參數(shù)表節(jié)選：的技術(shù)參數(shù) KFD2-STC5-Ex1
| General specifications | ||
|---|---|---|
| Signal type | Analog input | |
| Functional safety related parameters | ||
| Safety Integrity Level (SIL) | SIL 2 | |
| Supply | ||
| Connection | Power Rail or terminals 14+, 15- | |
| Rated voltage | 18 ... 30 V DC | |
| Ripple | within the supply tolerance | |
| Power dissipation | ≤ 1 W at maximum load | |
| Power consumption | ≤ 1.6 W at maximum load | |
| Input | ||
| Connection side | field side | |
| Connection | terminals 1+, 2-, 3 | |
| Input signal | 0/4 ... 20 mA | |
| Open circuit voltage/short-circuit current | terminals 1+, 3: 23 V / 25 mA | |
| Input resistance | max. 265 Ω terminals 2-, 3 , max. 330 Ω terminals 1+, 3 | |
| Available voltage | ≥ 16 V at 20 mA ; ≥ 20 V at 4 mA , terminals 1+, 3 | |
| Output | ||
| Connection side | control side | |
| Connection | terminals 7+, 8-, 9- (sink) terminals 7-, 8+, 9+ (source) see additional information | |
| Load | 0 ... 800 Ω | |
| Output signal | 0/4 ... 20 mA (overload > 25 mA) | |
| Ripple | max. 50 μA rms | |
| External supply (loop) | 2 ... 30 V DC | |
| Transfer characteristics | ||
| Deviation | at 20 °C (68 °F), 0/4 ... 20 mA ≤ 10 μA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage | |
| Influence of ambient temperature | ≤ 0.25 μA/K | |
| Frequency range | field side into the control side: bandwidth with 0.5 Vpp signal 0 ... 7.5 kHz (-3 dB) control side into the field side: bandwidth with 0.5 Vpp signal 0.3 ... 7.5 kHz (-3 dB) | |
| Settling time | 200 μs | |
| Rise time/fall time | 100 μs | |
