MELSEC-QS/WS Series
Standards and certifications (by product) Products
IEC61508 PFDd/PFHd value, ISO13849-1 MTTFd value
Safety programmable controller
| Safety standards | IEC61508 | ISO13849-1 | |||||
|---|---|---|---|---|---|---|---|
| SIL | PFDd | PFHd | PL | MTTFd (year) |
DCavg | ||
| QS061P-A1/A2 QS001CPU QS034B QS0J71GF11-T2 QS0J61BT12 |
(Note 1) | SIL3 | 13.8 x 10-5 | 4.9 x 10-9 | PL e | 57 | >90% |
| QS0J65BTB2-12DT | SIL3 | 2.5 x 10-5 | 1.1 x 10-9 | PL e | 124 | >90% | |
| QS0J65BTS2-8D | SIL3 | 1.6 x 10-5 | 0.74 x 10-9 | PL e | 177 | >90% | |
| QS0J65BTS2-4T | SIL3 | 1.6 x 10-5 | 0.74 x 10-9 | PL e | 175 | >90% | |
| QS061P-A1/A2-K QS001CPU-K QS034B-K QS0J61BT12-K |
(Note 1) | SIL3 | 12.7 x 10-5 | 4.7 x 10-9 | PL e | 72 | >90% |
| QS0J65BTB2-12DT-K | SIL3 | 2.5 x 10-5 | 1.2 x 10-9 | PL e | 120 | >90% | |
Note 1: Total value of the safety modules is listed
Note 2: PFD and PFH values of the following modules are not calculated.
QS034B(-K)
QS0J61BT12(-K)
QS0J71GF11-T2
Safety controller
| Safety standards | IEC61508 | ISO13849-1 | ||||
|---|---|---|---|---|---|---|
| SIL | PFDd | PFHd | PL | MTTFd (year) |
DCavg | |
| WS0-CPU000200 | SIL3 | - | 1.07 x 10-9 | PL e | - | - |
| WS0-CPU100202 | SIL3 | - | 1.69 x 10-9 | PL e | - | - |
| WS0-CPU320202 | SIL3 | - | 1.69 x 10-9 | PL e | - | - |
| WS0-XTIO84202 (2ch output) | SIL3 | - | 0.9 x 10-9 | PL e | - | - |
| WS0-XTIO84202 (1ch output) | SIL3 | - | 4.8 x 10-9 | PL e | - | - |
| WS0-XTDI80202 | SIL3 | - | 0.4 x 10-9 | PL e | - | - |
| WS0-4RO4002 | SIL3 | - | 1.2 x 10-9 | PL e | - | - |
Safety relay module
| Safety standards | IEC61508 | ISO13849-1 | ||||
|---|---|---|---|---|---|---|
| SIL | PFDd | PFHd | PL | MTTFd (year) |
DCavg | |
| QS90SR2SP-Q | - | - | - | PL e | >100 | 0.99 |
| QS90SR2SN-Q | - | - | - | PL e | >100 | 0.99 |
| QS90SR2SP-CC | - | - | - | PL e | >100 | 0.99 |
| QS90SR2SN-CC | - | - | - | PL e | >100 | 0.99 |
| QS90SR2SP-EX | - | - | - | PL e | >100 | 0.99 |
| QS90SR2SN-EX | - | - | - | PL e | >100 | 0.99 |