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PDF HEDS-65xx Data sheet ( Hoja de datos )
| Número de pieza | HEDS-65xx | |
| Descripción | Housed Two and Three Channel Optical Enco | |
| Fabricantes | Hewlett-Packard | |
| Logotipo |  |
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Large Diameter (56 mm),
Housed Two and Three
Channel Optical Encoders
Technical Data
HEDL-65xx
HEDM-65xx
HEDS-65xx Series
Features:
• Two Channel Quadrature
Output with Optional
Index Pulse
• TTL Compatible Single Ended
Outputs on HEDS Series
• 100°C Operating Temperature
• Industry Standard 26C31
CMOS Line Driver IC on
HEDL Series
• Easy Assembly, No Signal
Adjustment Necessary
• Resolutions up to 2048 Counts
Per Revolution
• Maximum Shaft Diameter
of 5/8 Inches
• Single +5 V Supply
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.
outputs. This index is an active
high pulse that occurs once every
full rotation of the codewheel.
Resolutions up to 1024 Counts Per
Revolution are available in the two
and three channel versions.
The line driver option offers
enhanced performance when the
encoder is used in noisy environ-
ments, or when it is required to
drive long distances.
The line driver option utilizes an
industry standard line driver IC
(26C31) which provides comple-
mentary outputs for each encoder
channel. Thus the outputs of
line
and
dB–r,ivaenrdeInacnodde–Ir
are A and
for three
t–Ah,eB
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.
The HEDS-6540 / HEDL-6540 also
have a third channel index output in
addition to the two quadrature
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.
1 page  
Output Waveforms
CH A
OUTPUT
C
P
PHASE
S1 S2 S3 S4
CH B
OUTPUT
CH I
OUTPUT
I1 I2
P0
ROTATION
Waveforms for Encoders without Line Drivers.
5
2.4 V
0.4 V
2.4 V
0.4 V
2.4 V
0.4 V
A
A
B
B
I
I
Waveforms for Encoders with Line Drivers.
(Meets all requirements of EIA-422.)
5 Page 
11
3
LOCATE ENCODER BASEPLATE
CHOOSE CENTERING CYLINDER OR UNDERSIDE LOCATING PINS.
CENTERING CYLINDER: LOCATE ENCODER BASEPLATE WITH
CENTERING CYLINDER. WHEN IN PLACE, TIGHTEN MOUNTING SCREWS.
LOCATING PINS: WITH LOCATING PINS PROPERLY SEATED IN
CORRESPONDING RECEIVING HOLES IN ENCODER BASEPLATE,
TIGHTEN MOUNTING SCREWS.
4 LOCATE ENCODER MODULE AND CODEWHEEL
ALIGN ENCODER MODULE AND CODEWHEEL AS SHOWN.
BE CAREFUL NOT TO DAMAGE THE ENCODER INTERNAL COMPONENTS
WITH THE CODEWHEEL.
BRING THE ENCODER MODULE AND CODEWHEEL DOWN SUCH THAT
THE ENCODER MODULE LOCATING HOLES (ON ITS UNDERSIDE)
MATE WITH THE BASEPLATE ROUND PINS. THE BASEPLATE SQUARE
PINS SHOULD SEAT INTO THE ENCODER MODULE MOUNTING
THRU HOLES.
CONCURRENTLY, BRING THE CODEWHEEL DOWN ONTO THE
MATING SHAFT.
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet HEDS-65xx.PDF ] | |
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