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
JOYSTiCK OPerATiON +
eNCODer
WAV
eFOrM AND TrUTH TABLe
Standard Quadrature 2-Bit Code
NEUTRAL
NEUTRAL
NEUTRAL
NEUTRAL
NEUTRAL
NEUTRAL
SPeCiFiCATiONS
rotary Specifcations
Operating Voltage: 5.00 ± 0.25 Vdc
Supply Current: 20mA max at 5 Vdc
Minimum Sink Current: 2.0mA at 5 Vdc
Power Consumption:
0.1mW max at 5 Vdc
Output: Open collector phototransistor,
2.2k W
external pull-up resistors are required
Output Code:
2-Bit quadrature, channel A
leads channel B by 90° in clockwise rotation
Logic Output Characteristics:
High: No less than 3.5 Vdc
Low: No greater than 1.0 Vdc
Mechanical Life:
1 million rotational cycles
(through all positions and a full return)
rotational Torque: see table
Maximum rotational Speed: 100 RPM
Mounting Torque:
15 in-lbs. maximum
Shaft Push/Pull Out Force: 45 lbs min.
Shaft Side-Load Force:
20 lbs. min.
Terminal Strength: 15 lbs pull-out force min.
Pushbutton Specifcations
rating: 10 mA at 5 Vdc resistive
Contact resistance:
less than 10 ohms
Contact Bounce:
< 4ms make, <10 ms break
Mechanical Life:
1 million actuations min.
Actuation Force: see table
Pushbutton Travel:
.027 ± .010 in.
Joystick Specifcations
Supply Current: 5mA max
Output Code:
2-Bit
Logic Output Characteristics:
Neutral Position: 2.5 ± 0.5 Vdc
High-State Position: >4.5 Vdc
Low-State Position: <0.5 Vdc
Mechanical Life:
500k cycles min.
Actuation Force: see table
Angle of Throw:
3.5° +2°/-1°
environmental ratings
Operating Temp. range:
-40°C to 85°C
Storage Temp. range: -55°C to 100°C
relative Humidity: 96 hours at 90-95%
humidity at 40°C
Vibration:
Harmonic motion with amplitude of
15g, within 10 to 2000 Hz for 12 hours
Mechanical Shock:
Test 1: 100g for 6ms half-sine wave with a
velocity change of 12.3 ft/s
Test 2: 100g for 6ms sawtooth wave with a
velocity change of 9.7 ft/s
Materials and Finishes
Detent Housing: Nylon 6/10
Shaft:
Nylon 6/10
Shaft insert:
303 stainless steel
Joystick Housing: Nylon 6,10
Centering Plate:
Nylon 6,10
Detent Balls:
Carbon steel
Detent Springs: Music wire
Dome Contacts:
Stainless steel
Dome Housings:
Polycarbonate over brass-
lead frame
Dome retainers:
Nylon 6,0; 30% glass-flled
Joystick Actuators: Polyphthalamide; 50%
glass flled
Pushbutton Dome retainer: Polycarbonate
Printed Circuit Board: NEMA grade FR-4.
Glass-cloth epoxy, double clad with copper
infrared emitter: Gallium arsenide
Phototransistor: Planar silicon
resistors: Metal oxide on ceramic substrate
Solder: 95.5% SN, 3% AG, 0.5% CU
OPTiONS
Contact Grayhill for custom terminations,
rotational torque, number of positions, shaft
confgurations, and resolutions.
发布紧急采购，3分钟左右您将得到回复。
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