page
1
phone: 360.260.2468
l
sales: 800.736.0194
l
fax: 360.260.2469
email: sales@usdigital.com
l
website: www.usdigital.com
11100 ne 34th circle
l
vancouver, washington 98682 USA
E5M
Industrial Metal Optical Kit Encoder
US
Digital
C o r p o r a t i o n
TM
Description:
Features:
Mechanical Drawing:
Quick, simple assembly and disassembly
Rugged screw-together aluminum housing
Positive finger-latching connector
Fits shaft diameters of .079" to .394" (2mm to 10mm)
Accepts .010" (.25mm) axial shaft play
Tracks from 0 to 100,000 cycles/sec
32 to 1024 cycles per revolution (CPR)
128 to 4096 pulses per revolution (PPR)
2 channel quadrature TTL squarewave outputs
Optional index (3rd channel)
-40 to +100C operating temperature
Rugged alternative to HP HEDS-5500
Single +5V supply
Pin-out is engraved on the cover
Adapters available for mounting on 1.812 bolt circle
US Digital warrants its products against defects in
materials and workmanship for two years. See
complete warranty for details.
The E5M is a robust rotary encoder with a metal enclosure and finger-latching connector. This optical
incremental rotary encoder is designed to easily mount to and dismount from an existing shaft to provide
digital position feedback. The rugged aluminum construction and latching connector make the E5M ideal
for installations where the encoder may be exposed and vulnerable to impact.
The E5D consists of five parts: base, cover, hub/code wheel and encoder module.
The base is constructed of machined aluminum and can be mounted using either a 2 or 3 hole pattern.
The base can be precisely positioned with respect to the motor shaft by using a centering tool.
The cover is constructed of machined aluminum for high impact resistance. Two 4-40 flat head screws
secure the cover to the base plate. The cover has been clear anodized and is engraved with the
encoder modules pin-out.
The cover screws are stainless steel 4-40 flat heads (.625" long) that are recessed into the cover.
The hub/code wheel can be specified to install on shafts from .079" to .394" (2mm to 10mm) in diameter.
Standard diameters are stocked. There is a quick turn around time for special order diameters.
The encoder module incorporates a lensed LED light source and a monolithic photo detector array with
signal shaping electronics to produce the two channel bounceless quadrature TTL outputs. Modules
are also available with a 3rd channel (index) that outputs one pulse per revolution for an absolute
reference.
The connector has 5 conductors, is polarized and latches into features on the encoders cover.
Depressing the latch tab allows the connector to be unplugged.
page
2
phone: 360.260.2468
l
sales: 800.736.0194
l
fax: 360.260.2469
email: sales@usdigital.com
l
website: www.usdigital.com
11100 ne 34th circle
l
vancouver, washington 98682 USA
E5M
Industrial Metal Optical Kit Encoder
US
Digital
C o r p o r a t i o n
TM
Centering Tool:
This reusable tool provides a simple method for accurately centering the E5M base
onto the shaft. It is recommended for the following situations:
When using mounting screws smaller than 4-40.
When the position of the mounting holes is in question.
When using the 3-hole mounting pattern.
When using the T-option transfer adhesive.
Instructions: When mounting encoder base, slide centering tool down shaft until
it slips into centering hole of encoder base. Tighten mounting screws, then remove
centering tool.
Accessories:
This adapter enables the E5M to mount to a 1.812" diameter bolt circle. The
mounting holes, spaced 1.812" apart, will accept #4 screws.
Note: The required shaft length needs to be a minimum of .570 inches long
when using this option.
P-option:
This adjustable version of the above adapter allows the E5M to be rotated
15 while operating for index orientation. Use three 4-40 x 1/4" screws (sold
separately). When installing the hub, rotate the index to the approximate
position. After assembly, with the 3 screws loose, rotate while operating to
the desired index location and tighten.
R-option:
The H-option adds a hole to the housing for the shaft to pass through.
Shafts =<.157", a .203" diameter hole is supplied.
Shafts from .187" to .250", a .295" diameter hole is supplied.
Shaft =>.312", a .438" diameter hole is supplied.
H-option:
Price
$5.00
CTOOL -
Shaft Diameter:
079
118
125
156
157
187
197
237
250
312
315
375
394
Base Mounting Screws:
SCREW-176
Price: $0.25
(256 X 1/4")
Quantity: 2 or 3*
SCREW-290
Price: $0.25
(4-40 X 1/4")
Quantity: 2 or 3*
* Quantity required for encoder base mounting.
Hex Tools:
HEXD-3404
Price: $5.00
Hex driver, .050" flat-to-flat for 3-48 set screw.
HEXW-349
Price: $0.50
Hex wrench, .050" flat-to-flat for 3-48 set screw.
Spacer Tools:
SPACER-4218
Price: $0.50
page
3
phone: 360.260.2468
l
sales: 800.736.0194
l
fax: 360.260.2469
email: sales@usdigital.com
l
website: www.usdigital.com
11100 ne 34th circle
l
vancouver, washington 98682 USA
E5M
Industrial Metal Optical Kit Encoder
US
Digital
C o r p o r a t i o n
TM
1. Base Mounting
Secure base to mounting surface using two
screws on .750" bolt circle or 3 screws on .823"
bolt circle. If a centering tool is used, slip it over
shaft and into center hole of base. Tighten mount-
ing screws. Remove centering tool.
Orientate module with connector pins towards
top. Tilt module so that module loops clear base
pedestal and disk fits into slot of module. Slide
module in direction of arrow until module leads are
centered over the pedestal. Press module over
aligning pins on base. Secure with two 4-40 1/2"
pan head screws (supplied).
4. Encoder Module Installation
Place housing (cover) over assembly and
secure with two 4-40 x 5/8" cover screws
(supplied).
