11mm and 20mm Size Metal Shaft Encoders
Product Specifications
Output Wave
EC11B
EC11E/EC11G/EC11J/EC11K
EC111/EC11E
Detector
Push
EC11B, EC11E, EC11G
30 detents, 15 pulse
CCW
CW
0˚
OFF ON
OFF ON
A signal
B signal
Slide
Detent stabillity point
B
A
Rotary
Encoders
Power
C
CW direction
EC11EH
EC20A
OFF
ON
A signal
B signal
C signal
Dual-in-line
（
）
）
）
）
Package Type
OFF
ON
（
（
（
TACT SwitchTM
OFF
ON
Custom-
Products
Detentposition
CW direction
Sliding Noise
EC11B
EC11E/EC11G/EC11J/EC11K
EC111/EC11E
V1
＝V ＝1.5V max.
2
Test circuit
Terminal A
Output waveform
5V DC
t
t
Incremental
Type
R
R
V1
V2
Terminal B
Absolute
Type
Encoder
ON OFF ON
Sliding direction
Terminal C
M easurem entcondition：Rotation speed 360˚/s
t : Masking time to avoid chattering
At R ＝5kΩ
At R ＝5kΩ
Chattering : 2ms max.
Chattering : 3ms max.
Bounce
: 2ms max.
Bounce
: 2ms max.
EC11EH
EC20A
Test circuit
5V DC
V1＝V
2
＝1.5V max.
Test circuit
Output waveform
R
R
R
5V DC
Term inalA
Term inalB
t
t
Term inalC
R
R
V1
V2
Terminal A
Terminal B
ABC switch
Encoder
ON OFF ON
Sliding direction
Term inalD
Terminal C
M easurem entcondition：Rotation speed 360˚/s
t : Masking time to avoid chattering
Test conditionꢀRotation speed 360°/s
At R = 5kΩ
At R = 5kΩ
Chattering: 5ms max.
Chattering: 8ms max.
Bounce : 5ms max.
Bounce : 5ms max.
Attached Parts
EC11B Series
Unit:mm
Hexagonal nut
Flat washer
×
191
ALPS [ ALPS ELECTRIC CO.,LTD. ]
