MTS Sensors Temposonics R Series Datasheet

Temposonics
Magnetostrictive, Absolute, Non-contact
Direct Position and Velocity Output
FEATURES
 R-Series Detached Electronics Sensor
 Linear, Absolute Measurement
 Non-Contact Sensing Technology
 Linearity Deviation Less Than 0.02%
 Repeatability Within 0.001%
 Full Range of Outputs: Voltage, Current, SSI, CANbus,
DeviceNet, Profi bus, EtherCAT
 Simultaneous Multi-Position and Velocity Measurements
 LEDs For Sensor Status and Diagnostics
BENEFITS
 Detached Sensor Electronics Provide for the Smallest R-Series
sensor Head
 Allows Isolating the Sensor Electronics From High
Temperatures, High Vibration / Shock, or Other Environmental
Extremes
APPLICATIONS
 Clevis Mount Cylinders Having Minimal Space Available
 High Temperatures or High Vibration / Shock Levels that
Require Remote Mounting of the Sensor Electronics
 Space Limited Applications
TYPICAL INDUSTRIES
 Fluid Power
 Steel Mills
 Material Handling and Packaging
 Woodworking, Metalworking and Assembly Tools
Linear-Position Sensors
R-Series Model RD4
Data Sheet
® and EtherNet/IP
®
Time-based Magnetostrictive position sensing principle
Movable position magnet
Magnetic field encompasses
entire waveguide - generated
by the interrogation pulse
Interrogation
Return wire
Waveguide
Strain-Pulse detector
Bias magnet
Benefi ts of Magnetostriction
Temposonics linear-position
magnetostrictive position sensing principle developed by MTS. 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 moveable permanent
magnet 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 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.
SENS O RS
Document Part Number
551166 Revision A
Magnetic field from
position magnet
Interaction of magnetic
fields causes waveguide to
generate a strain pulse
sensors use the time-based
®