
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
.934
.687
.687
Ø
MOUNTING SURFACE
.480
.702
.572
.995
.312
.687
.445
.524
7 PLCS.
.079
.125
.250
.094
±.005
.210
45° X
.010
1/4-32 UNEF-2A THREAD
1
2
34
5
67
8
910
11 12 13 14 15 16
SEE DETAIL PINOUT
DETAIL PINOUT
SERIES 61M
Optically Coupled for Simulated
Mechanical Rotary Switch Output
FEATURES
•OpticalAlternativetoRotary
Contacts
•OnePulsePerDetentPosition
PerRotation
•LongLifeofaMillionCycles
•WithorWithoutPushbutton
•ContinuousRotationandFixed
StopsAvailable
•RuggedConstruction
Unlessotherwisespecied,standardtoleranceis±.010(0,25).
DIMENSIONS Ininches(andmillimeters)
Applications
•Avionics
•Anyapplicationrequiring
rotaryswitchoutputand
theincreasedreliability
ofanopticaldevice.