Output Wiring – Model 1700/2700 Intrinsically Safe Transmitters
Figure 5-2 Safe area mA output load resistance values
Rmax = (Vsupply – 12)/0.023
If communicating with HART, a minimum of 250 Ω and 17.5 V is required
| 1000 |
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| 900 |
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| 800 |
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(Ohms) | 700 |
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600 |
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R | 500 |
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resistor |
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400 |
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External | 300 |
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200 |
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| 100 |
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| 0 |
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| 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | 28 | 30 |
Supply voltage VDC (Volts)
Figure 5-3 Safe area HART/analog single-loop wiring
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Rload |
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Ω |
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resistance) |
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Note: See Figure
Output Wiring – Intrinsically Safe
Output Wiring – Configurable I/O Output Wiring – Fieldbus/PROFIBUS
Specifications
Installation Manual | 35 |
