Endress+Hauser SWA70, Руководство по эксплуатации

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5 Electrical installation WirelessHART Adapter SWA70
40 Hauser
5.4.3 Two-wire field device with power supplied by 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. 5-16: WirelessHART Adapter with solar module connection –
connection of a two-wire field device with power supplied by the adapter
5.4.4 Four-wire field device
The following functions are possible with this connection version:
• 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. 5-17: WirelessHART Adapter with solar module connection –
connection of a four-wire field device
1 WirelessHART Adapter terminals 1 to 6 2 Field device
1 WirelessHART Adapter terminals 1 to 6 2 Four-wire field device with galvanic isolation
1 2 3 4 5 6
+
–
1
2
1 2 3 4 5 6
+
–
1
2