Japan, Magnescale
Magnescale SR77 Absolute Linear Encoder

Made in Japan
 Manufacturer: Magnescale Co., Ltd.
 Model: SR77
Features
- Maximum resolution: 0.01 µm
- Accuracy (20°C): (3+3L/1,000) µm p-p, (5+5L/1,000) µm p-p[L:Measuring length]
- Measuring length(L): 70 mm to 2,040 mm
- Response speed:200 m/min
- Protocol: FANUC, Mitsubishi, Panasonic, YASKAWA
Specifications
| Specifications | ||
|---|---|---|
| Model | SR77 | |
| Measuring length(L) | 70 to 2040 mm(26 types), 70, 120, 170, 220, 270, 320, 370, 420, 470, 520, 570, 620, 720, 770, 820, 920, 1020, 1140, 1240, 1340, 1440, 1540, 1640, 1740, 1840, 2040 mm | |
| Thermal expansion coefficient | 12±1 × 10-6/ °C | |
| Output signal | Absolute serial bidirectional signal, compliant with EIA-485 | |
| Accuracy (20°C) | (3+3L/1,000) µm p-p or (5+5L/1,000) µm p-p L:Measuring length (mm) | |
| Resolution (Number of divisions) | FANUC, Panasonic : Selectable from 0.01/0.05/0.1/0.5/1 µm (Set at factory shipping) Mitsubishi : Selectable from 0.01/0.05/0.1 µm (Set at factory shipping) YASKAWA : Selectable from 1/8192, 1/1024 divisions (Set at factory shipping) | |
| Zero Count Position | Center position (Standard) | |
| Power supply voltage | DC 4.75 to 5.25 V (At cable connection end) | |
| Consumption current | 200 mA (at 120 Ω terminal)or less | |
| Inrush current | 2A or less(When the power supply rise time is 10 ms) | |
| Maximum response speed | 200 m/min(User-selected resolution setting) | |
| Vibration resistance | 150 m/s2 (50 Hz to 3,000 Hz) | |
| Impact resistance | 350 m/s2 (11 ms) | |
| Protective design grade | IP54 (Air purge not included), IP65 (Air purge included) | |
| Other protections | Oil lubricant can also be used under severe environmental conditions. | |
| Power supply protection | In the case of errors such as a reverse-connected power supply or over-voltage, the internal fuse is cut to protect the power being supplied and wiring. | |
| Product Safety | FCC Part15 Subpart B Class A ICES-003 Class A Digital Device EN/BS 61000-6-2, EN/BS 61000-6-4 | |
| Product Environment | EN/BS 63000 | |
| Operating temperature (°C) | 0 to +50°C | |
| Storage temperature (°C) | -20 to +55°C | |
| Mass | Approx. 0.27 kg + 1.36 kg/m | |
| Slider sliding resistance | 1 N or less | |
| Cable Specifications | ||
|---|---|---|
| ※Please consult with our sales for the cable length other than above. Magnescale reserves the right to change product specifications without prior notice. | ||
| Model | CH33-**CP (Mitsubishi, Panasonic, Yaskawa) CH33A-**CP (FANUC) | CH33-**CE (Mitsubishi, Panasonic, Yaskawa) CH33A-**CE (FANUC) | 
| Description | Cable with open end | Cable with open end | 
| Length | 3, 5, 10, 15 m | |
| Material | PVC | PU | 
| Armor | ○ | ○ | 












