Optical encoders – Grayhill Human Interface Optical Encoders 61M Series User Manual
Page 2

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
SPeCiFiCATiONS
Pushbutton Specifications
rating: 10mA at 5 Vdc
Contact resistance: Less than 10 Ohms
Contact Bounce: Less than 4 mS at make
and less than 10 mS at break
Actuation Life: 3,000,000 actuations
Actuation Force: 8- 850±200g, 5- 550±200g
Shaft Travel: .020±.010 inch
rotary Specifications
rating: 5.0 ± .25 Vdc
Supply Current: 60mA maximum at 5 Vdc
Output: Open collector phototransistor,
external pull-up resistors are required
Output Code: One pulse per position per
rotation (360 degrees CW/CCW)
Logic High: 3.0V minimum
Logic Low: 1.0V maximum
Power Consumption: 300mW maximum
Mechanical Life: 1 million cycles of
operation (1 cycle=360° rotation)
rotational Torque: H- 10.0±3.0 in*oz,
(initial)
L- 4.0±1.5 in*oz
(torque shall be within 50% of initial value
throughout life)
Shaft Pushout Force: 50 lbs. minimum
Shaft Pullout Force: 50 lbs. minimum
environmental
Operating and Storage Temperature
range: -40°C to +85°C
Humidity: 90-95% Relative Humidity at
40°C for 96 hours
Vibration: Harmonic motion with amplitude
of 15g, within a varied frequency of
10-2000 hZ
Mechanical Shock: 100g’s, 6 ms, Half Sine,
12.3 ft/s and 100g’s, 6 ms, Sawtooth, 9.7 ft/s
Series
“M” Style
Angle of Throw: Detent
12 = 30° or 12 positions
61MXX-XX
Pushbutton Force: 0 = no PB, 5 = 550g, 10 = 1,000g
rotational Torque: L = low torque, H = high torque
OrDeriNG iNFOrMATiON
Available from your local Grayhill Component Distributor. For prices and discounts, contact a local Sales Office, an authorized local
Distributor, or Grayhill.
Custom materials, styles, colors, and markings are available. Control knobs available.
CirCUiTrY and TrUTH TABLe
Materials and Finishes
Shaft: Stainless steel
Detent/Bushing Housing: Stainless steel
Code rotor: Reinforced Thermoplastic
Stop Arm: Stainless steel
Deck Spacer: Reinforced thermoplastic
Detent Springs: Piano wire
Detent Balls: Nickel plated stainless steel
Pushbutton Actuator: Zytel 70G33L
Domes: Stainless steel
Backplate: Reinforced Thermoplastic
Printed Circuit Boards: NEMA Grade FR-4,
double clad copper, gold plated over nickel
Phototransistor: Planar silicone
infrared emitter: Gallium aluminum arsenide
Solder Pins: Tin plated brass
Header: Hi-temp glass filled thermoplastic
UL94V-0, phosphor bronze
resistor: Metal oxide on ceramic substrate
P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12
1
•
2
•
3
•
4
•
5
•
6
•
7
•
8
•
9
•
10
•
11
•
12
•
POSITION
PiN NUMBer
Note:
Blank Indicates high state
•
Indicates low state
Code repeats every 12 positions
Note: External pull-up resistors required pins 1-12.
Pushbutton Force
Rotational
Torque
0
none
5
550g
10
1,000g
L
5in-oz
L0
L5
L10
H
10in-oz
H0
N/A
H10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PB
+5
G
PB