maxon Product Range 2025/26

Encoder HEDS 5540 500 CPT, 3 channels

Cycle C = 360°e

Pulse P = 180°e

U High U Low U High U Low U High U Low

Channel A

90°e

Phase shift

Channel B

Channel I

(Index)

s 3

s 4

s 1

s ∆ 45°e < s 2 s = 90°e 1..4

Direction of rotation cw (definition cw p. 90)

Stock program Standard program Special program (on request) Counts per turn Number of channels Max. operating frequency (kHz) Max. speed (rpm) Shaft diameter (mm)

Part numbers

110511

110513

110515

110517

Type

500 100 3

500 100 3

500 100 3

500 100 3

12 000

12 000

12 000

12 000

3

4

6

8

overall length

overall length

Modular system + Motor

+ Gearhead

+ Brake Page

Page

Page

Overall length [mm] / • see Gearhead

RE 25 RE 25 RE 25 RE 25 RE 25

156/158

75.3

156/158 GP 26, 0.75 - 4.5 Nm 425 156/158 GP 32, 0.75 - 6.0 Nm 426-429 156/158 KD 32, 1.0 - 4.5 Nm 435

• • • • • • • • • • • • • • • • • • • • • • •

156/158 GP 32 S

474-482 425/426

RE 25, 20 W 157

63.8

RE 25, 20 W 157 GP 26/GP 32 RE 25, 20 W 157 GP 32, 0.75 - 6.0 Nm 427/429 RE 25, 20 W 157 KD 32, 1.0 - 4.5 Nm 435 RE 25, 20 W 157 GP 32 S RE 25, 20 W 157 GP 22, 0.5 Nm 419 474-482 RE 25, 20 W 157

AB 28 587

94.3

RE 25, 20 W 157 GP 26, 0.75 - 4.5 Nm 425 AB 28 587 RE 25, 20 W 157 GP 32, 0.75 - 4.5 Nm 426 AB 28 587 RE 25, 20 W 157 GP 32, 0.75 - 6.0 Nm 427/429 AB 28 587 RE 25, 20 W 157 KD 32, 1.0 - 4.5 Nm 435 AB 28 587 RE 25, 20 W 158 GP 26, 0.75 - 4.5 Nm 425 AB 28 587 RE 25, 20 W 158 GP 32, 0.75 - 6.0 Nm 426-429 AB 28 587 RE 25, 20 W 158 KD 32, 1.0 - 4.5 Nm 435 AB 28 587 RE 25, 20 W 157 GP 32 S RE 25, 20 W 158 474-482 AB 28 587 AB 28 587

105.8

RE 25, 20 W 158 GP 32 S RE 30, 15 W 159

474-482 AB 28 587

88.8

RE 30, 15 W 159 GP 32, 0.75 - 4.5 Nm 427 RE 30, 60 W 160 GP 32, 0.75 - 6.0 Nm 426-431 RE 30, 60 W 160 KD 32, 1.0 - 4.5 Nm 435 RE 30, 60 W 160

RE 30, 60 W 160 GP 32 S RE 35, 90 W 161

474-482

91.7

RE 35, 90 W 161 GP 32, 0.75 - 8.0 Nm 426-432 RE 35, 90 W 161 GP 42, 3.0 - 15 Nm 439

• • •

RE 35, 90 W 161 GP 32 S RE 35, 90 W 161

474-482

AB 28 587

124.3

RE 35, 90 W 161 GP 32, 0.75 - 8.0 Nm 426-432 AB 28 587 RE 35, 90 W 161 GP 42, 3.0 - 15 Nm 439 AB 28 587

• • •

RE 35, 90 W 161 GP 32 S

474-482 AB 28 587

Technical data Supply voltage V CC  Typical current draw Output signal Phase shift Φ 

Pin allocation

Connection example

5 V ±10% 55 mA 90°e ±45°e

Encoder Description

Pin no. from 3409.506

Channel A Channel B Channel I

Pin 3 Pin 5 Pin 2

TTL compatible

Pin 5 Pin 4 Pin 3 Pin 2 Pin 1

Channel B Channel A Channel I V CC

1 2 3 4 5

TTL

Signal rise time (typically, at C L = 25 pF, R L = 2.7 k Ω , 25 °C) Signal fall time (typically, at C L = 25 pF, R L = 2.7 k Ω , 25 °C) Index pulse width (nominal)  Operating temperature range 

180 ns 40 ns 90°e

GND

R pull-up 3.3 k

-40…+100 °C ≤ 0.6 gcm 2 250 000 rad s -2

V CC 5VDC

Moment of inertia of code wheel  Max. angular acceleration  Output current per channel 

Pin 4 Pin 1

© 2025 maxon. All rights reserved. February edition. Subject to change.  min. -1 mA, max. 5 mA The index signal I is synchronized with channel A or B.

GND

Ambient temperature range J U = 25 °C

maxon sensor 535

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