm 1.5 mm
Sleeve
20.0 mm 7.0 mm 7.0 mm 1.5 mm
22.5 mm 7.0 mm 7.0 mm 1.5 mm
25.0 mm 7.0 mm 12.0 mm 1.5 mm
30.0 mm 7. 0 m m
12.0 mm
1.5 mm
Die-cast
20.0 mm 7.0 mm 7.0 mm 1.5 mm
22.5 mm 7.0 mm 7.0 mm 1.5 mm
25.0 mm 7.0 mm 12.0 mm 1.5 mm
30.0 mm 12.0 mm
12.0 mm
1.5 mm
Shaft Trims and Dimensions in mm
High-rotation torque
Oct. 201200