maxon Product Range 2025/26

Encoder HEDL 5540 500 CPT, 3 channels, with line driver RS 422

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

110516

110518

110512

110514

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

Modular system + Motor

+ Gearhead

+ Brake Page

Overall length [mm] / • see Gearhead

Page

Page

RE 25 RE 25 RE 25 RE 25 RE 25

156/158

75.3

• • • • • • • • • • • • • • • • •

156/158 GP 26/GP 32 156/158 KD 32, 1.0 - 4.5 Nm 435 156/158 GP 32, 0.75 - 6.0 Nm 427/429 425/426

156/158 GP 32 S

474–482

RE 25, 20 W 157

63.8

RE 25, 20 W 157 GP 22, 0.5 Nm 419 RE 25, 20 W 157 GP 26/GP 32 425/426 RE 25, 20 W 157 KD 32, 1.0 - 4.5 Nm 435 RE 25, 20 W 157 GP 32, 0.75 - 6.0 Nm 427/429

RE 25, 20 W 157 GP 32 S RE 25, 20 W 157 RE 25, 20 W 157 GP 26/GP 32

474–482

AB 28 587

94.3

425/426 AB 28 587

RE 25, 20 W 157 KD 32, 1.0 - 4.5 Nm 435 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 GP 32 S RE 25, 20 W 158 RE 25, 20 W 158 GP 26/GP 32 RE 25, 20 W 158 KD 32, 1.0 - 4.5 Nm

474–482 AB 28 587 425/426 AB 28 587 435 AB 28 587 AB 28 587 474–482 AB 28 587

105.8

RE 25, 20 W 158 GP 32, 0.75 - 6.0 Nm 427/429 AB 28 587

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

88.8 88.8 •

RE 30, 15 W 159 GP 32, 0.75 - 4.5 Nm 427

RE 30, 60 W 160

• • •

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 GP 32 S RE 35, 90 W 161

474–482

91.7

• • •

RE 35, 90 W 161 GP 32, 0.75 - 8.0 Nm 426–433 RE 35, 90 W 161 GP 42, 3.0 - 15.0 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 426–433 AB 28 587 RE 35, 90 W 161 GP 42, 3.0 - 15.0 Nm 439 AB 28 587

RE 35, 90 W 161 GP 32 S

475–482 AB 28 587

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

Pin allocation

Connection example

5 V ±10% 55 mA DS26LS31 90°e ±45°e

1 N.C. 2 V CC 3 GND 4 N.C.

Line receiver Recommended IC's:

GND V CC

EIA Standard RS 422

- MC 3486 - SN 75175 - AM 26 LS 32

5 Channel A 6 Channel A 7 Channel B 8 Channel B

Channel A

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)

R

180 ns 40 ns 90°e

Channel A

9 Channel I (Index) 10 Channel I (Index) Pin type DIN 41651/ EN 60603-13 flat band cable AWG 28

Channel B

Index pulse width Operating temperature range  Moment of inertia of code wheel  Max. angular acceleration 

R

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

Channel B

Channel I

R

© 2025 maxon. All rights reserved. February edition. Subject to change.  ±20 mA The index signal I is synchronized with channel A or B. Output current per channel 

Channel I

Terminal resistance R = typical 120 Ω

maxon sensor 537

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