Optical and Mechanical
Encoders
Optical Encoders
SERIES 61B
16, 24, or 32 Position,
Optional Pushbutton
FEATURES
Positions Screen Cursor
More Friendly than Keyboards
Permits Visual Concentration
Economic Touchscreen Alternative
Pushbutton for Entry Function
Detent for Tactile Feedback and
Minimal Backlash
Optical Coupled for Long Life
Rugged Construction
APPLICATIONS
Display Input Incremental Input
The Series 61 rotary encoder switch can move Use the Series 61 with an interface chip to
cursor or icon on a display. Use the rotary and provide step by step input for setting radio
pushbutton switch to simply select a menu frequency, drill depth, RPM, etc. These changes
item and enter it, or write more elaborate are usually a few steps, and you need not turn
display software. Use the Series 61 to input the switch several revolutions for the desired
limit settings for a monitored function. Change value. Some examples are as follows:
an item on a checklist to a new value while Robot Position Volume Setting
viewing the remainder of the list. Radio Tuning Limit Setting
Motor Control
DIMENSIONS In inches (and millimeters)
Diagram illustrates a 16-position switch with integral pushbutton switch.
.859 .020
(22,1 0,5)
.769 .025
.375 .020 .200 .010
A 3
(19,5 0,6)
(9,5 0,5) (5,1 0,5)
.250 .002
.562 .015
(6,35 0,05)
.312 .020
.050 .005
.152 .002
(14,3 0,4)
DIA.
(7,9 0,5)
(1,3 0,1)
(3,86 0,05)
.015/ .040
(0,38/ 1,02)
PIN 1
TRAVEL
PIN 2
.767 .020
PIN 3
(19,48 0,51)
PIN 4
SQUARE
PIN 5
.219 .066 .002
.250 .020
PIN 6
.004 (1,68 0,05)
(6,4 0,5)
(5,6
.100 .005
0,1)
(2,5 0,1) .293 .010 (7,4 0,25)
3/8-32 UNEF-2A THREAD
C OF SWITCH TYPICAL
L
C OF SWITCH
.025 .002 (0,6 0,1) L
C SQUARE PIN (6 PLACES) C
OF SHAFT FLAT OF PINS
*ANGLE A
L L
Centerline of switch to
perpendicular of shaft flat
Grayhill part number and date
code marked on label. Customer
32 Pos. 5.63
part number marked on request.
24 Pos. 7.50
16 Pos. 11.25
.375 .020
DIM. XXX* .30 (7,62)
.950 (24,13) MAX.
A 3
(9,53 0,51) .562
.015
.312 .020
.250 .002
(14,27
(7,92 0,51)
(6,35 0,05)
.152 .002
0,38)
DIA.
(3,86 0,05)
.015/.040
(0,38/1,02)
PIN #1
TRAVEL
.767
PIN #2
.020
PIN #3
(19,48
PIN #4
0,51)
.219 .004
PIN #5
SQUARE
(5,56 0,10)
PIN #6
.066 .002
(1,68 0,05)
3/8-32 UNEF-2A THREAD
*See Ordering Information
C OF SWITCH
L
.250 .020
for cable length.
(6,35 0,51)
C OF SHAFT FLAT
L
Unless otherwise indicated, tolerances are .010 (0,25).
I-19 Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.comOptical and Mechanical
Encoders
Optical Encoders
SPECIFICATIONS
Pushbutton Switch Ratings Materials and Finishes
Rating: 5 Vdc, 10 mA, Resistive Detent Cover: Thermosetting plastic
Operating Torque: 2.0 .75 in-oz
Bushing: Zinc casting, cadmium-plated per
Contact Resistance: less than 10 (TTL or
Rotational Life: more than 1,000,000 cycles
QQP416, Class 2, Type II
CMOS Compatible) of operation (1 cycle = 360 rotation and
Voltage Breakdown: 250 Vac between Shaft: Reinforced thermoplastic Note: Earlier
return)
versions may have electropolished stainless
mutually insulated parts. Shaft Push Out Force: 50 lbs minimum
Contact Bounce: Less than 4 milliseconds at steel shafts (still available in customs only).
Mounting Torque: 15 in-lbs maximum
Detent Balls: Passivated, stainless steel
make and less than 10 milliseconds at break
Detent Spring: Tinned music wire
Actuation Life: 3,000,000 operations
Environmental Ratings
Actuation Force: Maximum actuation force Printed Circuit Boards: NEMA Grade FR-4
Operating Temperature Range: -40C to 85C
Board Terminals: Copper alloy, CDA No. 725
of 615 grams and a minimum actuation force
Storage Temperature Range: -55C to 100C
of 415 grams. Through Bolts: Stainless steel, unplated
Vibration Resistance: Harmonic motion with
Through Bolt Nuts: Stainless steel
amplitude of 15g, within a varied 10 to 2000
Switch Assembly Cover and Code Rotor:
Encoder Ratings
Hz frequency for 12 hours per MIL-STD-202,
PBT polyester thermoplastic
Coding: 2-bit quadrature coded output
Method 204
Mounting Hardware: One brass, cadmium-
Operating Voltage: 5 .25 Vdc
Shock Resistance: Test 1: 100g for 6 mS half
plated nut and lockwasher supplied with each
Supply Current: 30 mA maximum at 5 Vdc sine wave with velocity change of 12.3 ft/s.
switch. Nut is 0.094" thick by 0.562" across flats.
Logic High: 3.8V minimum
Test 2: 100g for 6 mS, sawtooth wave with
Strain Relief: PBT polyester thermoplastic
Logic Low: 0.8V maximum velocity change of 9.7 ft/s.
(cable version only)
Logic Rise and Fall Times: Rise Time less
Relative Humidity: 9095% at 40C for 96
Cable: 26 AWG, stranded/tinned wire, PVC
than 30 mS at 16.6 RPM. Fall Time less tham
hours
coated on .100 (2,54) centers (cable version
30 mS at 16.6 RPM.
only)
CIRCUITRY, TRUTH TABLE, AND WAVEFORM: Standard Quadrature 2-Bit Code
PIN#
Clockwise Rotation
Position Output A Output B
POWER +5V
6
1
R*
2
150
OUTPUT A 5
3
R*
4
OUTPUT B
4
Indicates logic high; blank indicates logic
low. Code repeats every 4 positions.
3
N.O.
PUSHBUTTON
HIGH
OUTPUT
SWITCH
A
2
LOW
HIGH
OUTPUT
GROUND
1
B
LOW
*EXTERNAL PULL UP RESISTORS REQUIRED FOR OPERATION. 8.2 k
1 2 3 4 5 6
IS SUGGESTED FOR TTL; 3.3 k IS SUGGESTED FOR CMOS
POSITION NUMBER
ORDERING INFORMATION
Series
Style: B = Standard, unsealed
Angle of Throw: 11 = 11.25 or 32 Positions
15 = 15 or 24 Positions
22 = 22.25 or 16 Positions
Coding: 01 = Quadrature
Pushbutton Option: 01 = Without pushbutton, 02 = With pushbutton
61B110102020
Termination: Blank (no dash or numbers) = pins as described in drawing
Cable Termination 020 = 2.0 inches minimum to 250 = 25 inches maximum. Provided in increments
of 1/2 inch. Example 035 = 3.5", 060 = 6 inches. Cable is terminated with standard Amp Connector
640442-6. Use any 6 position, .100 center header to mate with the cable assembly. Contact Grayhill
Custom shaft and bushing lengths, shaft/panel seal, and additional supply voltages are available through Grayhill only.
Control knobs available, see page I-57.
Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill.
ACCESSORIES
See page I-41.
Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com I-20