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5. Configuration
5.4. Configuring Fieldbus Components In a Control Strategy
Step
4
Key in desired description for the link
consisting of up to 59 characters or leave
it blank. Press <Tab>
TIP
The preferred address range for fieldbus devices is 20 to 40 decimal (14 to 28
hexadecimal). This provides the most optimized default network range where the first
unused node address (FUN) is 41decimal (29 hexadecimal) and the number of unused
addresses is (NUN) is 206. We recommend that the fieldbus device designated as the
backup Link Master be given 21decimal (15 hexadecimal) as its assigned address. All
address number entries and displays are based on the decimal system in Control
Builder, but the Fieldbus Foundation uses the hexadecimal system.
5
Accept the default or key in the device's
current address assignment.
6
Click the
Continue button to the right
of the Associated Asset
(ASSOCASSET) box to call up the Point
Selection dialog. Select an asset from
those configured in the Enterprise Model
Database to set the Scope of
Responsibility (SOR) for the
device/fieldbus point.
(No validation is done at configuration
time. If you enter an asset that does not
exist in the points database, the
associated asset for the fieldbus point
reverts to the server point. If the asset
does exist but is not an area enabled
asset, then the first area-enabled asset
up the tree is used for the SOR of that
fieldbus device. A subsequent upload of
that fieldbus device point to Control
Builder returns the area-enabled asset
and not the original non-assignable asset
entered.)
7
Click the System Management tab.
158
Experion PKS Series A Fieldbus Interface Module User's Guide
Action
Honeywell
Result
Moves cursor to the Device Network
Node Address (ADDR) field and
highlights it.
Calls up the System Management tab
form.
R400
July 2010
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