25LB18-Q Grayhill Inc, 25LB18-Q Datasheet
25LB18-Q
Manufacturer Part Number
25LB18-Q
Description
ENCODER MECHANICAL 20POS PC MNT
Manufacturer
Grayhill Inc
Series
25Lr
Specifications of 25LB18-Q
Pulses Per Revolution
20
Output Type
Quadrature (Incremental)
Mounting Type
Panel, PCB Through Hole
Encoder Type
Mechanical
Actuator Type
1/4" Dia Flatted End
Detent
Yes
Built In Switch
No
Orientation
Vertical
Termination Style
PC Pin
Rotational Life (cycles Min)
100K
Encoder Resolution
20CPR
Terminal Type
PCB Thru Hole
Leaded Process Compatible
Yes
Contact Current
250mA
Encoder Output
Quadrature
Operating Temperature Range
-65°C To +85°C
Rotation Mechanical Angle
18°
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Supply
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
GH7408
DIMENSIONS
TRUTH TABLES
SERIES 25L
Hex, Gray and Quadrature Code
FEATURES
• Price Competitive to Similar
• Quality Construction and Contact
• Multiple Code and Indexing
I-51
Indicates closed circuit; blank indicates
open circuit.
Position
Designs
Materials
Choices
Switch
OUTPUT "A"
OUTPUT "B"
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
ROTATION
.590 ± .010
(14,97 ± 0,25)
(25,91 ±
1.020 ±
CW
0,25)
.010
Position
Clockwise Rotation
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Code
4-Bit Gray Code-16 Position
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
HIGH
HIGH
LOW
LOW
(23,50 ± 0,25)
(21,97 ± 0,38)
.925 ± .010
.865 ± .015
In inches (and millimeters)
1
POS.
#1
Quadrature 2-Bit Code
1/4 Cycle per Detent
POS.
OUTPUT TABLE
#2
2
Mechanical Encoders
Output
POS.
#3
(21,97 ±
.865 ±
0,38)
.015
POS.
4
#4
POS.
#5
8
POS.
#6
.025 ± .002
(0,64 ± 0,05)
SQUARE PIN
(3 PLACES)
.250 ± .010
(6,35 ± 0,25)
• 100,000 Life Cycles
• Less than 1.0" Square
• Manufactured to ISO 9001
(12,7 ± 0,25)
Position
Standards
Indicates closed circuit; blank indicates
open circuit.
.500 ± .010
Switch
.343 ± .025
(8,71 ± 0,64)
C L
C L
.045 ± .005
(1,14 ± 0,13)
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
MOUNTING
BRACKET
4-Bit Binary Code Hexadecimal-16 Position
Position
Clockwise Rotation
Code
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
LOCK TAB (2) FOR
MOUNTING BRACKET 25J5155
1
NON-TURN TAB
Ø .120 ± .005 (3,05 ± 0,13) WIDE
BY .068 ± .005 (1,73 ± 0,13) THICK
.250 ± .015
(6,35 ± 0,38)
3/8-32 UNEF-2A
THREAD
2
Output
(6,35 + 0,03 –0,05)
.250 + .001 –.002
.250 ± .015
(6,35 ± 0,38)
.500 ± .015
(12,7 ± 0,38)
4
DIA.
8
.400 ± .015
(10,16 ± 0,38)
(5,56 ± 0,10)
.219 ± .004
NON-TURN
Position
Indicates closed circuit;
blank indicates open
circuit. Code repeats
every 4 positions.
Clockwise Rotation
Switch
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
TAB
.100 ± .005
(2,54 ± 0,13)
TYP.
1
2
3
4
5
6
7
8
9
Quadrature 2-Bit Code
1/4 Cycle per Detent
C L
"A"
Output
C L
SHAFT
FLAT
"B"
.320 ± .010
(8,13 ± 0,25)
Ø .470 ± .010
(11,94 ± 0,25)
90˚
C L
BUSHING
FLATS
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25LB18-Q Summary of contents
Page 1
... Mechanical Encoders SERIES 25L Hex, Gray and Quadrature Code FEATURES • Price Competitive to Similar Designs • Quality Construction and Contact Materials • Multiple Code and Indexing Choices DIMENSIONS In inches (and millimeters) .925 ± .010 (23,50 ± 0,25) .865 ± .015 (21,97 ± 0,38) .865 ± ...
Page 2
... Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Mechanical Encoders Mechanical Ratings Rotational Torque in-oz Operating Temperature Range: -65 C° ...