
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
CirCuitry
SPeCiFiCAtionS
ratings
operating Voltage:5±.25VDC
Supply Current:85mAmaximumat5VDC
Life:1millioncyclesofoperation;1cycleis
rotationthroughallpositionsandafullreturn
rotational torque:12±4in-oz(initial)
output High:3.8VminimumforCMOS&
HCMOS;2.7VminimumforTTL
output Low:0.8Vmaximum
Shaft Push out Force:25lbs.
mounting torque:10in-lbmaximum
Load Current:5mAmaximumperchannel
Logic rise and Fall times:30mSectypical
trutH tABLe
+5VOLTS
BIT0
BIT1
BIT2
BIT3
BIT4
GROUND
1
2
3
4
5
6
7
R*
*EXTERNALPULL-UPRESISTORSREQUIREDFOROPERATION(4.7k)
4 Bit, 16 PoSition
Position
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
B1
B2
B3
B4
INDICATESLOGICHIGH
BLANKINDICATESLOGICLOW
3 Bit, 8 PoSition
Position
1
2
3
4
5
6
7
8
B2
B3
B4
INDICATESLOGICHIGH
BLANKINDICATESLOGICLOW
Position
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
B0
B1
B2
B3
B4
5 Bit, 32 AnD 24 PoSition
INDICATESLOGICHIGH
BLANKINDICATESLOGICLOW
Series
Style: A=Absolutepositionsensing
number of positions: 32=32positionswith10°ofthrow
24=24positionswith12°ofthrow
16=16positionswith18°ofthrow
8=8positionswith36°ofthrow
61A32-060
termination:060=6.0inchescableterminatedwithMolexconnectorP/N14-56-2074.
orDering inFormAtion
Available from your local grayhill Component Distributor.
Forpricesanddiscounts,contactalocalsalesoffice,anauthorizedlocaldistributor,orGrayhilldirect.
environmental
operating temp. range:-40°Cto+85°C
Storage temp. range:-55°Cto+100°C
Vibration:MIL-STD202,method204,cond.B
mechanical Shock:100g’s,6ms,halfSine
12.3ft/sand100g’s,6ms,sawtooth,9.7ft/s
Humidity: 90-95%relativehumidityat
40°Cfor96hrs.
materials and Finishes
Detent Housing:StainlessSteel
Bushing:Brass,tin/zincplated
Shaft:Stainlesssteel
Detent Balls:Steel,nickel-plated
Code Housings:Nylon6/10
Backplate:Nylon6/10
Aperture:Chemicallyetchedstainlesssteelwith
blackoxidefinish
rotor: Electroformed nickel and chemically
etchedstainlesssteelwithblackoxidefinish
Detent Springs:Tinnedmusicwire
PC Boards:NEMAgradeFR-4
through Bolts: Stainlesssteel,unplated
through Bolt nuts:Stainlesssteel
mounting Hardware: One brass, tin/zinc-
platednutandonestainlesssteel,zinc-plated
lockwasher supplied with each switch. Nut is
0.094inchthickby0.562inchacrossflats.