| Signal type | Digital Input | |
|---|---|---|
| Functional safety related parameters | ||
| Safety Integrity Level (SIL) | SIL 2 | |
| Supply | ||
| Connection | terminals 23, 24 | |
| Rated voltage | 20 ... 90 V DC / 48 ... 253 V AC 50 ... 60 Hz | |
| Power dissipation/power consumption | ≤ 2 W ; 2.5 VA / 2.2 W ; 3 VA | |
| Interface | ||
| Programming interface | programming socket | |
| Input | ||
| Connection side | field side | |
| Connection | Input I: 2-wire sensor: terminals 1+, 3- three wire sensor: terminals 1+, 2- and 3 input II: terminals 13+, 14- start-up override; | |
| Input I | 2- or 3-wire sensor, sensor acc. to EN 60947-5-6 (NAMUR) or mechanical contact | |
| Open circuit voltage/short-circuit current | 22 V / 40 mA | |
| Input resistance | 4.7 kΩ | |
| Switching point/switching hysteresis | logic 1: > 2.5 mA ; logic 0: < 1.9 mA | |
| Pulse duration | > 50 µs | |
| Input frequency | 0.001 ... 10000 Hz | |
| Line fault detection | breakage I ≤ 0.15 mA; short-circuit I > 4 mA | |
| Input II | startup override: 1 ... 1000 s, adjustable in steps of 1 s | |
| Active/Passive | I > 4 mA (for min. 100 ms) / I < 1.5 mA | |
| Open circuit voltage/short-circuit current | 18 V / 5 mA | |
KFU8-UFC-1.D安全栅
型号:
KFU8-UFC-1.D