Configuration manual FP S-ENGuard
38
Scanning the 1-wire bus
To determine which sensors have been detected at the bus the
TiXML command
ScanDevices
can be used.
[<ScanDevices _="1Wire" protocol="1Wire"/>].
The command returns all detected sensors in a list view.
<
ScanDevices
>
<
Device Family
="
10
"
Serial
="
000802bdfa08
"
Value
="
11240
"
ExtPower
="
1
" />
<
Device Family
="
28
"
Serial
="
00000556b8d5
"
Value
="
15629
"
ExtPower
="
1
" />
</
ScanDevices
>
The
ScanDevices
command displays the measured tempera-
ture value of the Sensor
Value
and the
ExtPower
operating
mode (0=parasitic, 1=fed).
The values returned by
ScanDevices
can then be transferred
to the External.
[<SetConfig _="PROCCFG" ver="v">
<External>
<Bus Name="Bus0" _="1Wire" protocol="1Wire" type="master">
<Device Name="Device_0" _="0" family="
10
" serial="
000802bdfa08
">
<Temperature_0 Name="Temp_0" _="DW" simpleType="Int32"/>
</Device>
<Device Name="Device_1" _="1" family="
28
" serial="
00000556b8d5
">
<Temperature_1 Name="Temp_1" _="DW" simpleType="Int32"/>
</Device>
</Bus>
</External>
</SetConfig>]
Example:
Process branch with a configured 1-wire sensor
<Device_0>
<DeviceState _="1" />
<ChangeToggle _="0" />
<Temp_0 _="23456" />
<
ExternalPower
_="1" />
</Device_0>
The
ExternalPower
parameter (0=parasitic, 1=fed) is dis-
played.
Summary of Contents for 50.0070.0001.00
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Page 92: ...Configuration manual FP S ENGuard 92 ...
Page 96: ...Notes 96 ...
Page 97: ...Notes 97 ...
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