Optical Encoders
SERIES 61C
16 or 32 Position with Pushbutton
FEATURES
• Competitively Priced to Similar
Electromechanical Switches
• Optically Coupled For More Than A
Million Trouble-Free Rotations
• Has Data Entry Pushbutton Switch
Activated By Switch Shaft
• Compatible With CMOS, TTL
and HCMOS Logic
• Operationally Used to Move Display
Icon and Input Data
• Used to Set Radio Frequency,
Drill Depth, RPM, etc.
DIMENSIONS In inches (and millimeters)
.521 ± .003 DIA.
(Ø 13,23 ± 0,08)
.152 ± .002
.750 ± .003
DIA.
(Ø 19,05 ± 0,08)
(3,86 ± 0,05)
TO BOTTOM
OF KEYWAY
.219 ± .003
(5,56 ± 0,08)
TO SHAFT
FLAT
3/8-32 UNEF-2A
THREAD
.250 DIA.
(Ø 6,35)
ANGLE
A ± 3˚*
.250
(6,35)
C
L
.025 ± .002
OF .750 DIA.
(Ø 19,05)
AND
.040
(1,02)
TO
.070
(1,78)
TRAVEL
(0,64 ± 0,05)
SQUARE PIN
(6 PLACES)
BUSHING
KEYWAY IS
.066 ± .002
(1,68 ± 0,05)
WIDE
KEYWAY
.420 (10,67)
.100 ± .005 TYP.
(2,54 ± 0,13)
.525 ± .010
(13,34 ± 0,25)
PIN 6
5 4 3 2 1
.140 (3,56)
MAX.
.375 (9,53)
.450 (11,43)
.050 ± .005 TYP.
(1,27 ± 0,13)
.100 (2,54)
.312 ± .020
(7,92 ± 0,51)
.728 (18,49)
.629
*ANGLE A
Centerline of switch to
perpendicular of shaft flat
± .005
(15,98
± 0,13)
32 Pos.
16 Pos.
28.125°
56.25°
Grayhill part number and date
code marked on label. Customer
part number marked on request.
Unless otherwise indicated, tolerances are ± .010 (0,25).
I-21
Grayhill, Inc. • 5 6 1 Hillgrove Avenue • LaGrange, Illinois 6 0 5 2 5 -5 9 9 7 • USA • Phone: 7 0 8 -3 5 4 -1 0 4 0 • Fax: 7 0 8 -3 5 4 -2 8 2 0 • www.grayhill.com