HS35 Incremental Optical Encoder
The HS35 com-
bines the rug-
ged, heavy-duty
features usually
associated with
shafted encod-
ers into a hollow
shaft style. Its
design includes
dual bearings
and shaft seals
for NEMA 4, 13 and
IP65 environmental
ratings, a rugged metal
housing, and a sealed connector or
cable gland. The HS35 accommodates
shafts up to 1” in diameter. With optional
insulating inserts, it can be mounted
on smaller diameter shafts. It can be
The HS35 Dual Output Encoder
mounted on a through shaft or a blind
shaft with a closed cover to maintain its environmental rating. The HS35 is also
available with a dual output option (inset) to provide redundant encoder signals,
dual resolutions, or to supply two separate controllers from a single encoder.
Applications include motor feedback and vector control, printing industries,
robotic control, oil service industries, and web process control.
Special Models of the HS35 Incremental Encoder are available with one or more of the
following certifications. Consult factory for details.
EN 55011 and EN 61000-6-2
Class I, Div 2, Group A,B,C & D;
Class II, Div 2, Group F & G
U.S. Standards Class I,
Group A,B,C & D;
Class II Group E, F & G
C
Mechanical Specifications
Shaft Bore:
1.00”, 0.875”, 0.750”, 0.625”, 0.500”.
All are supplied with insulating sleeves.
Allowable Misalignment:
0.005” T.I.R. on mating shaft 0.75” from shaft end
Bore Runout:
0.001” T.I.R maximum
Starting Torque at 25°C:
Through shaft version (SS) = 7 in-oz (max);
Blind shaft version (BS) = 4 in-oz (max)
Bearings:
52100 SAE High carbon steel
Shaft Material:
416 stainless steel
Bearing Housing:
Die cast aluminum with protective finish
Cover:
Die cast aluminum with protective finish
Bearing Life:
7.5 X 10
9
revs (50,000 hrs at 2500 RPM)
Maximum RPM:
6,000 RPM (see Frequency Response below)
Moment of Inertia:
0.019 oz-in-sec
2
Weight:
18 oz typical
Electrical Specifications
Code:
Incremental
Output Format:
2 channels in quadrature, 1/2 cycle index gated with negative B channel
Cycles Per Shaft Turn:
1 to 80,000 (see table A).
For resolutions above 5000 see interpolation options in Table A
Supply Voltage:
5 to 28 VDC available (see note 5)
Current Requirements:
100 mA typical + output load, 250 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:
Reverse, overvoltage and output short circuit (See note 5)
Frequency Response:
150 kHz (up to 5000 cpt resolution; 300 KHz above 5000
cpt, also see note 7)
Output Terminations:
See table 1 page 65
Note:
Consult factory for other electrical options
Environmental Specifications
Enclosure Rating:
NEMA 4 & 13 (IP65) when ordered with shaft seal (on units
CENELEC
II 1 G Ex ia IIB/IIC T4 Ga
II 3 G Ex nA IIB T3 Gc
UL 12.0035X
UL 13.0071X
Canadian Standards
Class I, Zone 0, Group IIC
with an MS connector) or a cable gland
(on units with cable termination)
Temperature:
Operating, 0º to 70º C; extended temperature testing up to 105º C
available (see note 8); Storage, -25º to
90º C unless extended temperature option called out
Shock:
50 g’s for 11 msec duration
Vibration:
5 to 2000 Hz @ 20 g’s
Humidity:
98% RH without condensation
NOTES & TABLES:
All notes and tables referred to in the text can be found on the
back of this page.
HS35 Incremental Ordering Options
HS35
SHAFT BORE:
TYPE:
TETHER:
HS = Hollow Shaft
100 = 1.00” R1 = Tether Block and Pin
35 = 3.5” Encoder
87 = 0.875” R2 = Tether Arm
X=
Diameter
75 = 0.75” Blank = None
Express
62 = 0.625”
Encoder
HOUSING
50 = 0.50”etc.