5. Cover Installation
Slip hub disk assembly over shaft with disk side up until
it bottoms out against spacer tool. Tighten set screw
with hex wrench provided while pressing down on
hub.
3. Hub Disk Assembly
Installation
Place spacer tool on base next to shaft.
2. Spacer Installation
(sold separately)
(sold separately)
Be sure to keep different diameters, resolutions and
options separated. The resolution of the optoelectronic
modules and the code wheels must match. Index and
non-index parts cannot be mixed since the optical
patterns are different.
An additional identifier is stamped on each optoelec-
tronic module. The 2-channel (non-index) version can
be identified by a number 9100 or 9200. A 9140
identifies the 3-channel (index) version. One letter
stamped on each module specifies the resolution as
shown in the adjacent table.
Disk Optics:
* US Digital's EM1 opti-
cal encoder module. 1
stands for 1" disk, the
second number set is
the resolution.
Disk
Standard
Index
32*
1-32
1-32
50
S
S
96
C
C
100
C
C
110
C
-
120
C
-
192
E
E
200
E
E
250
F
F
256
F
F
360
G
G
400
H
H
500
A
A
512
I
I
540
I
-
1000
B
-
1016
J
-
1024
J
-
page
4
phone: 360.260.2468
l
sales: 800.736.0194
l
fax: 360.260.2469
email: sales@usdigital.com
l
website: www.usdigital.com
11100 ne 34th circle
l
vancouver, washington 98682 USA
E5M
Industrial Metal Optical Kit Encoder
US
Digital
C o r p o r a t i o n
TM
Ordering Information:
Technical Data, Rev. 03.05.03, March 2003
All information subject to change without notice.
Index/HiRes*:
$67.85 / 1
$63.25 / 10
$56.35 / 50
$54.05 / 100
$50.60 / 500
$44.85 / 1K
Cost Modifiers:
Add $6 for P-option adapter plate.
Add $6 for R-option adapter plate.
Add $3 for PKG1-option packaging.
Add $4 for PKG2-option packaging.
Add $7 for PKG3-option packaging.
Price:
$59.00 / 1
$55.00 / 10
$49.00 / 50
$47.00 / 100
$44.00 / 500
$39.00 / 1K
E5M -
CPR:
32***
50
96
100
110**
120**
192**
200
250
256
360
400
500
512
540**
1000**
1016**
1024**
Shaft Diameter:
Code
Size
079
2mm
118
3mm
125
1/8"
156
5/32"
1574mm
1873/16"
1975mm
2376mm
250
1/4"
312
5/16"
315
8mm
375
3/8"
394
10mm
Options:
(specify in order shown)
I = Index (3rd channel).
H = Adds adds hole in housing to allow shaft
to pass through.
P = Adds a 1.812" bolt cirlce 2-hole adapter
to bottom of base.
R = Adds a 1.812" bolt circle 3-slot adapter
to bottom of base.
Packaging Options:
Blank (default) = Encoder components, one spacer
tool and one hex wrench per 100 encoders
packaged in bulk.
PKG1 = Each encoder packaged individually. One
spacer tool and one hex wrench per 100
encoders packaged in bulk.
PKG2 = One spacer tool and one hex wrench
individually packaged together with each encoder.
PKG3 = One spacer tool, one hex wrench, and one
centering tool individually packaged together with
each encoder.
If you would like individual mounting screws, further
instructions, or other custom kits please call.
Notes:
* Index / resolutions =>1000 CPR.
** Index option not available.
*** 32 CPR only available with index.
Absolute Maximum Ratings:
Parameter
Max.
Units
Vibration (5 to 2kHz)
20
g
Shaft Axial Play
0.010
Inches
Shaft Eccentricity Plus Radial Play
0.004
Inches
Acceleration
250,000
rad/sec
2
Note that radial play translates directly to positive error.
Mechanical Specifications:
Parameter
Dimension
Units
Moment of Inertia
8.0 x 10-6
oz-in-s
2
Hub Set Screw Size
3-48
in.
Hex Wrench Size
.050
in.
Encoder Base Plate Thickness
.135
in.
3 Mounting Screw Size
4-40
in.
3 Screw Bolt Circle Diameter
.823 .005
in.
2 Mounting Screw Size
4-40
in.
2 Screw Bolt Circle Diameter
.750 .005
in.
Required Shaft Length
.445 to .510
in.
For complete details see the HEDS or EM1 data sheets.
Electrical Characteristics:
Torque Specifications:
Parameter
Torque
Hub Set Screw to Shaft
2-3 in.-lbs.
Cover (4-40 screws through cover into base)
2-3 in.-lbs.
Base to Mounting Surface
4-6 in.-lbs.
Base to Mounting Adapter Plate
4-6 in.-lbs.
Adapter Plate to Mounting Surface (4-40 screws)
4-6 in.-lbs.
A leads B for clockwise shaft rotation, and B leads A for counter-
clockwise rotation viewed from the cover/label side of encoder (see
the HEDS data sheet).
Phase Relationship:
Compatible Cables & Connectors:
Finger-latching:
5-pin
Description
CON-FC5-22*
Connector
CA-3133-1FT
Connector on one end with 4 12" wires
CA-3132-1FT
Connector on one end with 5 12" wires
CA-3131-6FT
Connector on one end of a 6' shielded round cable
CA-3620-6FT
Connectors on both ends of a 6' shielded round cable
* 22 AWG is standard. 24, 26 and 28 AWG are also readily available.
Attention:
Specify cable length when ordering.
Custom cable lengths are available. See the Cables & Connectors data
sheet for more information.
Encoder Pin-out:
Pin
Description
1
Ground
2
Index
3
A channel
4
+5VDC power
5
B channel
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