MTS Sensors Temposonics R Series Datasheet

Temposonics
Magnetostrictive Linear-Position Sensors
R-Series Models RP and RH
EtherNet/IP Industrial Ethernet Interface
™
Model RP Profile-style position sensor
FEATURES
„ Linear, Absolute Measurement
„ LEDs For Sensor Diagnostics
„ Superior Accuracy, Resolution down to 1 µm
„ Non-Contact Sensing Technology
„ Linearity Less Than 0.01 %
„ Repeatability Within 0.001 %
„ Direct EtherNet/IP™ Interface, Position + Velocity
BENEFITS
„ Rugged Industrial Sensor
„ Position + Velocity Measurements For Up to 20 Magnets
APPLICATIONS
„ Continuous Operation In Harsh Industrial Conditions
„ High Pressure Conditions
„ For Accurate, Simultaneous Multi-Position
and Velocity Measurements
TYPICAL INDUSTRIES
„ Factory Automation
„ Fluid Power
„ Plastic Injection and Blow Molding
„ Material Handling and Packaging
EtherNet/IP™ is a trademark used under license by ODVA.
ODVA CONFORMANT™ is a certification mark of ODVA.
®
Data Sheet
Model RH Rod-style position sensor
Time-based Magnetostrictive position sensing principle
Magnetic field encompasses
entire waveguide - generated
by the interrogation pulse
Interrogation
Return wire
Waveguide
Strain-Pulse detector
Bias magnet
Benefits of Magnetostriction
Temposonics
strictive position sensing principle developed by MTS Sensors. Within
the sensing element, a sonic-strain pulse is induced in a specially
designed magnetostrictive waveguide by the momentary interaction of
two magnetic fields. One field comes from a movable permanent mag-
net that passes along the outside of the sensor. The other field comes
from an "interrogation" current pulse applied along the waveguide.
The resulting strain pulse travels at sonic speed along the waveguide
and is detected at the head of the sensing element.
The position of the magnet is determined with high precision and
speed by accurately measuring the elapsed time between the applica-
tion of the interrogation pulse and the arrival of the resulting strain
pulse with a high-speed counter. The elapsed time measurement is
directly proportional to the position of the permanent magnet and is
an absolute value. Therefore, the sensor's output signal corresponds
to absolute position, instead of incremental, and never requires
recalibration or re-homing after a power loss. Absolute, non-contact
sensing eliminates wear, and guarantees the best durability and output
repeatability.
All specifications are subject to change. Contact MTS Sensors for
specifications and engineering drawings that are critical to your application.
Drawings contained in this document are for reference only.
Go to http://www.mtssensors.com for the latest support documentation and
related media.
Document Part Number
Movable position magnet
®
linear-position sensors use the time-based magneto-
551253 Revision C
Magnetic field from
position magnet
Interaction of magnetic
fields causes waveguide to
generate a strain pulse