Features
n RoHS compliant*
n HCMOS, CMOS and TTL compatible
n Compact package size
n High rotational cycle life
n Standard or high force push switch option
n Optional detent
EM14 - 14 mm Rotary Optical Encoder w/Switch
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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 ux
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.
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
EM14A0D-C24 -L03S2
EM14 14 mm Rotary Optical Encoder
Code
A
C
R
Description
3/8 " D x 3/8 " L Threaded
1/4 " D x 1/4 " L Threaded
10 mm D x 9.5 mm L Threaded
BUSHING DESIGNATOR
Code
08
16
32
64
Description
8 PPR
16 PPR
32 PPR
64 PPR
RESOLUTION (Pulses Per Revolution)
Code
0
1
2
3
4
5
6
7
8
Description
No Cable/Connector
6 ” Cable with Female Connector
and stripped/tinned leads
6 ” Cable with Female Connector
on both ends
12 ” Cable with Female Connector
and stripped/tinned leads
12 ” Cable with Female Connector
on both ends
3 ” Cable with Female Connector and
stripped/tinned leads
1.5 ” Cable with Female Connector and
stripped/tinned leads
2 ” Cable with Female Connector and
stripped/tinned leads
5 ” Cable with Female Connector and
stripped/tinned leads
For other cable and connector options, please contact the factory.
CABLE/CONNECTOR OPTION
MODEL NO. DESIGNATOR
Code
A
B
D
Description
A/R Lug
Bracket (No hardware/no cable or
connector)
None
ANTI-ROTATION LUG/BRACKET OPTION
Code
0
1
Description
No Detent
32 Detents (Available for
8 or 32 PPR only)
DETENT OPTION
Code
S
H
N
Description
Push Switch (Standard)
Push Switch (High Force)
No Switch
SWITCH OPTION
Code
L
R
Description
Axial Multi-Purpose Pin
Radial Multi-Purpose Pin
TERMINAL CONFIGURATION
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
SHAFT STYLE (See Outline Drawing for Details)
Code
24
28
20
25
Length (FMS)
3/4 "
7/8 "
20 mm
25 mm
Available w/Bushing
A, C
A, C
R, U
R, U
SHAFT LENGTH DESIGNATOR
EM14 - 14 mm Rotary Optical Encoder w/Switch
Part Numbering System
Additional Features
n Splashproof shaft seal
n Recommended for human/machine interface applications (HMI)
n Cable/connector option
n Optional bracket
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
F
SHAFT
DIA.
BUSHING
DIA.
SHAFT LENGTH
"L"
FLAT LENGTH
"F"
L
9.53
(.375)
0.79
(.031)
4.76
(.187)
6.35
(.250)
9.52
(.375)
19.05
(.750)
7.94
(.313)
22.22
(.875)
9.52
(.375)
3/8-32 UNEF-2A
"A" Style Bushing - Flatted Shafts "R" Style Bushing - Flatted Shafts "C" Style Bushing - Slotted Shafts
"A" Style Bushing - Slotted Shafts "R" Style Bushing - Slotted Shafts
"U" Style Bushing - Slotted Shafts
L
6.35
(.250)
1/4-32 UNEF-2A
M7 x 0.75-6 g
M10 x 0.75-6 g
3/8-32 UNEF-2A
F
L
9.5
(.374) 1.52
(.060)
0.99
(.040)
0.79
(.031)
0.99
(.040)
L
8.0
(.305)
1.52
(.060)
L
9.5
(.374)
1.8
(.071)
L
9.53
(.375)
1.8
(.071)
4.42
(.174) M10 x 0.75-6 g
SHAFT
DIA.
BUSHING
DIA.
SHAFT LENGTH
"L"
FLAT LENGTH
"F"
6.0
(.236)
10.0
(.394)
20.0
(.787)
7.0
(.275)
25.0
(.984)
12.0
(.472)
SHAFT
DIA.
BUSHING
DIA.
SHAFT LENGTH
"L"
3.17
(.125)
6.35
(.250)
19.05
(.750)
22.22
(.875)
SHAFT
DIA.
BUSHING
DIA.
SHAFT LENGTH
"L"
6.35
(.250)
9.52
(.375)
19.05
(.750)
22.22
(.875)
SHAFT
DIA.
BUSHING
DIA.
