beautypg.com

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

Page 2

background image

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