参数表节选：的技术参数 KFD2-STC4-Ex1-Y1
| General specifications | ||
|---|---|---|
| Signal type | Analog input | |
| Functional safety related parameters | ||
| Safety Integrity Level (SIL) | SIL 2 | |
| Supply | ||
| Connection | Power Rail or terminals 14+, 15- | |
| Rated voltage | 20 ... 35 V DC | |
| Ripple | within the supply tolerance | |
| Power dissipation | 1.4 W | |
| Power consumption | 1.8 W | |
| Input | ||
| Connection side | field side | |
| Connection | terminals 1+, 2-, 3 or 5-, 6+ | |
| Input signal | 0/4 ... 20 mA | |
| Voltage drop | ≤ 2.4 V at 20 mA (terminals 5, 6) | |
| Input resistance | ≤ 64 Ω terminals 2-, 3 ; ≤ 500 Ω terminals 1+, 3 (250 Ω load) | |
| Available voltage | ≥ 16 V at 20 mA terminals 1+, 3 | |
| Output | ||
| Connection side | control side | |
| Connection | terminals 7+, 8- | |
| Output signal | 0/4 ... 20 mA (overload > 25 mA) | |
| Ripple | max. 50 µA rms | |
| External supply (loop) | 11 ... 30 V DC | |
| 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 0.5 Vpp signal 0 ... 7.5 kHz (-3 dB) control side into the field side: bandwidth with 0.5 Vpp signal 0.3 ... 7.5 kHz (-3 dB) | |
| Settling time | 200 µs | |
| Rise time/fall time | 20 µs | |
| Galvanic isolation | ||
| Output/power supply | functional insulation, rated insulation voltage 50 V AC | |
| Indicators/settings | ||
| Display elements | LED | |
| Labeling | space for labeling at the front | |
| Directive conformity | ||
| Electromagnetic compatibility | ||
| Directive 2014/30/EU | EN 61326-1:2013 (industrial locations) | |
| Conformity | ||
| Electromagnetic compatibility | NE 21:2011 | |
| Degree of protection | IEC 60529:2001 | |
| Protection against electrical shock | UL 61010-1:2012 | |
| Ambient conditions | ||
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
| Mechanical specifications | ||
| Degree of protection | IP20 | |
| Connection | screw terminals | |
| Mass | approx. 200 g | |
| Dimensions | 20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) , (W x H x D) housing type B2 | |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | |
| Data for application in connection with hazardous areas | ||
| EU-type examination certificate | BAS 99 ATEX 7060 X | |
| Marking |  II (1)G [Ex ia Ga] IIC , II (1)D [Ex ia Da] IIIC , I (M1) [Ex ia Ma] I | |
| Input | [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I | |
| Supply | ||
| Maximum safe voltage | 250 V (Attention! The rated voltage can be lower.) | |
| Equipment | terminals 1+, 3- | |
| Voltage Uo | 25.4 V | |
| Current Io | 86.8 mA | |
| Power Po | 551 mW | |
| Internal capacitance Ci | 12 nF | |
| Internal inductance Li | 0 mH | |
| Equipment | terminals 2-, 3 | |
| Current Io/Current Ii | 74 mA / 115 mA | |
| Current Ii | 115 mA | |
| Voltage Uo | 3.5 V | |
| Current Io | 74 mA | |
| Power Po | 64 mW | |
| Equipment | terminals 1+, 2 / 3- | |
| Voltage Ui | 30 V | |
| Current Ii | 115 mA | |
| Voltage Uo | 25.4 V | |
| Current Io | 115 mA | |
| Power Po | 584 mW | |
| Equipment | terminals 5-, 6+ | |
| Voltage Ui | 30 V | |
| Current Ii | 115 mA | |
| Voltage Uo | 8.7 V | |
| Current Io | 0 mA | |
| Certificate | TÜV 99 ATEX 1499 X | |