Incremental rotary encoder EI22A-S1

magneticdigital outputstainless steel

Product name
EI22A-S1

Overview
Magnetic incremental encoder, economy series with push-pull digital output and optional servo mounting. Available with single pair of precision ball bearings and configurable pulse counts up to 4096 ppr.

Key features

• Magnetic sensing technology
• Configurable PPR up to 4096
• Single pair of precision ball bearings
• Push-pull output stage
• Servo-mount option for direct coupling

Technical specifications (summary)

• Protection degree: IP54
• Operating torque: 1 mN·m (typical)
• Maximum rotation speed: 6000 rpm
• Life expectancy: approx. 100,000,000 revs
• Mass: approx. 18 g
• Housing material: anodized aluminium alloy
• Shaft material: stainless steel

Environmental specifications (summary)

• Operating temperature range: -40°C to +125°C
• Storage temperature range: -40°C to +125°C

General electrical specifications (summary)

• Standard model: EI22A-S1
• Supply voltage: 3.3 V – 5 V
• Output high level: 2.9 – 5 V
• Output low level: ≤ 0.5 V
• Output type: Push-pull
• Number of output pulses: up to 4096 ppr
• Mechanical angle: 360° (endless)
• Output propagation delay: ≈ 10 µs
• No-load current consumption: ≈ 30 mA
• Insulation resistance: ≥ 1000 MΩ (500 V DC)
• Dielectric strength: 1 min at 500 V AC
• EMS immunity: 10 V/m (80 MHz–1 GHz, 1 kHz sine-wave, 80% AM)
• ESD immunity: 8 kV contact, 15 kV air (IEC 61000-4-2)

Special specifications available

• Special shaft options: bespoke length, diameter or machining (slot, flat, etc.)