Datasheet

For more information, please visit the product page.
rev.
page
1 of 3
date
05/2009
DESCRIPTION: incremental encoder
PART NUMBER: MEH20
ELECTRICAL SPECIFICATIONS
output waveform
output signals
current consumption
frequency response
output phase difference
Square Wave
A, B, Z phase
≤50 mA
0~100 KHz
A, B phase difference 90° ± 45°
(T/4±T/8) Z phase T±T/2 (see output waveform)
5 V dc ±10% (line driver output only), 5 V ~ 12 V dc ±10%,
24 V dc ± 10% (open collector output only)
40, 50, 60, 100, 200, 250, 256, 300, 360, 400, 500, 512,
600, 800, 1000, 1024, 1200, 1800, 2000, 2048, 2500, 3600
2μ or less (outout cable 1m or less)
supply voltage
output resolution (ppr)
waveform rise/fall time
MECHANICAL SPECIFICATIONS
max shaft load, radial:
axial:
starting torque
max rotational speed
shock resistance
vibration proof
weight
cable
19.6N (2kgf)
14.7N (1.5kgf) (600-3600 ppr)
9.8N (1kgf)
4.9N (0.5kgf) (600-3600 ppr)
2 x 10-3 N·m (20 gf·cm)
6000 RPM
500 m/s2 (50G), 3 times each on XYZ
55 Hz, double amplitude 1.5mm, 2 hours each on XYZ
70g (with 1m cable)
4.2mm outside diameter, 5 core vinyl wire insulated shield cable (1m)
ENVIRONMENTAL SPECIFICATIONS
operating temp
storage temp
humidity
-10° to +70° C
-20° to +80° C
RH 35%~90% non collecting
ORDERING INSTRUCTIONS
MEH20 - XXXXP-XX-XX
40 = 40 PPR
50 = 50 PPR
60 = 60 PPR
100 = 100 PPR
200 = 200 PPR
250 = 250 PPR
256 = 256 PPR
300 = 300 PPR
360 = 360 PPR
Resolution (PPR):
400 = 400 PPR
500 = 500 PPR
512 = 512 PPR
600 = 600 PPR
800 = 800 PPR
1000 = 1000 PPR
1024 = 1024 PPR
1200 = 1200 PPR
1800 = 1800 PPR
2000 = 2000 PPR
2048 = 2048 PPR
2500 = 2500 PPR
3600 = 3600 PPR
Output Circuit:
"no entry" = Voltage output
C = Open collector output
E = Line driver output
Input Voltage:
Bore/Hub:
1 = 5V dc ± 10%
"no entry" = Through/No Hub
(line driver output only)
F1 = Through/Hub/Set Screw
3 = 5 ~ 12V dc ± 10%
4 = 24V dc ± 10%
(open collector output only)
*F1 Bore/Hub is available only in resolutions below and not including 400PPR, see attached mechanical drawing
20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383
For more information, please visit the product page.
rev.
page
2 of 3
date
05/2009
DESCRIPTION: incremental encoder
PART NUMBER: MEH20
CIRCUIT CONNECTIONS
Vcc
Red
2.2 kΩ
A/B/Z
White
Green
Yellow
+5V
Red
Vcc
Red
A/B/Z
White
Green
Yellow
A/B/Z
White
Green
Yellow
0V
Black
A/B/Z
20mA
max
0V
Open Collector Output (C)
Line Drive Output (E)
TTL Voltage Output
26C31
Black
0V
White/Black
Green/Black
Yellow/Black
30mA
max
Black
CABLE SHIELD
CABLE SHIELD
CABLE SHIELD
OUTPUT WAVEFORM
Clockwise rotation viewed from front
Counter Clockwise rot ation viewed from front
T
T
Phase A
H
L
Phase A
H
L
Phase B
H
L
Phase B
H
L
Phase Z
H
L
Phase Z
H
L
T ± T (90˚± 45˚)
8 8
T ± T (90˚± 45˚)
8 8
T±T/2
T±T/2
The position of Z phase against A, B phase is not specified
F1 MECHANICAL DRAWING
F1 Type
3-M3
10
Ø32
120
Ø6.7
Ø5
30
PCD24
0.5
5
22
5.5
20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383
PC FILE NAME:
MEH20
0.8 0.030
COPYRIGHT 2007
BY CUI INC.
25.0 0.984
22.0 0.866
Cable Color
Output Type
2.3 0.089
Output Cable
L=1000
Red
White
Green Yellow
Power A-Phase B-Phase Z-Phase
5.5 0.217
4.2 0.165
32.0 1.260
5.0 0.197
Black
0V
-
30°
-
10.0 0.394
-
DESCRIPTION
NEW DRAWING
JMS
DRAWN BY:
MEH20
APPROVED BY:
Incremental Encoder
PART NO.
TITLE:
UNITS:
20050 SW 112th Ave.
Tualatin, OR 97062
Phone: 503-612-2300
800-275-4899
Fax: 503-612-2383
Website: www.cui.com
TOLERANCE:
±0.3mm UNLESS OTHERWISE
SPECIFIED
3-M3 depth 5
equal arrangement
PCD=24
6.7 0.264
REV.
A
A
1:1
SCALE:
MM [INCHES]
REV:
RoHS
DATE
7/27/2007
For more information, please visit the product page.
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