GRAYHILL 71BD36-3119
Specifications
Manufacturer
Grayhill
Manufacturers Part #
71BD36-3119
Industry Aliases
71BD36-3119
Sub-Category
Mechanical Encoders
Series
71
Factory Pack Quantity
25
Datasheet
Mech_Encoder_71.pdf
237 KiB
Extracted Text
1 Optical and Mechanical Encoders 8 Mechanical Encoders SErIES 71 binary Code fEaTurES 1 1 • /4" or /8" Shaft Diameters • 25,000 Cycles at 125 mA • Optional Seal Versions • Adjustable Stop Versions DIMENSIONS in inches (and millimeters) .761 – .046 .312 – .020 0.125" (7,92 – 0,51) (19,33 – 1,17) Diameter C OF SHAFT L .375 – .020 .500 – .015 Shaft .031 (0,79) .094 – .010 FLAT (9,53 – 0,51) (12,7 – 0,38) REF. (2,39 – 0,25) Rear mounting .250 – .020 DIA. 72 (6,35 – 0,51) plate stamping indicates CODED output terminals, .562 – .015 C not decimal posi- (14,27 – 0,38) L OF tions. BUSHING FLATS SHAFT IS .125 + .001/ .002 SHOWN (3,18 + 0,03/ 0,05) IN POSITION 1 .203 – .005 SEE .750 – .020 (5,16 – 0,13) DETAIL A (19,05 – 0,51) 1/4 32-UNEF-2A .687 – .015 OVER TERMINALS THREAD (17,45 – 0,38) 0.250" DIA. Diameter C 3/8 32-UNEF-2A Shaft OF SHAFT L .219 ± .004 THREAD FLAT (5,56 ± 0,10) 72° Detail A C L OF SHAFT IS BUSHING .034 ± .003 SHOWN KEYWAY (0,86 ± 0,08) IN POSITION 1 .250 + .001/ –.002 .068 ± .005 (6,35 + 0,03/ –0,05) BUSHING KEYWAY .066 ± .002 (1,68 ± 0,05) WIDE (1,73 ± 0,13) All dimensions and rear view not shown for BY .036 ± .003 (0,91 ± 0,08) the .250" diameter shaft type are the same FROM A .375 (9,53) DIAMETER as the .125" diameter shaft type. Grayhill part number and date code marked on label. Customer part number marked on request. CODE aND TruTh TablE OPTIONS Shaft and Panel Seal adjustable Stop Switches Output Decimal Position Shaft is sealed by o-ring inside the bushing; Adjustable stop switch lets you limit the number of Terminal 0 1 2 3 4 5 6 7 8 9 panel is sealed by o-ring at the base of the positions. Remove and relocate pins in the front 1 l l l l l plate. A sticker holds the pins in place. With the bushing. Seals do not alter dimensions as shown 2 l l l l in the drawing when switch is mounted. Panel exception of holes in the front plate, all dimensions, 4 l l l l seal is silicone rubber. Shaft seal is an o-ring ratings, and characteristics are the same as the 8 l l per MIL-P-5516B. Shaft and panel seal is not other Series 71 coded switches. For diagrams, l Indicates contact is made to the common. available on adjustable stop switch. see Standard Switch. SPECIfICaTIONS OrDErING INfOrMaTION Electrical rating additional Characteristics Shaft Diameter Part rated: To make and break 125 mA at 30 Vdc rotational Torque: 8 to 16 oz-in. and Description Number resistive at standard conditions Contacts: Non-shorting wiping contacts 1/8" Continuous Rotation 71aY23401 life Expectancy: 25,000 cycles at rated load; Shaft flat Orientation: As shown in the 1/8" Cont. Rot., Sealed 71aY23402 50,000 cycles mechanical. For ratings at different drawing, switch would provide a decimal 1 1/4" Continuous Rotation 71bY23403 loads and conditions, contact Grayhill. output. 1/4" Cont. Rot., Sealed 71bY23404 Contact resistance: 100 milliohms maximum 1/8" Adjustable Stops 71aD36-3118 (50 milliohms initially) Materials and finishes 1/4" Adjustable Stops 71bD36-3119 Insulation resistance: As measured between base: Diallyl per MIL-M-14 mutually insulated parts available from your local Grayhill rotor Mounting Plate: Thermoplastic. Initially: 50,000 megohms minimum Distributor. rotor Contact: Phosphor Bronze, gold-plated After Life: 10,000 megohms minimum For prices and discounts, contact a local 30 microinches minimum Voltage breakdown: 500 Vac between mutually Sales Office, an authorized local Distributor or Terminals: Brass, gold plate (20 microinches insulated parts min) over silver plate (300 microinches min) Grayhill. Carry Current: These switches will carry 3 additional Materials: Other switch materials amperes with a maximum contact temperature and finishes are the same as listed for the rise of 20°C. standard switch. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 2 C GRAYHILL 81073 4
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