ME-12-P series


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ME-12-P series




ME-12-P series
Type name
Item
ME-12-P
Supply voltage DC5V ±10%
Current consumption 40mA or less
(under no load)
Detection system Incremental
Output pulse number
(Standard)
(Pulse number/rotation)		 40
50
60
100
125
200
250
256
300
360
400
500
512
600
800
1000
1024
1200
2500
3600
5400
7200		 1500
1800
2000
2048
Output phase A, B, Z phase
Output form Square wave
Output capacity Sink current: 20mA
Residual voltage: 0.5V or less (at 10mA)
Maximum response frequency
(response pulse number)		 100kHz
Output phase difference A, B phase difference 90°±45°(T/4±T/8)
Z phase T±T/2 (see Output Waveform)
Waveform rise/fall time 2s or less (output cable 1m or less)
Starting torque 1x10-3Nm(10gfcm)or less
Allowable load of
shaft (electrical)		 Radial 1.9N
(200gf)		 0.98N
(100gf)
Thrust 1.9N
(200gf)		 0.98N
(100gf)
Maximum allowable revolutions
(mechanical)		 6000r/min
Working ambient temperature/
humidity		 -10 to 70
RH35% to 90% no dewing
Storing ambient temperature -20 to 80
Vibration resistance Durability 55Hz, double amplitude 1.5mm
2 hours each in X, Y, and Z directions
Impact resistance Durability 500m/s2(about 50G)
3 times each in X, Y, and Z directions
Cable Outside diameter 3 5-core vinyl wire
Insulated shield cable (length 1m)
Mass 40g



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



Specifications/Sine wave
Supply voltage DC5V ±10%
Current consumption 40mA or less
(under no load)
Detection system Sine waveIncremental
Output pulse number
(Standard)
(Pulse number/rotation)
1000 2000
1500 2048
1800  
Output phase A, B, Z phase
Output form A,B phase SIN wave, Z phase square wave
A,B,Z phase output SIN wave 1.5 Vp-p±0.3 V offset 2.0V±0.2V
Opamp output current 5mA Max.
Harmonic distortion factor to be within 10%
(Measuring condition to be within 20 kHz,
effective value mean distortion factor measuring instrument)
Maximum response frequency 50kHz
Output phase difference A, B phase difference 90±45(T/4±T/8)
Z phase T±T/2 (see Output Waveform)
Waveform rise/fall time 2s or less (output cable 1m or less)
Starting torque 1x10-3Nm or less
Allowable load of
shaft (electrical)		 Radial 0.98N (100gf)
Thrust 0.98N (100gf)
Maximum allowable revolutions
(mechanical)		 6000r/min
Working ambient temperature/
humidity		 0 to 50
RH35% to 90% no dewing
Storing ambient temperature -20 to 80
Vibration resistance Durability 55Hz, double amplitude 1.5mm
2 hours each in X, Y, and Z directions
Impact resistance Durability 500m/s2 (about 50G)
3 times each in X, Y, and Z directions
Cable Outside diameter 3 5-core vinyl wire
Insulated shield cable (length 1m)
Mass 40g



Supply voltage DC5V ±5%
Current consumption 40mA or less
(under no load)
Detection system Incremental
Output pulse number
(Standard)
(Pulse number/rotation)
EX 2000×2 (4000)
2000×4 (8000)
2000×8 (16000)
2000×16 (32000)
Output phase A, B, Z phase
Output form Square wave
Maximum response frequency
Line driver output:50kHz× (by multiplication)
Voltage output·Open collector output:100kHz
Output phase difference See the diagram below.
Waveform rise/fall time 2s or less (output cable 1m or less)
Starting torque 1x10-3Nm or less
Allowable load of
shaft (electrical)		 Radial 0.98N (100gf)
Thrust 0.98N (100gf)
Maximum allowable revolutions
(mechanical)		 6000r/min
Working ambient temperature/
humidity		 0 to 50
RH35% to 90% no dewing
Storing ambient temperature -20 to 80
Vibration resistance Durability 55Hz, double amplitude 1.5mm
2 hours each in X, Y, and Z directions
Impact resistance Durability 500m/s2(about 50G)
3 times each in X, Y, and Z directions
Cable Outside diameter 3 5-core vinyl wire
Insulated shield cable (length 1m)
Mass 40g

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