MICROENCODER

MES-3P series

MES-3PST series［Square Wave/Incremental］［Square Wave/Incremental］

Actual size

Output phase diﬀerence

2μs or less
（When 150mm ﬂexible cable extended using 300mm AWG30 cable）

Phase diﬀerence between neighboring A/B phases: T/4 ± T/8
Waveform ratio of 1T: T ± 0.35T
Z phase width: 1T（Synchronized with 1T of B phase）

Waveform rise/fall time

2μs or less
（When 150mm ﬂexible cable extended using 300mm AWG30 cable）

Radial

0.98N（100gf）

Thrust0.98N（100gf）

Allowable load ofshaft（electrical）Radial

0.98N（100gf）

Thrust0.98N（100gf）

Maximum allowable revolutions（mechanical）

6,000r/min

Maximum allowable revolutions（mechanical）

6,000r/min

Working ambient temperature/humidity

0℃〜60℃
RH35％〜90％ no dewing

Working ambient temperature/humidity

0℃〜60℃
RH35％〜90％ no dewing

Storing ambient temperature

−20°
C〜80°
C

Storing ambient temperature

C〜80°
C
−20°

Cable

Flexible cable: Length approx. 150mm

Cable

Flexible cable: Length approx. 150mm

Mass5g（including ﬂexible cable）

Mass5g（including ﬂexible cable）■ Output circuit diagram（ME−3P、ME−3PST）■ Output waveform（ME−3P）
CW rotation（CW rotation as seen from ﬁt surface）

CW rotation（CW rotation as seen from ﬁt surface）

Tt

T/4±T/8

B phase

IOL=＋8mA0V

T15

T16t57 t58t59 t60 t61 t62t63 t64

T±T/2＊The position of Z phase against
A, B phase is not speciﬁed.

3.7 ＋0.1（H cut）
−0.1

4.5

3.8

A

1.5
A-A cross-section

A1.5
A-A cross-section

1A, B phase Waveform ratio of 1T T=Ts/16±0.35T
Phase diﬀerence of A, B phase adjacent to 16 divisions T/4=±1/8T
Waveform ratio of 1/4T t1〜t64=t±0.35t
Z phase Z=1.0T Synchronized with B phase
Tmax

Waveform
exampleTmin

Tmin/Tmax≧0.5

Terminal board（included）
details10（Pich 2×5）

Wiring chart

Pich 2TH No.

Signal name

1Vcc
（DC3.2V±0.1V）

2Z phase output

26−φ0.6TH

3 45 6Z phase

Z phaseL7T2

t1 t2 t3 t4 t5 t6 t7 t8 t〜

B phase

LH

A

Terminal board（included）
details（2.2）

LHOutput（A／B／Z）

A（5）1315Main circuit

IOH=−2mAT
T1A phase

HA phase

Exposedconductor surface■ Output waveform（ME−3PST）
Ts＋Vcc（DC3.2V±0.1V）

Reinforcing plate.3

Durability 500m/s2 (about 50G)
3 times each in X, Y, and Z directions

M4 × P0.5 20°20°（ﬁne thread）.3

Impact resistance

AC02
Durability 500m/s（about50G）
3 times each in X, Y, and Z directions

M4 × P0.5 20°20°（ﬁne thread）

C0

Impact resistance

5.8 ＋0.1
0A.3

Durability 55Hz, double amplitude 1.5mm
2 hours each in X, Y, and Z directions.3

Vibration resistanceLock nut（included）
details

5.8 ＋0.1
0C0

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

Reinforcing
plate

Lock nut（included）
details

C0

Vibration resistanceBlack silicon seal

Exposed copper foil surface

1514（Pich 2×7）

30V

4A phase output

5B phase output

60V

FPC insertion direction

Connector: Japan Aviation Electronics Industry
IL-FPR-6S-HF-N1

Pich 212 3

4 56 78−φ0.6TH
8（2.2）

Allowable load ofshaft（electrical）

（5）
1315

Waveform rise/fall timeM4 thread（ﬁne thread）

5Output phase diﬀerence

φ5.8

A, B phase diﬀerence：T/4±T/8
Z phase T±0.5T

100kHzConnector for matching FPC connection
Japan Aviation Electronics Industry IL-FPR-6S-HF-N1

φ5.8

100kHz5Output

Maximum response frequency（response pulse number）

Maximum response frequency（response pulse number）

Exposedconductor
surface（6.7）

Output capacity

CMOS output: Output current IOL=+8mA, IOH=−2mA
Output voltage: VOL≦0.3V（when IOL=+1mA）
VOH≧Vcc −0.3V（when IOH =−1mA）
Output withstand voltage:3.3V or less（power supply voltage or less）（φ5.8）

Output capacity

CMOS output: Output current IOL=+8mA, IOH=−2mA
Output voltage: VOL≦0.3V（when IOL=+1mA）
VOH≧Vcc−0.3V（when IOH =−1mA）
Output withstand voltage:3.3V or less（power supply voltage or less）

2.6

Square wave, Voltage（C-MOS）
output

6 ＋0.1−0.1

Output form

R0.3

Exposed copper foil surface
Connector for matching FPC connection
Japan Aviation Electronics Industry IL-FPR-8S-HF-N15.00 5−00.01

A, B, Z phase
Square wave, Voltage（C-MOS）
output

3 ＋0.1−0.1.5 −φ1

Output phase
Output form
OutputA, B, Z phase

Output phase150±2R3Output pulse number
1,024 pulse/rotation（Standard）（64 pulses/rotation multiplied ×16 electrically）〔Pulse number/rotation〕

64P／R, 100P／R

500 50. 1− 0.0−

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

150±2＋0.1＋0.1
6.1±0.1 2.5−0.1 3−0.1

Incremental

φ5.8

Detection system

φ5.8

Incremental2.6

Detection system（6.7）

20mA or less

（φ5.8）

DC3.2±0.1V

Current consumption

− 0.1
0.
1

Supply voltage

15mA or less

φ5＋

DC3.2±0.1V

Current consumption

MES−3PST.5
φ1

Supply voltage

MES−3P

3.7 ＋0.1（H cut）−0.1

MES−3−64PST16

Item■ Outside dimensions＋0.1
2.5 ＋0.1−0.1 3 −0.1

MES−3−64P

Item■ Outside dimensions

Type name

7.1 ＋0.1−0.1■ Speciﬁcations

Type name

9.6 ＋0.1−0.1■ Speciﬁcations

2Actual size

18FPC insertion direction

Wiring chart
TH No.
1

Signal nameVcc（DC3.2V±0.1V）

2345678

N.C.
（Not connected）
N.C.
（Not connected）
Vcc（DC3.2V±0.1V）
Z phase output
B phase output
A phase output
0V

Connector: Japan Aviation Electronics Industry
IL-FPR-8S-HF-N18