參數(shù)表節(jié)選：的技術(shù)參數(shù) KFD2-SRA-Ex4
| General specifications | ||
|---|---|---|
| Signal type | Digital Input | |
| Supply | ||
| Connection | Power Rail or terminals 14+, 15- | |
| Rated voltage | 19 ... 30 V DC | |
| Ripple | ≤ 10 % | |
| Rated current | 45 ... 70 mA | |
| Power dissipation | 1.2 W | |
| Input | ||
| Connection side | field side | |
| Connection | terminals 1-, 2+, 3-; 4-, 5+, 6- | |
| Rated values | acc. to EN 60947-5-6 (NAMUR), see manual for electrical data | |
| Open circuit voltage/short-circuit current | approx. 8 V DC / approx. 8 mA | |
| Switching point/switching hysteresis | 1.2 ... 2.1 mA / approx. 0.2 mA | |
| Pulse/Pause ratio | min. 35 ms / min. 35 ms (non-AC operation) min. 70 ms / min. 70 ms (AC operation) | |
| Line fault detection | breakage I ≤ 0.15 mA , short-circuit I > 6 mA | |
| Output | ||
| Connection side | control side | |
| Connection | output I: terminals 7, 8 ; output II: terminals 8, 9 ; output III: terminals 10, 11 ; output IV: terminals 11, 12 | |
| Output I ... IV | Signal I ... Signal IV ; relay | |
| Contact loading | 253 V AC/2 A /cos φ > 0.7; 40 V DC/2 A resistive load; | |
| Energized/De-energized delay | approx. 30 ms / approx. 30 ms | |
| Mechanical life | 5 x 106 switching cycles | |
| Collective error message | Power Rail | |
| Transfer characteristics | ||
| Switching frequency | ≤ 10 Hz (non-AC operation) ≤ 3 Hz (AC operation) | |
| Galvanic isolation | ||
| Input/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Input/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Output/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Output/Output | basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Indicators/settings | ||
| Display elements | LEDs | |
| Control elements | DIP switch | |
| Configuration | via DIP switches | |
| Labeling | space for labeling at the front | |
| Directive conformity | ||
| Electromagnetic compatibility | ||
| Directive 2014/30/EU | EN 61326-1:2013 (industrial locations) | |
| Low voltage | ||
| Directive 2014/35/EU | EN 61010-1:2010 | |
