Pepperl+Fuchs KFD2-CR4-1
Transmitter Power Supply
- 1-channel signal conditioner
- 24 V DC supply (Power Rail)
- Input 2-wire and 3-wire transmitters and 2-wire current sources
- Output 0/4 mA ... 20 mA
- Accuracy 0.1 %
- Up to SIL 2 acc. to IEC 61508
Item Number:
KFD2-CR4-1
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- Overview
- Comments
| KFD2-CR4-1 art.228759 |
Available voltageterminals 1+, 3: 15.7 V at 20 mA
| Rise time | 20 micro/s |
| Output signal | 0/4 ... 20 mA |
| Electromagnetic compatibility | NE 21:2011 |
| Ripple | within the supply tolerance |
| Load | 0 ... 800 andOmega; |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2 |
| Power dissipation | 1.3 W |
| Input signal | 0/4 ... 20 mA |
| Rated voltage | 20 ... 35 V DC |
| Input resistance | terminals 2-, 3: max. 64 andOmega; terminals 1+, 3: max. 500 andOmega; (250 andOmega; load) |
| Connection side | control side |
| Connection | terminals 1+, 2-, 3- |
| Connection side | field side |
| Connection | Power Rail or terminals 14+, 15- |
| Degree of protection | IEC 60529:2001 |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Signal type | Analog input |
| Ripple | 50 mV ss at 20 mA |
| Ripple | max. 50 andmicro;A rms |
| Display elements | LED |
| Degree of protection | IP20 |
| Settling time | 200 micro/s |
| Deviation | at 20 В°C (68 В°F), 0/4 ... 20 mA 10 andmicro;A incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage |
| Ambient temperature | -20 ... 60 В°C (-4 ... 140 В°F) |
| Labeling | space for labeling at the front |
| Connection | screw terminals |
| Safety Integrity Level (SIL) | SIL 2 |
| Connection | terminals 7-, 8+, 9 |
| Open circuit voltage/short-circuit current | terminals 1+, 3-: 22.7 V / 38 mA |
| Mass | approx. 150 g |
| Power consumption | 1.6 W |
| De-energized delay | 20 micro/s |
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