SHAFT LENGTH
"L"
6.0
(.236)
10.0
(.394)
20.0
(.787)
25.0
(.984)
SHAFT
DIA.
BUSHING
DIA.
SHAFT LENGTH
"L"
4.0
(.158)
7.0
(.275)
20.0
(.787)
25.0
(.984)
DIMENSIONS: MM
(INCHES)
EM14 - 14 mm Rotary Optical Encoder w/Switch
Product Dimensions
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
F
L
14.25
(0.561)
R
ANTI-ROTATION BOSS
(OPTIONAL)
HIGHX
1.19
(.047)
.79
(.031)
3.18
(.125) TYP.
"L" PIN STYLE
TYP.
"L" PIN STYLE
TYP.
"R" PIN STYLE
10.03
(.395)
MOUNTING
SURFACE
9.53
(.375)
1.52
(.060)
1.75
(.069)
DIA.
0.457 ± 0.026
(.018 ± .001)
TYP.
"R" PIN STYLE
2.08
(.082)
14.76
(.581)
8.00
(.315)
4.76
(.187)
METAL BUSHING
(SEE TABLE FOR OPTIONS)
METAL SHAFT
(SEE TABLE FOR OPTIONS)
Shaft / Flat Length Dimensions
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
3312 - 2 mm SMD Trimming Potentiometer
14.99 ± .13
(.590 ± .005)
17.17
(.676)REF.
14.61
(.575)
1.73 ± .10
(.068 ± .004)
2 PLCS.
5 PLCS.
Radial (shown with optional mounting bracket)
Axial (shown with optional mounting bracket)
Recommended PCB Layout
DIA.
DIA.
1.27 ± .13
(.050 ± .005)
6 PLCS. .64
(.025)
1.5
(.059) WIDE
0.381
(.015) THICKX
GROUND CHANNEL “B”
CHANNEL “B”
CLOCKWISE
PUSH ON
MOMENTARY SWITCH
(OPTIONAL)
12
MOMENTARY
SWITCH
CHANNEL “A”
CHANNEL “A”
POWER
GROUND CHANNEL “B”
MOMENTARY
SWITCH
CHANNEL “A” POWER
1.60
(.063)
REF.
PCB
THICKNESS REF.
1.24
(.049)
2.62 ± .38
(.103 ± .015)
7.87 ± .08
(.310 ± .003)
15.16 ± .25
(.597 ± .010)
14.76 ± .25
(.581 ± .010)
7.87
(.310)
1.73 ± .10
(.068 ± .004)
2 PLCS.
5 PLCS.
Recommended PCB Layout
DIA.
DIA.
1.27 ± .13
(.050 ± .005)
6 PLCS.
.64
(.025)
6.25 ± .08
(.246 ± .003)
14.99 ± .25
(.590 ± .010)
17.17
(.676)
10.57
(.416)
1.60
(.063)
REF.
PCB THICKNESS
1.22
(.048)
2.49 ± .38
(.098 ± .015)
6.25
(.246)
REF.
EM14 - 14 mm Rotary Optical Encoder w/Switch
Cable/Connector Options
DIMENSIONS: MM
(INCHES)
HDW.
NO.
Cable Assembly, Connector on One End
Cable Assembly, Connector on Both Ends
DESCRIPTION “A” DIM.
A
6.0 ± 0.2
(.236 ± .008)
REF.
