Datasheet

For more information, please visit the product page.
rev.
page
1 of 3
date
10/2008
DESCRIPTION: sine wave encoder
PART NUMBER: MEH20-PS
ELECTRICAL SPECIFICATIONS
output waveform
output signals
current consumption
frequency response
output phase difference
A, B phase sine wave, Z phase square wave
A, B, Z phase
≤40 mA
0~50 KHz
A, B phase difference 90° ± 45°
(T/4±T/8) Z phase T±T/2 (see output waveform)
5 V dc ± 5%
1000, 2000, 2500
supply voltage
output resolution (ppr)
MECHANICAL SPECIFICATIONS
max shaft load, radial:
axial:
starting torque
max rotational speed
shock resistance
vibration proof
weight
cable
14.7N (1.5kgf)
4.9N (0.5kgf)
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
0° ~ +50° C
-20° ~ +80° C
RH 35%~90% non collecting
ORDERING INSTRUCTIONS
MEH20 - XXXXPS
Resolution (PPR):
1000 = 1000 PPR
2000 = 2000 PPR
2500 = 2500 PPR
20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383
For more information, please visit the product page.
rev.
DESCRIPTION: sine wave encoder
PART NUMBER: MEH20-PS
CIRCUIT CONNECTIONS
A, B Phase
5mA
max
51Ω
+
A sine,
B sine
White, Green
+5V
Red
Z
Yellow
0V
Black
5mA
max
Z Phase
2.2kΩ
20mA
max
CABLE SHIELD
A capacitor (0.1 µF) is connected between 0 V and FG (frame ground).
OUTPUT WAVEFORM
Sine wave output
Clockwise rotation viewed from front
T
t1
t2
t3
t4
Ch A
2.0V
1.5Vpp
Ch B
4Vmin.
Ch Z
Z
T T
T = 360˚/ divisions t1,t2,t3,t4 = ±
4 8
Z = T ± 0.50T
M = M X 20% or less
Amplitude variation rate
Amplitude waviness
A/B Phase amplitude ratio
The position of Z phase against A, B phase is not specified
20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383
page
2 of 3
date
10/2008
MEH20-PS
PC FILE NAME:
0.8 0.030
COPYRIGHT 2007
BY CUI INC.
25.0 0.984
22.0 0.866
Output Cable
L=1000
Cable Color
Output Type
2.3 0.089
White
Green Yellow
Red
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
6.7 0.264
-
3-M3 depth 5
equal arrangement
PCD=24
REV.
A
-
JMS
DRAWN BY:
MEH20-PS
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
DESCRIPTION
NEW DRAWING
A
1:1
SCALE:
MM [INCHES]
REV:
RoHS
DATE
7/27/2007
For more information, please visit the product page.