Optical and Mechanical
Encoders
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Optical Encoders
SPECIFICATIONS
Environmental Specications
Operating Temperature Range: -40
0
C
to 85
0
C
Storage Temperature Range: -55
0
C to 100
0
C
Humidity: 96 hours at 90-95% humidity
at 40
0
C
Mechanical Vibration: Harmonic motion with
amplitude of 15 g, within a varied frequency of
10 to 2000 Hz
Mechanical Shock:
Test 1: 100 g for 6 ms half-sine wave with a
velocity change of 12.3 ft/sec
Test 2: 100 g for 6 ms sawtooth wave with a
velocity change of 9.7 ft/sec
Rotary Electrical and
Mechanical Specications
Operating Voltage: 5.00±.25 Vdc
Supply Current: 30 mA maximum at 5 Vdc
Output: Open collector phototransistor,
external pull-up resistors are required.
Output Code: Two-bit quadrature, channel
A leads channel B by 90
0
electrically during
clockwise rotation of the shaft
Logic Output Characteristics:
Logic high signal shall be no less
than 3.0 Vdc
Logic low signal shall be no greater
than 1.0 Vdc
Minimum Sink Current: 2.0 mA
Power Consumption: 150 mW maximum
Mechanical Life: 3 million rotational cycles of
operation. One cycle is a rotation through all
positions and a full return
Rotational Torque: H=1.70 ± 1.00 in-oz,
M=1.25 ± 0.75 in-oz, L=0.75 ± 0.5 in-oz
Mounting Torque: 15 in-lb maximum
Shaft Pull-Out Force: 45 lbs minimum
Shaft Push-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
Specications
Rating: 10 mA at 5 Vdc
Contact Resistance: <10 ohms
Life: 3 million actuations minimum
Contact Bounce: <4 ms make,<10 ms break
Actuation Force: 2=200±75 grams,
3=300±90 grams, 4=510±150 grams
Shaft Travel: .025 ± .010 inches
Materials and Finishes
Bushing: Zinc Diecast, Cadmium Plated per
QQP-416, Class II, Type II
Insert Molded into 25% Glass Reinforced
Nylon Zytel FR-50
Shaft: NdFeB XE-3594 over Aluminum
Stator: Powdered Metal per F-0000-20
Through Bolts: 305 Stainless Steel
Through Bolts Nuts: Stainless Steel
Spacer Washer: Brass
Snap Dome: Stainless Steel
Printed Circuit Boards: Nema Grade FR4,
Double Clad with Copper, Plated with Gold
over Nickel
Infrared Light Emitting Diode Chips:
Gallium Aluminum Arsenide
Silicon Phototransistor Chips: Gold and
Aluminum Alloys
Resistor: Metal Oxide on Ceramic Substrate
Solder Pins: Brass, Plated with Tin
Code Rotor: Acetal (Delrin 100)
Code Housing: Polyamide Polymer (Nylon
6/10 Alloy)
Backplate Strain Relief: Polyamide Polymer
(Nylon 6/10 Alloy - Hiloy-610)
Cable: Copper Standard with Topcoat in PVC
Insulation (Cabled Versions Only)
Connector: PA4.6 with Tin Plated Copper
Alloy (Cable/Connector Versions)
Label: TT406 Thermal Transfer Cast Film
Solder: Sn/Ag/Cu, Lead Free, No Clean
Mounting Hex Nut: Cadmium over 1/2 Hard
Brass
Lockwasher: 8-18 Stainless Steel, Passivate
Finish
Pin Header: Hi-Temp Glass Filled Thermo-
plastic UL94V-0, Phosphor Bronze (Pinned
Versions Only)
WAVEFORM AND TRUTH TABLE
62MXX-XX-040X
Series
Angle of Throw: 15 = 15
0
for code change and 24 detent positions
Rotational Torque: H=High Torque (1.70 in-oz), M=Medium Torque (1.25 in-oz),
L=Low Torque (0.75 in-oz)
Pushbutton Option: 0=Non-Pushbutton, 2 = 200 grams, 3 = 300 grams, 4 = 510 grams
Cable Termination: 040 = 4.0in. Cable is terminated with Amp Connector P/N 3-640442-6.
See Amp Mateability Guide for mating connector details.
*Eliminate cable length if ordering pins (Ex: 62M22-42-PH)
Termination: CH =.100 Cable with Connector, SH = Cable with Stripped-End, PH = Pin Header
Clockwise Rotation
Position
1
2
3
4
•
• •
•
Output A
Output B
• Indicates logic high; blank indicates logic
low. Code repeats every 4 positions.
OUTPUT
A
OUTPUT
B
HIGH
LOW
HIGH
LOW
POSITION NUMBER
1 2 3 4 5 6
