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and B, and I and I for three
channel versions. Suggested line
receivers are 26C32 and 26C33.
The quadrature signals are ac-
cessed through a cable and 10-pin
female connector. Please refer to
the ordering information at the end
of this data sheet for a selection
matrix.
Applications
The HEDS-65xx / HEDL-65xx
provide motion detection to a
very high resolution and accept a
variety of shaft sizes up to a
maximum of 5/8 inches.
Description
The HEDS-65xx/HEDL-65xx
are high performance two and three
channel optical incremental
encoders. These encoders empha-
size high reliability, high resolution,
and easy assembly. Each encoder
contains a lensed LED source
(emitter), an integrated circuit with
detectors and output circuitry, and a
codewheel which rotates between
the emitter and detector integrated
circuit. The outputs of the HEDS-
6500 are two single ended square
waves in quadrature. The HEDL-
65xx outputs are differential.
have a third channel index output in
addition to the two quadrature