Manual
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9-3
IM 01R01A11-01EN
9.2 DeviceAddressSetting
WARNING
This operation must be carried out by the trained personnel having knowledge of multidrop loop.
For the details of the parameter setting procedure, refer to IM 01E20C01-01E or IM 01E20C02-
01E. After using Verication Tool, set the AXF to the original multidrop loop.
9.2.1 MultidropModeCanceling
F090201-A.ai
USB FieldMate Modem
Device A
Device Address: 1
Device B
Device Address: 2
Device C
Device Address: 3
Device X
Device Address: 15
Load: 250 Ω
+
-
+
-
+
-
+
-
USB FieldMate Modem
Device A
Device Address: 1
Load: 250 Ω
Load:
250 Ω
Multidrop Loop side
+
-
Set to “0”.
F090201-B.ai
(A)Multidroploop (B)AftercancelingMultidroploop
Figure9.2.1Conguration
1) Disconnect the target device (AXF) from the multidrop loop physically.
2) Connect the AXF to FieldMate one to one. A load of 250Ω is required. See Figure9.2.1(B).
3) Record the following original AXF parameter, and then set the parameter as shown.
Table9.2.1ParameterofCancellingMultidropmode
HARTParameter(DTM) SettingValue
Poll Addr Conguration → HART → Poll addr 0
4) Start Verication Tool.
9.2.2 MultidropModeSetting
After using Verication Tool, set the AXF back to its original status.
1) After Verication Tool termination, set the AXF parameter back to its original value manually.
Table9.2.2ParameterSettingofMultidropmode
HARTParameter(DTM) SettingValue
Poll Addr Conguration → HART → Poll addr Original Value
2) Connect the AXF back to the original conguration.