8.75 ± 0.2
(.344 ± .008)
6.0
(.236)
1.0
(.039)
1.25
(.049)
1.25
(.049)
.457
(.018)
2.9
(.114)
3.5 ± 0.2
(.138 ± .008)
STRIPPED AND TINNED
100 % MATTE TIN
RIBBON CABLE
6x28 AWG x PITCH
PIN 1 -
RED STRIPE
CONNECTOR
RECEPTACLE
DIA. PINSFOR
PITCH
x
x
6.0
(.236)
1.0
(.039)
1.25
(.049)
.457
(.018)
2 x CONNECTOR
RECEPTACLE
DIA. PINSFOR
PITCH
x
x
123456 654321
123456
2.54 ± 0.4
(.100 ± .016)
A
8.0
(.315)
1.25
(.049)
RIBBON CABLE
6x28 AWG x PITCH
PIN 1 - RED STRIPE
H-290-4 CABLE ASSEMBLY,
CONNECTOR ON ONE END
304.8 ± 5.0
(12.0 ± .197)
152.4 ± 5.0
(6.0 ± .197)
H-290-2 CABLE ASSEMBLY,
CONNECTOR ON ONE END
H-290-1 CABLE ASSEMBLY,
CONNECTOR ON BOTH ENDS
304.8 ± 5.0
(12.0 ± .197)
152.4 ± 5.0
(6.0 ± .197)
H-290-3 CABLE ASSEMBLY,
CONNECTOR ON BOTH ENDS
H-290-8 RIBBON CABLE, 28 AWG,
CONNECTOR ON ONE END
50.8 ± 5.0
(2.0 ± .197)
127 ± 5.0
(5.0 ± .197)
H-290-7 RIBBON CABLE, 28 AWG,
CONNECTOR ON ONE END
H-290-6 RIBBON CABLE, 28 AWG,
CONNECTOR ON ONE END
76.2 ± 5.0
(3.0 ± .197)
38.1 ± 5.0
(1.5 ± .197)
H-290-5 RIBBON CABLE, 28 AWG,
CONNECTOR ON ONE END
HDW.
NO.
Cable Assembly, Connector on One End
Cable Assembly, Connector on Both Ends
DESCRIPTION “A” DIM.
A
6.0 ± 0.2
(.236 ± .008)
REF.
8.75 ± 0.2
(.344 ± .008)
6.0
(.236)
1.0
(.039)
1.25
(.049)
1.25
(.049)
.457
(.018)
2.9
(.114)
3.5 ± 0.2
(.138 ± .008)
STRIPPED AND TINNED
100 % MATTE TIN
RIBBON CABLE
6x28 AWG x PITCH
PIN 1 -
RED STRIPE
CONNECTOR
RECEPTACLE
DIA. PINSFOR
PITCH
x
x
6.0
(.236)
1.0
(.039)
1.25
(.049)
.457
(.018)
2 x CONNECTOR
RECEPTACLE
DIA. PINSFOR
PITCH
x
x
123456 654321
123456
2.54 ± 0.4
(.100 ± .016)
A
8.0
(.315)
1.25
(.049)
RIBBON CABLE
6x28 AWG x PITCH
PIN 1 - RED STRIPE
H-290-4 CABLE ASSEMBLY,
CONNECTOR ON ONE END
304.8 ± 5.0
(12.0 ± .197)
152.4 ± 5.0
(6.0 ± .197)
H-290-2 CABLE ASSEMBLY,
CONNECTOR ON ONE END
H-290-1 CABLE ASSEMBLY,
CONNECTOR ON BOTH ENDS
304.8 ± 5.0
(12.0 ± .197)
152.4 ± 5.0
(6.0 ± .197)
H-290-3 CABLE ASSEMBLY,
CONNECTOR ON BOTH ENDS
H-290-8 RIBBON CABLE, 28 AWG,
CONNECTOR ON ONE END
50.8 ± 5.0
(2.0 ± .197)
127 ± 5.0
(5.0 ± .197)
H-290-7 RIBBON CABLE, 28 AWG,
CONNECTOR ON ONE END
H-290-6 RIBBON CABLE, 28 AWG,
CONNECTOR ON ONE END
76.2 ± 5.0
(3.0 ± .197)
38.1 ± 5.0
(1.5 ± .197)
H-290-5 RIBBON CABLE, 28 AWG,
CONNECTOR ON ONE END
Terminal Congurations
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
3312 - 2 mm SMD Trimming Potentiometer
EM14 - 14 mm Rotary Optical Encoder w/Switch
Electrical Block Diagram
REV. 10/16
Opto
ASIC
Ground
IRED
10k
10k
Channel A
Switch Terminal
Switch Terminal
Power
Channel B
–
A
1
2
+
B
Quadrature Output
CHANNEL A
CW
CHANNEL B
CHANNEL A Low
Low
Detent Range
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.
Nominal Detent
Position
High
High
CHANNEL B
CW
32 DETENT / 8 PPR
32 DETENT / 32 PPR
CHANNEL A
90 °e ± 45 °e
CHANNEL B
High
Low
High
Low
CW
180 °e
1 pulse width
Terminal Diagram
A12+B
GROUND
MOMENTARY SWITCH
POWER
CHANNEL "A"
CHANNEL "B"
1.27
(.050)
TYP.
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