AV8.
Encoder | Size, unit | AV8Y | AV8WSee figure "Sin/cos signals and phase relationship". | AV8HObserve the specification for the HIPERFACE® interface, Sick AG. | |
|---|---|---|---|---|---|
Motor series and size |
| DRN../DRU../DR2.71 – 355 | |||
Signal output | sin/cos + SSI, RS422 | sin/cos + RS485 | HIPERFACE® | ||
Supply voltage | UB | DC 7 V – 30 V | DC 7 V – 30 V | DC 7 V – 12 V | |
Supply voltage for design as safety encoder | UB_FS | DC 7 V – 30 V | DC 7 V – 30 V | – | |
Maximum current consumption, free of load | Iin | 100 mA (at UB = 7 V) | 100 mA (at UB = 7 V) | 80 mA | |
Maximum pulse frequency | fpulse_max | 200 kHz | |||
Direction of rotation |
| A before B when looking at the motor output shaft in clockwise rotation | |||
Incremental tracks; periods per revolution | A, B | 2048 (11 bits) | 2048 (11 bits) | 1024 (10 bits) | |
C | – | ||||
Incremental tracks, increments per revolution | A, B | 8192 (13 bits) | 8192 (13 bits) | 4096 (12 bits) | |
Position resolution, positions per revolution, digital protocol | Digital | 4096 (12 bits) (SSI, RS422) | 65536 (16 bits) (RS485) | 32768 (15 bits) HIPERFACE® | |
Accuracy of the incremental section Due to the stiffness of the torque bracket, you have to take into account an automatically resetting twist of ±0.6° (depending on the direction of rotation) of the encoder housing compared to the encoder shaft. |
| ±0.0194° (±70") | ±0.0194° (±70") | ±0.0125° (±45") | |
Accuracy of the absolute section |
| ±1 LSB (Least Significant Bit) | ±3 LSB (Least Significant Bit) | ±0.0144° (±52") | |
Voltage output signal (peak-to-peak) (A’ = A - | Ut_diff | 1 V ± 10% | 1 V ± 10% | Typical: 6.6 V to 10 V (± 10%) | |
Voltage output signal (peak-to-peak) | Ut | 0.5 V ± 10% | 0.5 V ± 10% | Typical: 3.3 V to 5 V (± 10%) | |
Signal level output, offset | Ut_o | 2.5 V ± 0.3 V | 2.5 V ± 0.3 V | Typical: 0 V | |
Total harmonic distortion (THD) |
| 40 dB (1%), 60 dB (0.1%) from 7th harmonic | |||
Load resistance/load current | RL/IL | 120 Ω ± 10% | 120 Ω ± 10% | 120 Ω ± 10% | |
Resistance between track and reference ground | Rgnd | ≥ 1 kΩ | ≥ 1 kΩ | ≥ 1 kΩ | |
Load capacitance, output |
| ≤ 20 nF | ≤ 20 nF | ≤ 20 nF | |
Voltage output signal, (peak-to-peak) | Ut_diff e | – | – | – | |
C track offset | g | – | – | – | |
Voltage output signal, non-differential (C, (peak-to-peak) | Ut_C | – | – | – | |
Phase angle track C’, n = constant | k, l | – | – | ||
Signal width track C | WC | ||||
Signal logic track C |
| – | |||
Pulse duty factor in accordance with IEC 60469-1, n = constant | – | ||||
Phase offset A : B; n = constant | 90° ± 2° | ||||
Scanning code/counting direction | Gray code, ascending with the direction of rotation specified above | Binary code, ascending with the direction of rotation specified above | Binary code, ascending with the direction of rotation specified above | ||
Multi-turn resolution | 4096 revolutions (12 bits) | 65536 revolutions (16 bits) | 4096 revolutions (12 bits) | ||
Communication, interface | SSI (synchronous, serial) | RS485 (asynchronous, serial) | HIPERFACE® | ||
Communication, modules | Driver to EIA RS422 | Driver to EIA RS485 | Driver to EIA RS485 | ||
Clock frequency/bandwidth | 100 – 800 kHz (100 m cable length with maximum 300 kHz) | 9600 baud | HIPERFACE® | ||
Clock-pulse space period | Typical: > 30 µsDouble query in preparation. | – | – | ||
Vibration resistance in accordance with EN 60068‑2‑6 |
| ≤ 10 g (f > 18.5 Hz) | |||
Shock resistance in accordance with EN 60068‑2‑27 | ≤ 100 g (t = 6 ms, 18 pulses) | ||||
Maximum speed | nmax | 6000 min-1 | |||
Maximum cable lengthObserve the requirements for the cables. |
| 100 m | |||
Duration until fault message |
| ≤ 25 ms + 3/4 revolution | ≤ 25 ms + 3/4 revolution | HIPERFACE® | |
Activation time of the encoder-internal diagnostics after switching on |
| 200 ms | 200 ms | HIPERFACE® | |
Degree of protection according to EN 60529 | IP66 | IP65 | |||
Installation altitude | h | ≤ 4000 m above sea level | ≤ 4000 m above sea level | ≤ 2000 m above sea level | |
In areas at risk of explosion: Permitted external pressure 0.8 – 1.1 bar (at typical height ≤ 1800 m above sea level) | |||||
Explosion protection mark ATEX/IECEx |
| ATEX equipment category 3 (3G, 3D, 3GD) IECEx EPL .c (3G-c, 3D-c, 3GD-c) | ATEX equipment category 3 (3G, 3D, 3GD) IECEx EPL .c (3G-c, 3D-c, 3GD-c) | – | |
IECEx certificate of conformity |
| IECEx IBE 18.0032X | IECEx IBE 18.0032X | – | |
Corrosion protection; surface protection |
| KS, OS1 – OS4, OSG | |||
Connection |
| ||||
Storage temperature | °C | -15 to +70 | |||
Maximum angular acceleration |
| 2×104 rad/s² | 2×104 rad/s² | 104 rad/s² | |
Electronic nameplate |
| – | RS485 (serial, asynchronous); 1920 bytes | HIPERFACE®; 1792 bytes | |
Maximum degree of pollution during installation work |
| Degree of pollution 1 (IEC 61010-1, EN 60664-1, VDE 0110-1) | |||
Ambient temperature of motor | DRN../DR2../DRU71 – 250 | °C | -30 to +60 | -30 to +60 | -30 to +60 |
DRN../DR2../DRU280 | °C | -30 to +40 | -30 to +40 | -30 to +40 | |
EDRN71 – 280S | °C | -30 to +60 | -30 to +60 | – | |
EDRN280M | °C | -30 to +40 | -30 to +40 | – | |
DR2C71 – 180 | °C | – | -30 to +60 | -30 to +60 | |
Functional safety |
| – | |||