Micro Encoder

Super compact incremental encoders.

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Available in two sizes: the micro model and the ultra-micro model, these high resolution incremental encoders are remarkably compact.

The ultra-micro model

MES-6

Dimensions ø7.5 x 10.5mm , Incremental encoder 360 line count
Output phases: A, B, Z
Square wave open collector output

The micro model

MES-9 (Single shaft)

MEH-9 (Hollow shaft)

Dimensions ø13 x 20mm , Incremental encoder 1000 line count
Output phases: A, B, Z
Square wave open collector output
Hollow shaft is also available

Model Ordering Code

ME-	X-	X-	XXX	PX
	1	2	3	4

1.	Shaft shape	: S, H**
2.	Size	: 6, 9
3.	Output pulses	: 100, 200, 300, 360, 500, 1000
4.	Output circuit	C = Open collector output None = Voltage output ***
Hollow shaft feature and line counts of 500 and 1000 are only available in size 9 * Voltage output is only available in size 9.

List of Ratings

Item/model		MES-6- PC	ME 9- P
Power supply		DC5V±10%	DC5V±10%
Current consumption		30mA or less (without load)	40mA or less (without load)
Signal detection code		Incremental	Incremental
Output	Output pulses (Standard) [Pulses/evolution]	100 200 300 360	100 200 300 360 500	1000
	Output phase	A, B, Z	A, B, Z (Z = "H")
	Output signal	Square wave open collector output	Square wave open collector output , or, voltage output
	Output capacity	Sink current: 4mA (output withstand voltage 7V) Residual voltage: 0.4V or less	Sink current: 20mA Residual voltage: 0.5V (at 10mA)
	Max. response frequency (response pulses)	100kHz	100kHz
	Output phase difference	A and B phase difference 90°±45° (T/4 ±T/8) Z phase T ±T/2 (see output waveform diagram)	A and B phase difference 90°±45° (T/4 ±T/8) Z phase T ±T/2 (see output waveform diagram)
	Waveform rise and fall time	2μs or less (output cable 300mm or less)	2μs or less (output cable 140mm or less)
Starting torque		0.3x10-3N•m (3gf-cm) or less	1.0x10-3N•m (10gf-cm) or less
Permissible shaft load (Electrical)	Radial	1.9N (0.43 lb)	1.9N (0.43 lb)	0.98N (0.22 lb)
	Thrust	0.98N (0.22 lb)	1.9N (0.43 lb)	0.98N (0.22 lb)
Permissible Max. revolutions (Mechanical)		6000r/min	6000r/min
Operating temperature/humidity		0°C∼60°C RH35%∼90% No condensation	0°C∼60°C RH35%∼90% No condensation
Storage temperature		-20°C∼80°C	-20°C∼80°C
Resistance to vibration		Frequency 55Hz, double amplitude 1.5mm Withstands 2 hours each in X, Y and Z directions	Frequency 55Hz, double amplitude 1.5mm Withstands 2 hours each in X, Y and Z directions
Resistance to shock		500m/s2 (about 50G) Withstands 3 cycles each in X, Y and Z directions	500m/s2 (about 50G) Withstands 3 cycles each in X, Y and Z directions
Cable		Vinyl sheathed (AWG32) Cable length 300mm	Vinyl sheathed (AWG30) Cable length 140mm
Mass		5g	10g

Micro Encoder

The ultra-micro model

The micro model

Model Ordering Code

List of Ratings

Product Drawing

Output Circuit

Output Waveform

*For areas outside of North America, please contact one of our group companies. Harmonic Drive LLC services customers in North America. Our global companies service regions outside of North America.

Micro Encoder

The ultra-micro model

The micro model

Model Ordering Code

List of Ratings

Product Drawing

Output Circuit

Output Waveform

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*For areas outside of North America, please contact one of our group companies. Harmonic Drive LLC services customers in North America. Our global companies service regions outside of North America.

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*For areas outside of North America, please contact one of our group companies. Harmonic Drive LLC services customers in North America. Our global companies service regions outside of North America.

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