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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