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| SR87 |
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This robust type magnetic scale system that output position signals for machine tools and other equipment that require high precision positioning.
- Measuring length (ML): 140-3,040mm
- Accuracy (20°C): 3+3ML/ 1000µm p-p 5+5ML/ 1000µm p-p
- Minimum resolution: 0.01µm
- Maximum response speed: 200m/min
- Vibration resistance: 250m/s2
- Impact resistance: 450m/s2
- IP rating: IP54 (Air purge excluded) IP65 (Air purge included)
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Specifications
| Model |
SR87 |
| Measuring length (ML) |
140-3040mm
140, 240, 340, 440, 540, 640, 740, 840, 940, 1040, 1140, 1240, 1340, 1440, 1540, 1640, 1740, 1840, 2040, 2240, 2440, 2640, 2840, 3040 |
| Thermal expansion coefficient (/°C) |
12 ± 1 x 10^-6 / °C |
| Output signal |
Absolute serial bidirectional signal, compliant with EIA-485 |
| Accuracy (at 20 °C) ML:mm |
3+3ML/1000 µm p-p or 5+5ML/1000 µm p-p |
| Resolution |
Selectable from 0.01, 0.05, 0.1, 0.5 and 1.0 µm (Set at factory shipping) |
| Zero count position |
Center mark |
| Power supply voltage |
DC 4.75 - 5.25 V (At cable connection end) |
| Consumption current |
200 mA (at 120 Ω terminal) max. |
| Imrush current |
2A max. (When the power supply rise time is 10ms) |
| Maximum response speed |
200 m/min (User-selected resolution setting) |
| Vibration resistance |
250 m/s² (50Hz~2kHz) |
| Impact resistance |
450 m/s² (11ms) |
| Protective design grade |
IP54 (Air purge not included), IP65 (Air purge included) |
| Other protections |
Oil lubricant can also be used under severe enviromental conditions |
| Power supply protection |
In the case of errors such as reverse connected power supply or over voltage, the internal fuse is cut to protect the power being supplied and wiring |
| Safety standards |
FCC Part 15 Subpart B Class A. ICES-003 Class A Digital Device.
EN55011 Gp1 Class A, EN61000-6-2. Safety standards not applicable (60 V DC or less) |
| Operating temperature range (°C) |
0 ~ +50 °C |
| Storage temperature range (°C) |
-20 ~ +55 °C |
| Mass |
Approx. 1.24kg + 4kg/m |
| Slider sliding resistance |
1N or less |
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