MICROENCODER

MEH-60-P series［Square Wave/Incremental］■ Outside dimensions■ Output circuit diagram
Voltage output (standard type)Open collector output (option)Line driver output (option)
Cable color

Power (red)Power (red)2.2kΩ A, B, Z
(white, green, yellow)
20m A maximum
0V(black)(shield)
Main body—shield no connection

PPulsenumberItem

φ７４

MEH−60−

Output circuit●No entry＝voltage output●C＝open collector output●C4＝open collector output DC24V

Current consumption

60mA or less ＊120mA or less（under no load）

100mA or less（under no load）

TH
A phase L６０゜

Built-in multiplication circuit（×2・×4・×5・×8・×10・×16・×20）
Voltage：DC5V−5％〜12V＋10％
Open collector：DC5V−5％〜24V＋10％
Line driver：DC5V±5％８H

A phase LHH

B phase L

φ４.２

B phase LT T
̶ ±̶
（90°±45°）
4 8

HA, B, Z phase

Output form

Square wave

Square wave

Sink current：20mA
Residual voltage：0.5V or less（at 10mA）−Maximum response frequency(response pulse number)

100kHzLine driver output：50kHz×（by multiplication）
Open collector output：100kHz

Output phase diﬀerence

A, B phase diﬀerence 90°±45°（T/4±T/8）
Z phase T±T/2（see Output Waveform）

Refer to the ﬁgure on the rightWaveform rise/fall time

2μs or less（output cable 1m or less）−

Output capacity

Allowable load ofshaft (electrical)

RadialThrustMaximum allowable revolutions(mechanical)
Working ambient temperature/humidity
Storing ambient temperature
Vibration resistance
Impact resistance
CableMass

19.6N（2kgf）

9.8N（1kgf）

9.8N（1kgf）

9.8N（1kgf）

4.9N（0.5kgf）

4.9N（0.5kgf）

1,000r/min

1,000r/min

0°C〜60°C
RH35％〜90％ no dewing

0°C〜60°C
RH35％〜90％ no dewing−20℃〜80℃−20℃〜80℃

Durability 55Hz, double amplitude 1.5mm
2 hours each in X, Y, and Z directions

Durability 55Hz, double amplitude 1.5mm
2 hours each in X, Y, and Z directions

250G）
Durability 500m/s（about
3 times each in X, Y, and Z directions

2Durability 500m/s（about50G）
3 times each in X, Y, and Z directions

Outside diameter φ4.2 5-core vinyl wire AWG28
Insulated shield cable (length 1m)

Outside diameter φ4.2 5-core vinyl wire AWG28
Insulated shield cable (length 1m)

320g

430g（＊2）■ Output waveform／Built-in multiplication circuit（×2・×4・×5・×8・×10・×16・×20）

0.4

CW rotation (CW rotation as seen from ﬁt surface)Tt

A phaseB phase

60

3.1
φ4.2°

Output cable
L=1000Z phase
T±T/2
T = T±0.3T
t = 1/4 T±0.3t

8.5■ Spring flange MEH-60（Option）

３−φ4.5equal arrangement

φ９８A, B, Z phase

30

T±T/2

＊The position of Z phase against A, B phase is not speciﬁed.

3-M4 depth 5 equalarrangement
P.C.D=60

φ30H7（＋0.021）
0φ35

OutputOutput phase

Follow shaft type
4-M3 through hole
（90°-4 locations）
5.6

Z phase L
T±T/2

φ35

EX 21,600×2（43,200）
21,600×4（86,400）
21,600×5（108,000）
21,600×8（172,800）
21,600×10（216,000）
21,600×16（345,600）
21,600×20（432,000）

T T
̶ ±̶（90°±45°）
4 8HZ phase L

φ74

Output pulse number（Standard）〔Pulse number/rotation〕

Incremental

8,100（＊1）
1,024
9,000（＊1）
1,800
10,000（＊1）
2,00010,800（＊1）
3,600
20,250（＊1, 2）
4,000
21,600,（＊1, 2）5,000
5,400（＊1）

600
1,000

CCW rotation (CCW rotation as seen from ﬁt surface)

T

Voltage／Open collector DC5V−5％〜12V＋10％
Open collector DC24V：DC24V±10％Line driver：DC5V±5％

100
180
200
360
400
500

Supply voltage DC5V

Main body—shield no connection

CW rotation (CW rotation as seen from ﬁt surface)●ST□（2・4・5・8・10・16・20）

Incremental0V(black)(shield)

Main body—shield no connection■ Output waveform（Square wave）

Supply voltage

Detection system

26C31

A capacitor (0.1μF) is connected between 0V and FG (frame ground).

●E＝line driver output

Square wave

20mA maximum
0V(black)(shield)＋5VDC (red)A, B, Z
(white, green, yellow)−−−
A, B, Z (white/black,green/black, yellow/black)Note: If the transmission distance islong, it should be so considered that thespecified voltage occurs at the input
portion of the encoder cable end.

０．
０２１
φ３０＋
−０
φ３５

Type name

φ34.4■ Speciﬁcations

A, B, Z
(white, green, yellow)

Main circuit

3-M4 depth 5 equalarrangement
ＰＣＤ＝６００．
５

Cable color

Main circuit

３０

Main circuit

０．
５

Cable color

φ６０

φ４６７８430g＊1：Handled by built-in multiplier circuit＊2：The mass changes
３０゜37

３−φ4.5equal arrangement
ＰＣＤ＝９０38