Encoder - Incremental 2REX-A-SR
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Christian Willmann
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- Order number: 2REX-A-SR
Characteristics:
EX-Proof / Stainless Steel Encoder with shaft
Encoder:... more
Product information "Encoder - Incremental 2REX-A-SR"
Characteristics:
- EX-Proof / Stainless Steel Encoder with shaft
- Encoder: Ø 68mm
- Hollow Shaft: Ø 10mm - Ø 5/8''
- Resolution up to 10.000 ppr
- Delivered with cable or removable end cap option for on-site installation
- ATEX, IECEx, UKEX, EAC Ex certified
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Technical data "Encoder - Incremental 2REX-A-SR"
Electrical Specifications
| Code | Incremental |
| Resolution | up to 10.000 ppr (pulses per revolution) |
| Supply Voltage | 4.5 Vdc min. to 30 Vdc max. ** (45 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 | 30 mA max. load ** per output channel |
| Frequency Response | 300 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 OL7272 Differential Line Driver (M and MP options) 26C31 Differential Line Driver 5 V output (with 5 V input) |
| Electrical Protection | Output short circuit protected Reverse polarity protected |
| Noise Immunity | EN61000-6-2:2005 (industrial environments) Electromagentic compability (EMC) EN61000-6-3:2007 (residential, commercial, and light-industrial environments) for Electrmagentic compability (EMC) |
Mechanical Specifications
| Material | Housing: Stainless Steel AISI 303 (SR) Cap: Stainless Steel AISI 303 (SR) Shaft: Stainless Steel AISI 303 (SR) |
| Weight | Encoder: Approx. 1.325 gr (47.44 oz) Cable: 50 gr / meter (1.76 oz / meter) |
| Bearing Life | > 1.9 x 1010 revolutions at rated load |
| Shaft Speed | 3.000 rpm continues (max.) IP67 |
| Starting Torque | < 0.1 Nm (14.16 oz-in) at 25°C IP67 |
| Mass Moment of Inertia | 30 gcm2 (4.25 x 10-4 oz-in-sec2) |
| Shaft Loads | Axial: 50 N (11.25 lbs) max. Radial: 100 N (22.5 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.) - option IP65 / Nema 4 (approx.) - option IP66 / Nema 6 (approx.) IP67 / Nema 6 (approx.) - option |
Connection Options
| Cable | MUD resistant (NEK 606) & halogen free, shielded 4x2x0,14 mm2, 26 AWG, 4 twisted pairs; See Datasheet Table 2 |
| Cable Glands | - |
| Terminal Block (removable end cap) |
See Datasheet Table 3 |
Certifications
| ATEX | Certificate No.: ITS 09 ATEX 16846X II 2 G Ex db IIC T5 Gb, II 2 D Ex tb IIIC T100°C Db -40°C < Tamb < +70°C |
| IECEx | Certifcate No.: IECEx ITS 10.0014X Ex db IIC T5 Gb, Ex tb IIIC T100°C Db -40°C < Tamb < +70°C |
| UKEX | Certifcate No.: ITS21UKEX0407X II 2 G Ex db IIC T5 Gb, II 2 D Ex tb IIIC T100°C Db -40°C<Tamb<+70°C |
| North America | - |
| 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 < Tamb > +70°C |
** = It is recommended user, not to combine max. values for all 3 paramteres
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