Excerpt from the technical data sheet: Technical data KFD2-WAC2-1.D
| Main Features | ||
|---|---|---|
| Signal type | Analog input | |
| Supply | ||
| Connection | Power bus or terminals 23+, 24- | |
| Nominal voltage | 20...35 V DC | |
| Pulsation | within the delivery tolerance | |
| Power consumption | Max. 3 W | |
| Interface | ||
| Connection | Power bus or terminals 19+, 20 GND, 21- | |
| Type | RS-485 | |
| Programming interface | programming connector | |
| Field circuit | ||
| Connection | terminals 1+, 2-, 3+, 4-, 5+, 6- | |
| Lead resistance | Max 25 ohms per line | |
| Entrance I |
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Connection | terminals 1+, 2- |
| Power supply for sensors | 1...5 V | |
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Connection | terminals 3+, 4- (power); 5+, 6- (signal) |
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Short-circuit current | 50 mA |
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Load | ≥ 116 Ohm up to 5 V, ≥ 85 Ohm up to 4 V |
| Entrance | ||
| Connection side | side of the field | |
| Connection | Input I: terminals 1+, 2-; Input II: terminals 13+, 14-; Input III: terminals 15+, 14- | |
| Programmable container | 0...500% of range | |
| Entrance I | Analog signal | |
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Input signal | -100...100 mV |
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Input impedance | > 1 MOhm for voltage measurement |
| Entrance II, III | tare adjustment, calibration and zeroing | |
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Open circuit voltage/short circuit current | 18 V/5 mA |
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Active passive | I > 4 mA/I < 1.5 mA |
| Exit | ||
| Connection side | control side | |
| Connection | Output I: terminals 10, 11, 12; Output II: terminals 16, 17, 18; Output III: terminals 7-, 8+, 9- | |
| Exit I, II | Relay output | |
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Contact loading | 253VAC/2A/500VA/cos φ min. 0.7; 40VDC/2A resistive load |
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Mechanical life | 2 x 10 7 switching cycles |
| Result III | Analog output | |
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Current range | -20...20 mA |
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Load | Max. 550 Ohm |
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Analog voltage output | 0...±10 V; output resistance 500 Ohm (jumper between terminals 7 and 9) |
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Analog current output | 0...±20 mA or 4...20 mA; load 0...550 Ohm (terminals 7 and 8) |
| Line fault detection | downscale -21.5 mA (-10.75 V) or 2 mA (1 V), upscale 21.5 mA (10.75 V) | |
| Collective error message | Power bus | |
| Transfer characteristics | ||
| Deviation |
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Resolution/Accuracy | ≤ ± 0.05% incl. nonlinearity and hysteresis |
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Temperature effect | ≤ ± 0.01%/K |
| Reaction time | 300...850 ms | |
| Galvanic isolation | ||
| Input I/other circuits | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Output I, II relative to each other | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Output I, II/other circuits | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Exit III/Input II, III | not available | |
| Output III/programming connector | not available | |
| Other schemes from each other | functional insulation, rated insulation voltage 50 V eff. | |
| Indicators/settings | ||
| Display elements | LEDs, display | |
| Controls | Control Panel | |
| Configuration |
using the control buttons via PACTware |
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| Marking | marking space at the front | |
| Compliance with directives | ||
| Electromagnetic compatibility |
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Directive 2004/108/EU | EN 61326-1:2006 |
| Low voltage |
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Directive 2006/95/EU | EN 61010-1:2010 |
| Correspondence | ||
| Electromagnetic compatibility | NE 21:2006 | |
| Degree of protection | IEC 60529:2001 | |
| Environmental conditions | ||
| Ambient temperature | -20...60°С (-4...140°F) | |
| Mechanical characteristics | ||
| Degree of protection | IP20 | |
| Connection | screw terminals | |
| Weight | approx. 250 g | |
| Dimensions | 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 in) (W x H x D), case type C2 | |
| Installation | on a 35 mm DIN mounting rail in accordance with EN 60715:2001 | |
| International approvals | ||
| UL approval | E223772 | |