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BEI Sensors H25 Shafted Incremental Encoder User Manual

Omnicoder, Model h25, Omnicoder model h25 ordering options

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www.beisensors.com

Specification No.02126-001 Rev. 02-14

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.

Omnicoder

®

Model H25

®

The Omnicoder features a patented dynamic encoder resolution capability that allows users to easily
program the encoder resolution to any value between 1 and 10,000 counts per turn. Packaged in
BEI’s flagship Model H25

®

incremental encoder, the Omnicoder allows for virtually unlimited resolution

variations.

Using the simple programming interface software and USB interface cable, users can program
the encoder resolution on site as needed. In the software, type the encoder resolution and click
‘Program’. A new resolution is now programmed. It’s that easy!

With the Omnicoder, resolution can be programmed and reprogrammed at any time by the user.
For users with multiple resolution requirements, Omnicoders can be kept in stock and programmed
as needed.

Mechanical Specifications

Shaft Diameter: 3/8” (1/2”as special feature)
Flat On Shaft: 3/8” Shaft: 0.80 long X 0.03” deep;

1/2” Shaft: 0.80 long X 0.04” deep
Shaft Loading: 3/8” shaft: Up to 40 pounds axial and 35

pounds radial; 1/2” shaft: Up to 90 pounds axial and 80 pounds

radial
Shaft Runout: 0.0005 T.I.R. at midpoint regardless of

shaft diameter
Starting Torque at 25°C: Without shaft seal 1.0 in-oz (max);

With shaft seal 2.5 in-oz (max); 1/2” shaft with shaft seal:

3.5 in-oz (max)
Bearings: Class ABEC 7 standard, ABEC 5 for 1/2” shaft
Shaft Material: 416 stainless steel
Bearing Housing: Die cast aluminum with protective finish;

stainless steel (special feature)
Cover: Die cast aluminum; stainless steel (special feature)
Bearing Life: 2 X 10

8

revs (1300 hrs at 2500 RPM)

at rated load 1 X 10

10

revs (67,000 hrs at 2500 RPM) at

10% of rated load

Maximum RPM: 12,000 RPM nominal, 8000 RPM with

1/2” shaft (see Frequency Response, below) 30,000 RPM

available on units with 3/8” shaft—consult with factory
Moment of Inertia: 4.1 X 10

-4

oz-in-sec

2

; 5.2 X 10

-4

oz-in-sec

2

with 1/2” shaft

Weight: 13 oz typical, 14.5 oz typical with 1/2” shaft

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 10,000 reprogrammable

resolutions. Place “OMNI” in resolution option box.
Supply Voltage: 5 to 28 VDC available
Current Requirements: 140 mA typical + output load, 290 mA

(max).
Voltage/Output: (see note 5)

28V/V: Line Driver, 5–28 VDC in, Vout = Vin
Protection Level: Reverse, overvoltage and output short circuit

(see note 5)

Frequency Response: Max RPM of 3,000.
Output Terminations: M18
Note: Consult factory for other electrical options

Environmental Specifications

Enclosure Rating: NEMA 4 & 13 (IP 66) when ordered with

shaft seal (on units with an MS connector) or a cable gland

(on units with cable termination).
Temperature: Operating, 0º to 70º C; extended temperature

testing 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.

SPECIAL

FEATURES:

S = Special

features

specified on

purchase

order

(consult

factory)

See

note 4

TYPE:

H = Heavy Duty

25 = 2.500” Dia.

CYCLES PER TURN:

OMNI = Omnicoder

reprogrammable resolution,

select 1 to 10,000 integer CPT

COMPLEMENTS

C = Complementary

Outputs

OUTPUT

TERMINATION:

M18 =MS3102R18-1P

See table 1 & note 6

VOLTAGE/OUTPUT:

28V/V = 5–28Vin/out

See note 3

OUTPUT TERMINATION

LOCATION:

S = Side

HOUSING CONFIG.

LETTER:

D=Square Flange

E=2.50 Dia. Servo Mount

G=2.62 Dia. Servo Mount

See dimensions

OPTIONAL

FACE MOUNTS
F1, F2, F3, or F4

Blank = None

See note 1

SHAFT SEAL

CONFIGURATION:

SS = Shaft Seal

(Not avail. on H25G)

Blank = Shielded Bearing

See note 2

NO. OF CHANNELS:

ABZ = Dual with Index

H25

The Omnicoder Model H25 Incremental Encoder is available with the following certification:

EN 55011 and EN 61000-6-2

Omnicoder Model H25 Ordering Options

for assistance call 800-350-2727

Use this diagram, working from left to right to construct your model number (example:

H25D-SS-OMNI-ABZC-28V/V-SM18).

All notes and tables referred to in the text

can be found on the back of this page.