MAG (one-piece pulse wheel)

MAG 200, hollow shaft Ø to 140 mm
MAG 320, hollow shaft Ø to 250 mm
MAG 400, hollow shaft Ø to 340 mm
MAG 480, hollow shaft Ø to 415 mm
MAG 1200, hollow shaft Ø to 1000 mm

Magnetic encoder Type MAG 160...1200

Magnetic encoder without own integrated bearings

Field of application e.g.:

  • Drive shafts for ships
  • Motors for open-pit shovels
  • Shaft connections between tandem test stand motors
  • Gas and water turbines
  • Motors/generators with large shaft diameters
  • Particularly suitable for retrofitting utilizing split constructions (optional)

Advantages:

Magnetic scanning principle

  • Resistant to normal soiling
  • Considerable air gap and axial shifting possible (e.g. necessary for moveable bearing end of motor)

Without integrated bearings

  • Large hollow shaft diameter possible
  • Wear-free
  • No heating
  • Low noise
  • More cost-effective than hollow shaft encoders with integrated bearings

1 = Basic channel

2 = Reference pulse

3 = Protects magnetic track: wrapping

Type overview:

Type Max. hollow shaft Pulse rates
MAG 160 100 mm 100, 200, 300 ... 1000
MAG 200 140 mm 128, 256 ... 1024
MAG 240 175 mm 150, 300, 450 ... 1500
MAG 320 250 mm 200, 400, 600 ... 2000
MAG 400-250 340 mm 250, 500, 750 ... 2500
MAG 480 415 mm 300, 600, 900 ... 3000
... ... ...
MAG 1200 max. 1000 mm

Electrical Data:

Pulse rates: see table (square pulses)
Supply voltage: 12...30 V DC
No-load current consumption: approx. 50 mA
Max. frequenzy: 100 kHz
Temperature range: -40°C ... +85°C
Output signals:

0°-signal (A) and inverted signal (Ā)

90°-signal (B) and inverted signal

Reference pulse (N) and inverted signal

Error output (ERR) and inverted signal

Signal amplitudes: HTL (corresponds approx. power supply voltage)
Output current: 60 mA
Pulse duty factor: 1:1 ± 5% (up to interpolation factor 16)
Phase displacement A, B:

90° ± 10° (up to interpolation factor 16)

 

Electrical connections:

  • Large terminal box, 10-pole spring cage connector board
  • EMC cable gland for cable Ø 9...13 mm
  • Connection possible on both ends of the scanning head
  • Connection diagram PN 109-400

 
Option:

12-pole Burndy plug

Fibre-optics signal transmission

Mechanical data:

Mechanical construction: centering matched to the customer shaft
Dimension drawing: on request
Degree of protection: IP66 ... IP68 (EN 60529)
dependent on the kind of connection
Axial tolerance: ± 3 mm
(Shift - rotor pole/scanning head)
Radial tolerance: 0,2...2,0 mm
(Air gap - rotor pole/scanning head)

IDEAS AND SOLUTIONS

INDUSTRY: Steel and rolling mills

FIELD: Cold rolling mills

APPLICATION: Measuring roll

Refinements to processing techniques implemented by users of steel and sheet metal as well as greater demands on finished products are leading to increasingly higher demands being placed on the mechanical-technological characteristics and precision in cold rolling mills. As a consequence they are equipped with state-of-the art control systems. more

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NEWS MAG