參數(shù)表節(jié)選：的技術(shù)參數(shù) KFD2-CRG2-1.D
| General specifications | ||
|---|---|---|
| Signal type | Analog input | |
| Functional safety related parameters | ||
| Safety Integrity Level (SIL) | SIL 2 | |
| Supply | ||
| Connection | Power Rail or terminals 23+, 24- | |
| Rated voltage | 20 ... 30 V DC | |
| Rated current | approx. 130 mA | |
| Power dissipation | 2 W | |
| Power consumption | 2.5 W | |
| Interface | ||
| Programming interface | programming socket | |
| Input | ||
| Connection side | field side | |
| Connection | terminals 1, 2, 3 | |
| Input I | ||
| Input signal | 0/4 ... 20 mA | |
| Available voltage | ≥ 15 V at 20 mA | |
| Open circuit voltage/short-circuit current | 24 V / 33 mA | |
| Input resistance | 45 Ω (terminals 2, 3) | |
| Line fault detection | breakage I < 0.2 mA; short-circuit I > 22 mA | |
| Output | ||
| Connection side | control side | |
| Connection | output I: terminals 10, 11, 12 output II: terminals 16, 17, 18 Output: analog terminals 8+, 7- | |
| Output signal | 0 ... 20 mA or 4 ... 20 mA | |
| Output I, II | signal, relay | |
| Contact loading | 250 V AC / 2 A / cos φ ≥ 0.7 ; 40 V DC / 2 A | |
| Mechanical life | 5 x 107 switching cycles | |
| Output III | Signal, analog | |
| Current range | 0 ... 20 mA or 4 ... 20 mA | |
| Open loop voltage | max. 24 V DC | |
| Load | max. 650 Ω | |
| Fault signal | downscale I ≤ 3.6 mA, upscale I ≥ 21.5 mA (acc. NAMUR NE43) | |
| Energized/De-energized delay | 0 ... 250 s , adjustable | |
| Transfer characteristics | ||
| Input I | ||
| Accuracy | < 30 μA | |
| Influence of ambient temperature | 0.003 %/K (30 ppm) | |
| Output I, II | ||
| Response delay | ≤ 200 ms at bounce from 0 ... 20 mA | |
| Output III | ||
| Resolution | ≤ 10 μA | |
| Accuracy | < 20 μA | |
| Influence of ambient temperature | 0.005 %/K (50 ppm) | |
| Reaction time | < 650 ms at bounce from 0 ... 20 mA at the input, 90 % of output full-scale value | |
