參數(shù)表節(jié)選：的技術(shù)參數(shù) KFD2-STC4-Ex1.2O
| General specifications | ||
|---|---|---|
| Signal type | Analog input | |
| Functional safety related parameters | ||
| Safety Integrity Level (SIL) | SIL 3 | |
| Supply | ||
| Connection | Power Rail or terminals 14+, 15- | |
| Rated voltage | 20 ... 35 V DC | |
| Ripple | within the supply tolerance | |
| Power dissipation | 1.8 W | |
| Power consumption | 2.4 W | |
| Input | ||
| Connection side | field side | |
| Connection | terminals 1+, 2-, 3 or 5-, 6+ | |
| Input signal | 0/4 ... 20 mA | |
| Open circuit voltage/short-circuit current | terminals 1+, 3-: 22.7 V / 38 mA | |
| Voltage drop | terminals 5, 6 : ≤ 2.4 V at 20 mA | |
| Input resistance | terminals 2-, 3: max. 76 Ω terminals 1+, 3: max. 500 Ω (250 Ω load) | |
| Available voltage | terminals 1+, 3: ≥ 16 V at 20 mA | |
| Output | ||
| Connection side | control side | |
| Connection | terminals 7-, 8+,9; 10-, 11+,12 | |
| Load | 0 ... 550 Ω at 20 mA | |
| Output signal | 0/4 ... 20 mA (overload > 25 mA) | |
| Ripple | max. 50 μA rms | |
| 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 | 20 μs | |
| Galvanic isolation | ||
| Output/power supply | functional insulation, rated insulation voltage 50 V AC | |
| Output/Output | functional insulation, rated insulation voltage 50 V AC | |
| Indicators/settings | ||
| Display elements | LED | |
| Labeling | space for labeling at the front | |
| Directive conformity | ||
| Electromagnetic compatibility | ||
| Directive 2014/30/EU | EN 61326-1:2013 (industrial locations) | |
| Conformity | ||
| Electromagnetic compatibility | NE 21:2011 | |
| Degree of protection | IEC 60529:2001 | |
| Protection against electrical shock | UL 61010-1:2012 | |
| Ambient conditions | ||
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
