Characteristic safety values of MOVISAFE® CSA31A
| Characteristic values | |
|---|---|---|
EN 62061/EN 61800-5-2 | EN ISO 13849-1 | |
Tested safety class/standard basis | SIL 3 | PL e |
Probability of dangerous failure per hour (PFHD value) | 8.5 × 10-9 1/h | |
Mission time/ | 20 years, after which the component must be replaced with a new one. | |
Proof test interval | 20 years | – |
Safe state | Value "0" for all safe F-DO process values (output disabled) | |
Safety sub-function | SS1, SS2, SOS, SLS, SSM, SSR, SDI, SLI, SLA, SCA, SLP | |
The following encoder combinations are permitted.
Encoder 1 | Encoder 2 | Encoder 3 | PL | See chapter |
|---|---|---|---|---|
FS motor encoder | – | – | d | 1-encoder concept – FS motor encoder |
FS motor encoderOnly the sin/cos signals are evaluated for safety reasons. | Sin/cos | – | eFor speed and relative position. | 2-encoder concept (with MOVISAFE® CSA31A only) |
FS motor encoderOnly the sin/cos signals are evaluated for safety reasons. | SSI | – | eFor speed and relative position. | |
FS motor encoderOnly the sin/cos signals are evaluated for safety reasons. | – | SSI | eFor speed and relative position. | |
Sin/cos | SSI | – | d | |
EI7C FS | SSI | – | d | |
HIPERFACE® | SSI | – | d | |
Sin/cos | – | SSI | d | |
EI7C FS | – | SSI | d | |
– | SSI | SSI | d | |
– | SSI | SSI | eFor speed and absolute position. | 1-encoder concept – FS distance encoder |
Key:
- Encoder 1: Motor encoder
- Encoder 2: External encoder
- Encoder 3: 2nd External encoder
- PL: Maximum performance level that can be achieved
