Resolution ............................................................................................................................................................................8 to 64 pulses per revolution (PPR)
) ........................................................................................................................................................................................26 mA maximum
Output Voltage
Low (V
CE(sat)
), per Channel ..........................................................................................................................................800 mV maximum at I
(SINK)
= 25 mA
High (V
O(HI)
), per Channel ..........................................................................................................................................4.0 VDC minimum @ V
CC
= 4.75 VDC
Output Current I
(SINK)
, per Channel ..................................................................................................................................................................25 mA minimum
Rise/Fall Time ........................................................................................................................................................................................................200 ns typical
Power Dissipation..........................................................................................................................................................................................167 mW maximum
Operating RPM ....................................................................................................................................................................................................120 maximum
Switch Power Rating ............................................................................................................................................12 VDC / 20 mA (600 ohms maximum 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*
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 ........................................................................................................................................................................................................0.04 in. typical
Shaft Radial Play ..........................................................................................................................................................................................0.005 in. maximum
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
Lockwasher ............................................................................................................................................................Nickel-plated spring steel, internal tooth
Marking ..................................................................................................Manufacturer’s symbol, model number, product code, terminal style and date code
Standard Packaging ..........................................................................................................................................................Antistatic plastic tube (25 pcs./tube)
*When device is mounted by normal mounting means.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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
A
3/8 " D x 3/8 " L Threaded
C
1/4 " D x 1/4 " L Threaded
R
10 mm D x 9.5 mm L Threaded
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
SWITCH OPTION
Code Description
S
Push Switch (Standard)
H
Push Switch (High Force)
N
No Switch
RESOLUTION (Pulses Per Revolution)
Code Description
08
8 PPR
16
16 PPR
32
32 PPR
64
64 PPR
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
CABLE/CONNECTOR OPTION
Code Description
0
No Cable/Connector
1
6 ” Cable with Female Connector
(0.050 ”/1.27 mm pitch centers in-line)
and stripped/tinned leads
2
6 ” Cable with Female Connector
(0.050 ”/1.27 mm pitch centers in-line)
on both ends
3
12 ” Cable with Female Connector
(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
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
TERMINAL CONFIGURATION
Code Description
L
Axial Multi-Purpose Pin
R
Radial Multi-Purpose Pin
Cable and Connector Options:
H-190-4 = 6 ” Cable with Female Connector (0.050 ”/1.27 mm pitch centers in-line) and stripped/tinned leads
H-190-1 = 6 ” Cable with Female Connector (0.050 ”/1.27 mm pitch centers in-line) on both ends
H-190-2 = 12 ” Cable with Female Connector (0.050 ”/1.27 mm pitch centers in-line) and stripped/tinned leads
H-190-3 = 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.
Customers 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)
F
4.76
(.187)
DIA.
0.457 ± 0.026
(.018 ± .001)
8.00
(.315)
METAL SHAFT
(SEE TABLE FOR OPTIONS)
2.08
TYP.
(.082)
"R" PIN STYLE
1.52
(.060)
"R" PIN STYLE
TYP.
TYP.
1.75
(.069)
"L" PIN STYLE
L
9.53
(.375)
10.03
(.395)
3.18
TYP.
(.125)
"L" PIN STYLE
14.76
(.581)
1.19
.79
X
HIGH
R
(.047) (.031)
ANTI-ROTATION BOSS
(OPTIONAL)
METAL BUSHING
(SEE TABLE FOR OPTIONS)
Shaft / Flat Length Dimensions
"A" Style Bushing - Flatted Shafts
L
F
9.53
(.375)
F
"R" Style Bushing - Flatted Shafts
L
9.5
(.374)
"C" Style Bushing - Slotted Shafts
1.52
(.060)
L
6.35
(.250)
4.76
(.187)
SHAFT
DIA.
6.35
(.250)
BUSHING
DIA.
9.52
(.375)
4.42
(.174)
3/8-32 UNEF-2A
SHAFT LENGTH FLAT LENGTH
"L"
"F"
19.05
7.94
(.750)
(.313)
22.22
9.52
(.875)
(.375)
SHAFT
DIA.
6.0
(.236)
M10 x 0.75-6 g
BUSHING
DIA.
10.0
(.394)
SHAFT LENGTH FLAT LENGTH
"L"
"F"
20.0
7.0
(.787)
(.275)
25.0
12.0
(.984)
(.472)
0.79
(.031)
1/4-32 UNEF-2A
SHAFT
DIA.
6.35
(.250)
BUSHING
DIA.
