  <4.Conguration>
21
IM 01E21A02-03EN
4. Conîš¿guration
Thischapterdescribeshowtoadaptthefunctionandperformanceofthisproducttosuitspecic
applications. Because multiple devices are connected to Fieldbus, it is important to carefully
considerthedevicerequirementsandsettingswhenconguringthesystem.Specically,the
following steps must be taken.
(1) Network design
Determine the devices to be connected to Fieldbus and check the capacity of the power supply.
(2) Networkdenition
Determine the PD tag and node addresses for all devices.
(3) Denitionofcombiningfunctionblocks
Determine how function blocks are combined.
(4) Setting tags and addresses
Set the PD Tag and node addresses for each device.
(5) Communication setting
Set the link between communication parameters and function blocks.
(6) VFDparameterconguration
Set the parameter for function block VFD.
The following section describes each step of the procedures in this order. The use of a dedicated
congurationtoolsignicantlysimpliestheproceduresbelow.Thischapterexplainsprocedures
thatenabletheusertocongureevenhoststhathaverelativelysimplefunctions.Referto
Appendix 4 when the device is used as Link Master.
4.1 Network Design
z Power supply:
Fieldbus requires a dedicated power supply. It is recommended that current capacity be well
overthetotalvalueofthemaximumcurrentconsumedbyalldevices(includingthehost).
Conventional DC current of 4 - 20 mA cannot be used as is.
z Terminator:
Fieldbus requires two dedicated terminators. Refer to the supplier for details of terminators
that are attached to the host.
z Field device:
 Connectstheelddevicesnecessaryforinstrumentation.Thisproducthaspassedthe
interoperability test conducted by the FieldComm Group. In order to smoothly start Fieldbus,
it is recommended that the devices used satisfy the requirements of the above test.
z Host:
 Usedforaccesstoelddevicesandadvancedcontrol.Atleastonedevicewiththebus
control function is necessary.
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