• Case diameter 18 mm
  • Resolution up to 1 600 pulses per revolution
Micro Encoder ES 181

Micro Encoder ES 181

Optical incremental shaft encoder, Micro size for industrial use

Resolution

Resolution (Pulses/Revolution):
100 160 200 300
360 400 500 800
1000 1024 1600

Type explanation

ES 181-3-500-05-C
Encoder type Incremental
Flange diameter ø 18 mm
Case diameter ø 18 mm
Number of channels 3 = A + B + M
6 = AA + BB + MM
Supply voltage 05 = 5 VDC ±10%
12 = 12 VDC ±10%
Output driver D-RS422
C
Shaft diameter ø 2.5 mm

Technical data

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Mechanical data
Rotational speed ≤ 6000 min-1
Torque ≤ 0,01 Ncm (20°C)
Breakaway torque ≤ 0,05 Ncm
Moment of inertia 0,1 g cm2
shaft loading ≤ 2 N radial
≤ 2 N axial
Angular acceleration ≤ 104 rad/sec2
Operational life of ball bearings > 2 x 105 h (100 min-1)
Weight 0,02 kg
Environmental conditions
Vibration 150 ms-2 (50 Hz / 1h)
Shock 490 ms-2 (11 ms)
Operating temperature -10 ... +70°C
Storage temperature -30 ... +80°C
Atmospheric humidity ≤ 85% r.h.
Protection class IP 50 (DIN 40050/IEC 144)
Electrical data
Scanning type Optical, without contact
Transmitter, infrared LED
Receiver Photo-Transistor
Supply voltage Vcc = 5 VDC ±10%
Vcc = 12 VDC ±10%
Power consumtion 50 mA max.
Output frequency ≤ 50 kHz
Signal level Low < 0,5 V (20 mA)
Load capacity of the outputs 20 mA
Dielectric strength of outputs +50 V

Cable 3 channels
Wire colourSignal
Brown Vcc
Red 0V
Orange Sig A
Yellow Sig B
Green Sig C
Cable 6 channels
Wire colourSignal
Brown Vcc
Red 0V
Orange Sig A
Yellow Sig Ā
Green Sig B
Blue Sig B̄
Violet Sig Z
Grey Sig Z̄
N.C. N.C.

Output driver

Micro Encoder ES 181
Micro Encoder ES 181

Output channels / Output signals

Micro Encoder ES 181

Outline drawing

Micro Encoder ES 181

Version E 503A-209 · Subject to change

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