MAG incremental

Magnetic encoders

  • Hollow shafts up to approx. Ø 1500 mm and high speeds
  • Bearingless, extremely rugged and nonwearing, contactless scanning
  • Up to 100 000 pulses HTL / TTL
  • Options: Reference pulse, FOC transmitter, overspeed switch, several scanning heads, split pulse wheel, protection covers made of stainless steel or carbon fiber reinforced plastic (CFRP)
Incremental encodersOverspeed switches
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The flexible encoders

The bearingless, magnetic incremental MAG encoder systems are particularly flexible; thanks to the version with pulse wheel and scanning head they offer the highest levels of design freedom. They are suitable for direct attachment to shaft diameters up to approx. 1500 mm. Thanks to their narrow width of just 15 mm they are also particularly suitable for use in confined spaces. The pulse wheel is mounted directly onto the shaft where it also measures high speeds without any difficulty. MAG encoder systems are suitable for harsh operating conditions such as in roll stands, drive shaft assemblies on ships, for motors on excavators in open cast mining, tandem motors as well as gas and water turbines. The module variant with split pulse wheel offers a practical alternative for retrofitting and upgrading purposes or if there is no free shaft end available - with protection covers made of stainless steel or carbon fiber reinforced plastic (CFRP) on request.

Technical Data

AttributeValue
Supply voltage

12-30 VDC (Option 5 VDC)

Signal amplitude

HTL or TTL

Pulse rate

Pulse rates 32 to 100000

Output signals

0° and 90° track, reference pulse, check output and inverted signals

Maximum frequency

Depends on mechanical design / max. 200 kHz

Electrical connection
  • Terminal strip in a terminal box
  • Fixed cable
  • 12-pole round connector Burndy
  • 12-pole round connector M23
  • FOC connector in a terminal box
Construction type / Ø shafts

Hollow shaft / up to approx. Ø 1500 mm

  • Axial tolerance: ±3 mm (offset scanning head/pulse wheel), optional up to ±8 mm
  • Radial tolerance: Up to 2.0 mm (air gap scanning head/pulse wheel)
Device temperature range
  • -40 °C to +100 °C
  • -40 °C to +85 °C (UL/CSA)
Degree of protection

IP66 to IP68

Weight

Size dependent

Device options
  • S: Electronic overspeed switch with switching speed (0.63 to 5600 rpm) set ex-works
  • FOC: Alternative encoder signals via fiber optic cable (50 / 125 μm or 62.5 / 125 μm)
  • Additional magnetic track with reference pulse
Mechanical options
  • One-piece or split pulse wheel
  • Protection covers made of stainless steel (AISI 304) or carbon fiber reinforced plastic (CFRP), also available for split pulse wheels
Special features and certificates

UL/CSA

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