Mechanical Encoders
SerieS 25L
Hꢀx, Gꢁay and Quadꢁatuꢁꢀ Codꢀ
FeꢂꢃꢄreS
•ꢀPriceꢀCompetitiveꢀtoꢀSimilarꢀDesigns
•ꢀQualityꢀConstructionꢀandꢀContactꢀMaterials
•ꢀMultipleꢀCodeꢀandꢀIndexingꢀChoices
•ꢀ100,000ꢀLifeꢀCycles
•ꢀLessꢀthanꢀ1.0"ꢀSquare
•ꢀManufacturedꢀtoꢀISOꢀ9001ꢀStandards
DimeꢅSiꢆꢅS ꢀinꢀinchesꢀ(andꢀmillimeters)
.925 .010
(23,50 0,25)
Ø .470 .010
(11,94 0,25)
.343 .025
(8,71 0,64)
.250 .015
(6,35 0,38)
NON-TURN
TAB
C
L
.865 .015
(21,97 0,38)
.320 .010
(8,13 0,25)
.045 .005
(1,14 0,13)
3/8-32 UNEF-2A
THREAD
.400 .015
(10,16 0,38)
.025 .002
.250 + .001 –.002
(6,35 + 0,03 –0,05)
DIA.
(0,64 0,05)
SQUARE PIN
(3 PLACES)
.865
.015
(21,97
0,38)
1.020
.010
(25,91
0,25)
C
L
C
L
BUSHING
FLATS
.500 .010
(12,7 0,25)
.250 .015
(6,35 0,38)
.219 .004
(5,56 0,10)
C
L
.500 .015
(12,7 0,38)
90˚
.100 .005
(2,54 0,13)
TYP.
NON-TURN TAB
Ø .120 .005 (3,05 0,13) WIDE
BY .068 .005 (1,73 0,13) THICK
.590 .010
(14,97 0,25)
.250 .010
(6,35 0,25)
C SHAFT
L
MOUNTING
BRACKET
LOCK TAB (2) FOR
MOUNTING BRACKET 25J5155
FLAT
ꢃrꢄꢃH ꢃꢂbLeS
Clockwꢇsꢀ rotatꢇon
4-BitꢀGrayꢀCode-16ꢀPosition
Clockwꢇsꢀ rotatꢇon
4-BitꢀBinaryꢀCodeꢀHexadecimal-16ꢀPosition
Clockwꢇsꢀ rotatꢇon
Quadratureꢀ2-BitꢀCode
1/4ꢀCycleꢀperꢀDetent
Swꢇtch
Codꢀ
ꢆutꢈut
Swꢇtch
Codꢀ
ꢆutꢈut
Swꢇtch
ꢆutꢈut
posꢇtꢇon
posꢇtꢇon
posꢇtꢇon
posꢇtꢇon
1
2
4
8
1
2
4
8
posꢇtꢇon
"ꢂ"
"b"
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
9
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
10
11
12
13
14
15
10
11
12
13
14
15
ꢀꢀꢀIndicatesꢀclosedꢀcircuit;ꢀblankꢀindicates
ꢀꢀꢀopenꢀcircuit.
ꢀꢀꢀIndicatesꢀclosedꢀcircuit;ꢀblankꢀindicates
ꢀꢀꢀopenꢀcircuit.
Quadratureꢀ2-bitꢀCode
OutputꢀTableꢀforꢀCWꢀRotation
HIGH
OUTPUT
A
LOW
HIGH
OUTPUT
B
LOW
ꢀꢀꢀIndicatesꢀclosedꢀcircuit;ꢀ
ꢀꢀꢀblankꢀindicatesꢀopenꢀ
ꢀꢀꢀcircuit.ꢀCodeꢀrepeatsꢀ
ꢀꢀꢀeveryꢀ4ꢀpositions.
1
2
3
4
5
6
POSITION NUMBER
Grayhill, Inc.
•
561 Hillgrove Avenue
•
LaGrange, Illinois 60525-5997
•
USA
•
Phone: 708-354-1040
•
Fax: 708-354-2820
•
www.grayhill.com