Absolute encoder SCA94DD
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- Order number: SCA94DD
Semi-absolute "eCode" Encoder with solid shaft
Characteristics:
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Product information "Absolute encoder SCA94DD"
Semi-absolute "eCode" Encoder with solid shaft
Characteristics:
- Diameter: Ø94 mm
- Particularly made to be used in wind power generation
- Singleturn, 20 bits
- Enclosure Rating: IP67
- Output: Profibus
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Technical data "Absolute encoder SCA94DD"
Electrical Specifications
| Code: | Semi-absolute singleturn |
| Internal Resolution: | 1,048,576 (2²⁰) positions per revolution. |
| Supply Voltage: | 9 V to 30 V. |
| Current Consumption: (typical without load) |
100 mA @ Vsup = 10 V. 60 mA @ Vsup = 24 V. |
| Outputs: | Digital – Quadrature with index. |
| Interfaces: | Profibus for data interchange. RS485 for set-up. |
| Electrical Protection: | Output short circuit, reverse polarity and transient surge protected through built-in protection module |
| Noise Immunity: | Tested to EN61000-6-2 : 2005 (industrial environments) and EN 61000-6-3 : 2007 (residential, commercial, and light-industrial environments) for Electromagnetic compatibility (EMC). |
Electrical Specifications – Digital Outputs
| Output: | OL7272 Line Driver. HTL compatible. |
| Output Specifications | Vhigh ≥ Vsup - 1.8 V @ Iout = - 20 mA Vlow ≤ 0.8 V @ Iout = 20 mA |
| Output Current: | 40 mA max. load per output channel |
| Output Format: | Two channel (A, B) quadrature with Index (Z) and complementary (A-, B-,Z-) outputs |
| Phase Sense: | Selectable as clockwise (CW) or counter clockwise (CCW) |
| Resolution: | Selectable as 1024, 2048, 4096 or 8192 pulses per revolution. |
| Maximum Frequency: | 25 kHz |
Speed Specifications
| Maximum Speed: | 50 rpm |
| Resolution: | 0.01 rpm |
| Accuracy: | Depending on sample time. Ex. ±0.05 rpm sample time = 10 mSec. |
| Sample Time: | Selectable 1mSec to 100 mSec. (10 to 1000 samples per second). 10 mSec recommended. |
Position Specifications
| Resolution: | 0.1 degree |
| Accuracy: | ±0.1 degree |
| Measuring Range: | 0.0 to 359.9 degree (1 revolution) |
Profibus Specifications
| Interface Standard: | DP-V0. |
| Baud Rate: | All standard baud rates from 9,600 baud to 12 Mbaud. |
| Address Range: | 1 to 125 |
| Termination Resistors: | Built-in – Switchable on/off |
Mechanical Specifications
| Material: | Housing: Aluminum Cap: Aluminum Shaft: Stainless Steel (AISI 303) |
| Weight: | Encoder: approx. 1100 gr. (38.80 oz) |
| Bearing Life: | > 1.9 x 10¹⁰ revolutions at rated load |
| Starting Torque: | < 0.1 Nm (14.16 oz-in) at 25° C |
| Mass Moment of Inertia: | 31 gcm² (4.39 x 10⁻⁴ oz-in-sec²) |
| Shaft Loads: | Axial 200 N (45 lbs) max. Radial 400 N (90 lbs) max. |
Environmental Specifications
| Operating Temperature: | -40° to +85° C |
| Storage Temperature: | -40° to +85° 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 67 / Nema 6 (approx.) |
Connection
| Connectors: | 12-pin M23 Male connector 5-pin M12 Male connector 5-pin M12 Female connector |
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