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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

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

revs (50,000 hrs at 2500 RPM)

Maximum RPM:

6,000 RPM (see Frequency Response below)

Moment of Inertia:

0.019 oz-in-sec

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

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.

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.

WIRE COLOR

(22AWG)

YEL

BLUE

ORN

W-Yel

W-Blu

W-Orn

RED

BLK

GRN

WHITE

DA 15P

CONNECTOR

M18 CONNECTOR

CHANNEL

—

M12 CONNECTOR

CHANNEL

—

Figure 1

Output Waveform

1 CYCLE

90 Deg.

Notes

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.

Non-standard index widths and multiple indices are

available by special order. Consult factory.

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

). 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.

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.

Higher frequency response may be available. Please

consult with the factory.

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.

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

M16 CONNECTOR

CHANNELS DESIGNATED IN MODEL NO.

ABZ

—

ABC

CCW Rotation Viewing Face

+V (SUPPLY VOLTAGE)

0 V (CIRCUIT COMMON)

CASE GROUND (CG) (except H20)

CHANNELS DESIGNATED IN MODEL NO.

ABZ

—

ABC

—

+V (SUPPLY VOLTAGE)

0 V (CIRCUIT COMMON)

CASE GROUND (CG) (except H20)

SHIELD DRAIN (Shielded Cable Only)

ABZC

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.