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Optical encoders, Specifications, Joystick operation – Grayhill Joysticks/NavCoders 60AR Series User Manual

Page 2: Encoder waveform and truth table, Specifications are subject to change, Joystick truth table, Encoder waveform (c.w. rotation) switch schematic, Encoder truth table (c.w. rotation), Environmental specifications, Joystick electrical & mechanical specifications

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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 WAVeFOrM AND TrUTH TABLe

Standard Quadrature 2-Bit Code

Specifications are subject to change

POSITION

X OUTPUT

Y OUTPUT

1

2.5

HIGH

2

HIGH

HIGH

3

HIGH

2.5

4

HIGH

LOW

5

2.5

LOW

6

LOW

LOW

7

LOW

2.5

8

LOW

HIGH

9

2.5

2.5

JOYSTICK

TRUTH TABLE

HIGH

LOW

HIGH

LOW

OUTPUT A

OUTPUT B

POS.

#1

POS.

#2

POS.

#3

POS.

#4

POS.

#5

POS.

#6

ENCODER WAVEFORM

(C.W. ROTATION)

SWITCH SCHEMATIC

1

7

8

OUTPUT A

OUTPUT B

NORMALLY OPEN

PUSHBUTTON

SWITCH

GROUND

R*

R*

5

6

4

3

POWER +5.0V

JOYSTICK

Y DIRECTION

JOYSTICK

X DIRECTION

2

10k

10k

10k

10k

180

EXTERNAL PULL-UP RESISTORS REQUIRED FOR OPERATION (2.2k

).

*

JOYSTICK POSITION DIAGRAM

* INDICATES DIRECTION OF

D-FLAT ON BUSHING

5

1*

8

7

6

4

3

2

POSITION

OUTPUT A

OUTPUT B

#1

#2

#3

#4

INDICATES LOGIC-HIGH
INDICATES LOGIC-LOW

CODE REPEATS EVERY FOUR POSITIONS

ENCODER

TRUTH TABLE

(C.W. ROTATION)

SPeCiFiCATiONS

environmental Specifications

Operating Temperature range: -40

o

C to 85

o

C

Storage Temperature range: -40

o

C to 100

o

C

Humidity: 96 hours at 90-95% humidity at 40

o

C

Mechanical Vibration: Harmonic motion with amplitude of 15g, within
a varied 10 to 2000 Hz frequency for 12 hours
Mechanical shock:
Test 1: 100g for 6Ms half sine wave with velocity change of 12.3 ft/s.
Test 2: 100g for 6 Ms sawtooth wave with velocity change of 9.7 ft/s.
Shaft and panel Seal: IP67, 1 meter submersion for 30 minutes

Joystick electrical & Mechanical Specifications

Supply Current: 5 Ma, maxium
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 (Joystick): 500k actuations, minimum
in each direction
Actuation Force (Joystick): 1500±300g (X&Y directions only)
Angle of Throw: 3.5

o

+2/1

o

(X&Y directions only, at electrical contact)

Pushbutton electrical & Mechanical Specifications

rating: 10 Ma at 5 Vdc, resistive
Contact resistance: Less than 10 Ω
Contact Bounce: <4 Ms make, <10 Ms break
Mechanical Life (Pushbutton): 1 million actuations, minimum
Actuation Force (Pushbutton): 1600±400g
Pushbutton Travel: .015±.005 in

rotary electrical & Mechanical Specifications

Operating Voltage: 5.00±25 Vdc
Supply Current: 20 Ma, maximum at 5 Vdc
Minimum Sink Current: 2.0 Ma for 5 Vdc
Output: Open collector phototransister, external pull-up resistors
are required
Output Code: 2-bit quadrature, channel "A" leads channel "B"
by 90

o

electrically during clockwise rotation of the shaft

Logic Output Characteristics: Logic-high shall be no less than
3.5 Vdc, Logic-low shall be no greater than 1.0 Vdc
Optical rise Time: 30 µs, maximum
Optical Fall Time: 30 µs, maximum
Mechanical Life (rotational): 1 million cycles, minimum
(1 cycle is a rotation through all positions and a full return)
Average rotational Torque: 8.0±30% in-oz, initial
Shaft Push-out Force: 60 lbs, minimum before failure
Shaft Side-load Force: 25 lbs, minimum before failure
Terminal Strength: 15 lbs pull-out force, minimum for cable
or header termination
Solderability: 95% free of pin holes or voids
Maximum rotational Speed: 100 Rpm
Mounting Torque: 15 in-lbs maximum