Product TOP
High accuracy, high response linear scale with signal pitch of 400 nm. Supports a wide range of applications and offers the highest performance in its class.
- BL57-RE
- Achieves a measuring length of up to 1,060 mm upon request, and offers the highest-level response speed and accuracy in its class.
- Signal pitch : 400 nm
- Built-in reference point.
- Applications : Precision measuring equipment, precision stages, etc.
- BL57-NE
- Compact size makes machine integration much easier
- Theoretically unaffected by changes in temperature, humidity, air pressure and air movement. Unparalled measuring stability achieved by use of low expansion glass
- Signal pitch : 400 nm
- Applications : High-accuracy microscopes, shape measurement equipment, etc.
Specifications
| Main specifications [BL57-RE] | ||||
|---|---|---|---|---|
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The Laserscale uses a semiconductor laser. The laser beam is harmful to the human body, so please do not look into the detection head section. Magnescale reserves the right to change product specifications without prior notice. |
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| Model | F | G | H | |
| Output signal form | A/B quadrature output | Analog output | ||
| Detection principle | Diffraction grating scanning system | |||
| Scale length (Low expansion glass) |
Measuring length (mm) | 30, 60, 110, 160, 210, 260, 310, 360, 410 | ||
| Overall length | Measuring length +36 mm | |||
| Max. travel | Measuring length +10 mm (5 mm on each side) | |||
| Scale length (Soda-lime glass) |
Measuring length (mm) | 60, 160, 260, 360, 460, 560, 660, 760, 860, 960, 1,060 | ||
| Overall length | Measuring length +36 mm | |||
| Max. travel | Measuring length +10 mm (5 mm on each side) | |||
| Scale accuracy (at 20 °C) |
±0.5 µm (30 to 160 mm) / 1.0 µm (210 to 360 mm) / ±1.5 m(410 mm or more) |
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| Grating pitch | 1.6 µm | |||
| Signal pitch | 0.4 µm (400 nm) | |||
| Output signal | Differential (compliant with EIA-422) |
Differential (only reference point output are compliant with EIA-422) |
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| Output resolution | 0.1 / 0.05 µm (selectable) |
0.02 / 0.01 µm (selectable) |
0.4 µm (1 Vp-p) |
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| Reference point accuracy (at 20 °C) | ±0.4 µm (depending on machine movement accuracy) |
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| Reference point position | User definable (within the range of measuring length) |
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| Reference point detection direction | Single direction synchronous reference point |
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| Thermal expansion coefficient |
Low expansion glass: -0.7×10-6/°C ・Soda-lime glass: 8×10-6/°C |
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| Light source |
Semiconductor laser : Wavelength 790 nm, Output 6 mW |
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| Radiation power |
JIS Class 1 equivalent, DHHS Class 1 equnivalent |
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| Operating temperature |
0 to +40 °C (no condensation) | |||
| Storage temperature |
-10 to +50 °C | |||
| Max. response speed |
1,500 mm/s (0.1 µm) 650 mm/s (0.05 µm) |
300 mm/s(0.02 µm) 120 mm/s(0.01 µm) |
3,000 mm/s (*1) |
|
| Minimum phase difference : 38 ns |
Minimum phase difference : 38 ns |
Max 7.5 MHz | ||
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 |
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| Alarm | High impedance, output when max. response speed is exceeded or signal level error detected |
None | ||
| Head cable |
Cable length |
1 m (*4) | ||
| Bending radius |
Static : 10 mm | |||
| Output cable length | 15 m Max. (*2) (to the electronic control section) |
15 m Max. (*1)(*2) | ||
| Power supply (*3) | +5 V (±5 %) | |||
| Power consumption |
450 mA (no load), 600 mA (with 120 Ω termination) |
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| Vibration resistance |
100 m/s2 (50 to 2,000 Hz) | |||
| Impact resistance |
200 m/s2 | |||
| (*1) Max. response speed become limited by output cable length (the part beyond the interface box). | ||||
