em14

T
PL
IA
N
M
CO
*R
oH
S
Features
■ RoHS compliant*
■ HCMOS, CMOS and TTL compatible
■ Compact package size
■ High rotational cycle life
■ Standard or high force push switch option
■ Optional detent
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.
*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.
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
Code
A
C
R
Code
S
H
N
BUSHING DESIGNATOR
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
RESOLUTION (Pulses Per Revolution)
Code Description
08
8 PPR
16
16 PPR
32
32 PPR
64
64 PPR
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
Code
24
28
20
25
SWITCH OPTION
Description
Push Switch (Standard)
Push Switch (High Force)
No Switch
Available w/
Bushing
A
A
C
R
R
SHAFT LENGTH DESIGNATOR
Length (FMS)
Available w/Bushing
3/4 "
A, C
7/8 "
A, C
20 mm
R, U
25 mm
R, U
CABLE/CONNECTOR OPTION
Code Description
No Cable/Connector
0
1
6 ” Cable with Female Connector
(0.050 ”/1.27 mm pitch centers in-line)
and stripped/tinned leads
6 ” Cable with Female Connector
2
(0.050 ”/1.27 mm pitch centers in-line)
on both ends
12 ” Cable with Female Connector
3
(0.050 ”/1.27 mm pitch centers in-line)
and stripped/tinned leads
4
12 ” Cable with Female Connector
(0.050 ”/1.27 mm pitch centers in-line)
on both ends
TERMINAL CONFIGURATION
Code Description
L
Axial Multi-Purpose Pin
R
Radial Multi-Purpose Pin
Cable and Connector Options:
H-290-4 = 6 ” Cable with Female Connector (0.050 ”/1.27 mm pitch centers in-line) and stripped/tinned leads
H-290-1 = 6 ” Cable with Female Connector (0.050 ”/1.27 mm pitch centers in-line) on both ends
H-290-2 = 12 ” Cable with Female Connector (0.050 ”/1.27 mm pitch centers in-line) and stripped/tinned leads
H-290-3 = 12 ” Cable with Female Connector (0.050 ”/1.27 mm pitch centers in-line) on both ends
For other cable and connector options, please contact the factory.
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.
EM14 - 14 mm Rotary Optical Encoder w/Switch
Product Dimensions
MOUNTING
SURFACE
14.25
(0.561)
10.03
(.395)
L
3.18
TYP.
(.125)
"L" PIN STYLE
9.53
(.375)
F
4.76
(.187)
14.76
(.581)
DIA.
0.457 ± 0.026
(.018 ± .001)
8.00
(.315)
METAL SHAFT
(SEE TABLE FOR OPTIONS)
1.19
.79
X
HIGH
(.047) (.031)
ANTI-ROTATION BOSS
(OPTIONAL)
R
2.08
TYP.
(.082)
"R" PIN STYLE
METAL BUSHING
(SEE TABLE FOR OPTIONS)
1.75
(.069)
"L" PIN STYLE
TYP.
1.52
(.060)
"R" PIN STYLE
TYP.
Shaft / Flat Length Dimensions
"A" Style Bushing - Flatted Shafts
"R" Style Bushing - Flatted Shafts
L
9.53
(.375)
F
9.5
(.374)
F
BUSHING
DIA.
6.35
(.250)
9.52
(.375)
SHAFT LENGTH FLAT LENGTH
"L"
"F"
19.05
7.94
(.750)
(.313)
22.22
9.52
(.875)
(.375)
"A" Style Bushing - Slotted Shafts
SHAFT
DIA.
BUSHING
DIA.
6.0
(.236)
10.0
(.394)
1/4-32 UNEF-2A
SHAFT LENGTH FLAT LENGTH
"L"
"F"
20.0
7.0
(.787)
(.275)
25.0
12.0
(.984)
(.472)
SHAFT
DIA.
BUSHING
DIA.
3.17
(.125)
6.35
(.250)
L
9.5
(.374)
1.8
(.071)
9.53
(.375)
DIMENSIONS:
0.99
(.040)
0.99
(.040)
3/8-32 UNEF-2A
SHAFT
DIA.
BUSHING
DIA.
6.35
(.250)
9.52
(.375)
SHAFT LENGTH
"L"
19.05
(.750)
22.22
(.875)
"R" Style Bushing - Slotted Shafts
L
1.8
(.071)
L
6.35
(.250)
M10 x 0.75-6 g
3/8-32 UNEF-2A
SHAFT
DIA.
1.52
(.060)
0.79
(.031)
4.42
(.174)
4.76
(.187)
"C" Style Bushing - Slotted Shafts
L
SHAFT LENGTH
"L"
19.05
(.750)
22.22
(.875)
M10 x 0.75-6 g
SHAFT
DIA.
