EC11／11mm Size Metal Shaft Type
Output Wave
EC11B / EC11E / EC11G
EC11B, EC11E, EC11G
30 detents, 15 pulse
A signal OFF
B signal
OFF
ON
ON
EC11B 20 detents, 20 pulse
EC11E / EC11J / EC11K
Encoders
Detent stability position cannot be specified
for B signal.
EC11E 18 detents 9 pulse
EC11E 36 detents 18 pulse
EC11J, EC11K
A signal
B signal
OFF
ON
ON
A signal
ON
OFF
OFF
B signal ON
OFF
Detent stability position
CW direction
Detent stability point
CW direction
CW direction Detent stability position
Metal
Shaft
Sliding Noise
V
1
=V
2
=1.5V max.
At R ＝ 5kΩ
Chattering：2ms max.
Bounce
：2ms
max.
V
1
=V
2
=1.5V max.
At R ＝ 5kΩ
Chattering：3ms max.
Bounce
：2ms
max.
V
1
=V
2
=2.5V max.
At R ＝ 5kΩ
Chattering：3ms max.
Bounce
：2ms
max.
Insulated
Shaft
Test circuit
R
Terminal A
R
5V DC
Output waveform
t
5V
t
V
1
V
2
EC11B
Terminal B
EC11E / EC11G
Hollow
Shaft
Encoder
Terminal C
ON
Sliding direction
OFF
ON
EC11J / EC11K
Ring
Type
Measurement condition：Rotation speed 360˚/s
t : Masking time to avoid chattering
Circuit Diagram
EC111/EC11EOB
11mm Size Metal Shaft Type / Attached Parts
The following parts are included with the product.
EC11B Series
Nut
Washer
Unit:mm
ø12
ø7.2
0.5
××
275
ALPS [ ALPS ELECTRIC CO.,LTD. ]
