Additel 686 - Page 32

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1) The connection method of internal power supply and internal resistance is shown in Figure 7;
Figure 7 HART-Internal power and internal resistance
2) The connection method of external power supply and internal resistance is shown in Figure 8;
Figure 8 HART-External power and internal resistance
3) The connection method of external power supply and external resistance is shown in Figure 9;
Figure 9 HART-External power and external resistance