SHAFT SEAL
CONFIG:
Metric bores available
CONFIGURATION:
F = Standard
FOR ASSISTANCE CALL
800-350-2727
Use this diagram, working from left to right to construct your model number (example:
HS35F-100- R1-SS-2048-ABZC-28V/V-SM18).
All notes and tables referred to can be found on the back of this page.
See table A on back page
CYCLES PER TURN:
(Enter Cycles)
COMPLEMENTS:
C = Complementary
Outputs
See note 4
NO. OF CHANNELS:
ABZ
See note 3
VOLTAGE/OUTPUT:
28V/V = 5–28Vin/out
28V/5 = 5–28Vin/5Vout
28V/OC = 5–28Vin/OCout
See note 5
HAZARDOUS
AREA RATINGS:
Blank = None
EX = Intrinsically Safe
NI = Non-Incendive
Contact factory for
SPECIAL FEATURES:
S = Special
voltage options
features specified
on purchase order
(consult factory)
See note 6
EXPRESS ENCODERS
®
Items highlighted with
are standard Express
Encoders and ship in one to three days.
T2
option is available as a standard HS35 Express Encoder.
SS =Through Shaft Rubber Seals
BS = Blind Shaft Rubber Seal
FS = Through Shaft Felt Seals
BFS = Blind Shaft Felt Seal
See Note 2
OUTPUT TERMINATION:
SM12 = MS3112E12-10P, M16 = MS3102R16S-1P
SM18 = MS3102R18-1P
(Indicate “S” for single or “D” for Dual (i.e. DM18 = Dual)
SCS = Shielded, Jacketed Cable with cable gland seal and
cable length in inches. (i.e. SCS18 = 18 inches)
TB = Terminal Block
(See table 1 & note 9)
Tel: 805-968-0782 /800-350-2727 | Fax: 805-968-3154 / 800-960-2726
7230 Hollister Ave., Goleta, CA 93117-2807 |
www.beisensors.com
Specification No.
02063-001
Rev. 7-14
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.
HS35 Incremental Optical Encoder
Dimensions
MS Connector Termination
R1 Tether Block and Pin
R2 Tether Arm
Dual Output
Cable
Termination
Table 1
Incremental Output
Terminations
The connector style
will determine pinouts.
For example, an encod-
er with ABC channels
and an M18 connector
uses the table to the
right.
PIN
A
B
C
D
E
F
G
WIRE COLOR
(22AWG)
YEL
BLUE
ORN
W-Yel
W-Blu
W-Orn
RED
BLK
GRN
WHITE
DA 15P
CONNECTOR
13
14
15
10
11
12
6
1
9
M18 CONNECTOR
PIN
A
B
C
D
E
F
G
H
I
J
CHANNEL
A
B
Z
+V
—
0V
CG
A
B
Z
M12 CONNECTOR
PIN
A
B
C
D
E
F
G
H
J
K
CHANNEL
A
B
Z
+V
—
0V
CG
A
B
Z
Figure 1
Output Waveform
1 CYCLE
90 Deg.
HI
A
B
LO
Notes
1.
The typical hollow shaft product is supported by, and
28V/OC:
NPN Open Collector (3904*, 7273*). Current
clamped to, the driving shaft. A flexible tether is used to
keep the housing from rotating.
2.The
rubber shaft seal is recommended in virtually all
installations. The most common exceptions are applica-
tions requiring a very low starting torque or those requiring
operation at both high temperature and high speed. For
these exceptions, a felt shaft seal is recommended. Felt
seals require very low starting torque and can virtually
eliminate frictional heat. Encoders ordered with felt shaft
seals will have an enclosure rating of IP50 and will have
less than 1/10th the Starting Torque specified under
Mechanical Configurations.
3.
Non-standard index widths and multiple indices are
available by special order. Consult factory.
4.
Complementary outputs are recommended for use
with line driver 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 NPN Open Collector (OC) types. Open
Collectors require pull-up resistors, resulting in higher out-
put source impedance (sink impedance is similar to that
of line drivers). In general, use of a Line Driver style output
is recommended. Line Drivers source or sink current and
their lower impedance mean better noise immunity and
faster switching times.
