Encoder Scanhead-EP Series

Short Description:

By utilizing 23-bit digital drive and digital grating technology, high repetition accuracy is achieved.

It adopts a low-temperature-drift drive design, with an effective temperature drift ≤ 30μrad and excellent consistency.

It delivers top-level performance, characterized by ultra-high precision, ultra-low and consistent temperature drift, and extremely high repeated positioning accuracy.

Aperture size: 15、20、30mm

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Product Detail

Product Tags

Encoder Scanhead-EP Series

Product line
Version	Weight（KG）	Size(mm)	Input Voltage(VDC)	Current(A)	Protocol
EP 14	4	165x118x156
ET 15/20	5	175.5×126×165	±15	5	XY2-100 /NCL2
ET 30	7.3	205x160x180	±15	5	XY2-100 /NCL2

Cooling Condition
Cooling Medium	Distilled or de-ionized water plus corrosion inhibitor
Temperature(℃)	22-28
Recommended cooling pressure	2-3
Recommended flow rate(l/min)	4-6

Optical Specifications
Type	EP 14	EP 15	EP 20		EP 30
Aperture Size(mm)	14	15	20		30
Available Wavelength(nm）	1064	10600 / 1064 532 / 355	10600 / 1064 / 9300 532 / 355		10600 / 1064 / 9300 532 / 355
Optical Surface	Si	Si	Si	QU	Si
1% Step response time（general mode)	<380μs	<400us	<520μs	<620μs	<900μs
Tracking error（general mode)	<200μs	<220us	<300μs	<360μs	<580μs
Speed limit1	Max 150rad/s	Max 130rad/s	Max 100rad/s	Max 80rad/s	Max 70rad/s
Repeatability	<1μrad	<1μrad	<1μrad	<1μrad	<1μrad
Temperature drift²(m/s)	≤0.03mrad	≤0.03mrad	≤0.03mrad	≤0.03mrad	≤0.03mrad
1) Calculated based on optical angle, under general debugging mode.2）For 8-hour continuous operation, calculated based on mechanical angle, under 24℃ water-cooling condition.