Datasheet

For more information, please visit the product page.
rev.
page
1 of 3
date
05/2009
DESCRIPTION: incremental encoder
PART NUMBER: MEH20-2500PST
ELECTRICAL SPECIFICATIONS
output waveform
output signals
current consumption
frequency response
output phase difference
supply voltage
output resolution (ppr)
Square wave
A, B, Z phase
≤40 mA
Line driver 0~50KHz, voltage - open collector 0~100KHz
See output waveform
5 V dc ±10% (line driver output only), 5 ~ 12 V dc ±10%
5000, 10000, 20000, 40000
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° to +50° C
-20° to +80° C
RH 35%~90% non collecting
ORDERING INSTRUCTIONS
MEH20 - 2500PSTXX-XX
Resolution (PPR):
2 = 2500 X 2 (5,000 PPR)
4 = 2500 X 4 (10,000 PPR)
8 = 2500 X 8 (20,000 PPR)
16 = 2500 X 16 (40,000 PPR)
Output Circuit:
"no entry" = TTL voltage output
C = Open collector output
E = Line driver output
Input Voltage:
1 = 5 V dc ±10%
(line driver output only)
3 = 5 ~ 12 V dc ±10%
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: incremental encoder
PART NUMBER: MEH20-2500PST
CIRCUIT CONNECTIONS
Voltage Output
VCC (RED)
2.2kΩ
A, B, Z
(WHT, GRN, YEL)
20mA
max
0V (BLK)
CABLE SHIELD
Open Collector Output (C)
VCC (RED)
A, B, Z
(WHT, GRN, YEL)
30mA
max
0V (BLK)
CABLE SHIELD
Line Driver Output (E)
+5 V (RED)
Main Circuit
A, B, Z (WHT, GRN, YEL)
A, B, Z (WHT/BLK,
GRN/BLK, YEL/BLK)
26C31
0V (BLK)
CABLE SHIELD
OUTPUT WAVEFORM
CW rotation (CW rotation as seen from fit surface)
T
t
A phase
B phase
Z phase
T±T/2
T = T ± 0.3T
t = 1/4 T ± 0.3t
20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383
page
2 of 3
date
05/2009
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.