Pepperl+Fuchs
SMART Transmitter Power Supply KFD2-STC4-Ex1.2O
1-channel isolated barrier
24 V DC supply (Power Rail)
Input 2-wire and 3-wire SMART transmitters and 2-wire SMART current sources
Signal splitter (1 input and 2 outputs)
Dual output 0/4 mA ... 20 mA
Terminal blocks with test sockets
Up to SIL 3 acc. to IEC/EN 61508
技术参数节选 KFD2-STC4-Ex1.2O
| General specifications | ||
|---|---|---|
| Signal type | Analog input | |
| Functional safety related parameters | ||
| Safety Integrity Level (SIL) | SIL 3 | |
| Supply | ||
| Connection | Power Rail or terminals 14+, 15- | |
| Rated voltage | 20 ... 35 V DC | |
| Ripple | within the supply tolerance | |
| Power dissipation | 1.8 W | |
| Power consumption | 2.4 W | |
| Input | ||
| Connection side | field side | |
| Connection | terminals 1+, 2-, 3 or 5-, 6+ | |
| Input signal | 0/4 ... 20 mA | |
| Open circuit voltage/short-circuit current | terminals 1+, 3-: 22.7 V / 38 mA | |
| Voltage drop | terminals 5, 6 : ≤ 2.4 V at 20 mA | |
| Input resistance | terminals 2-, 3: max. 76 Ω terminals 1+, 3: max. 500 Ω (250 Ω load) | |
| Available voltage | terminals 1+, 3: ≥ 16 V at 20 mA | |
| Output | ||
| Connection side | control side | |
| Connection | terminals 7-, 8+,9; 10-, 11+,12 | |
| 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 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 | |
| Output/Output | 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 | 25.4 V | |
| Current | 86.8 mA | |
| Power | 551 mW | |
| Internal capacitance | 12 nF | |
| Internal inductance | 0 mH | |
| Equipment | terminals 2-, 3 | |
| Current | 74 mA / 115 mA | |
| Current | 115 mA | |
| Voltage | 3.5 V | |
| Current | 74 mA | |
| Power | 64 mW | |
| Equipment | terminals 1+, 2 / 3- | |
| Voltage | 30 V | |
| Current | 115 mA | |
| Voltage | 25.4 V | |
| Current | 115 mA | |
| Power | 584 mW | |
| Equipment | terminals 5-, 6+ | |
| Voltage | 30 V | |
| Current | 115 mA | |
| Voltage | 8.7 V | |
| Current | 0 mA | |
| Output | ||
| Maximum safe voltage | 250 V (Attention! The rated voltage can be lower.) | |
| Certificate | TÜV 99 ATEX 1499 X | |
| Marking | II 3G Ex nA II T4 [device in zone 2] | |
| Galvanic isolation | ||
| Input/Output | safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V | |
| Input/power supply | safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V | |
| Directive conformity | ||
| Directive 2014/34/EU | EN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010 | |
| International approvals | ||
| UL approval | ||
| Control drawing | 116-0428 (cULus) | |
| IECEx approval | ||
| IECEx certificate | IECEx BAS 04.0016X IECEx CML 15.0055X | |
| IECEx marking | [Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I Ex nA IIC T4 Gc | |
| General information | ||
| Note | Both output loads must be connected to ensure complete and correct operation within the technical specification. Open circuit of one of the two outputs will not affect the connected output, but would result in a loss of transmitter supply voltage of up to 0.7 Volt. | |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. | |
Classifications
| System | Classcode |
|---|---|
| ECLASS 13.0 | 27210119 |
| ECLASS 12.0 | 27210119 |
| ECLASS 11.0 | 27210119 |
| ECLASS 10.0.1 | 27210119 |
| ECLASS 9.0 | 27210119 |
| ECLASS 8.0 | 27210119 |
| ECLASS 5.1 | 27210119 |
| ETIM 9.0 | EC001485 |
| ETIM 8.0 | EC001485 |
| ETIM 7.0 | EC001485 |
| ETIM 6.0 | EC001485 |
| ETIM 5.0 | EC001485 |
| UNSPSC 12.1 | 32101514 |
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