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
WAVEFORM AND TRUTH TABLE Standard Quadrature 2-bit Code
SPECIFICATIONS
Electrical Ratings
Operating Voltage: 5 Vdc +/-.25 Vdc
Supply Current: 30mA maximum at 5 Vdc
Logic High: 3.0V minimum
Logic Low: 1.0V maximum
Logic Rise and Fall: less than 30 ms
Pushbutton Switch Ratings
Rating: 5.0 Vdc at 10mA 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
and less than 10 ms at break
Actuation Life: 3,000,000 operations
Actuation Force: 6: 600 +/- 200 grams
4: 450 +/- 150 grams
Shaft Travel:
.015 ± .010 inch
Mechanical Ratings
Operating Torque:
H: 1.4 in-oz +/- 0.6 in-oz initial
L: 0.6 in-oz +/- 0.3 in-oz initial
N: ∠0.5 in-oz initial
Rotational Life:
H&L: 500,000 cycles
N: 2 million cycles
(1 cycle = 360 degree rotation and return)
Shaft Push Out Force:
20 lbs minimum
Operating Speed: 100 RPM maximum
Axial Shaft Play: .010 maximum
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
Mechanical Shock Resistance:
Test 1: Tested at 100g for 6mS, half sine,
12.3 ft/s.
Test 2: 100g for 6mS, Sawtooth, 9.7 ft/s
Materials and Finishes
Code/Pushbutton Housing: Thermoplastic
Shaft: Thermoplastic
Code/Detent Rotor: Reinforced
Thermoplastic
Bushing: Thermoplastic
Terminal Pins: Brass, Tin plated
Detent Spring: Stainless Steel
Dome: Stainless Steel
Pushbutton Contact: Nickel plated brass
Phototransistor: Planar Silicon
Detent Balls:
.0625 dia. Stainless Steel
Infrared Emitter:
Gallium Aluminum Arsenide
Label:
White Thermal Transfer Cast Film.
Adhesive Coated
Bracket: Stainless Steel, Tin plated
ORDERING INFORMATION
Encoder
6
1
2
3
4
5
6
POWER (+5.0 V)
OUTPUT B
OUTPUT A
GROUND
PUSHBUTTON
PUSHBUTTON
10K *
10K *
150 *
*10K EXTERNAL PULL-UP RESISTORS REQUIRED ON PIN 3 AND PIN 4
*150
EXTERNAL RESISTOR REQUIRED ON PIN 1
HIGH
LOW
HIGH
LOW
OUTPUT A
OUTPUT B
POS.
#1
POS.
#2
POS.
#3
POS.
#4
POS.
#5
POS.
#6
POSITION OUTPUT A OUTPUT B
#1
#2
#3
#4
INDICATES LOGIC HIGH
CODE REPEATS EVERY FOUR POSITIONS.
662PXX-XXX2PXX-XXX
Rotational Torque: N - Non-detent
L - Low tor
que
H - High tor
que
Series
Angle of Throw: 22-16 Position (22°)
Pushbutton Force: 0 - No Pushbutton
4 - 450 gr
ams
6 - 600 gr
ams
Shaft Option: Blank - Standard ?.187 Shaft
S
- ?.250
Shaft Sleeve
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