BUSHING
DIA.
6.0
(.236)
10.0
(.394)
SHAFT LENGTH
"L"
20.0
(.787)
25.0
(.984)
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.
MM
(INCHES)
3312 - 14
EM14
2 mm
mm SMD
RotaryTrimming
Optical Encoder
Potentiometer
w/Switch
Cable/Connector Options
6.0
1.0
x
(.236) (.039)
1.27
x
PITCH RECEPTACLE
(.050)
.457
FOR (.018) DIA. PINS
Cable Assembly, Connector on One End
STRIPPED AND TINNED
100 % MATTE TIN
CONNECTOR
RIBBON CABLE
6x28 AWG x 1.27 PITCH
(.050)
PIN 1 - RED STRIPE
REF.
8.0
(.315)
123456
2.54
(.100)
REF.
A
REF.
2.7
(.106)
3.98
(.157)
Cable Assembly, Connector on Both Ends
RIBBON CABLE
6x28 AWG x 1.27 PITCH
(.050)
PIN 1 - RED STRIPE
6.0
1.0
2 x CONNECTOR
x
(.236) (.039)
1.27
x
PITCH RECEPTACLE
(.050)
.457
FOR (.018) DIA. PINS
HARDWARE
DESCRIPTION
NUMBER
“A” DIM.
H-290-4
CABLE ASSEMBLY,
CONNECTOR
ON ONE END
152.4 ± 5.0
(6.0 ± .197)
H-290-2
CABLE ASSEMBLY,
CONNECTOR
ON ONE END
304.8 ± 5.0
(12.0 ± .197)
H-290-1
CABLE ASSEMBLY,
CONNECTOR
ON BOTH ENDS
152.4 ± 5.0
(6.0 ± .197)
H-290-3
CABLE ASSEMBLY,
CONNECTOR
ON BOTH ENDS
304.8 ± 5.0
(12.0 ± .197)
123456
DIMENSIONS:
MM
(INCHES)
A
Terminal Configurations
Radial (shown with optional mounting bracket)
Recommended PCB Layout
14.99 ± .13
(.590 ± .005)
14.76 ± .25
(.581 ± .010)
2.62 ± .38
(.103 ± .015)
17.17
REF.
(.676)
1.60
(.063)
REF.
PCB
THICKNESS
DIA.
1.73 ± .10
(.068 ± .004)
2 PLCS.
15.16 ± .25
(.597 ± .010)
1.5
WIDE
(.059)
0.381
X
THICK
(.015)
7.87
(.310)
REF.
1.24
(.049)
DIA.
.64
6 PLCS.
(.025)
GROUND
CHANNEL “A”
7.87 ± .08
(.310 ± .003)
1.27 ± .13
(.050 ± .005)
5 PLCS.
CHANNEL “B”
POWER
MOMENTARY
SWITCH
Axial (shown with optional mounting bracket)
14.99 ± .25
(.590 ± .010)
Recommended PCB Layout
14.61
(.575)
1.22
(.048)
2.49 ± .38
(.098 ± .015)
17.17
(.676)
10.57
(.416)
REF.
6.25
(.246)
1.60
(.063)
REF.
PCB THICKNESS
GROUND
CHANNEL “A”
MOMENTARY
SWITCH
CHANNEL “B”
POWER
DIA.
.64
(.025)
6 PLCS.
DIA.
1.73 ± .10
(.068 ± .004)
2 PLCS.
6.25 ± .08
(.246 ± .003)
1.27 ± .13
(.050 ± .005)
5 PLCS.
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 - 14
EM14
2 mm
mm SMD
RotaryTrimming
Optical Encoder
Potentiometer
w/Switch
Electrical Block Diagram
Quadrature Output
–
CW
Ground
90 °e ± 45 °e
High
CHANNEL A
A
Channel A
CHANNEL B
IRED
1
Low
High
Low
180 °e
1 pulse width
Switch Terminal
10k
Opto
ASIC
32 DETENT / 8 PPR
10k
CW
2
Switch Terminal
+
Power
CHANNEL A
CHANNEL B
B
Channel B
32 DETENT / 32 PPR
Terminal Diagram
CW
High
CHANNEL A
Low
CHANNEL B
High
Low
CHANNEL "A"
Detent Range
CHANNEL "B"
GROUND
A12 +B
Nominal Detent
Position
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.
TYP. 1.27
(.050)
POWER
MOMENTARY SWITCH
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe: Tel: +36 88 520 390 • Fax: +36 88 520 211
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
REV. 10/13
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.
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