
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 Specifications
MIL-STD-810F Qualified
Operating Temperature Range: -400 C to 850 C
Storage Temperature Range: -550 C to 1000 C
Humidity: 96 hours at 90-95% humidity
at 400 C
Mechanical Vibration: Harmonic motion
with amplitude of 15g, 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/sec
Test 2: 100g for 6 ms sawtooth wave with a
velocity change of 9.7 ft/sec
Rotary and Mechanical Specifications
Operating Voltage: 5.00
±0.25 Vdc
Supply Current: 25mA Max.
Output: Open collector phototransistor,
external pull up resistors are required
Output Code: Two-bit quadrature, channel a
leads channel B by 90
° electrically during
clockwise rotation of the thumbwheel
Logic high shall be no less than 3.8 Vdc
Logic low shall be no greater than 0.8 Vdc
Power Consumption: 125 mW Max.
Mechanical Life: 1,000,000 cycles of
operation for Low and Non-Rotational
Rotational Torque. 1 cycle is a rotation
through all positions and a full return.
Average Rotational Torque:
M: 2.2
±.75 in-oz, L: 1.2±0.5 in-oz, N: <0.50
in-oz. Initially torque shall be within 75% of
initial value throughout life.
Pushbutton Electrical and
Mechanical Specifications
Rating: 10mA @ 5 Vdc
Contact Resistance: <10W
Life: 3 million actuations minimum
Contact Bounce: <4 ms make, <10ms
break
Actuation Force: N – None, 7–700g,
10 – 1000g.
Thumbwheel Travel: .060
± .015 in
Materials and Finishes
Face Plate: Plastic
Housing: Nylon 6/6
Side Plate: Reinforced thermoplastic
Wiper: Silicone rubber with adhesive
Gasket: Silicone rubber with adhesive
Wheel: Plastic
Shaft: Aluminum
Slide Springs: Music wire
Detent Spring: Music wire
Detent Balls: Nickel plated stainless steel
PC Boards: NEMA grade FR4. Double clad
with copper plated
Plated with gold over nickel
Pushbutton board is tin plating over copper
LED: Gallium Aluminum Arsenide
Phototransistor: Gold and Aluminum
Alloys
Code Section Housing: Reinforced plastic
Detent Housing: Thermoplastic
Code Rotor: Delrin 100 plastic
Dome: Stainless steel
Dome retainer: Delrin 100 plastic
Slide Rods: Stainless steel
Splining Key: Stainless steel
Actuator: Reinforced thermoplastic
Screws: Aluminum or Stainless
Wiper Plate: Copper
Solder: 63/67 tin-lead, no clean - low
residue flux
WAVEFORM AND TRUTH TABLE
Available from your local Grayhill Component Distributor. For pricing an discounts, contact a local Sales Office, an authorized local
Distributor, or Grayhill.
Encoder
33
90± 45
1
2
3
4
5
6
R*
N.O., MOMENTARY
PUSHBUTTON SWITCH
+5Vdc
OUTPUT "A"
OUTPUT "B"
GROUND
PUSHBUTTON
R* - TWO 2.2K
RESISTORS REQUIRED FOR OPERATION.
POSITION
OUTPUT A
OUTPUT B
#1
#2
#3
#4
Indicates logic high; blank indicates logic low.
Code repeats every 4 positions.
POS
#1
POS
#2
POS
#3
POS
#4
POS
#5
POS
#6
OUTPUT A
HIGH (3.8-5V)
LOW (0-.8V)
OUTPUT B
HIGH (3.8-5V)
LOW (0-.8V)
Torque. 500,000 cycles of operation for
Medium
62T22-XX-040C
Series
Pushbutton Option: 0=No Pushbutton, 7=700 grams, 10=1000 grams
Termination: C = .050 Center ribbon Cable with connector
Cable Termination: 040=4.0 inches. Cable is terminated with Amp Connector P/N
7-215083-6.
See Amp Mateability Guide for Mating Connector details.
Rotational Torque: N = Non-Detent, L=Low Torque, M=Medium Torque
Angle of Throw: 22 = 22.5° for code change and 16 detent positions