Sealed Encoder : Small, Powerful Shielded Encoder with Cable

DS-58

The Netzer DS-58 Absolute Rotary Encoder offers exceptional accuracy (0.008 degrees) and 22-bit resolution, making it one of the most precise solutions in the industry. Designed for aerospace, defense, and precision automation, the DS-58’s contactless capacitive technology eliminates mechanical wear, ensuring long-lasting reliability.

Its hollow, low-inertia structure reduces system weight while improving dynamic response, setting a new standard for high-performance motion control.

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Features

22-bit resolution for high-accuracy positioning
Exceptional tolerance to electromagnetic and radio interference
Hollow shaft architecture for reduced system inertia
Long lifespan with optimized temperature drift compensation
Lightweight design for minimal system impact

Unique Values

Immunity to Magnetic
Hollow Shaft
High precision
MTBF 15

OD

58 mm
ID

20 mm
Height

10 mm
Weight

30 gr
Resolution

18-22 bit
Accuracy

±0.008˚

Technical Data

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General

Angular resolution 18-22 bit
Nominal position accuracy ±0.010°
Nominal position extended accuracy (EA) ±0.008°
Repeatability 1.4 mdeg / 4.9 Arcsec
Maximum operational speed 4,000 rpm
Measurement range Single Turn Absolute with optional shaft turn counter
Built In Test BIT Optional
Rotation direction Adjustable CW/CCW (Default same direction from bottom side of the encoder)

Mechanical

Allowable mounting eccentricity ±0.1 mm
Allowable axial mounting tolerance ±0.1 mm
Rotor inertia 684 gr · mm²
Total weight 30 gr
Outer diameter / Inner diameter / Profile 58 / 20 /10 mm
Material (stator / rotor) Ultem™ polymer / TRVX-50

Electrical

Supply voltage 5V ±5%
Current consumption ~90 mA
Interconnection Shielded cable
Communication SSi / BiSS-C
Output code Binary
Serial output Differential RS-422
Clock frequency 0.1- 5.0 MHz
Position update rate 35 kHz (Optional - up to 375 kHz)

Environmental

EMC IEC 6100-6-2, IEC 6100- 6-4
Operating temperature -40°C to +85°C
Storage temperature -50°C to +85°C
Relative humidity 98% Non condensing
Shock endurance / functional 100 g for 11 ms
Vibration functional 20 g 10 - 2000 Hz (per MIL-STD-810G)
Protection IP 40

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OD
- 16 mm (ID - 4 mm)
- 25 mm (ID - 6 mm)
- 37 mm (ID - 10 mm)
- 40 mm (ID - 10 mm)
- 58 mm (ID - 20 mm)
- 70 mm (ID - 30 mm)
- 90 mm (ID - 50 mm)
- 130 mm (ID - 90 mm)
Communication
- BiSS
- SSi
Resolution
- 16 bit
- 17 bit
- 18 bit
- 19 bit
- 20 bit
- 21 bit
- 22 bit
- 23 bit
BIT
- Disabled
- Enabled
Cable Type
- Jacket and shielded cable
- Shielded cable
- Wires only
Cable Length
- 250 mm Flying leads - 30AWG
- 500 mm Flying leads - 30AWG
- 750 mm Flying leads - 30AWG
- 1000 mm Flying leads - 30AWG
- 250 mm Flying leads - 28AWG
- 500 mm Flying leads - 28AWG
- 750 mm Flying leads - 28AWG
- 1000 mm Flying leads - 28AWG
Extended Accuracy
- Enabled
- Disabled