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Features

THK4 is a Ø36mm multiturn encoder with CANopen interface :

  • Compact and robust design.
  • Blind shaft Ø 6 mm version.
  • Precision sealed bearings.
  • High temperature performance –30°C to 70°C.
  • Hall effect technology.
  • Multiturn encoding based on magnetic pulse counter. No batteries used.
  • CANopen interface, binary code.
  • 12 bits resolution = 4096 steps / turn.
  • Number of turns : 13 bits = 8192 turns.
  • Polarity inversions and surges protections.
  • High integration SMD technology.

Specifications

Interface According to ISO 11898
Transmission Max 1 MBauds
Internal cycle time <600 µs
Supply 10 – 30Vdc
Consumption max 0,5W
Accuracy +/- 1,5°
EMC EN 61000-6-4 EN 61000-6-2
Electrical life-time > 105 h
Material Cover: nickel-plated steel
Body: aluminium
Blind shaft: stainless steel
Maximal loads Axial : 40 N, Radial : 110 N
Shaft inertia ≤ 30 g.cm2
Torque ≤ 3 N.cm
Max. speed (continuous) 12 000 rpm
Shocks (EN 60068-2-27) ≤ 100 g (demi-sinus, 6 ms)
Shocks (EN 60028-2-29) ≤ 10 g (demi-sinus, 16ms)
Vibrations (EN 60068-2-6) ≤ 10 g (10Hz... 1 000Hz)
Weight (approx.) 150 g
Operating temperature - 30 ... + 70°C
Storage temperature - 30 ... + 70°C
Relative humidity 98 % without condensation
Protection grade IP54