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Optical encoders, Circuitry, truth table, and waveform, Ordering information – Grayhill Human Interface Optical Encoders 62HR Series User Manual

Page 2: Specifications, Pushbutton switch ratings, Encoder ratings, Environmental ratings, Materials and finishes

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CIRCUITRY, TRUTH TABLE, AND WAVEFORM

Standard Quadrature 2-Bit Code

POSITION

OUTPUT "A" OUTPUT "B"

1
2
3
4

INDICATES LOGIC HIGH. BLANK INDICATES
LOGIC LOW. CODE REPEATS EVERY 4 POSITIONS

7

6

5

4

3

2

DECK A OUTPUT "B"

DECK B OUTPUT "A"

DECK B OUTPUT "B"

DECK A GROUND

PUSHBUTTON N.O.

PIN #

Switch Schematic

Truth Table (CW Rotation)

LOW

LOW

HIGH

HIGH

OUTPUT "A"

OUTPUT "B"

POS.

#1

POS.

#2

POS.

#3

POS.

#4

POS.

#5

POS.

#6

Wave Form (CW Rotation)

100

OUTPUT "A" OUTPUT "B"

DECK A

DECK B

LOW

HIGH

LOW

HIGH

OUTPUT "A"

OUTPUT "B"

10

9

8

DECK B POWER 5V

DECK A OUTPUT "A"

100

DECK A

DECK B

1

DECK B GROUND

DECK A POWER 5V

R*

R*

R*

R*

* 2.2k EXTERNAL PULL-UP RESISTORS REQUIRED FOR OPERATION

ORDERING INFORMATION

Series
Style:
HR = High Torque, Redundant
Angle of Throw: 45 = 45° or 8 positions,30 = 30° or 12 positions,

22 = 22.5° or 16 positions

Termination: S = stripped cable, C = connector, P = pins
Cable Length: 020 = 2.0 inches. Cable is terminated with Amp Connector
P/N 1-215083-0. See Amp Mateability Guide for mating connector details.
*Eliminate cable length if ordering

pins. (Ex: 62HR22-H9-P)
Pushbutton Option:

0 = w/o pushbutton, 9 = 1100g

pushbutton

Rotational Torque:

H = High Torque

62HRXX-XX-020X

SPECIFICATIONS

Pushbutton Switch Ratings

Rating: at 5 Vdc, 10 mA, resistive

Contact Resistance: less than 10 ohms

(TTL or CMOS compatible)

Pushbutton Life: 3 million actuations

minimum

Voltage Breakdown: 250 Vac between

mutually insulated parts

Contact Bounce: less than 4 mS at make

and less than 10 mS at break

Actuation Force: 1100 ±300g

Encoder Ratings

Coding: 2-bit quadrature coded output

Operating Voltage: 5.0 ±.25 Vdc

Supply Current: 30 mA [email protected] Vdc

Logic Output Characteristics:

Logic High: 3.0 Vdc minimum

Logic Low: 1.0 Vdc maximum

Mechanical Life: 1,000,000 cycles minimum

(One cycle is a rotation through all positions

and a full return)

Minimum Sink Current: 2.0 mA for 5 Vdc

Power Consumption: 150mW maximum

Output: open collector phototransistor

Logic Rise and Fall: less than 30 mS

maximum

Operating Torque: 5.0 in-oz +/- 1.5 in-oz
initial
Shaft Push Out Force: 45 lbs minimum
Mounting Torque: 15 in-lbs maximum
Terminal Strength: 15 lbs cable pull-out
force minimum
Operating Speed: 100 RPM maximum

Environmental Ratings

Operating Temperature Range: -40°C to
85°C
Storage Temperature Range: -55°C to
100°C
Vibration Resistance: Harmonic motion with
amplitude of 15G, within a varied 10 to 2000
Hz frequency for 12 hours
Mechanical Shock: Test 1: 100G, 6 mS, half
sine, 12.3 ft/s; Test 2: 100G, 6 mS, sawtooth,
9.7 ft/s
Relative Humidity: 90–95% at 40°C for 96
hours

Materials and Finishes

Code Housing: Reinforced thermoplastic
Shaft: Stainless Steel

Bushing: Zinc casting
Shaft Retaining Ring: Stainless steel
Detent Spring: Stainless steel
Detent Ball: Stainless steel
Detent Section: Hiloy 610
Printed Circuit Boards: NEMA grade FR-4
gold over nickel or palladium
Terminals: Brass, tin-plated
Mounting Hardware: One brass, nickel-plated
nut and zinc-plated spring steel with clear
trivalent chromate finish lockwasher supplied
with each switch. (Nut is 0.094 inches thick by
0.433 inches across flats)
Rotor: Thermoplastic
Pushbutton Dome: Stainless steel
Phototransistor: Planar Silicon NPN
Infrared Emitter: Gallium aluminum
arsenide
Flex Cable: 28 AWG, stranded/top coated
wire, PVC coated on .050" centers (cabled
version)
Header Pins: Brass, tin-plated
Spacer: Hiloy 610
Shim: Stainless Steel
Backplate/Strain Relief: Stainless steel

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