SMART Transmitter Power Supply
KFD2-STC4-Ex2
* 24 V DC supply (Power Rail)
* Input 2-wire SMART transmitters
* Output 0/4 mA ... 20 mA
* Terminals with test points
* Up to SIL 2 acc. to IEC/EN 61508
| Brand Name: | P+F, P+F |
| Model Number: | KFD2-STC4-Ex2 |
| MOQ: | 1 piece |
| Price: | $85-90 / piece |
General specifications | ||||
Signal type | Analog input | Digital Input | ||
Functional safety related parameters | ||||
Safety Integrity Level (SIL) | SIL 2 | SIL 2 | ||
Supply | ||||
Connection | Power Rail or terminals 14+, 15- | |||
Rated voltage | Ur | 20 ... 35 V DC | ||
Ripple | within the supply tolerance | |||
Power dissipation | 1.8 W | |||
Power consumption | max. 2.7 W | |||
Input | ||||
Connection side | field side | |||
Connection | terminals 1+, 3-; 4+, 6- | |||
Input signal | 0/4 ... 20 mA | |||
Available voltage | ≥ 16 V at 20 mA, terminals 1+, 3 | |||
Output | ||||
Connection side | control side | |||
Connection | terminals 7-, 8+; 10-, 11+ | |||
Load | 0 ... 550 Ω at 20 mA | |||
Output signal | 0/4 ... 20 mA (overload > 25 mA) | |||
Ripple | max. 50 µA rms | |||
Transfer characteristics | ||||
Deviation | at 20 °C (68 °F), 0/4 ... 20 mA ≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage | |||
Influence of ambient temperature | 0.25 µA/K | |||
Frequency range | field side into the control side: bandwidth with 1 Vpp signal 0 ... 7.5 kHz (-3 dB) safe area to hazardous area: band width with 1 VSS signal 0.3 ... 7.5 kHz (-3 dB) | |||
Settling time | 200 µs | |||
Rise time/fall time | 20 µs | |||