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9710 Virtual Absolute Modular Encoder

9710 Virtual Absolute Modular Encoder

9710 Virtual Absolute Modular Encoder

Product catalog summary
Overview: The document provides detailed technical specifications and operational guidelines for the Gurley Model 9710 Virtual Absolute Encoder, a versatile read head suitable for both rotary and linear applications. It highlights the encoder's modular construction, friction-free operation, and compatibility with various disc sizes, offering flexibility for design engineers.
Specifications: The encoder operates with a +5VDC input power and uses a screened infra-red LED with a rated life of 100,000 hours. It outputs high differential Sine, Cosine, and Index photocurrents. The encoder body is made of aluminum with a vacuum-deposited chrome pattern on glass. It supports a frequency response of 50 kHz and operates within a temperature range of -40°F to +185°F.
Theory of Operation: The Virtual Absolute (VA) encoder uses a cyclic track and a continuous serial code index track, allowing it to determine position after a short initialization movement. It provides a natural binary position output and includes a status bit for system reliability checks.
Discs and Scales: Various disc sizes and configurations are available, with specific dimensions and line counts provided. The document advises consulting with Gurley for proper disc/hub assembly design. Scales are available in standard and custom configurations, with specific scale pitches and maximum resolutions detailed.
Installation and Mounting: Suggested mounting methods include epoxy bonding and clamping, with detailed dimensions and guidelines for both rotary and linear applications. The document emphasizes the importance of mounting against a flat, burr-free surface.
Ordering Information: The document outlines the ordering codes for different configurations, including environment compatibility, line types, index types, cable lengths, and connector options.
Special Capabilities and Warranty: Gurley offers customization options for higher frequency response, greater accuracy, and other modified characteristics. A limited warranty against defects in material and workmanship is provided for one year from the date of shipment.
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Catalog excerpts

9710 Virtual Absolute Modular Encoder-1

*w/external electronics Model VA or other interpolating decoder, its optical resolution is electronically increased. The natural-binary position output is augmented by a number of built- in test functions for maximum system reliability.For incremental positioning in a modular encoder, please refer to the > The Model 9710 is a versatile read head that can be configured for use with either a rotary disc or linear scale. Its modular construction provides friction-free operation, and the wide selection of disc sizes gives the design engineer great flexibility . When used with the 9710 ( rotary), 7700 (rotary and linear in a compact package), and 9717 (linear only) datasheets > Gurley Precision Instruments514 Fulton StreetTroy, NY 12180 U.S.A.(800) 759-1844, (518) 272-6300, fax (518) 274-0336, Online at www.gurley.com, e-mail: [email protected] ingenuity@work

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9710 Virtual Absolute Modular Encoder-5

RETICLE GAP.002 TO .008 [0.05 TO 0.20](SEE USER'S MANUAL FOR DETAILS) 1.00[25.4] .625 [15.88] C EMITTER ASSY PATTERNSURFACES .750[19.05]TYP DISC OR SCALEORDEREDSEPARATELY .365[10.03]NOM 1.00[25.4] MOUNTING HOLES (4) EPOXYBOND(OPTIONAL) CLAMP FULLLENGTHOF SCALE OR1"[25]SECTIONS APPROXEVERY 3"[75].CORK OR RESILIENTMATERIAL COMPRESSEDAPPROX .003"[.08] STOPRINGDETECTORASSY .375 [9.52]NOM(.29 [7.37]FOR 3/8" THKDISC OR SCALE) "L"(4" TO 99")[100 TO 2515]36" [915] STANDARD ؘ.875[22.23] 10 CONDUCTORS, STRANDED TFE INS, 28 AWG (7/36) > AXIS OF ROTATION CL MOUNTINGINSTALLATIONDIM 1.71[43.4] MAX WITH 3/8"...

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9710 Virtual Absolute Modular Encoder-6

ENV SV Standard environmentVacuum-compatible Rotary with head straddling the O.D.Rotary with head on the I.D. (consult factory) Metric scale ( > LINES ##### Lines/rev (if > TYPE = R or S ), scale pitch in in (if > TYPE = E ), or scale pitch in յm > TYPE = M ). Add leading zeroes for 5 digits total. > TYPE RS M E > LINES = m/line) English scale ( > LINES = յin/line) > INDEX S Single aperture > LNGTH ##36 Cable length in inches (04-99)Standard Pigtails (no connector)DE-15P (use with CAZxxx extension cable from 9710 to VA electronics)Amp 102387-1 (to connect > CONN P R V 9710 directly to VA electronics)...

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