FEATURES
• Compact, Robust, Economical
• Up to 256 Pulses Per Revolution (PPR) in
a 1” Square Sealed Package
• Bearing Model for High Operating
Speeds
• New Low Profile Housing Style and
Tachometer Output Available
The 900 Series offers a full line of low cost, rugged
optical encoders with incremental output. Well suited
for industrial motion and position sensing, their low
profile and high resolution also make them ideal for
panel mounted applications. A two-channel
quadrature code allows the encoder to detect the
direction and magnitude of the input motion applied
to its shaft.
Available in this family of encoders is a new low
profile package with internal bearings and integrated
mounting holes.
Also new to the 900 Series is a high resolution
tachometer style with single channel output. This style
is particularly appropriate for applications involving
ticket dispensing, card reading, or any speed-sensing
function.
Up to 256 pulses per revolution (PPR) are available
in a 1” square package. Working with standard
decoding logic provided by the user’s application
software, the device produces 1024 changes of state
per revolution with full quadrature decoding. Output
is completely compatible with TTL circuitry, permitting
entry of digital data without the cost of A/D
conversion. Onboard Schmitt trigger circuitry
produces crisp square wave output.
A sealed metal housing along with available die
cast or stainless steel shaft ensure strength and
accuracy in harsh environments. The semi-
conductor-based LED optical technology provides
longer life and higher reliability than mechanical
encoders or switches. Small in size, the encoder
adapts well to new or retrofit applications. Output
terminations available to match industry standard 4
or 5 pin configurations. This encoder may be directly
coupled to a motor, gear, or axle. The threaded
bushing allows easy system integration for these as
well as panel mounted applications.
900
APPLICATIONS
INPUT DEVICES
SERIES
OPTICAL
ENCODERS
MOBILE SENSING / CONTROL
Motion and direction are sensed through
encoder’s shaft and sent directly to
microprocessor.
MOTOR CONTROL DEVICES
Control of motor circuits is accomplished
by linking encoder to motor shaft.
FLOW CONTROL DEVICES
Fluid flow can be metered by the encoder,
attached to displacement, turbine and
other styles of meters and pumps.
Panel mounted, the device is used as a
low to high resolution input device for test
and measurement, medical, and
instrumentation of all varieties.
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