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參數資料
| 型號： | 25BR15-Q-1-18 |
| 廠商： | GRAYHILL INC |
| 元件分類： | 編、解碼器及復用、解復用 |
| 英文描述： | ROTARY OPTICAL POSITION ENCODER |
| 封裝： | ROHS COMPLIANT PACKAGE-5 |
| 文件頁數： | 2/2頁 |
| 文件大小： | 73K |
| 代理商： | 25BR15-Q-1-18 |
Optical
and
Mechanical
Encoders
Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois
60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com
Mechanical Encoders
Series 25: Multi-deck
Shaft size: B = 1/4" diameter shaft
Sealed or non-sealed: S = Shaft and panel seal; No letter = no seal
Terminal structure: P = PC, perpendicular to shaft; R = PC, rear facing (one deck
only); F = PC, front facing (one deck only).
Angle of throw (determines the maximum number of positions):
10 = 10°, 36 positions; 11 = 11.25°, 32 positions; 12 = 12°, 30 positions;
15 = 15°, 24 positions; 18 = 18°, 20 positions; 22 = 22.5°, 16 positions;
30 = 30°, 12 positions; 45 = 45°, 8 positions; 60 = 60°, 6 positions;
90 = 90°, 4 positions.
25BSP22–Q–1–16 C
Stop arrangement: For switches with maximum positions, add C for continuous rotation;
add F for stop between first and last. No notation required for less than maximum
positions.
Number of positions: Maximum is dependent on the angle of throw. Minimum is two.
Number of decks: One through four possible.
Code output:
B = Binary available in 22.5°
Q = Quadrature
G = Gray available in 22.5°
Specials include 1/8" diameter shaft, custom angles of throw for binary, binary
complement and gray code outputs. Contact Grayhill Sales for availability.
SPECIFICATIONS
Electrical Ratings
Switching Loads: 150 mA at 120 Vac,
resistive; 150 mA at 28 Vdc, resistive
Current Carrying Capacity: 250 mA at 28 Vdc,
resistive
Contact Resistance: 75 m
maximum after
life
Insulation Resistance: 1000 m
minimum
between terminals and shaft
Voltage Breakdown: 1000 Vac minimum
between terminals and shaft
Life Expectancy: 50,000 cycles at rated loads
Contacts: Shorting
Materials and Finishes
Bushing: Die cast zinc alloy, tin-zinc plated
Mounting Hardware: plated brass
Decks, Deck Separators, End Plate:
Thermoplastic
Contacts and Terminals: Gold, silver, nickel-
plated beryllium copper
Shaft, Stop Blades: Stainless Steel
Detent Balls: Steel, nickel-plated
Rivets: Brass, zinc-plated
Mechanical Ratings
Stop Strength: 10 in-lbs minimum
Rotational Torque: 4-20 in-oz, dependent on
the number of decks
Operating Temperature Range: -65°C to
+85°C
Non-Turn Device: Flatted mounting bushing,
.375" dia. x .320"
Package Size: .865" square
Termination: PC terminals, .100" on center.
Decks are .200" apart.
ORDERING INFORMATION
Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill.
Control knobs available, see page I-57.
Encoder
3
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