ENX 19 IMR Encoder ∅ 19 mm, 128…512 CPT
Key data
IMR 2-channel differential
IMR 3-channel differential
Number of channels Max. counts per turn Encoder length L1 Ambient temperature
2
3
512 6.8
512 6.8
mm °C
-20…+85
-20…+85
Weight
g
8
8
Selection criteria
IMR 2-channel differential
IMR 3-channel differential
Speed and rotation direction detection Speed and position control Compact and robust design
High resolution Cost effective
suitable
suitable to a limited extent
not suitable
Specifications Supply voltage V CC Typical current draw Max. operating frequency
IMR 2-channel differential
IMR 3-channel differential
V
5 ±0.5 320 37 500 10
5 ±0.5 320 37 500 13
mA kHz rpm
Max. Speed Connector
10-pin 2.54 mm multipoint connector (IEC/EN 60603-13 / DIN41651) Pin 1 Motor + Pin 2 V CC Pin 3 GND Pin 4 Motor –
10-pin 2.54 mm multipoint connector (IEC/EN 60603-13 / DIN41651) Pin 1 Motor + Pin 2 V CC Pin 3 GND Pin 4 Motor –
1
1
9
9
2
2
Pin 5 channel A Pin 6 channel A Pin 7 channel B Pin 8 channel B Pin 9 not connected Pin 10 not connected
Pin 5 channel A Pin 6 channel A Pin 7 channel B Pin 8 channel B Pin 9 channel I Pin 10 channel I
10
10
Output signal: EIA-Standard RS 422 Output current per channel: ±20 mA
Output signal: EIA-Standard RS 422 Output current per channel: ±20 mA
Variants
IMR 2-channel differential
IMR 3-channel differential
875504
875505
875506
875511
875512
875513
Part Number Counts per turn Cable length
128 154
256 154
512 154
128 154
256 154
512 154
mm
modular system
Page Dimensions standard version
Notes 1Length given excludes any intermediate plate for mounting on a motor. The effective total length of a motor-encoder combination can be found on the respective dimensional drawing. Maximum permissible cable/plug continuous current: 1.2 A.
M 1:2
DC motor A-max 19
175–178
Further technical details can be found in the product information in the online shop under Downloads.
© 2025 maxon. All rights reserved. February edition. Provisional data. Subject to change.
maxon sensor 503
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