WirelessHART Adapter SWA70
5 Electrical installation
Hauser
47
5.6.3
Two-wire field device with power supplied by the adapter
The following functions are possible with this connection version:
• Power supply to the field device
• Current measurement in the 4 to 20 mA range
• Digital HART communication if this is supported by the field device.
Connect the WirelessHART Adapter as illustrated below:
Fig. 5-24: WirelessHART Adapter with battery unit –
connection of a two-wire field device with power supplied by the adapter
Note!
• To extend the battery life, we recommend you operate the HART field device in the multidrop
mode. For this purpose, set the address of the field device to 1.
1
WirelessHART Adapter terminals 1 to 6
2
Field device
1
2
3
4
5
6
+
–
1
2