Optical Encoders
SPECIFICATIONS
Pushbutton Switch Ratings
Rating: at 5 Vdc, 10 mA, resistive
Contact Resistance: less than 10 ohms (TTL
or CMOS compatible)
Pushbutton Life: 3 million actuations
minimum
Voltage Breakdown: 250 Vac between
mutually insulated parts
Contact Bounce: less than 4 mS at make and
less than 10 mS at break
Shaft Push Out Force: 45 lbs minimum
Mounting Torque: 15 in-lbs maximum
Terminal Strength: 15 lbs cable pull-out force
minimum
Terminals: Brass, tin-plated
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
Rotor: Thermoplastic
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/top coated wire,
PVC coated on .050 or .100" centers (cabled
version)
Operating Speed: 100 RPM maximum
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, within a varied 10 to 2000 Hz
frequency for 12 hours
Mechanical Shock: Test 1: 100G, 6 mS, half
sine, 12.3 ft/s; Test 2: 100G, 6 mS, sawtooth, 9.7
ft/s
Actuation Force: 1000 ±300g
Encoder Ratings
Coding: 2-bit quadrature coded output
Operating Voltage: 5.0 ±.25 Vdc
Supply Current: 30 mA maximum@5.0 Vdc
Logic Output Characterisitics:
Logic High: 3.8 Vdc minimum
Relative Humidity: 90–95% at 40°C for 96
hours
Header Pins: Phospher bronze, tin-plated
Spacer: Thermoplastic
Endcap: Thermoplastic
Non-turn Pin: Stainless steel
Backplate/Strain Relief: Stainless steel
Lockwashers: Stainless steel
Logic Low: 0.8 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 for 5 Vdc
Power Consumption: 150mW maximum
Output: open collector phototransistor
Logic Rise and FallTimes: less than 30 mS
maximum
Materials and Finishes
Code Housing: Reinforced thermoplastic
Shafts: 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
Hex Nuts: Stainless steel
Studs: Stainless steel
Operating Torque:
Detent: 2.0 in-oz ±70% initially
Non-Detent: less than 1.5 in-oz initially
CIRCUITRY, TRUTH TABLE, AND WAVEFORM Standard Quadrature 2-Bit Code
PIN #
POWER +5V
6
R*
200 Ω
5%
5
OUTPUT A
OUTPUT B
Clockwise Rotation
HIGH
R*
Position
Output A
Output B
OUTPUT
A
4
3
2
LOW
1
2
3
4
•
•
HIGH
OUTPUT
N.O.
PUSH-
BUTTON
SWITCH
•
B
LOW
•
1
2
3
4
5
6
Indicates logic high; blank indicates
logic low. Code repeats every 4 positions.
•
POSITION NUMBER
1
GROUND
* External pull-up resistors required for operation (2.2 kΩ).
ORDERING INFORMATION
Series and Style = 1/2" package, non-turn, dedicated shaft
Angle of Throw: Detent Non-detent
11 = 11.25° or 32 pos.
01 = 11.25° or 32 positions
05 = 15° or 24 positions
02 = 22.5° or 16 positions
00 = 30° or 12 positions
15 = 15° or 24 positions
22 = 22.25° or 16 positions
30 = 30° or 12 positions
62N22-020S
Termination: S = Stripped cable; .050" centers
SH = Stripped cable; .100" centers
C = Connector; .050" centers
CH = Connector; .100" centers
P = Pin; .100" centers
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: 62N22-02-P)
These switches have Quadrature 2-bit code output and an optional shaft actuated pushbutton switch.
Custom materials, styles, colors, and markings are available. Control knobs available.
Available from your local Grayhill Component Distributor.
For prices and discounts, contact a local Sales Office, an authorized local Distributor, or Grayhill.
I-1 4
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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