Description
KFD2-STC4-Ex1.2O is a Pepperl+Fuchs SMART transmitter power supply for analog signals with 0/4–20 mA input and output.
Input Details
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Connection Side: Field side
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Terminals: 1+, 2−, 3 or 5−, 6+
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Signal Range: 0/4 to 20 mA
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Open Circuit Voltage / Short-Circuit Current (1+, 3−): 22.7 V / 38 mA
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Voltage Drop (5, 6): ≤ 2.4 V at 20 mA
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Input Resistance:
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Terminals 2−, 3: max. 76 Ω
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Terminals 1+, 3: max. 500 Ω (with 250 Ω load)
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Available Voltage (1+, 3): ≥ 16 V at 20 mA
Output Details
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Connection Side: Control side
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Terminals: 7−, 8+, 9; 10−, 11+, 12
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Load Range: 0 to 550 Ω at 20 mA
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Output Signal: 0/4 to 20 mA (overload > 25 mA)
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Maximum Ripple: 50 µA rms
Performance
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Accuracy at 20 °C: ≤ 10 µA (includes calibration, linearity, hysteresis, and supply variations)
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Temperature Influence: 0.25 µA/K
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Frequency Response:
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Field to Control: 0 to 7.5 kHz (−3 dB at 0.5 Vpp)
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Control to Field: 0.3 to 7.5 kHz (−3 dB at 0.5 Vpp)
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Settling Time: 200 µs
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Rise and Fall Time: 20 µs
Isolation
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Output to Power Supply: Functional insulation, rated 50 V AC
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Output to Output: Functional insulation, rated 50 V AC
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| Condition | 100% New with Original Package |
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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| A: All our new and original products come with a standard one-year warranty. |
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