Encoder - Incremental SCA28
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Christian Willmann
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- Order number: SCA28
Mini encoder with solid shaft
Characteristics:
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Product information "Encoder - Incremental SCA28"
Mini encoder with solid shaft
Characteristics:
- Encoder: Ø28 mm
- Shaft: Ø4 mm - Ø1/4 inch
- Resolution up to 7 500 ppr
- IP50 (IP65 option)
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Technical data "Encoder - Incremental SCA28"
Electrical Specifications
| Code | Incremental |
| Resolution | 1 to 7.500 ppr (pulses per revolution) |
| Supply Voltage | 4.5 Vdc min. to 30 Vdc max. ** |
| Current Consumption | 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 | 25 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 |
| Output | ASIC Differential OL7272 Push-pull and Differential Line Driver 26C31 Differential Line Driver 5V output (with 5V input) |
| Electrical Protection | Reverse polarity protected Output short circuit protected |
| Noise Immunity | Tested to EN61000-6-2 : 2005 (industrial environments) Electromagnetic compatibility (EMC) and EN 61000-6-3 : 2007 (residential, commercial, and light- industrial environments) for Electromagnetic compatibility (EMC) |
Mechanical Specifications
| Material | Housing: Aluminium Cap: Electroplated Steel Shaft: Stainless Steel |
| Weight | Encoder: ~ 40 gr (1.41 oz) Cable: 50 gr / meter (1.76 oz / meter) |
| Bearing Life | > 1.9 x 1010 revolutions at rated load |
| Bearing Pre-Load | - |
| Shaft Speed | 9.000 rpm (max.) |
| Starting Torque | < 0.005 Nm (0.708 oz-in) at 25°C |
| Mass Moment of Inertia | 0.8 gcm2 (1.13 x 10-5 oz-in-sec2) |
| Hollow Shaft Loads | Axial: 20 N (4.5 lbs) max. Radial: 20 N (4.5 lbs) max. |
Environmental Specifications
| Operating Temperature | -40° to +85°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 | IP65 / Nema 4 (approx.) |
Connection Options
| Cable | 8 leads (0.05 mm2, 30 AWG) - Differential 5 leads (0.14 mm2, 26 AWG) - Standard twisted pairs, shielded |
| Connector | - |
| Flat Cable | 10 lead flat cable with IDC connector |
** = It is recommended user, not to combine max. values for all 3 paramteres
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Accessories "Encoder - Incremental SCA28"
| Coupling (Plastic) | Spring coupling | |||||||
|---|---|---|---|---|---|---|---|---|
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| d1 | d2 | Type number | Order number | d1 | d2 | Type number | Order number |
|
| 2 | 2 | SKPS 1520 02/02 | 08410095 | 3 | 3 | FKZS 1225 03/03 | 08410078 | |
| 3 | 3 | SKPS 1520 03/03 | 08410096 | 3 | 4 | FKZS 1225 03/04 | 08410079 | |
| 4 | 4 | SKPS 1520 04/04 | 08410001 | 4 | 4 | FKZS 1225 04/04 | 08410080 | |
| 4 | 5 | SKPS 1520 04/05 | 08410097 | 5 | 5 | FKZS 1225 05/05 | 08410081 | |
| 5 | 5 | SKPS 1520 05/05 | 08410006 | 6 | 6 | FKZS 1225 06/06 | 08410082 | |
| 5 | 6 | SKPS 1520 05/06 | 08410098 | |||||
| 6 | 6 | SKPS 1520 06/06 | 08410003 | |||||
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