BEI Sensors ES25 Incremental Encoder User Manual

Es25

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Tel:805-968-0782 / 800-350-2727 | F

805-968-3154 / 800-960-2726

7230 Hollister Ave., Goleta, CA 93117 |

www.beisensors.com

ax:

Specification No. 02104-001 Rev. 06/11

ES25

Mechanical

Mating Shaft Diameter: 1/4” and metric version

ineered plastic

s

Magnetic Coupling Cover: Eng

Starting Torque: 0.5 oz-in max

d aluminum castings)

Enclosure: Aluminum (seale

Maximum RPM: 5000 RPM

-4

2

Moment of Inertia: 62.3 X 10 oz-in-sec

/s/s

Maximum Acceleration: 24,000 rad

eg/ z-in

Torsional flexibility: 0.37 d

o

ic Error: 3 arc-min

RMS

Kinemat

eight:

18 oz

W

Electrical

Supply Voltage: 5 to 28 VDC available

Voltage/ Output:
28V/V: Line Driver, 5-28 VDC in, V out = V in
28V/5: Line Drive, 5-28 VDC in, V out = 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 ½ cycle index
gated with negative B channel

Cycles per Shaft Turn: 1 to 2,048 (See Table 1)

Frequency Response: 100 KHz

utput Terminations: (See Table 2)

O

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

pplications)

a

Environmentally Sealed Incremental Encoder

ES25 Environmentally Sealed Incremental Encoder Ordering Options

For assistance, call 800-350-2727

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

Example

: ES25D-37-500-ABZC-28V/V-SM18-S (-S: special shaft, diameter/ length, output level or termination)

ES25

S

Type:
2.50” Diameter
Housing

Cycles per Turn:
See Resolution Table 2

Channels:
ABZC = Dual with Index
and complements

ABC = Dual w/comp.
ABZ = Dual w/index

Special Feature
Consult Factory

s:

Output Termination:
M14 = MS3102R14-1P
M16 = MS3102R16-1P
M18 = MS3102R18-1P

Voltage/Output
28V/V = 28 V in/out
28V/5 = 28 V in/5 out
28V/OC = 5-28Vin / OC out

Specifications

The

ES25 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 isolates the encoder from
external equipment, protecting it from high shock, vibration and
environmental debris. Since the ES25 is not physically coupled to
external equipment, the problem of shaft misalignment is
eliminated, meaning no more broken couplings!
The ES25 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.

S

Output L
S = Side

ocation:

D

Housing Config:
D = Square Flange

Magnetic Hub Bore:
25 = 0.250”

lank = None

B

Consult factory for other sizes

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