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
Optical and Mechanical
Encoders
In inches (and millimeters)
.521 ± .003 DIA.
(Ø 13,23 ± 0,08)
.219 ± .003
(5,56 ± 0,08)
TO SHAFT
FLAT
.152 ± .002
(3,86 ± 0,05)
TO BOTTOM
OF KEYWAY
ANGLE
A ± 3˚*
.250 DIA.
(Ø 6,35)
.250
(6,35)
3/8-32 UNEF-2A
THREAD
.750 ± .003
DIA.
(Ø 19,05 ± 0,08)
C
L
OF .750 DIA.
(Ø 19,05)
AND
KEYWAY
.525 ± .010
(13,34 ± 0,25)
PIN 6 5 4 3 2 1
BUSHING
KEYWAY IS
.066 ± .002
(1,68 ± 0,05)
WIDE
.040
(1,02)
TO
.070
(1,78)
TRAVEL
.375 (9,53)
.025 ± .002
(0,64 ± 0,05)
SQUARE PIN
(6 PLACES)
.100 ± .005 TYP.
(2,54 ± 0,13)
.050 ± .005 TYP.
(1,27 ± 0,13)
.629
± .005
(15,98
± 0,13)
XX
X
.420 (10,67)
.140 (3,56)
MAX.
.100 (2,54)
.728 (18,49)
.450 (11,43)
.312 ± .020
(7,92 ± 0,51)
*ANGLE A
Centerline of switch to
perpendicular of shaft flat
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. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
LL
21
GRAYHILL [ GRAYHILL, INC ]
