HS22 Incremental Optical Encoder
The HS22 series
of hollow shaft
incremental encoder
offers application
advantages over
conventional optical
encoders. This
heavy duty unit
is designed
for ease of
installation to a servo
motor, the encoder’s flexible coupling
fits over the driven motor shaft to provide an accurate, backlash-free
method of attachment.
The mounting method eliminates the need for couplings, sprockets,
or gearing. The integral flex mount provides for a 20-degree angular
adjustment. Through-shaft or blind shaft configurations of the HS22
encoder are available.
Through-shaft units allow for applications where the center of the
encoder must be used for transmission of fluids, cabling, or optics.
Blind shaft units are designed to mate with shaft lengths of 0.50 to
1.50 inch. Standard outputs for both configurations incude: A and B in
quadrature with index and optional commutation signals for brushless
motor control.
BEI Sensors
Mechanical Specifications
Shaft Bore:
0.500” (standard) 0.375”, 0.250”, 10mm,
8mm and 6mm available
Allowable Misalignment:
0.010 T.I.R. on mating shaft
Bore Runout:
0.001” T.I.R.
Starting Torque at 25°C:
5-in-oz (max)
Bearings:
52100 SAE high carbon steel
Shaft Material:
303 stainless steel
Bearing Housing:
Die cast aluminum with protective finish
Cover:
Drawn aluminum with protective finish
Bearing Life:
7.5 X 10
9
revs (50, 000 hrs at 2500 RPM)
Maximum RPM:
5,000 RPM
Moment of Inertia:
10 X 10
-4
oz-in-sec
2
Weight:
10 oz (max)
Electrical Specifications
Code:
Incremental Output Format, 2 channels in quadrature, one cycle
(nominal) ungated index (other index options and commutation channels
available—consult factory).
Cycles Per Shaft Turn:
100 to 2540
Supply Voltage:
5, 12–15, 24–28 VDC
Current Requirements:
120 mA typical, 175 mA max
Voltage/Output:
(see note 5)
28V/V: Line Driver, 5–28 VDC in, Vout = Vin
28V/5: Line Driver, 5–28 VDC in, Vout = 5 VDC
28V/OC: Open Collector, 5–28 VDC in, OCout
Protection Level:
Output short circuit
Frequency Response:
100kHz allowable operating speed (RPM) = (100kHz/Resolution) x 60
Output Termination Pinouts:
See table 1, back page
Environmental Specifications
Enclosure Rating:
NEMA 5 (IP50) for through shaft versions (TS) and
NEMA 12 (IP52) for blind shaft (BS) versions
Temperature: Operating,
0º to 70º C; extended temperature testing
available, -40º to 85º ; storage, -20º to 90º C.
Shock:
50 g’s for 11 msec duration
Vibration:
5 to 2000 Hz @ 10 g’s
Humidity:
98% RH non-condensing
NOTES AND TABLES:
All notes and tables referred to in the text
can be found on the back page.
HS22 Incremental Ordering Options
HS22
F
HOUSING:
F = Standard
TYPE:
Hollow Shaft
2.2” Diameter
for assistance call
800-350-2727
Use this diagram, working from left to right to construct your model number (example:
HS22F-50-R1-TS-256-ABZC-28V/V-SC18).
R1
TETHER:
R1 = Flexmount
RESOLUTION
SHAFT BORE:
NUMBER OF CYCLES:
1/2 (Std.) = 50
100, 200, 250,
10mm = 39
256, 360, 480, 500,
3/8 = 37
SHAFT/SEAL:
1000, 1024, 1440,
8mm = 31
TS = Through Shaft 1800, 2000, 2048,
1/4 = 25
BS = Blind Shaft
2500, 2540
6mm = 24
CHANNELS:
A, AB, ABZ
ABZC
COMMUTATION
TRACKS:
Blank = None
C2 = 2 pole pairs
SPECIAL
OUTPUT
FEATURES:
TERMINATION
Blank = None
SHIELDED CABLE:
S = Special
SC18 = 18.0”
CONNECTOR
VOLTAGE/OUTPUT:
OPTIONAL:
28V/V = 5–28Vin/out
28V/5 = 5–28Vin/5Vout Blank = None
28V/OC = 5–28Vin/OCout Consult Factory
tel: 805-968-0782 /800-350-2727 | fax: 805-968-3154 / 800-960-2726
7230 Hollister ave., Goleta, ca 93117-2807 |
www.beiied.com
specification no. 924-02068 rev.06-10
These commodities, technology or software if exported from the United States must be in accordance with the Bureau of Industry, and Security, Export Administration regulations. Diversion contrary to U.S law is prohibited.
