Grayhill, Inc. ? 561 Hillgrove Avenue ? LaGrange, Illinois 60525-5997 ? USA ? Phone: 708-354-1040 ? Fax: 708-354-2820 ? www.grayhill.com
Optical and Mechanical
Encoders
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)
Unless otherwise indicated, tolerances are ± .010 (0,25).
.219 ± .003
(5,56 ± 0,08)
TO SHAFT
FLAT
.521 ± .003 DIA.
(?
13,23 ± 0,08)
.152 ± .002
(3,86 ± 0,05)
TO BOTTOM
OF KEYWAY
ANGLE
A ± 3?*
BUSHING
KEYWAY IS
.066 ± .002
(1,68 ± 0,05)
WIDE
.450 (11,43)
.525 ± .010
(13,34 ± 0,25)
OF .750 DIA.
(? 19,05)
AND
KEYWAY
C
L
PIN 6 5 4 3 2 1
LL
21
.420 (10,67)
.312 ± .020
(7,92 ± 0,51)
.375 (9,53)
3/8-32 UNEF-2A
THREAD
.250 DIA.
(? 6,35)
.250
(6,35)
.025 ± .002
(0,64 ± 0,05)
SQUARE PIN
(6 PLACES)
.040
(1,02)
TO
.070
(1,78)
TRAVEL
.728 (18,49)
.100 (2,54)
.140 (3,56)
MAX.
XX
X
.750 ± .003
DIA.
(? 19,05 ± 0,08)
.100 ± .005 TYP.
(2,54 ± 0,13)
.050 ± .005 TYP.
(1,27 ± 0,13)
.629
± .005
(15,98
± 0,13)
*ANGLE A
Centerline of switch to
perpendicular of shaft flat
32 Pos. 28.125°
16 Pos. 56.25°
Grayhill part number and date
code marked on label. Customer
part number marked on request.
I-21