EK8W, AK8W, AK8Y
| Characteristic safety values according to | |
|---|---|---|
EN 62061/EN 61508 | EN ISO 13849‑1 | |
Classification | SIL 2 | PL d |
System structure | HFT = 1 | 2-channel (Cat. 3) |
PFHD valueThe specified values apply when the requirements for the encoder evaluation unit are met. (without mounting on the motor) | 1.42 × 10-8 1/h = 14.2 FIT (Tamb ≤ 45 °C) 1.77 × 10-8 1/h = 17.7 FIT (Tamb ≤ 60 °C) | |
MTTFD value1) (without mounting on the motor) | – | 1489 years (Tamb ≤ 45 °C) 1030 years (Tamb ≤ 60 °C) |
PFHD value1) (with mounting on the motor; takes into account a derating due to motor reheating) | 5.0 × 10-8 1/h = 50 FIT (TU ≤ 60 °C) | |
MTTFD value1) (with mounting on the motor; takes into account a derating due to motor reheating) | – | 212 years (Tamb ≤ 60 °C) |
Service life/proof test interval | 20 years | |
Motor/encoder connection (only for drives with FS logo) | Fault exclusion according to EN 61800-5-2 | |
