参数表节选：的技术参数 KFD2-STC1-Ex1
| 产品阐述 | ||
|---|---|---|
| Output 4 ... 20 mA | ||
| Supply | ||
|---|---|---|
| Connection | Power Rail or terminals 7+, 8- | |
| Rated voltage | 20 ... 35 V DC | |
| Ripple | within the supply tolerance | |
| Power dissipation | 0.8 W | |
| Power consumption | max. 1.2 W | |
| Input | ||
| Connection | terminals 1+, 3- | |
| Input signal | 4 ... 20 mA | |
| Available voltage | at 20 mA: approx. 16.5 V at 200 Ohm Output load dependent on output load: U = 19.65 - (16.5 x 10-3 x RB); with RB = output load in Ohm | |
| Output | ||
| Connection | terminals 8-, 9+, 10-, 11+ | |
| Output signal | 4 ... 20 mA , max. load 500 Ohm, with HART ≥ 230 Ohm | |
| Ripple | max. 75 µA ss | |
| Transfer characteristics | ||
| Deviation | ≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage | |
| Frequency range | field side into the control side: bandwidth with 1 mApp signal 0 ... 40 kHz (-1 dB); 0 ... 100 kHz (-6 dB) safe area to hazardous area: band width with 1 VSS signal 0 ... 40 kHz (-1 dB); 0 ... 100 kHz (-6 dB) | |
| Rise time | 40 µs | |
| De-energized delay | 40 µs | |
| Directive conformity | ||
| Electromagnetic compatibility | Standards | |
| Directive 89/336/EEC | EN 61326, EN 50081-2, NE 21 | |
| Ambient conditions | ||
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
| Mechanical specifications | ||
| Degree of protection | IP20 | |
| Mass | approx. 150 g | |
| Data for application in connection with hazardous areas | ||
| EC-Type Examination Certificate | BAS 00 ATEX 7127 , for additional certificates see www.pepperl-fuchs.com | |
| Group, category, type of protection |  II (1)GD [EEx ia] IIC (Tamb = -20 °C to +60 °C) [circuit(s) in zone 0/1/2] | |
| Directive conformity | Standards | |
| Directive 94/9/EC | EN 50014, EN 50020 | |
