EC11J0920801 ALPS, EC11J0920801 Datasheet - Page 8

• Manufacturer Part Number: EC11J0920801
• Description: ENCODER, ROTARY, 9PPR
• Manufacturer: ALPS

Specifications of EC11J0920801

• No. Of Input Channels: 2
• Encoder Resolution: 9
• External Depth: 14.2mm
• External Length / Height: 4.5mm
• External Width: 11.7mm
• Insulation Resistance: 100Mohm
• No. Of Detents: 18
• Operating Temperature Max: 85°C
• No. Of Channels: 2
• Rohs Compliant: Yes
• No. Of Pulses Per Revolution: 9
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

V
Product Specifications
EC11B, EC11E, EC11G
30 detents, 15 pulse
A signal
B signal
At R ＝ 5kΩ
1
Output Wave
Sliding Noise
＝V
Chattering : 2ms max.
Bounce
CW direction
2
＝1.5V max.
OFF
Detent stabillity point
Measurement condition：Rotation speed 360˚/s
OFF
EC11B
EC11B
R
ON
ON
Test circuit
: 2ms max.
Terminal A
The stable detent position cannot be identified in phase B.
EC11E 18 detents 9 pulse
EC11E 36 detents 18 pulse
EC11J
B signal
R
A signal
CW direction
Encoder
Terminal B
5V DC
Terminal C
OFF
At R ＝ 5kΩ
EC11E/EC11G/EC11J
OFF
Detent stabillity point
Chattering : 3ms max.
Bounce
EC11E/EC11G/EC11J
ON
t : Masking time to avoid chattering
ON
ON
Output waveform
Sliding direction
t
OFF
: 2ms max.
t
ON
V
V
1
2
CCW
B
EC111
EC111
C
0 ˚
CW
A
V
Measurement condition：Rotation speed 360˚/s
1
Counter-clockwise
＝V
Shaft rotational
R
Clockwise
Direction
2
At R = 5kΩ
＝1.5V max.
Test circuit
Terminal A
Chattering
Bounce
11mm and 20mm Size Metal Shaft Encoders
R
A
B
A
B
（
（
（
（
Encoder
Terminal B
Terminal C
5V DC
Terminal AÐC
Terminal BÐC
Terminal AÐC
Terminal BÐC
Signal
EC20A
EC20A
: 8ms max.
: 5ms max.
）
）
）
）
t : Masking time to avoid chattering
OFF
ON
OFF
ON
OFF
ON
OFF
ON
The dotted lines indicate
detent positions
Output waveform
ON
Sliding direction
t
OFF
Output
t
ON
V
V
1
2
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
Multi Control
Devices
TACT Switch
Custom-
Products
Incremental
Type
Absolute
Type
195
TM