encoder revised2

Optical Encoders
SERIES 61M
Optically Coupled for Simulated
Mechanical Rotary Switch Output
FEATURES
• Optical Alternative to Rotary
Contacts
• One Pulse Per Detent Position
Per Rotation
• Long Life of a Million Cycles
• With or Without Pushbutton
• Continuous Rotation and Fixed
Stops Available
• Rugged Construction
• 8, 10 and 12 Positions Available
Applications
• Avionics
• Any application requiring rotary
switch output and the increased
reliability of an optical device
DIMENSIONS In inches (and millimeters)
Optical and Mechanical
Encoders
.524
13,31
.445
11,30
.022 DIA
0,56
16 PLACES
10
9
11 12
8
7
PB +5
6
5
4
3
G
PB
1
2
DETAIL “A”
PINOUT
.590
14,99
SEE DETAIL A
.079
2,01
14 PLACES
.094
2,38
.375 ± .02
9,52 ± 0,50
.202
5,13
.010 X 45°
.312
7,92
1/4"
32-UNEF-2A
THREAD
.750 ± .020
19,05 ± 0,50
.250 ± .010
6,35 ± 0,25
-01
61M12-02-01
XXXX X
X
.579
14,71
.031
0,79
.046
1,17
.687
17,45
Unless otherwise specified, standard tolerance is ±.010 (0,25).
Encoder
58
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Optical Encoders
POSITION
CIRCUITRY, TRUTH TABLE, AND WAVEFORM Standard Quadrature 2-Bit Code
SWITCH SCHEMATIC
1
R1
R1
R1
R1
R1
2
R1
PIN NUMBER
P1
•
3
4
5
P2
•
P3
•
P4
•
6
P5
•
7
PIN
#
16
15
14
13
12
11
10
9
8
+5
G
7
6
5
4
3
2
1
8
9
P6
•
P7
•
P8
•
10
P9
•
11
N.O. PUSHBUTTON
12
Note: External pull-up resistors required for operation. 20ký is suggested.
P10 P11 P12
•
•
•
Note:
Blank Indicates high state
• Indicates low state
Code repeats every 12 positions
Pushbutton Ratings
Switch Ratings
Materials and Finishes
Operating Voltage: 5 Vdc, 60mA maximum,
resistive
Contact Resistance: Less than 10 Ohms
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: Maximum actuation force
of 650 grams and a minimum force of 300
grams
Pushbutton Travel: .010/.025
Output: One pulse per position per rotation
(360 degrees CW/CCW)
Operating Voltage: 5.0 ± .25 Vdc
Supply Current: 60mA maximum at 5 Vdc
Logic High: 3.8V minimum
Logic Low: .8V minimum
Logic Rise and Fall Time: 30mS Typ.
Code Housing: Nylon (Red) Hiloy 610
Detent Housing: Stainless Steel
Rotor: Reinforced Thermoplastic, 30% Glass
Filled Polyester
Bushing: Zinc Die Cast, Cadmium Plated
Shaft: Stainless Steel
Detent Balls: 302 Stainless Steel
Through Bolts: 305 Stainless Steel
Through Bolt Nuts: Stainless Steel
Printed Circuit Boards: NEMA Grade FR-4
Terminals: Copper Alloy
Aperture: Chem Etched Stainless Steel and/
or Electroformed Nickel
Dome Retainer: Thermoplastic
Mounting Hardware: One Brass, cadmiumplated nut and lockwasher supplied with each
switch
Mechanical Ratings
Life Expectancy: 1 million cycles of
operation; (1 cycle=360° rotation and return)
Rotational Torque: 10 in-oz. ±3 in-oz.
customs also available.
Shaft Pushout Force: 50 lbs. minimum
Mounting Torque: 20 in-lbs. maximum
Environmental
Operating Temperature Range: -40°C to
+85°C
Storage Temperature Range: -55°C to +
100°C
Vibration: MIL-STD 202, Method 204,
Condition B
Mechanical Shock: 100g’s, 6 ms, Half Sine,
12.3 ft/s and 100g’s, 6 ms, Sawtooth, 9.7 ft/s
Humidity: 90-95% Relative Humidity at
40°C for 96 hours
OPTIONS
Contact Grayhill for customer application needs.
ORDERING INFORMATION
Series
“M” Style
Angle of Throw: Detent
08 = 45° or 8 positions
10 = 36° or 10 positions
12 = 30° or 12 positions
61MXX-XX-XX
Termination: 01 = without terminal pins, 02 = with terminal pins
Pushbutton Option: 01 = without P.B., 02 = with P.B.
Custom materials, styles, colors, and markings are available. Control knobs available.
Available from your local Grayhill Component 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
Encoder
59
Optical and Mechanical
Encoders
SPECIFICATIONS