Encoder Ex-Proof EXAG-A-SSI - absolute
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Christian Willmann
c.willmann@willtec.de
+49 (0)7665 - 93465-17
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- Order number: EXAG-A-SSI
- Shaft Encoder - Ø 78 mm
- Shaft: Ø 10 mm or Ø 12 mm
- Synchronous Serial Interface (SSI) – (RS422/TTL)
- Resolution up to 30 bits
- Removable End Cap for on-site modifications
- ATEX, IECEx, EAC Ex and North America Class I Div. 2, Ex db IIC.
Electrical Specifications
| Code: | Absolute – Binary or Gray Code |
| Interface: | Synchronous Serial (SSI) Driver meets EIA standard RS422 |
| Resolution: | Max. 14 bit (16384) revolutions Max. 16 bit (65536) steps per rev. |
| Transfer Distance: | Up to 1200 m (3937 ft) |
| Clock Input: | RS422 compatible via optocoupler |
| Data Output: | Line Driver RS422 |
| Clock Frequency: | 100 kHz to 2MHz |
| Accuracy of Division: | +/- ½ LSB (12 bit) +/- 2 LSB (16 bit) |
| Cycle Time: | < 25 μs |
| Supply Voltage: | 4.5 to 30 VDC (Absolute limits) According to EN 50 178 |
| Power Consumption: | Max. 1,5 watts |
| Electrical Protection: | Reverse polarity and over-voltage-peak protection |
| Noise Immunity: | EN61000-6-2 |
| Emitted Interference: | EN 61000-6-4 |
Mechanical Specifications
| Material: | Housing: Aluminum or Stainless Steel Cap: Aluminum or Stainless Steel Shaft: Stainless Steel |
| Weight: | Aluminum: ~ 1600 gr (56,44 oz) Stainless Steel: ~ 3100 gr (109,35 oz) |
| Bearing Life: | > 1.9 x 10¹⁰ revolutions at rated load |
| Shaft Speed: | 6.000 rpm (max.) IP 64 3.000 rpm (max.) IP 65/66/67/68 |
| Starting Torque: | ≤ 0,01 Nm at 25° C (no seal) ≤ 0,03 Nm at 25° C (with seal) |
| Mass Moment of Inertia: | 42 gcm² (5,95 x 10⁻⁴ oz-in-sec²) |
| Shaft Loads: | Axial: 60 N (13,50 lbs) max. Radial: 80 N (17,98 lbs) max. |
Environmental Specifications
| Operating Temp.: | -40° to +70° C |
| Storage Temp.: | -40° to +70° C |
| Shock: | 100 G / 11 ms |
| Vibration: | 10-2000 Hz / 10 G |
| Bump: | 10 G / 16 ms (1000 x 3 axis) |
| Humidity: | 98 % RH without condensation |
| Enclosure Rating: | IP 64 / Nema 4 (approx.) IP 65 / Nema 5 (approx.) IP 66 / Nema 6 (approx.) IP 67 / Nema 6 (approx.) IP 68 (1hour/1 meter) / Nema 6P (approx.) |
Certificates
ATEX: Certificate No.: ITS09ATEX16867X II 2 G Ex db IIC T5 Gb II 2 D Ex tb IIIC T100°C
Db -40°C≤ Ta≤ +70°C
IECEx: Certificate No.: IECEx ITS 10.0016X Ex db IIC T5 Gb, Ex tb IIIC T100°C Db -40°C
≤ Ta≤ +70°C
North America: Certificate No: LR1192-5 Class I Division 2 Groups ABCD T5, Class II
Division 2 Groups FG, Class I Zone 1AEx db IIC T5 Gb, Ex db IIC T5 Gb, Zone 21 AEx tb IIIC
T100˚C Db, Ex tb IIIC T100˚C Db, Tamb= -40 ˚C to +70 ˚C
EAC Ex: НАНИО «ЦСВЭ» No. ЕАЭС RU C-DK.AA87.B.00266/19 1Ex db IIC T5 Gb X,
Ex tb IIIC T100°C Db X -40°C<T.amb<+70°C
CAD-Files: Please request.
