Optical Encoders
SERIES 62C
Concentric Shaft
FEATURES
• Economical Size
• Combined Functionality
• Optically Coupled for More than a Million Cycles
of Operations
• Optional Integral Pushbutton
• Compatible with CMOS, TTL, and HCMOS
Logic
• Available with 12, 16, 24, and 32 Detent
Positions for Each Code Section
• Choices of Cable Length and Terminations
• Available in 3.3 Volt Input.
(Contact Grayhill for details)
APPLICATIONS
• Used to Set Radio Frequency, Drill Depth, RPM,
Menu Selection, Parameter Selection for Patient
Monitoring Devices, etc.
DIMENSIONS
In inches (and millimeters)
G R AY H I L L
8 7 6 5 4 3 2 1
.125
±
.002
(3,18
±
0,05)
.250
±
.005
(6,35
±
0,13)
.250
±
.005
(6,35
±
0,13)
G R AY H I L L
8 7 6 5 4 3 2 1
62CXXXX-XX-XXXC
XXXX X-X
Optical and Mechanical
Encoders
.230
±
.050
(5,84
±
1,27)
Pin Version
3/8-32 UNEF-2A
THREAD. TO BE
WITHIN .030 (0,76)
OF SHOULDER
.250
±
.002
(6,35
±
0,05)
DIM "A"
±
.20
(DIM "A"
±
5,08)
.100 (2,54)
STRIPPED
AND TINNED
Cable Version
28 AWG CABLE
WIRES ON
.050 (1,27)
CENTER
C
L
.066
±
.005
(1,68
±
0,13)
.540
±
.010
(13,72
±
0,25)
.152
±
.005
(3,86
±
0,13)
.360
±
.010
(9,14
±
0,25)
.490
±
.010
(12,45
±
0,25)
.375
±
.015
(9,53
±
0,38)
.312
±
.005
(7,92
±
0,13)
C
L
.460
±
.010
(11,68
±
0,25)
.580
(14,73)
.250
±
.005
(6,35
±
0,13)
.250
±
.005
(6,35
±
0,13)
.500
±.010
(12,7
±
0,25)
.094
±
.004
(2,39
±
0,1)
.219
±.004
(5,56
±
0,1)
.375
±
.015
(9,53
±
0,38)
CONNECTOR
IS AMP P/N
215083-8
.040 (1.02)
.933 (23,69) REF.
I-11
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Optical Encoders
CIRCUITRY, TRUTH TABLE AND WAVEFORM: Standard Quadrature 2-Bit Code
PIN#
POWER +5V
R*
Clockwise Rotation
Position Output A Output B
1
100Ω
100Ω
8
OUTPUT A
DECK A
R*
7
OUTPUT B
DECK A
R*
6
2
3
4
•
•
OUTPUT A
DECK B
R*
5
Indicates
•
logic low.logic high; blank indicates
Code repeats every 4
positions.
OUTPUT
A
HIGH
LOW
HIGH
LOW
1
2
3
4
5
6
•
•
OUTPUT B
DECK B
N.O.
PUSHBUTTON
SWITCH
DECK B
4
3
2
OUTPUT
B
GROUND
1
* External pull-up resistors required for operation (2.2kΩ)
POSITION NUMBER
SPECIFICATIONS
Pushbutton Switch Ratings
Rating:
5 Vdc, 10 mA, resistive
Contact Resistance:
less than 10 ohms (TTL
or CMOS compatible)
Voltage Breakdown:
250 Vac between mutually
insulated parts
Contact Bounce:
less than 4 mS at make, less
than 10 mS at break
Actuation Life:
3,000,000 operations
Actuation Force:
1000 ± 300 grams
Rotational Life:
more than 1,000,000 cycles
of operation (1 cycle = 360° rotation and
return)
Shaft Push Out Force:
45 lbs minimum
Mounting Torque:
15 in-lbs maximum
Operating Speed:
100 RPM maximum
Axial Shaft Play:
.010 maximum for each
shaft
Materials and Finishes
Bushing:
Zinc casting
Shaft:
Aluminum
Shaft Retaining Ring:
Stainless steel
Detent Spring:
Stainless steel
Printed Circuit Board:
NEMA grade FR-4
Terminals:
Brass, tin-plated
Mounting Hardware:
One brass, nickel-plated
nut and lockwasher supplied with each switch.
(Nut is 0.094 inches thick by 0.562 inches
across flats)
Rotor:
Thermoplastic
Code Housing:
Reinforced thermoplastic
Pushbutton Dome:
Stainless steel
Pushbutton Housing:
Thermoplastic
Pushbutton Contact:
Brass, nickel-plated
Dome Retaining Disk:
Thermoplastic
Strain Relief:
Stainless steel
Cable:
28 AWG, stranded/top coated wire,
PVC coated on .050 centers
(cable version only)
Header Pins:
Phosphor bronze, tin-plated
Insulator:
Glass-filled polyester
Spacer:
Zinc casting
Optical and Mechanical
Encoders
Encoder Ratings
Coding:
2-bit quadrature coded output
Operating Voltage:
5 ± .25 Vdc
Supply Current:
50 mA maximum at 5 Vdc
Logic High:
3.8V minimum
Logic Low:
0.8V maximum
Logic Rise and Fall Times:
less than 30 mS
Operating Torque:
2.0 in-oz ± 1.4 in-oz
initially
Environmental Ratings
Operating Temperature Range:
-40°C to 85°C
Storage Temperature Range:
-55°C to 100°C
Relative Humidity:
90–95% at 40°C for 96
hours
Vibration Resistance:
Harmonic motion with
amplitude of 15g, within a varied 10 to 2000 Hz
frequency for 12 hours per MIL-STD-202,
Method 204
Shock Resistance:
Test 1: Tested at 100g
for 6 mS, half sine, 12.3 ft/s Test 2: 100g for
6 mS, sawtooth, 9.7 ft/s
ORDERING INFORMATION
Series
Style:
C = Concentric
Angle of Throw (Deck A):
11 = 11.25° or 32 positions,
15 = 15° or 24 positions, 22 = 22.5° or 16 positions, 30 = 30° or 12 Positions
Angle of Throw (Deck B):
11 = 11.25° or 32 positions,
15 = 15° or 24 positions, 18 = 18° or 20 positions,
22 = 22.5° or 16 positions, 30 = 30° or 12 Positions
62C2211- 02 - 020 C
Termination:
S = stripped cable, C = connector, P = pins
Cable Length*:
020 = 2.0 inches minimum to 250 = 25.0 inches maximum
Provided in increments of 1/2 inch.
Example: 035 = 3.5", 060 = 6"
*Eliminate
cable length if ordering pins.
(Ex: 62C2211-02-P)
Pushbutton Option:
01 = w/o pushbutton
02 = with pushbutton
Custom custom shaft, pushbutton actuation force and termination options are available. Control knobs available, see page I-57.
Available from your local Grayhill Distributor.
For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill.
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
I-12
