EM14 - 14 mm Rotary Optical Encoder w/Switch
Electrical Block Diagram
Quadrature Output
CW
–
A
1
Ground
90 °e ꢀ4 °e
High
CHANNEL A
Low
Channel A
High
CHANNEL B
Low
IRED
10k
180 °e
1 pulse width
Switch Terminal
Opto
ASIC
32 DETENT / 8 PPR
10k
CW
2
+
B
Switch Terminal
Power
CHANNEL A
CHANNEL B
Channel B
32 DETENT / 32 PPR
CW
Terminal Diagram
High
Low
High
Low
CHANNEL A
CHANNEL B
CHANNEL "A"
GROUND
Nominal Detent
Position
Detent Range
CHANNEL "B"
A 1 2 + B
1. Nominal detent position occurs when both Channel A and B are in
low states.
2. Channel A leads Channel B in CW direction and lags in CCW
direction.
1.27
(.040)
POWER
MOMENTARY SWITCH
TYP.
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
REV. 09/19
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.