Pepperl+Fuchs KFD2-WAC2-Ex1.D
Strain Gauge Converter
- 1-channel isolated barrier
- 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)
- Overview +
- Comments +
This model is an analog input isolator designed for HART communication protocols. The KFD2-WAC2-Ex1.D allows for simultaneous transmission of both analog and digital signals, ensuring that both control and diagnostic data are reliably communicated. Its design is optimized for use in hazardous areas, enhancing safety and operational efficiency.
Datasheet:
| Reaction time | 300 ... 850 ms |
| Output I, II | Relay output |
| Connection | Input I: terminals 1+, 2-; Input II: terminals 13+, 14-; Input III: terminals 15+, 14- |
| Output I, II against eachother | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Electromagnetic compatibility | NE 21:2006 |
| Labeling | space for labeling at the front |
| Input I/other circuits | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| 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 |
| Output I, II/other circuits | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Type | RS-485 |
| IECEx approval | IECEx TUN 06.0005 |
| Dimensions | 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) , housing type C3 |
| Degree of protection | IP20 |
| Mass | approx. 250 g |
| EU-Type Examination Certificate | T??V 04 ATEX 2531 |
| Ambient temperature | -20 ... 60 ?°C (-4 ... 140 ?°F) |
| Output III | terminals 7-, 8+, 9- non-intrinsically safe |
| Programming interface | programming socket |
| Output III/Programming socket | not available |
| Output III | Analog output |
| Connection side | field side |
| Input I | Signal, analog |
| Rated voltage | 20 ... 35 V DC |
| UL approval | E223772 |
| Lead resistance | max. 25 andOmega; per line |
| Ripple | within the supply tolerance |
| Connection | Power Rail or terminals 23+, 24- |
| Display elements | LEDs , display |
| Programmable Tare | 0 ... 500 % of span |
| Connection | screw terminals |
| Connection | terminals 1+, 2-, 3+, 4-, 5+, 6- |
| Output III/Input II, III | not available |
| Sensor supply | 1 ... 5 V |
| Signal type | Analog input |
| Input I | terminals 1+, 2- Ex ia IIC, Ex iaD |
| Connection | Power Rail or terminals 19+, 20 GND, 21- |
| Input II and III | terminals 13+, 14-; 15+, 14- non-intrinsically safe |
| Other circuits from each other | functional insulation, rated insulation voltage 50 Veff |
| Output I, II | terminals 10, 11, 12; 16, 17, 18 non-intrinsically safe |
| Interface | RS 485 programming jack |
| Input II, III | tare adjustment, calibration and zero |
| Connection | Output I: terminals 10, 11, 12; Output II: terminals 16, 17, 18; Output III: terminals 7-, 8+, 9- |
| Configuration | via operating buttons via PACTware |
| Control elements | Control panel |
| Connection side | control side |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Degree of protection | IEC 60529:2001 |
| Power consumption | max. 3 W |
| Supply | Power Rail or terminals 23+, 24- non-intrinsically safe |
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