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The power supply parameters for the field device must be taken from the relevant operating
instructions.
Figure 9-1
If the WirelessHART adapter supplies the field device as described in the section "Electrical
installation: Wiring diagrams: Two-wire field device with power supply of the device" (Page 34),
the following input boxes must be completed:
Parameter
Configuration mode
Start-up voltage
WirelessHART Adapter SITRANS AW200
Operating Instructions, 02/2020, A5E02777161-AA
Power supply parameters
Meaning
Specifies the power mode.
● Off: There is no communication with any
connected field device. The WirelessHART
adapter is used, for example, as a router
between other WirelessHART devices.
● Auto: If the connected field device is control‐
led via wireless, it is supplied with power fol‐
lowing each communication according to
the "Power-on time after external trigger":
This suppresses constant turning on and off.
● Configuration: If "configuration" is selected,
the connected field device is supplied with
power for the "configuration time" and then
returns to "auto" mode. The same happens
when the pushbutton is pressed for
10 ... 15 s on the WirelessHART adapter.
Voltage in volts that the connected field device
requires in the range 8 ... 23 V in steps of 0.1 V
Parameter assignment/addressing
9.9 Configuring power supply
Example
Automatic
14 V
Default
Automatic
16 V
59
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