ES20D-37-500-ABZC-28V-V-SM18-S BEI Technologies, Inc., ES20D-37-500-ABZC-28V-V-SM18-S Datasheet

ES20D-37-500-ABZC-28V-V-SM18-S

Manufacturer Part Number

ES20D-37-500-ABZC-28V-V-SM18-S

Description

Environmentally Sealed Incremental Encoder

Manufacturer

BEI Technologies, Inc.

Datasheet

1.ES20D-37-500-ABZC-28V-V-SM18-S.pdf (2 pages)

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The ES20 is a rugged incremental encoder that is environmentally

sealed through the use of a magnetic shaft coupling connection.

This connection allows the encoder to be completely enclosed

and sealed against water ingress. It is rated to IP67 and can

operate while fully immersed in one meter of water for up to 30

minutes. The magnetic coupling also allows the encoder to be

isolated from high shock and vibration, dust tight, and resistant to

debris in the environment. Since the ES20 is not physically

coupled to external equipment, the problem of shaft misalignment

is eliminated, meaning no more broken couplings!

The ES20 is ideal for applications with heavy wash-downs,

temporary water immersions, and excessive environmental

debris. It combines the high accuracy, repeatability and

robustness needed for use in harsh environments and can help

reduce costly downtime of your system.

ES20 Environmentally Sealed Incremental Encoder Ordering Options

Type:

2.00” Diameter

Housing

Environmentally Sealed Incremental Encoder

ES20

Use this diagram, working from left to right, to construct your model number.

Example: ES20D-37-500-ABZC-28V/V-SM18-S (-S: special shaft, diameter/ length, output level or termination)

Housing Config:

D = Square Flange

ES20

Magnetic Hub Bore:

25 = 0.250”

Blank = None

Consult factory for other sizes

Tel:805-968-0782 / 800-350-2727 | Fax: 805-968-3154 / 800-960-2726 | 7230 Hollister Ave., Goleta, CA 93117 |

Cycles per Turn:

See Resolution Table 2

Channels:

ABZC = Dual with Index

and complements

ABC = Dual w/comp.

ABZ = Dual w/index

Specifications

Mechanical

Mating Shaft Diameter: 1/4” and metric versions

Magnetic Coupling Cover: Engineered plastic

Starting Torque: 0.5 oz-in max

Enclosure: Aluminum (sealed aluminum castings)

Maximum RPM: 5000 RPM

Moment of Inertia: 60.2 X 10

Maximum Acceleration: 25,000 rad/s/s

Torsional flexibility: 0.37 deg/oz-in

Kinematic Error: 3 arc-min

W eight: 13 oz

Electrical

Supply Voltage: 5 to 28 VDC available

Voltage/ Output:

28V/V: Line Driver, 5-28 VDC in, Vout = Vin

28V/5: Line Drive, 5-28 VDC in, Vout = 5 VDC

28V/OC: Open Collector, 5-28 VDC in, OC out

Current Requirements: 100 mA typical + output load, 250

mA (max)

Protection Level: reverse, overvoltage and output short

circuit

Code: Incremental

Output Format: 2 Channels in quadrature, with gated index

and complementary outputs.

Cycles per Shaft Turn: 1 to 1,024 (See Table 1)

Frequency Response: 100 KHz

O utput Terminations: (See Table 2)

Environmental

Temperature: Operating, 0° to 70°C; storage (non-operating),

-25° to 90°C. Consult factory for extended temperature

ratings.

Shock: 25 g’s for 11 msec duration

Vibration: 5 to 2000 Hz @ 10 g’s

Humidity: 100% RH with condensation

Enclosure Rating: IP67 / IP68 (Consult factory for IP68

applications)

Voltage/Output

28V/V = 28 V in/out

28V/5 = 28 V in/5 out

28V/OC = 5-28Vin / OC out

Output Location:

S = Side

For assistance, call 800-350-2727

RMS

-4

oz-in-sec

Output Termination:

M18 = MS3102R18-1P

M16 = MS3102R16-1P

M18 = MS3102R18-1P

Specification No. 924-02106-001

Special Features:

Consult Factory

www.beiied.com

Rev 0809

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ES20D-37-500-ABZC-28V-V-SM18-S Summary of contents

Page 1

... ES20 Environmentally Sealed Incremental Encoder Ordering Options Use this diagram, working from left to right, to construct your model number. Example: ES20D-37-500-ABZC-28V/V-SM18-S (-S: special shaft, diameter/ length, output level or termination) ES20 D Type: Magnetic Hub Bore: 2.00” ...

Page 2

Table 1: Resolutions 100 105 360 400 410 500 510 *No index. Table 2: Output Terminations M18 Connector PIN Channel --- F 0V ...

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