Technical Articles & News

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Technical Articles (Page 18)

Absolute vs. Incremental: Why Zero Position Survives Power Loss

Absolute vs. Incremental: Why Zero Position Survives Power Loss

Power cut? An incremental encoder must re-home; a magnetostrictive displacement sensor need not, because torsion-wave timing holds absolute position.

Magnetostrictive Sensor Accuracy: Resolution, Repeatability, Linearity

Magnetostrictive Sensor Accuracy: Resolution, Repeatability, Linearity

Three accuracy terms on a magnetostrictive displacement sensor: smallest step, scatter to a point and full-stroke deviation are not the same number.

Installing a Magnetostrictive Displacement Sensor: Magnet, Zero, Noise

Installing a Magnetostrictive Displacement Sensor: Magnet, Zero, Noise

Wild readings come from mounting, not failure. On a magnetostrictive displacement sensor, set magnet coaxiality, two-point zero, screened earthing.

Troubleshooting Magnetostrictive Displacement Sensors: Inaccurate Readings, Jumps, No Output

Troubleshooting Magnetostrictive Displacement Sensors: Inaccurate Readings, Jumps, No Output

No output, jumps or offset on a magnetostrictive displacement sensor? Check the 20.4-28.8 V supply and polarity, then magnet coaxiality and zero.

Magnetostrictive Sensors in Hydraulic Cylinder Position Control

Magnetostrictive Sensors in Hydraulic Cylinder Position Control

Injection molding means long strokes, hot oil. Pick in-cylinder versus external magnetostrictive displacement sensors for 0.5-3 m, 12.7 mm bores.

Magnetostrictive vs. LVDT vs. Potentiometer: Selection Criteria

Magnetostrictive vs. LVDT vs. Potentiometer: Selection Criteria

Magnetostrictive displacement sensor vs LVDT vs potentiometer: brushes wear, LVDTs fit under 300 mm, while this one runs 50 mm to metres non-contact.

Magnetostrictive Displacement Sensor: How Position Is Measured

Magnetostrictive Displacement Sensor: How Position Is Measured

How a magnetostrictive displacement sensor reads position: waveguide, ring and head split magnetostriction from Wiedemann near 2830 m/s.

Magnetostrictive Sensor Output: 4-20 mA Analog or CANopen Fieldbus

Magnetostrictive Sensor Output: 4-20 mA Analog or CANopen Fieldbus

Analog or fieldbus for a magnetostrictive displacement sensor? Pick by PLC interface, axis count and diagnostics, drawing the 4-20 mA vs CANopen line.

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