Warning:
Do not connect any line
driver outputs directly to circuit common/OV, which may
damage the driver. Unused outputs 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 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
28V/5:
Multi-voltage Line Driver (7272*): 100 mA
source/sink. Input voltage 5 to 28 VDC +/- 5% stan-
dard, internally regulated with 5V (TTL compatible) logic
out. Supply lines are protected against overvoltage to
60 volts and reverse voltage. Outputs are short circuit
protected for one minute. Supply current is 90 mA typi-
cal (plus load current).
sink of 80 mA max. Current sourced by external pull- up
resistor. Output can be pulled up to voltage other than
supply voltage (30 V max). Input voltage 5 to 28 VDC
+/- 5% standard. Supply current is 120 mA typical. This
replaces prior IC’s with designations of 3904, 7406,
3302, 681 and 689.
5V/OCR, 15V/OCR, 24V/OCR:
Open Collector (3904R*, 7406R*, 7273R*): Current
sink of 70 mA max. Includes internal pull-ups sized at
approximately 100 ohms/volt. Max current source is
10 mA. Supply current is 100 mA typical, 120 mA with
internal pull-ups. The 5V/OCR, 15V/OCR and 24V/OCR
are often replaced by the 28V/V in system upgrades.
3904, 3904R, 4469, 5V/V, 5V/OC, 5V/OCR, 9V/OC:
Intrinsically safe 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.
6.
Special –S at the end of the model number is used to
define a variety of non-standard features such as special
shaft lengths, voltage options, or special testing. Please
consult the factory to discuss your special requirements.
7.
Higher frequency response may be available. Please
consult with the factory.
8.
Extended temperature ratings are available in the
following ranges:
-40 to 70°C, -40 to 85°C, –20 to 105°C and –40 to
105°C depending on the particular model. Some mod-
els can operate down to -55°C. Extended temperature
ranges can affect other performance factors. Consult
with factory for more specific information.
9.
Mating straight plug receptacles may be ordered
from the factory:
For M12 use MS3116F12-10S
For M14 use MS3106F14S-6S
For M14/19 use MS3116J14-19S
For M16 use MS3106F16S-1S
For M18 use MS3106F18-1S
For M20 use MS3106F20-29S
Z
A
B
M16 CONNECTOR
CHANNELS DESIGNATED IN MODEL NO.
ABZ
A
B
Z
—
ABC
A
B
A
CCW Rotation Viewing Face
Z
+V (SUPPLY VOLTAGE)
B
0 V (CIRCUIT COMMON)
CASE GROUND (CG) (except H20)
CHANNELS DESIGNATED IN MODEL NO.
ABZ
A
B
Z
—
—
—
ABC
A
B
—
A
B
—
+V (SUPPLY VOLTAGE)
0 V (CIRCUIT COMMON)
CASE GROUND (CG) (except H20)
SHIELD DRAIN (Shielded Cable Only)
ABZC
A
B
Z
A
B
Z
NOTE: Index location is displaced
180° (mechanical) on second out-
put with dual output option.
Table A
HS35 Disc Resolutions
32 100 250 360 420 500 512
600 635 720 1000 1024
1200 1500 1650 1800 2000
2100 2048 2500 2881 2884
3600 3710 4096 5000
For interpolation please specify the
multiplied output (up to 80,000 for
the HS35) in the model number, i.e.
80,000-T16. Other resolutions avail-
able–consult factory.
NOTE: Dual resolutions available,
consult factory.
Tel: 805-968-0782 /800-350-2727 | Fax: 805-968-3154 / 800-960-2726
7230 Hollister Ave., Goleta, CA 93117-2807 |
www.beisensors.com
These commodities, technology or software if exported from the United States must be in ac-
cordance with the Bureau of Industry, and Security, Export Administration regulations. Diversion
contrary to U.S law is prohibited.
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