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 ........................................................................................................................................................................250 gm (8.82 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)
L
9.53
(.375)
10.03
(.395)
3.18
TYP.
(.125)
"L" PIN STYLE
14.76
(.581)
8.00
(.315)
METAL SHAFT
(SEE TABLE FOR OPTIONS)
2.08
TYP.
(.082)
"R" PIN STYLE
1.52
(.060)
"R" PIN STYLE
TYP.
1.75
TYP.
(.069)
"L" PIN STYLE
1.19
.79
R
X
HIGH
(.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.
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 Division
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. 11/06
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
