Optical Encoders
CIRCUITRY, TRUTH TABLE, AND WAVEFORM
Standard Quadrature 2-Bit Code
PIN #
POWER +5V
R*
OUTPUT A
R*
OUTPUT B
4
3
2
1
OUTPUT
B
6
5
HIGH
LOW
HIGH
LOW
1
2
3
4
5
6
Clockwise Rotation
Position
Output A
Output B
OUTPUT
A
1
2
3
4
N.O.
PUSH-
BUTTON
SWITCH
•
Indicates logic high; blank indicates
logic low.
Code repeats every 4 positions.
•
•
•
•
POSITION NUMBER
GROUND
SPECIFICATIONS
Environmental Specifications
AVERAGE ROTATIONAL TORQUE SPECIFICATIONS
LOW
MEDIUM
HIGH
±0.50 IN-OZ
±1.40 IN-OZ
±1.60 IN-OZ
Operating Temp. Range:
-40°C to 85°C
Storage Temp. 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
Mechanical Shock:
Test 1: 100G for 6 mS, 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
8 POSITION
12 POSITION
16 POSITION
20 POSITION
24 POSITION
32 POSITION
1.10
1.00
1.40
1.35
1.25
0.95
1.85
1.70
2.35
2.05
1.95
1.40
2.75
2.95
3.40
2.80
2.95
2.15
Rotary Electrical and Mechanical
Specifications
Torque shall be within 50% of initial value
throughout life
Mounting Torque: 15 in-lbs 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
Operating Voltage: 5.00 ±0.25 Vdc
Supply Current: 25mA max at 5.25Vdc
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
Logic Output Characteristics:
Logic High shall be no less than 3.8 Vdc
Logic Low shall be no greater than 0.8Vdc
Minimum Sink Current: 2.0 mA
Power Consumption: 132mW maximum
(includes power in 2 pull-up resistors)
Mechanical Life:
Non-Detent
3 Million Cycles
Low & Medium
1 Million Cycles
High
1/2 Million Cycles
1 cycle is a rotation through all positions and
a full return
Pushbutton Electrical & Mechanical
Specifications
Rating:
10 mA at 5 Vdc
Contact Resistance: <10Ω
Life:
3 million actuations minimum
Contact Bounce:
<4 ms Make, <10 ms
Break
Actuation Force:
9-950±150 grams, 5-510±150
grams, 4-400±100 grams, 3-300±90 grams,
2-200±75 grams
Shaft Travel:
.025±.010 inch
Materials and Finishes
Bushing: Zamak 2
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
Code Rotor: Delrin 100
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 over
nickel plated phosphor bronze
Connector (.100 Center): Nylon UL94V-2, tin
plated copper alloy
Label: TT406 Thermal transfer cast film
Solder:
Sn/Ag/Cu, Lead-Free, No Clean
Lubricating Grease: NYE nyogel 774L
Hex Nut:
Nickel, plated with brass
Lockwasher:
Stainless steel
Header:
Hi-Temp glass filled thermoplastic
UL94V-0, phoshor bronze (pin versions only)
Strain Relief:
Glass filled thermoplastic (.100
center cable versions only)
Optical and Mechanical
Encoders
OPTIONS
Contact Grayhill for custom terminations, shaft
and bushing configurations, rotational torque
pushbutton force, and code output. Control
knobs are also available.
ORDERING INFORMATION
Angle of Throw
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
Termination
C = .050 Center Ribbon Cable with Connector
S = .050 Center Ribbon Cable with .100 Stripped End
P = .050 Center Pins with .130 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
Cable Termination: 040=4.0in or 040in. Cable is
terminated with Amp Connector P/N 3-640442-6
See Amp Mateability Guide for mating connector details.
Pushbutton Option
0 = NO PUSHBUTTON
4 = 400 Grams
9 = 950 Grams
3 = 300 Grams
5 = 510 Grams
2 = 200 Grams
62SXX-XX-040X
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)
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Analog electronics
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