PL
IA
N
Features
■
RoHS compliant*
■
HCMOS, CMOS and TTL compatible
■
Compact package size
■
High rotational cycle life
■
Standard or high force push switch option
■
Optional detent
*R
oH
S
CO
M
T
EM14 - 14 mm Rotary Optical Encoder w/Switch
Electrical Characteristics
Electrical Output ....................................................................................................................................................................................... 2-bit quadrature code
Resolution .......................................................................................................................................................................... 8 to 64 pulses per revolution (PPR)
Supply Voltage (VCC) ............................................................................................................................................................................... 5.0 VDC ± 0.25 VDC
Supply Current (ICC)........................................................................................................................................................................................26 mA maximum
Output Voltage
Low (VCE(sat)), per Channel .................................................................................................................................... 800 mV maximum at I(SINK) = 25 mA
High (VO(HI)), per Channel..................................................................................................................................... 4.0 VDC minimum @ VCC = 4.75 VDC
Output Current I(SINK), per Channel...............................................................................................................................................................25 mA maximum
Rise/Fall Time........................................................................................................................................................................................................200 ns typical
Power Dissipation..........................................................................................................................................................................................167 mW maximum
Pulse Width (per Channel) ....................................................................................................................................................................................180 °e typical
Phase Angle (Channel A Leads Channel B, Clockwise Rotation)..........................................................................................................................90 °e ± 45 °e
Insulation Resistance @ 500 VDC....................................................................................................................................................1,000 megohms minimum
Operating RPM ....................................................................................................................................................................................................120 maximum
Switch Power Rating ..............................................................................................................................................12 VDC / 20 mA (600 ohms minimum load)
Switch Contact Resistance ........................................................................................................................................................................200 ohms maximum
Environmental Characteristics
Operating Temperature Range @ 5.0 VDC ......................................................................................................................-40 °C to +70 °C (-40 °F to +158 °F)
Storage Temperature Range........................................................................................................................................... -55 ºC to +125 ºC (-67 °F to +257 °F)
Vibration ..............................................................................................................................................................................................................................15 G
Shock ..................................................................................................................................................................................................................................50 G
Humidity ......................................................................................................................................................................MIL-STD-202, Method 103, Condition B
Flammability ............................................................................................................................................................................................ Conforms to UL 94HB
IP Rating...........................................................................................................................................................................................................................IP 54**
Mechanical Characteristics
Mechanical Angle ............................................................................................................................................................................................360 ° Continuous
Torque
Starting/Running................................................................................................................................................................1.06 N-cm (1.5 oz.-in.) maximum
Detent........................................................................................................................................................................................1.2 N-cm (1.7 oz.-in.) typical
Rotational Life
Non-detent (@ 30 RPM) .......................................................................................................................................1,000,000 cycles (2,000,000 revolutions)
With detent (@ 30 RPM).............................................................................................................................................100,000 cycles (200,000 revolutions)
Switch Life ...........................................................................................................................................................................................................100,000 cycles
Switch Actuation Force
Standard.........................................................................................................................................................................................250 gm (8.82 oz.) typical
High Force....................................................................................................................................................................................850 gm (29.98 oz.) typical
Switch Travel
Standard..........................................................................................................................................................................................................0.04 in. typical
High Force.....................................................................................................................................................................................................0.025 in. typical
Shaft Radial Play..........................................................................................................................................................................................0.005 in. maximum
Shaft Axial Structural Strength ......................................................................................................................................................................... 35 lbs. minimum
Mounting Torque...........................................................................................................................................................................2.0 N-m (18 lb.-in.) maximum
Materials and Finishes
Terminals ........................................................................................................................................................................................................Sn plated PC pins
Soldering Condition
Manual Soldering .................................................................................................................... 96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire
370 °C (700 °F) max. for 3 seconds
Wave Soldering ............................................................................................................................................. 96.5Sn/3.0Ag/0.5Cu solder with no-clean flux
260 °C (500 °F) max. for 5 seconds
Wash processes.......................................................................................................................................................................................Not recommended
Mounting Hardware
Nut..............................................................................................................................Black annodized brass, hex (metric)/Nickel-plated brass, hex (SAE)
Lockwasher ............................................................................................................................................................ Nickel-plated spring steel, internal tooth
Marking....................................................................................................Manufacturer’s symbol, model number, product code, terminal style and date code
Standard Packaging......................................................................................................................................................... Anti-static plastic tube (25 pcs./tube)
**When device is mounted by normal mounting means.
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
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.
Additional Features
■
Splashproof shaft seal
■
Recommended for human/machine interface applications (HMI)
■
Cable/connector option
■
Optional bracket
EM14 - 14 mm Rotary Optical Encoder w/Switch
Part Numbering System
E M 1 4 A 0 D - C 2 4
-
L 0 3 2 S
MODEL NO. DESIGNATOR
EM14 14 mm Rotary Optical Encoder
BUSHING DESIGNATOR
Code Description
3/8 ˝ D x 3/8 ˝ L Threaded
A
1/4 ˝ D x 1/4 ˝ L Threaded
C
10 mm D x 9.5 mm L Threaded
R
DETENT OPTION
Code Description
0
No Detent
1
32 Detents (Available for
8 or 32 PPR only)
ANTI-ROTATION LUG/BRACKET OPTION
Code Description
A
A/R Lug
B
Bracket (No hardware/no cable or
connector)
D
None
SHAFT STYLE (See Outline Drawing for Details)
Code
B
C
E
R
M
Description
1/4 ˝ Dia. Slotted End
1/4 ˝ Dia. Flatted End
1/8 ˝ Dia. Slotted End
6 mm Dia. Slotted End
6 mm Dia. Flatted End
Available w/
Bushing
A
A
C
R
R
Code
S
H
N
SWITCH OPTION
Description
Push Switch (Standard)
Push Switch (High Force)
No Switch
RESOLUTION (Pulses Per Revolution)
Code Description
8 PPR
08
16 PPR
16
32 PPR
32
64 PPR
64
CABLE/CONNECTOR OPTION
Code Description
No Cable/Connector
0
6 ˝ Cable with Female Connector
1
and stripped/tinned leads
6 ˝ Cable with Female Connector
2
on both ends
12 ˝ Cable with Female Connector
3
and stripped/tinned leads
12 ˝ Cable with Female Connector
4
on both ends
3 ˝ Cable with Female Connector and
5
stripped/tinned leads
1.5 ˝ Cable with Female Connector and
6
stripped/tinned leads
2 ˝ Cable with Female Connector and
7
stripped/tinned leads
5 ˝ Cable with Female Connector and
8
stripped/tinned leads
For other cable and connector options, please contact the factory.
TERMINAL CONFIGURATION
Code Description
L
Axial Multi-Purpose Pin
R
Radial Multi-Purpose Pin
SHAFT LENGTH DESIGNATOR
Code Length (FMS)
Available w/Bushing
24
3/4 ˝
A, C
28
7/8 ˝
A, C
20
20 mm
R, U
25
25 mm
R, U
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.
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