9.52
(.375)
SHAFT LENGTH
"L"
19.05
(.750)
22.22
(.875)
"A" Style Bushing - Slotted Shafts
L
1.8
(.071)
9.53
(.375)
"R" Style Bushing - Slotted Shafts
L
1.8
(.071)
9.5
(.374)
0.99
(.040)
SHAFT
DIA.
6.35
(.250)
0.99
(.040)
3/8-32 UNEF-2A
BUSHING
DIA.
9.52
(.375)
SHAFT LENGTH
"L"
19.05
(.750)
22.22
(.875)
SHAFT
DIA.
6.0
(.236)
M10 x 0.75-6 g
BUSHING
DIA.
10.0
(.394)
SHAFT LENGTH
"L"
20.0
(.787)
25.0
(.984)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
EM14 - 14 mm Rotary Optical Encoder w/Switch
Cable/Connector Options
Cable Assembly, Connector on One End
STRIPPED AND TINNED
100 % MATTE TIN
123456
CONNECTOR
x
PIN 1 - RED STRIPE
REF.
8.0
(.315)
6.0
1.0
x
(.236) (.039)
RIBBON CABLE
6x28 AWG x 1.27 PITCH
(.050)
1.27
PITCH RECEPTACLE
(.050)
.457
FOR (.018) DIA. PINS
HARDWARE
DESCRIPTION
NUMBER
H-190-4
CABLE ASSEMBLY,
CONNECTOR
ON ONE END
CABLE ASSEMBLY,
CONNECTOR
ON ONE END
CABLE ASSEMBLY,
CONNECTOR
ON BOTH ENDS
CABLE ASSEMBLY,
CONNECTOR
ON BOTH ENDS
“A” DIM.
152.4 ± 5.0
(6.0 ± .197)
2.54
(.100)
A
3.98
REF.
(.157)
REF.
2.7
(.106)
H-190-2
304.8 ± 5.0
(12.0 ± .197)
H-190-1
Cable Assembly, Connector on Both Ends
RIBBON CABLE
6x28 AWG x 1.27 PITCH
(.050)
123456
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
152.4 ± 5.0
(6.0 ± .197)
H-190-3
304.8 ± 5.0
(12.0 ± .197)
A
Terminal Configurations
Radial
14.99 ± .13
(.590 ± .005)
Recommended PCB Layout
DIA.
1.73 ± .10
(.068 ± .004)
2 PLCS.
DIA.
.64
6 PLCS.
(.025)
GROUND
CHANNEL “A”
MOMENTARY
SWITCH
CHANNEL “B”
POWER
15.76 ± .25
(.581 ± .010)
15.16 ± .25
(.597 ± .010)
2.62 ± .38
(.103 ± .015)
17.17
REF.
(.676)
1.60
(.063)
REF.
PCB
THICKNESS
7.87 ± .08
(.310 ± .003)
1.27 ± .13
(.050 ± .005)
5 PLCS.
1.5
WIDE
(.059)
0.381
X
THICK
(.015)
7.87
(.310)
REF.
1.24
(.049)
Axial
14.99 ± .25
(.590 ± .010)
Recommended PCB Layout
14.61
(.575)
DIA.
1.73 ± .10
(.068 ± .004)
2 PLCS.
6.25 ± .08
(.246 ± .003)
1.27 ± .13
(.050 ± .005)
5 PLCS.
1.22
(.048)
10.57
(.416)
REF.
6.25
(.246)
GROUND
CHANNEL “A”
MOMENTARY
SWITCH
CHANNEL “B”
POWER
DIA.
.64
(.025)
6 PLCS.
2.49 ± .38
(.098 ± .015)
17.17
(.676)
1.60
(.063)
REF.
PCB THICKNESS
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
EM14 - 14 mm Rotary Optical Encoder w/Switch
Electrical Block Diagram
Quadrature Output
CW
–
Ground
High
CHANNEL A
Low
High
CHANNEL B
Low
90 °e ± 45 °e
A
IRED
Channel A
1
10k
Opto
ASIC
10k
Switch Terminal
180 °e
1 pulse width
32 DETENT / 8 PPR
2
Switch Terminal
CW
+
Power
CHANNEL A
CHANNEL B
B
Channel B
32 DETENT / 32 PPR
Terminal Diagram
CW
CHANNEL A
CHANNEL B
CHANNEL "A"
GROUND
CHANNEL "B"
A12 +B
TYP. 1.27
(.050)
POWER
MOMENTARY SWITCH
Sensors & Controls
Asia-Pacific:
TEL +886-2 25624117
FAX +886-2 25624116
Europe:
TEL +41-41 7685555
FAX +41-41 7685510
The Americas:
TEL +1-951 781-5500
FAX +1-951 781-5700
www.bourns.com
REV. 08/07
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
