Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Optical and Mechanical
Encoders
Optical Encoders
SPECIFICATIONS
Environmental Specifications
Operating Temperture 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
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
Rotary Electrical and Mechanical
Specifications
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
Logic Output Characteristics:
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 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
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
Pushbutton Electrical and
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±250 grams, 5-
510±110 grams, 4-400±100 grams, 3-300±90
grams, 2-200±75 grams
Shaft Travel: .020±.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
CIRCUITRY, TRUTH TABLE, AND WAVEFORM Standard Quadrature 2-Bit Code
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 (pinned versions
only)
Strain Relief: Glass filled thermoplastic (.100
center cable versions only)
OPTIONS
Contact Grayhill for custom terminations, shaft
and bushing configurations, rotational torque
pushbutton force, and code output. Control
knobs are also available.
1
2
3
4
5
6
POWER +5V
OUTPUT A
OUTPUT B
N.O.
PUSH-
BUTTON
SWITCH
GROUND
PIN #
R*
R*
OUTPUT
A
OUTPUT
B
HIGH
LOW
HIGH
LOW
POSITION NUMBER
1 2 3 4 5 6
•
Indicates logic high; blank indicates
logic low.
Code repeats every 4 positions.
Clockwise Rotation
Position Output A Output B
1
2
3
4
•
••
•
62SXX-XX-040X
Termination
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
Cable Termination: 040=4.0in or 040in. Cable is
terminated with Amp Connector P/N 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
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
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)
ORDERING INFORMATION
AVERAGE ROTATIONAL TORQUE SPECIFICATIONS
LOW MEDIUM HIGH
±0.50 IN-OZ ±1.40 IN-OZ ±1.60 IN-OZ
8 POSITION 1.10 1.85 2.75
12 POSITION 1.00 1.70 2.95
16 POSITION 1.40 2.35 3.40
20 POSITION 1.35 2.05 2.80
24 POSITION 1.25 1.95 2.95
32 POSITION 0.95 1.40 2.15
Encoder
4
