EM14A0D-B28-L032S Bourns Inc., EM14A0D-B28-L032S Datasheet - Page 5

• Manufacturer Part Number: EM14A0D-B28-L032S
• Description: ROTARY OPTICAL ENCODER - 14MM
• Manufacturer: Bourns Inc.
• Series: EM14r
• Type: Optical Encoderr

Specifications of EM14A0D-B28-L032S

• Encoder Type: Optical
• Output Type: Quadrature (Incremental)
• Pulses Per Revolution: 32
• Voltage - Supply: 5VDC
• Actuator Type: 1/4" Dia Slotted End
• Detent: No
• Built In Switch: Yes
• Mounting Type: Panel, PCB Through Hole
• Orientation: Vertical
• Termination Style: PC Pin
• Rotational Life (cycles Min): 1M
• Detents: No
• Motion: Rotary
• Number Of Channels: 2
• Mounting Style: Through Hole
• Index Output: Not Indexed
• Encoder Signal: Digital Square Wave
• Shaft Style: Slot
• Shaft Diameter (mm): 6.35mm
• Operating Supply Voltage (typ): 5VDC
• Operating Temperature Min Deg. C: -40C
• Operating Temperature Max Deg. C: 70C
• Terminal Type: PC Pins
• Mechanical Life: 2000000
• Output: 2 bit Quadrature Code
• Shaft Type: Slotted
• With Switch: With
• Operating Temperature Range: - 40 C to + 70 C
• Product: Optical
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REV. 11/30/10
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Electrical Block Diagram
Terminal Diagram
IRED
10k
10k
3312 - 2 mm SMD Trimming Potentiometer
EM14 - 14 mm Rotary Optical Encoder w/Switch
CHANNEL "A"
GROUND
TYP.
(.050)
1.27
Opto
ASIC
Asia-Pacifi c: Tel: [phone] • Fax: [phone]
Europe: Tel: [phone] • Fax: [phone]
The Americas: Tel: [phone] • Fax: [phone]
www.bourns.com
A 1 2 + B
MOMENTARY SWITCH
POWER
CHANNEL "B"
–
A
+
B
1
2
Ground
Channel A
Switch Terminal
Switch Terminal
Power
Channel B
CHANNEL A
CHANNEL B
CHANNEL A
CHANNEL B
1. Nominal detent position occurs when both Channel A and B are in
2. Channel A leads Channel B in CW direction and lags in CCW
Quadrature Output
low states.
direction.
CHANNEL A
CHANNEL B
Detent Range
High
High
32 DETENT / 32 PPR
Low
Low
32 DETENT / 8 PPR
CW
CW
CW
90 °e ± 45 °e
180 °e
1 pulse width
Nominal Detent
Position
High
Low
High
Low