| Signal type | Digital Input |
|---|---|
| Functional safety related parameters | |
| Safety Integrity Level (SIL) | SIL 2 |
| Supply | |
| Connection | Power Rail or terminals 14+, 15- |
| Rated voltage | 19 ... 30 V DC |
| Ripple | ≤ 10 % |
| Rated current | ≤ 45 mA |
| Power dissipation | ≤ 0.9 W |
| Power consumption | ≤ 0.9 W |
| Input | |
| Connection side | field side |
| Connection | terminals 1+, 2+, 3- |
| Rated values | acc. to EN 60947-5-6 (NAMUR) |
| Open circuit voltage/short-circuit current | approx. 8 V DC / approx. 8 mA |
| Switching point/switching hysteresis | 1.2 ... 2.1 mA / approx. 0.2 mA |
| Line fault detection | breakage I ≤ 0.1 mA , short-circuit I > 6 mA |
| Pulse/Pause ratio | min. 20 ms / min. 20 ms |
| Output | |
| Connection side | control side |
| Connection | output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12 |
| Output I | signal ; relay |
| Output II | signal or error message ; relay |
| Contact loading | 250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 40 V DC/2 A resistive load |
| Minimum switch current | 2 mA / 24 V DC |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms |
| Mechanical life | 107 switching cycles |
| Collective error message | Power Rail |
KFD2-SR2-EX1.W.LB安全栅
型号：
KFD2-SR2-EX1.W.LB
