Optical Encoders
CIRCUITRY, TRUTH TABLE, AND WAVEFORM Standard Quadrature 2-Bit Code
PIN #
Switch Schematic
DECK B POWER 5V
Truth Table (CW Rotation)
10
DECK A
DECK B
POSITION
OUTPUT "A"
OUTPUT "B" OUTPUT "A" OUTPUT "B"
DECK A POWER 5V
DECK A OUTPUT "A"
DECK A OUTPUT "B"
DECK B OUTPUT "A"
DECK B OUTPUT "B"
9
8
7
6
5
4
3
2
1
2
3
4
R*
R*
R*
R*
100Ω
100Ω
INDICATES LOGIC HIGH. BLANK INDICATES
LOGIC LOW. CODE REPEATS EVERY 4 POSITIONS
Wave Form (CW Rotation)
HIGH
OUTPUT "A"
N.O.
PUSHBUTTON
LOW
HIGH
OUTPUT "B"
LOW
HIGH
OUTPUT "A"
LOW
DECK A
DECK A GROUND
DECK B GROUND
1
DECK B
HIGH
OUTPUT "B"
LOW
* 2.2k EXTERNAL PULL-UP RESISTORS REQUIRED FOR OPERATION
POS. POS. POS. POS. POS. POS.
#1
#2
#3
#4
#5
#6
SPECIFICATIONS
Mounting Hardware:One brass, nickel-plated
nut and stainless steel lockwasher supplied
with each switch. Nut is 0.094 inches thick by
0.562 inches across flats
Operating Torque: 3.5 ±1.4 in-oz initially
Shaft Push Out Force: 45 lbs minimum
Mounting Torque: 15 in-lbs max.
Terminal Strength: 15 lbs cable pull-out force
min.
Pushbutton Switch Ratings
Pushbutton Rating: 10 mA, 5 Vdc, resistive
Contact Resistance: less than 10 ohms (TTL
or CMOS compatible)
Rotor: Thermoplastic
Pushbutton Life: 3 million actuations min.
Contact Bounce: less than 4 mS at make
and less than 10 mS at break
Actuation Force: 1000 ±300 grams
Pushbutton Travel: .010/.025"
Code Housing: Thermoplastic
Pushbutton Dome: Stainless steel
Dome Retaining Disk: Thermoplastic
Pushbutton Housing: Thermoplastic
Phototransistor: Planar Silicon NPN
Infrared Emitter: Gallium aluminum
arsenide
Pushbutton Contact: Brass, nickel-plated
Flex Cable: 28 AWG stranded, halogen-free
polyolefin insulation on .050" centers (cabled
version)
Header Pins: Phospher bronze, tin-plated
Spacer: Zinc casting
Backplate/Strain Relief: Stainless steel
Lockwasher(s): Stainless steel
Hex Nuts: Stainless steel
Operating Speed: 100 RPM max.
Environmental Ratings
Operating Temperature Range: -40°C to 85°C
Storage Temperature Range: -55°C to 100°C
Vibration Resistance: Harmonic motion with
amplitude of 15G's, within a varied 10 to 2000
Hz frequency for 12 hours
Mechanical Shock: Test 1: 100g, 6 mS, half
sine,12.3ft/s;Test2:100g,6mS,sawtooth,9.7
ft/s
Switch Ratings
Coding: 2-bit quadrature coded output
Operating Voltage: 5.0 ±.25 Vdc
Voltage Breakdown: 250 Vac between
mutually insulated parts
Supply Current: 30 mA maximum@5.0 Vdc
(per deck)
Logic Output Characterisitics:
Logic High: 3.5 Vdc minimum
Logic Low: 1.5 Vdc maximum
Mechanical Life: 1,000,000 cycles minimum
(One cycle is a rotation through all positions
and a full return)
Minimum Sink Current: 2.0 mA
Power Consumption: 150mW max. (per deck)
Output: open collector phototransistor
Optical Rise and FallTimes: less than 30 mS
maximum
Humidity: 90–95% at 40°C for 96 hours
Materials and Finishes
Shaft: Aluminum
Bushing: Zinc casting
Shaft Retaining Ring: Stainless steel
Detent Spring: Stainless steel
Printed Circuit Boards: NEMA grade FR-4
gold over nickel or palladium
Terminals: Brass, tin-plated
Studs: Stainless steel
OPTIONS
ContactGrayhillforcustomterminations, shaft
and bushing configurations, and resolutions.
Control knobs are also available.
ORDERING INFORMATION
Series
Angle of Throw: 11 = 11.25° or 32 pos., 15 = 15° or 24 pos, 22 = 22.5° or 16 positions,
30 = 30° or 12 Positions
Pushbutton Option: 01 = w/o pushbutton, 02 = with pushbutton
62R22-01-020S
Termination: .050" centers; S = Stripped cable, C = Connector, P = Pin
Cable Length: 020 = 2.0 inches minimum to 250 = 25.0 inches maximum. Provided in
increments of 1/2 inch. Example: 035 = 3.5", 060 = 6.0". *Eliminate cable length if ordering
pins. (Ex: 62R22-02-P)
Custom materials, styles, colors, and markings are available. Control knobs available.
Available from your local Component Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local
Distributor, or Grayhill.
I-1 6
Grayhill, Inc.
• 5 6 1 Hillgrove Avenue • LaGrange, Illinois 6 0 5 2 5 -5 9 9 7 • USA • Phone: 7 0 8 -3 5 4 -1 0 4 0 • Fax: 7 0 8 -3 5 4 -2 8 2 0 • www.grayhill.com
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