| Cable length (m) | Max. response speed (mm/s) | |||
| 3 | 3,000 | |||
| 9 | 2,330 | |||
| 15 | 1,660 | |||
| (*2): A power supply line longer than 10m is incompatible with EN61000-6-2. Take surge protection measures upon use. (*3): Satisfy the required specifications at the connector input section. (*4): Special models can support up to 3 m. However, the max. response speed is limited depending on the cable length. (In a 3 m cable, the max. response speed is two-thirds that of a 1 m cable.) (*5): Special models can support a measuring length of 420 mm to 560 mm by low expansion glass and 1,070 mm to 1,260 mm by soda-lime glass. (*6): For BD700 connection, please contact us. |
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| Main specifications [BL57-NE] | |||||
|---|---|---|---|---|---|
|
The Laserscale uses a semiconductor laser. The laser beam is harmful to the human body, so please do not look into the detection head section. Magnescale reserves the right to change product specifications without prior notice. |
|||||
| Model | A | F | G | H | |
| Output signal form | A/B quadrature output | Analog output | |||
| Detection principle | Diffraction grating scanning system | ||||
| Scale length (Low expansion glass) |
Measuring length (mm) | 30, 70, 120, 170, 220, 270, 320, 370, 420 | |||
| Overall length | Measuring length +26 mm | ||||
| Max. travel | Measuring length +10 mm (5 mm on each side) | ||||
| Scale length (Soda-lime glass) |
Measuring length (mm) | 60, 160, 260, 360, 460, 560, 660, 760, 860, 960, 1,060 | |||
| Overall length | Measuring length +36 mm | ||||
| Max. travel | Measuring length +10 mm (5 mm on each side) | ||||
| Scale accuracy (at 20 °C) | ±0.5 µm (30 to 170 mm) / ±1.0 µm (220 to 370 mm) / ±1.5 µm (420 mm or more) |
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| Grating pitch | 1.6 µm | ||||
| Signal pitch | 0.4 µm (400 nm) | ||||
| Output signal | Differential (compliant with EIA-422) | Differential | |||
| Output resolution | 0.1 µm | 0.1 / 0.05 µm (selectable) |
0.02 / 0.01 µm (selectable) |
0.4 µm (1 Vp-p) |
|
| Thermal expansion coefficient | Low expansion glass: -0.7 x10-6/°C・ Soda-lime glass: 8 x10-6/°C |
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| Light source |
Semiconductor laser : Wavelength 790 nm, Output 6 mW |
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| Radiation power |
JIS Class 1 equivalent, DHHS Class 1 equivalent |
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| Operating temperature |
0 to +40 °C (no condensation) | ||||
| Storage temperature |
-10 to +50 °C | ||||
| Max. response speed |
1,000 mm/s | 1,500 mm/s (0.1 µm) 650 mm/s (0.05 µm) |
300 mm/s (0.02 µm) 120 mm/s (0.01 µm) |
3,000 mm/s (*1) | |
| Minimum phase difference:80 ns |
Minimum phase difference:38 ns |
Minimum phase difference:38 ns |
Max 7.5 MHz | ||
|
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| Alarm | High-impedance A/B quadrature output signals when signal level error detected. | High-impedance output when max. response speed exceeded or signal level error detected. | None | ||
| Head cable |
Cable length | 300 mm | |||
| Bending radius | Static : 10 mm | ||||
| Output cable length | 15 m Max. (*2) (to the electronic control section) |
15m Max. (*1)(*2) |
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| Power supply (*3) | +5 V (+10%/-5%) | +5 V (±5 %) | |||
| Power consumption |
200 mA (no load) 250 mA (with 120 Ω termination) |
290 mA (no load) 350 mA (with 120 Ω termination) |
250 mA (no load, with 120 Ω termination) |
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| Vibration resistance |
100 m/s2 (50 to 2,000 Hz) | ||||
| Impact resistance |
200 ｍ/s2 | ||||
| (*1) Max. response speed become limited by output cable length (the part beyond the interface box). | |||||
| Cable length (m) | Max. response speed (mm/s) | ||||
| 3 | 3,000 | ||||
| 9 | 2,330 | ||||
| 15 | 1,660 | ||||
| (*2）A power supply line longer than 10 m is incompatible with EN61000-6-2. Take surge protection measures upon use. (*3）Satisfy the required specifications at the connector input section. |
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Dimensions
Catalog
| BL57 Series | Japanese |  |
|---|---|---|
| BL57 Series | English | |