Optical Encoders
CIRCUITRY, TRUTH TABLE AND WAVEFORM: Standard Quadrature 2-Bit Code
PIN#
8
Clockwise Rotation
POWER +5V
Position Output A Output B
R*
1
OUTPUT A
DECK A
7
6
5
4
100Ω
100Ω
2
•
R*
3
OUTPUT B
DECK A
•
•
4
•
R*
OUTPUT A
DECK B
Indicates logic high; blank indicates
logic low. Code repeats every 4
positions.
•
R*
OUTPUT B
DECK B
HIGH
OUTPUT
A
3
2
1
N.O.
PUSHBUTTON
SWITCH
DECK B
LOW
HIGH
LOW
OUTPUT
B
GROUND
1
2
3
4
5
6
* External pull-up resistors required for operation (2.2kΩ)
POSITION NUMBER
SPECIFICATIONS
Materials and Finishes
Bushing: Zinc casting
Shaft: Aluminum
Shaft Retaining Ring: Stainless steel
Detent Spring: Stainless steel
Printed Circuit Board: NEMA grade FR-4
Terminals: Brass, tin-plated
Mounting Hardware: One brass, nickel-plated
nut and lockwasher supplied with each switch.
(Nut is 0.094 inches thick by 0.562 inches
across flats)
Pushbutton Switch Ratings
Rating: 5 Vdc, 10 mA, resistive
Contact Resistance: less than 10 ohms (TTL
or CMOS compatible)
VoltageBreakdown:250Vacbetweenmutually
insulated parts
Contact Bounce: less than 4 mS at make, less
than 10 mS at break
Actuation Life: 3,000,000 operations
Actuation Force: 1000 ± 300 grams
Rotational Life: more than 1,000,000 cycles
of operation (1 cycle = 360° rotation and
return)
Shaft Push Out Force: 45 lbs minimum
Mounting Torque: 15 in-lbs maximum
Operating Speed: 100 RPM maximum
Axial Shaft Play: .010 maximum for each
shaft
Environmental Ratings
Rotor: Thermoplastic
Encoder Ratings
Operating Temperature Range: -40°C to 85°C
Storage Temperature Range: -55°C to 100°C
Relative Humidity: 90–95% at 40°C for 96
hours
Vibration Resistance: Harmonic motion with
amplitude of 15g, within a varied 10 to 2000 Hz
frequency for 12 hours per MIL-STD-202,
Method 204
Code Housing: Reinforced thermoplastic
Pushbutton Dome: Stainless steel
Pushbutton Housing: Thermoplastic
Pushbutton Contact: Brass, nickel-plated
Dome Retaining Disk: Thermoplastic
Strain Relief: Stainless steel
Cable: 28 AWG, stranded/top coated wire,
PVC coated on .050 centers
(cable version only)
Coding: 2-bit quadrature coded output
Operating Voltage: 5 ± .25 Vdc
Supply Current: 50 mA maximum at 5 Vdc
Logic High: 3.8V minimum
Logic Low: 0.8V maximum
Logic Rise and Fall Times: less than 30 mS
Operating Torque: 2.0 in-oz ± 1.4 in-oz
initially
Shock Resistance: Test 1: Tested at 100g
for 6 mS, half sine, 12.3 ft/s Test 2: 100g for
6 mS, sawtooth, 9.7 ft/s
Header Pins: Phosphor bronze, tin-plated
Insulator: Glass-filled polyester
Spacer: Zinc casting
ORDERING INFORMATION
Series
Style: C = Concentric
Angle of Throw (Deck A): 11 = 11.25° or 32 positions,
15 = 15° or 24 positions, 22 = 22.5° or 16 positions, 30 = 30° or 12 Positions
Angle of Throw (Deck B): 11 = 11.25° or 32 positions,
15 = 15° or 24 positions, 18 = 18° or 20 positions,
22 = 22.5° or 16 positions, 30 = 30° or 12 Positions
62C2211- 02-020 C
Termination: S = stripped cable, C = connector, P = pins
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"
*Eliminate cable length if ordering pins. (Ex: 62C2211-02-P)
Pushbutton Option: 01 = w/o pushbutton
02 = with pushbutton
Custom custom shaft, pushbutton actuation force and termination options are available. Control knobs available, see page I-57.
Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill.
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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