HS22 Incremental Optical Encoder
BEI Sensors
Dimensions
.157 WIDE
20°, 3X
EQL SP ON A
Ø2.61 B.C.
Notes
.75
TYP
Ø2.22
Table 1
Figure 1
Output Waveform
A
B
Z
A
B
Z
1.
Mounting is usually done either using the D-style square
flange mount, E- or G-style servo mounts, or one of the standard
HS22 Diagram
Thru Shaft
Blind Shaft
face mounts, F1 for example. Consult factory for additional face
(1.74)
(1.74)
mount options.
20°
1.35
20°
1.35
(1.64)
(.35)
(1.64)
2.The
shaft seal is recommended in virtually all installations. The
(.35)
MAX
MAX
.157 WIDE
.10
.10
most common exceptions are applications requiring a very low starting
R. 1.450
20°, 3X
R. 1.450
MAX
MAX
EQL SP ON A
torque or those requiring operation at both high temperature and
Ø2.61 B.C.
#8 SHAFT
high speed.
#8 SHAFT
LOCKING SCREW
LOCKING SCREW
90° APART, 2X
3.
Non-standard index widths and multiple indices are available by
90° APART, 2X
special order. Consult factory.
4.
Complementary outputs are recommended for use with line driver
Ø1.00
Ø1.00
type (source/sink) outputs. When used with differential receivers, this
combination provides a high degree of noise immunity.
5. Output IC’s:
Output IC’s are available as either Line Driver (LD) or
.75
NPN Open Collector (OC) types. Open Collectors require pull-up resis-
TYP
tors, resulting in higher output source impedance (sink impedance
BORE Ø
BORE Ø
is similar to that of line drivers). In general, use of a Line Driver style
+0.003/-0.000
+0.003/-0.000
output is recommended. Line Drivers source or sink current and their
Ø2.22
BLIND SHAFT
BLIND SHAFT
TO MATE WITH
TO MATE WITH
lower impedance mean better noise immunity and faster switching
SHAFT LENGTHS OF SHAFT LENGTHS OF
+1.00
+1.00
.5 TO 1.5
times.
Warning:
Do not connect any line driver outputs directly to
.5 TO 1.5
-0.00
-0.00
15°
15°
18.0"
circuit common/OV, which may damage the driver. Unused outputs
18.0"
should be isolated and left floating. Our applications specialists would
be pleased to discuss your system requirements and the compatibility
of your receiving electronics with Line Driver type outputs.
28V/V:
Multi-voltage Line Driver (7272*): 100 mA source/sink. Input
voltage 5 to 28 VDC +/- 5% standard (Note: V
out
= V
in
). This driver
is TTL compatible when used with 5 volt supply. Supply lines are
HS22 THRU SHAFTHS22 THRU SHAFT
HS22 BLIND SHAFT
HS22 BLIND SHAFT
protected against overvoltage to 60 volts and reverse voltage. Outputs
are short circuit protected for one minute. Supply current is 120 mA
typical (plus load current). This is the recommended replacement for
3904R and 7406R open collector outputs with internal pullup resistors.
It is also a direct replacement for any 4469, 88C30, 8830 or 26LS31
line driver
STANDARD INCREMENTAL OUTPUTS
OPTION COMMUTATION OUTPUTS
28V/5:
Multi-voltage Line Driver (7272*): 100 mA source/sink. Input
COLOR
FUNCTION
COLOR
FUNCTION
voltage 5 to 28 VDC +/- 5% standard, internally regulated with 5V
(TTL compatible) logic out. Supply lines are protected against overvolt-
YEL
A
GRY
U
age to 60 volts and reverse voltage. Outputs are short circuit protected
WHT/YEL
A
WHT/YGRY
U
for one minute. Supply current is 90 mA typical (plus load current).
