Incremental encoder SCH24EX
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Christian Willmann
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- Order number: SCH24EX
EX-Proof Encoder with hollow shaft
Characteristics:
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Product information "Incremental encoder SCH24EX"
EX-Proof Encoder with hollow shaft
Characteristics:
- Encoder: Ø 24mm
- Hollow Shaft: Ø2 mm - 1/8 inch
- ATEX , IECEx certified and North America Class I and Class II
- Resolution up to 3.600 ppr
- "seawater-proof" - 22 micron anodization
- IP64 / IP65, IP66, IP67 (optional)
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Technical data "Incremental encoder SCH24EX"
Electrical Specifications
| Code | Incremental |
| Resolution | 1 to 3.600 ppr (pulses per revolution) |
| Supply Voltage | 5 Vdc min. to 24 Vdc max. ** (35 mA max. - no load) |
| Output Voltage | Low: 500 mV max. at 10 mA High (Vin - 0.6) at -10 mA (Vin - 1.3) at -25 mA |
| Output Current | 20 mA max. load ** per output channel |
| Frequency Response | 200 kHz max. ** |
| Output Format | Two channel (A,B) quadrature with Index (Z) and optional complementary (A-, B-, Z-) outputs |
| Phase Sense | A leads B clockwise (CW) from the mounting end of the encoder |
| Index | Gated with Channels A and B high |
| Accuracy | +/- 0.8 arc-min |
| Outputs | ASIC Push-pull and Differential |
| Electrical Protection | Reverse polarity and output short circuit protected |
| Noise Immunity | Tested to EN61000-6-2:2005 (industrial environments) Electromagentic compability (EMC) and EN61000-6-3:2007 (residential, commercial, and light-industrial environments) for Electrmagentic compability (EMC) |
Mechanical Specifications
| Material | Housing: Aluminium / Brass Cap: Aluminium Hollow Shaft: Brass |
| Weight | Encoder: Approx. 80 gr (44.1 oz) Cable: 50 gr / meter (1.76 oz / meter) |
| Bearing Life | > 1.9 x 1010 revolutions at rated load |
| Shaft Speed | 12.000 rpm continues (max.) IP50 3.000 rpm continues (max.) IP67 |
| Starting Torque | < 0.001 Nm (0.14 oz-in) at 25°C |
| Mass Moment of Inertia | 0.2 gcm2 (2.8 x 10-6 oz-in-sec2) |
| Shaft Loads | Axial: 10 N (2.25 lbs) max. Radial: 10 N (2.25 lbs) max. |
Environmental Specifications
| Operating Temperature | -40° to +70°C |
| Storage Temperature | -40° to +85°C |
| Shock | 100 G / 11 ms |
| Vibration | 10-2.000 Hz /10 G |
| Bump | 10 G / 16 ms (1.000 x 3 axis) |
| Humidity | 98% RH without condensation |
| Enclosure Rating | IP64 / Nema 4 (approx.) IP65 / Nema 4 (approx.) - option IP66 / Nema 6 (approx.) - option IP67 / Nema 6 (approx.) - option |
Connection Options
| Cable | 8 leads (0.05 mm2, 30 AWG) twisted pairs; shielded |
| Cable Glands | - |
| Terminal Block (removable end cap) |
- |
Certifications
| ATEX | Certificate No.: CML 19ATEX1098X II 2 GD Ex db IIC T5 Gb and Ex tb IIIC T100°C Db -40°C ≤ Tamb ≤ +70°C |
| IECEx | Certificate No.: IECEx QPS 19.0021X Ex db IIC T5 Gb and Ex tb IIIC T100°C Db -40C ≤ Tamb ≤ +70C |
| North America | Certificate No. LR 1192 24VDC, Max. 100 mA Class I, Div 2, Groups ABCD T5, Class II, Div 1, Groups EFG, Ex db IIC T5 Gb, Class I, Zone 1, AEx db IIC T5 Gb |
| 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 |
** = It is recommended user, not to combine max. values for all 3 paramteres
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