SHG-AF Absolute Linear Encoder
Position Sensors & Encoders
This protocol is proprietary to Fanuc and available on all of their control systems. The controller makes a request for positional data and the encoder has to respond correctly with data within a strictly controlled time state. Developed to meet a wide range of feedback applications, the SHG-AF absolute linear encoder provides a true absolute position immediately upon power-up. The encoder does not use batteries or static memory to retain the positional data. True position can be reacquired once power is applied, regardless of duration or power-off movements.
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Contact UsSpecifications
| Output signal | Fanuc serial absolute |
| Accuracy / meter | +/- 0.0004", +/- 0.0002", +/- 0.001" (+/- 10 μm, +/- 5 μm, +/- 3 μm) |
| Resolutions | 10 μm, 5 μm, 1 μm, 0.5 μm |
| Scale travels | 4" to 137.8" (102 mm to 3.5 m) |
| Scale diameter | 0.601" (15.25 mm) |
| Reader head dimensions | 2.05"H x 5.16"L x 1.10"D (52 mm x 131 mm x 28 mm) |
| Reference marker | N/A |
| Maximum traverse rate | N/A |
| Power supply | 5 VDC +/- 5%, < 350 mA |
| Shock (11 ms) | 100g (IEC 69-2-6) |
| Vibration (55-2000 Hz) | 30g (IEC 68-2-27) |
| Sample period | 50 μs |
| Environmental rating | IP67, fully submersible (IEC 529) - exceeds NEMA 6 |
| Operating temperature | 32°F to 131°F (0°C to 55°C) |
| Coefficient of expansion | 12 x 10-6 K |
| Scale material | 316 stainless steel |
| Overall scale length | Scale travel length + 10.2" (258 mm) |
| Standard cable | 15 core, 11.5' (3.5 m) armored |
| Maximum cable length | 65.6' (20 m) |
| Standard connector | 15 pin "D" type |
| EMC compliance | BS EN 61000-6-2 and BS EN 61000-6-4 |
| Resolutions | Custom resolutions available |
| Non-armored cable | PUR (polyurethane) |
| Connectors |
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| Cable lengths | 22' (7m) or 19.68" (0.5m) |