參數(shù)表節(jié)選：的技術(shù)參數(shù) KCD2-STC-Ex1.ES
| General specifications | ||
|---|---|---|
| Signal type | Analog input | |
| Functional safety related parameters | ||
| Safety Integrity Level (SIL) | SIL 3 | |
| Systematic capability (SC) | SC 3 | |
| Supply | ||
| Connection | Power Rail or terminals 9+, 10- | |
| Rated voltage | 19 ... 30 V DC | |
| Ripple | ≤ 10 % | |
| Rated current | ≤ 50 mA | |
| Power dissipation | ≤ 800 mW | |
| Power consumption | ≤ 1.2 W | |
| Input | ||
| Connection side | field side | |
| Connection | terminals 1+, 2-; 3+, 4- | |
| Input signal | 4 ... 20 mA , limited to approx. 27 mA reverse polarity protected | |
| Line fault detection | downscaling ≤ 3 mA ; upscaling ≥ 22 mA | |
| Voltage drop | approx. 5 V on terminals 3+, 4- | |
| Available voltage | ≥ 15 V at 20 mA terminals 1+, 2- | |
| Output | ||
| Connection side | control side | |
| Connection | terminals 5-, 6+ | |
| Load | 0 ... 300 Ω (source mode) | |
| Output signal | 4 ... 20 mA or 1 ... 5 V (on 250 Ω, 0.1 % internal shunt) 4 ... 20 mA (sink mode), operating voltage 16 ... 28 V | |
| Ripple | 20 mV rms | |
| Fault indication output | ||
| Output type | fault bus signal , open collector transistor | |
| Transfer characteristics | ||
| Deviation | at 20 °C (68 °F) ≤ ± 20 μA incl. calibration, linearity, hysteresis, loads and supply voltage fluctuations (source mode and sink mode 4 ... 20 mA) ≤ 10 mV incl. calibration, linearity, hysteresis and fluctuations of supply voltage (source mode 1 ... 5 V) | |
| Influence of ambient temperature | < 2 μA/K (0 ... 70 °C (32 ... 158 °F)); < 4 μA/K (-20 ... 0 °C (-4 ... 32 °F)) (source mode and sink mode 4 ... 20 mA) < 0.5 mV/K (0 ... 70 °C (32 ... 158 °F)); < 1 mV/K (-20 ... 0 °C (-4 ... 32 °F)) (source mode 1 ... 5 V) | |
| Frequency range | field side into the control side: bandwidth with 1 mApp signal 0 ... 3 kHz (-3 dB) control side into the field side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB) | |
| Settling time | ≤ 200 ms | |
| Rise time/fall time | ≤ 20 ms | |
| Galvanic isolation | ||
| Input/Output | safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V | |
| Input/power supply | safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V | |
| Output/power supply | Basic isolation acc. to EN 61010-1 rated insulation voltage ≤ 50 V | |
| Indicators/settings | ||
| Display elements | LEDs | |
| Control elements | DIP switch | |
| Configuration | via DIP switches | |
| Labeling | space for labeling at the front | |
