rev.
page
date
1 of 3
08/14/2007
PART NUMBER:
MEH20
DESCRIPTION:
incremental encoder
ELECTRICAL SPECIFICATIONS
output waveform
output signals
current consumption
frequency response
output phase difference
supply voltage
output resolution (ppr)
waveform rise/fall time
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 ~ 12 V dc ± 10%, 24 V dc ± 10% (open collector output only)
40, 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)
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)
-3
NM (20 gf·cm)
2 x 10
6000 RPM
500 m/s
2
(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 - XXXXPXX
Resolution (PPR):
40 = 40 PPR 512 = 512 PPR
60 = 60 PPR 600 = 600 PPR
100 = 100 PPR 800 = 600 PPR
200 = 200 PPR 1000 = 1000 PPR
250 = 250 PPR 1024 = 1024 PPR
256 = 256 PPR 1200 = 1200 PPR
300 = 300 PPR 1800 = 1800 PPR
360 = 360 PPR 2000 = 2000 PPR
400 = 400 PPR 2048 = 2048 PPR
500 = 500 PPR 1800 = 1800 PPR
2500 = 2500 PPR
3600 = 3600 PPR
Output Circuit:
" " = Voltage output
C = Open collector output
E = Line Driver
Input Voltage:
1 = 5V dc ± 10%
2 = 12V dc ± 10%
3 = 5 ~ 12V dc ± 10%
4 = 24V dc ± 10%
20050
SW
112
th
Ave. Tualatin, Oregon
97062
phone
503.612.2300
fax
503.612.2383
rev.
page
date
2 of 3
08/14/2007
PART NUMBER:
MEH20
DESCRIPTION:
incremental encoder
CIRCUIT CONNECTIONS
Voltage Output
+5V
A/B/Z
20mA
max
Open Collector Output (C)
Red
White
Green
Yellow
30mA
max
+5V
A/B/Z
Red
White
Green
Yellow
0V
CABLE SHIELD
Black
CABLE SHIELD
0V
Black
Line Drive Output (E)
+5V
A/B/Z
A/B/Z
26C31
CABLE SHIELD
Red
White
Green
Yellow
White/Black
Green/Black
Yellow/Black
0V
Black
OUTPUT WAVEFORM
Clockwise rotation viewed from front
Counter Clockwise rot ation viewed from front
T
Phase A
Phase B
Phase Z
H
L
H
L
H
L
T ± T (90˚± 45˚)
8 8
T
Phase A
Phase B
Phase Z
H
L
H
L
H
L
T ± T (90˚± 45˚)
8 8
T±T/2
T±T/2
The position of Z phase against A, B phase is not specified
20050
SW
112
th
Ave. Tualatin, Oregon
97062
phone
503.612.2300
fax
503.612.2383
REV.
A
DESCRIPTION
NEW DRAWING
DATE
7/27/2007
0.8 0.030
5.0 0.197
30°
Output Cable
L=1000
32.0 1.260
2.3 0.089
3-M3 depth 5
equal arrangement
PCD=24
22.0 0.866
25.0 0.984
6.7 0.264
4.2 0.165
TOLERANCE:
±0.3mm UNLESS OTHERWISE
SPECIFIED
RoHS
5.5 0.217
10.0 0.394
20050 SW 112th Ave.
Tualatin, OR 97062
Phone: 503-612-2300
800-275-4899
Fax: 503-612-2383
Website: www.cui.com
TITLE:
Incremental Encoder
PART NO.
REV:
UNITS:
A
MEH20
DRAWN BY:
APPROVED BY:
MM [INCHES]
SCALE:
PC FILE NAME:
MEH20
COPYRIGHT 2007
BY CUI INC.
Cable Color
Output Type
White
Green Yellow
Red
Power A-Phase B-Phase Z-Phase
Black
0V
-
-
-
-
-
-
JMS
1:1
微控制器 MCU