BLU
B
BRN
V
15V/V:
Multi-voltage Line Driver (4469*): 100 mA source/sink. Input
voltage 5 to 15 VDC +/- 5% standard (Note: V
out
= V
in
). TTL compat-
WHT/BLU
B
WHT/BRN
V
ible when used with 5 volt supply. Supply lines are protected against
ORN
Z
VIO
W
overvoltage to 60 volts and reverse voltage. Outputs are short circuit
protected for one minute. Supply current is 90 mA typical (plus load
WHT/ORN
Z
WHT/VIO
W
current). This is a direct replacement for the 4469 Line Driver.
RED
+V (SUPPLY)
28V/OC:
NPN Open Collector (3904*, 7273*). Current sink of 80 mA
BLK
O V (GROUND)
max. Current sourced by external pull- up resistor. Output can be
DATA TRACKS
pulled up to voltage other than supply voltage (30 V max). Input volt-
GRN
CASE GROUND
age 5 to 28 VDC +/- 5% standard. Supply current is 120 mA typical.
This replaces prior IC’s with designations of 3904, 7406, 3302, 681
1~
1/2~
and 689.
DATA“A”
5V/OCR, 15V/OCR, 24V/OCR:
Open Collector (3904R*, 7406R*,
1/4~ (NOM.)
7273R*): Current sink of 70 mA max. Includes internal pull-ups
DATA“B”
sized at approximately 100 ohms/volt. Max current source is 10 mA.
1 CYCLE
1/4~ (MIN.)
Supply current is 100 mA typical, 120 mA with internal pull-ups. The
INDEX
UNGATED
90 Deg.
5V/OCR, 15V/OCR and 24V/OCR are often replaced by the 28V/V in
INDEX TRANSITIONS
system upgrades.
TO OCCUR IN
HI
SHADED AREAS
3904, 3904R, 4469, 5V/V, 5V/OC, 5V/OCR, 9V/OC:
Intrinsically safe
LO
CCW ROTATION VIEWING FACE
line driver and open collector outputs. These drivers are specific to
intrinsically safe encoders, and are installed per the appropriate control
drawings listed in Table 2.1 on page 48 of the 2008 BEI Spec Guide.
COMMUTATION TRACKS (3 PHASE, N = NUMBER OF POLE PAIRS)
6.
Special –S at the end of the model number is used to define a
(USE N = 2 FOR A 4-POLE MOTOR)
variety of non-standard features such as special shaft lengths, voltage
options, or special testing. Please consult the factory to discuss your
INDEX (REF)
special requirements.
360° / N. MECHANICAL
7.
Higher frequency response may be available. Please consult with
180° ELECT
the factory.
8.
Extended temperature ratings are available in the following ranges:
COMM “U”
-40 to 70°C, -40 to 85°C, –20 to 105°C and –40 to 105°C depend-
120° ELECT
ing on the particular model. Some models can operate down to -55°C.
COMM “V”
Extended temperature ranges can affect other performance factors.
240° ELECT
Consult with factory for more specific information.
COMM “V”
9.
Mating straight plug receptacles may be ordered from the factory:
For M12 use MS3116F12-10S, For M14 use MS3106F14S-6S
CCW Rotation Viewing Face
For M14/19 use MS3116J14-19S, For M16 use MS3106F16S-1S
For M18 use MS3106F18-1S, For M20 use MS3106F20-29S
Output Termination Pinouts
tel: 805-968-0782 /800-350-2727 | fax: 805-968-3154 / 800-960-2726 | 7230 Hollister ave., Goleta, ca 93117-2807 |
www.beiied.com
These commodities, technology or software if exported from the United States must be in accordance with the Bureau of Industry, and Security, Export Administration regulations. Diversion contrary to U.S law is prohibited.
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