PEPPERL+FUCHS Strain Gauge Converter KFD2-WAC2-1.D New & Original with very competitive price and One year Warranty
New & Original
KFD2-WAC2-1.D
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PEPPERL+FUCHS Strain Gauge Converter KFD2-WAC2-1.D
New & Original with very competitive price and One year Warranty
* 1-channel signal conditioner
* 24 V DC supply (Power Rail)
* Strain gauge input (full or half bridge)
* Output 0 mA ... ± 20 mA or 0 V ... ± 10 V
* 2 relay contact outputs
* Programmable high/low alarm
* Configurable by PACTware or keypad
* RS-485 interface
* Line fault detection (LFD)
Datasheet excerpt: Technical data of KFD2-WAC2-1.D
| Product Description | ||
|---|---|---|
| 24 V DC | ||
| General specifications | ||
|---|---|---|
| Signal type | Analog input | |
| Supply | ||
| Connection | Power Rail or terminals 23+, 24- | |
| Rated voltage | 20 ... 35 V DC | |
| Ripple | within the supply tolerance | |
| Power consumption | max. 3 W | |
| Interface | ||
| Connection | Power Rail or terminals 19+, 20 GND, 21- | |
| Type | RS-485 | |
| Programming interface | programming socket | |
| Field circuit | ||
| Connection | terminals 1+, 2-, 3+, 4-, 5+, 6- | |
| Lead resistance | max. 25 Ω per line | |
| Input I | ||
| Connection | terminals 1+, 2- | |
| Sensor supply | 1 ... 5 V | |
| Connection | terminals 3+, 4- (supply); 5+, 6- (signal) | |
| Short-circuit current | 50 mA | |
| Load | ≥ 116 Ω up to 5V, ≥ 85 Ω up to 4V | |
| Input | ||
| Connection side | field side | |
| Connection | Input I: terminals 1+, 2-; Input II: terminals 13+, 14-; Input III: terminals 15+, 14- | |
| Programmable Tare | 0 ... 500 % of span | |
| Input I | Signal, analog | |
| Input signal | -100 ... 100 mV | |
| Input resistance | > 1 MΩ for voltage measurement | |
| Input II, III | tare adjustment, calibration and zero | |
| Open circuit voltage/short-circuit current | 18 V / 5 mA | |
| Active/Passive | I > 4 mA/I < 1.5 mA | |
| Output | ||
| Connection side | control side | |
| Connection | Output I: terminals 10, 11, 12; Output II: terminals 16, 17, 18; Output III: terminals 7-, 8+, 9- | |
| Output I, II | Relay output | |
| Contact loading | 253 V AC/2 A/500 VA/cos φ min. 0.7; 40 V DC/2 A resistive load | |
| Mechanical life | 2 x 107 switching cycles | |
| Output III | Analog output | |
| Current range | -20 ... 20 mA | |
| Load | max. 550 Ω | |
| Analog voltage output | 0 ... ± 10 V; output resistance 500 Ω (bridge between terminal 7 and 9) | |
| Analog current output | 0 ... ± 20 mA or 4 ... 20 mA; load 0 ... 550 Ω (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 Rail | |
| Transfer characteristics | ||
| Deviation | ||
| Resolution/accuracy | ≤ ± 0.05 % incl. non-linearity and hysteresis | |
| 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 Veff | |
| Output I, II against eachother | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Output I, II/other circuits | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Output III/Input II, III | not available | |
| Output III/Programming socket | not available | |
| Other circuits from each other | functional insulation, rated insulation voltage 50 Veff | |
| Indicators/settings | ||
| Display elements | LEDs , display | |
| Control elements | Control panel | |
| Configuration | via operating buttons via PACTware | |
| Labeling | space for labeling at the front | |
| Directive conformity | ||
| Electromagnetic compatibility | ||
| Directive 2004/108/EC | EN 61326-1:2006 | |
| Low voltage | ||
| Directive 2006/95/EC | EN 61010-1:2010 | |
| Conformity | ||
| Electromagnetic compatibility | NE 21:2006 | |
| Degree of protection | IEC 60529:2001 | |
| Ambient conditions | ||
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
| Mechanical specifications | ||
| Degree of protection | IP20 | |
| Connection | screw terminals | |
| Mass | approx. 250 g | |
| Dimensions | 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) , housing type C3 | |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | |
| International approvals | ||
| UL approval | E223772 | |
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