Optical Encoders
CIRCUITRY, TRUTH TABLE, AND WAVEFORM Standard Quadrature 2-Bit Code
PIN #
POWER +5V
6
R*
200 Ω
5%
5
4
3
2
OUTPUT A
OUTPUT B
Clockwise Rotation
HIGH
LOW
HIGH
LOW
R*
OUTPUT
A
Position
Output A
Output B
1
2
3
4
•
•
OUTPUT
B
N.O.
PUSH-
BUTTON
SWITCH
•
•
1
2
3
4
5
6
Indicates logic high; blank indicates
•
POSITION NUMBER
logic
low. Code repeats every 4 positions.
1
GROUND
* External pull-up resistors required for operation (2.2 kΩ).
Printed Circuit Boards: NEMA grade FR-4,
double clad with copper, plated with gold over
nickel
Infrared Emiting Diode Chips: Gallium
aluminum arsenide
Silicon Phototransistor Chips: Gold and
Aluminum Alloys
Resistor: Metal oxide on ceramic substrate
Solder Pins: Brass, plated with tin
Pushbutton Dome: Stainless steel
Backplate: Stainless steel
Cable: Copper stranded with topcoat in PVC
insulation (Cable version only)
Connector (.050 Center): PA4.6 with tin/lead
plated phosphor bronze
Connector (.100 Center): Nylon UL94V-2, tin
plated copper alloy
Label: TT406 Thermal transfer cast film
Solder: 60/40 Tin lead, no clean – low residue
flux
Lubricating Grease: NYE nyogel 774L
Hex Nut: Nickel, plated with brass
Lockwasher: Stainless steel
Average RotationalTorque: H-3.60±1.60
in-oz, M-2.20±1.40 in-oz, L-1.20±0.50 in-oz,
N-<0.50 in-oz initially, torque shall be within
50% of initial value throughout life
MountingTorque: 15 in-oz maximum
Shaft Push-Out Force: 45 lbs minimum
Shaft Pull-Out Force: 45 lbs minimum
Terminal Strength: 15 lbs minimum terminal
pull-out force for cable or header termination
Solderability: 95% free of pin holes and voids
SPECIFICATIONS
Environmental Specifications
OperatingTemperture Range: -40°C to 85°C
Storage Temperature Range: -55°C to 100°C
Humidity: 96 Hours at 90–95% humidity at
40°C
Mechanical Vibration: Harmonic motion with
amplitude of 15G's, within a varied frequency
of 10 to 2000 Hz
MechanicalShock:Test1:100Gfor6mS,half
sine wave with a velocity change of 12.3 ft/s;
Test 2: 100G for 6 mS, sawtooth wave with a
velocity change of 9.7 ft/s
Pushbutton Electrical and
Mechanical Specifications
Rating: 10 mA at 5 Vdc
Contact Resistance: <10Ω
Rotary Electrical and Mechanical
Specifications
Life: 3 million actuations minimum
Contact Bounce: <4 ms Make, <10 ms Break
Actuation Force: 9-950±250 grams, 5-
510±110 grams, 4-400±100 grams, 3-300±90
grams, 2-200±75 grams
Operating Voltage: 5.00 ±0.25 Vdc
Supply Current: 30mA maximum at 5Vdc
Output: Open collector phototransistor,
external pull up resistors are required
Output Code: 2-Bit quadrature, channel A
leads channel B by 90° electrically during
clockwise rotation of the shaft
Shaft Travel: .020±.010 inch
Materials and Finishes
Bushing: Zamak 2
Header: Hi-Temp glass filled thermoplastic
UL94V-0, phoshor bronze (pinned versions
only)
Strain Relief: Glass filled thermoplastic (.100
center cable versions only)
Logic Output Characteristics:
Shaft: Aluminum or Zamak 2
Retaining Ring: Stainless steel
Pushbutton Actuator: Zytel 70G33L
Detent Spring: Music wire
Detent Ball: Stainless steel
Code Housing: Polyamide polymer, nylon 6/
10 alloy UL94HB
Logic High shall be no less than 3.0 Vdc
Logic Low shall be no greater than 1.0 Vdc
Minimum Sink Current: 2.0 mA
Power Consumption: 150 mW maximum
Mechanical Life:
Non-Detent
Low & Medium
High
3 Million Cycles
1 Million Cycles
1/2 Million Cycles
OPTIONS
Contact Grayhill for custom terminations, shaft
and bushing configurations, rotational torque
pushbutton force, and code output. Control
knobs are also available.
Code Rotor: Delrin 100
1 cycle is a rotation through all positions and
a full return
ORDERING INFORMATION
Termination
Angle of Throw
C = .050 Center Ribbon Cable with Connector
S = .050 Center Ribbon Cable with .100 Stripped End
P = .050 Center Pins with .185 Length
CH = .100 Center Ribbon Cable with Connector
SH = .100 Center Ribbon Cable with .100 Stripped End
PH = .100 Center Pins with .230 Length
Cable Length
45=45° for Code Change and 8 Detent Positions
30=30° for Code Change and 12 Detent Positions
22=22.5° for Code Change and 16 Detent Positions
18=18° for Code Change and 20 Detent Positions
15=15° for Code Change and 24 Detent Positions
11=11.25° for Code Change and 32 Detent Positions
62SXX-XX-XXXX
020 thru 250 in 1/2 inch increments
3 Digits are eliminated if pinned termination is required.
Examples:
Rotational Torque Option
N = Non-detent
L = Low Torque (available with 0, 4, 5, 9 pushbutton only)
M = Medium Torque (available with 0, 5, 9 pushbutton only)
H = High Torque (available with 0, 9 pushbutton only)
060 = 6.0 inch cable
135 = 13.5 inch cable
Pushbutton Option
0 = NO PUSHBUTTON
9 = 950 Grams
5 = 510 Grams
4 = 400 Grams
3 = 300 Grams
2 = 200 Grams
I-5
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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