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Figure 6-3
Connection of a four-wire field device
6.2.4
Two-wire field device with external power supply
This section includes information on the connection of two-wire field devices with external
power supply that are not equipped with a communication resistor for HART communication.
If there is a communication resistor, then the following connection guidelines will apply:
WirelessHART communication parallel to a wired HART installation (Page 37).
Standard connection variant
With this connection variant of the WirelessHART adapter, the following functions are possible:
● Current measurement in the range from 4 to 20 mA
● Digital HART communication
Connect up the WirelessHART adapter as illustrated:
Connecting
6.2 Wiring diagrams
WirelessHART Adapter SITRANS AW200
Operating Instructions, 02/2020, A5E02777161-AA
35
