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709/709H/710
Users Manual
18
HART Connections
See the subsequent sections for HART connections.
In Circuit, External Loop Power
In mA Measure mode, the Product is in circuit and loop power is
supplied externally. In Figure 20, the 250 HART resistor is
enabled. If the loop already has 250 Ω, do not enable the HART
resistor.
Figure 20. In Circuit, External Loop Power Connections
4 mA to 20 mA
24 V
Supply
4 mA to 20 mA
24 V
Supply
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