Installation
December 2009
2-29
defined by the piping and instrumentation diagram
(P&ID).
When commissioning more than one device on a
fieldbus segment, identifying which device is at a
particular location can be tedious without tags. The
removable tag provided with the digital valve controller
can be used to link the device ID and the physical
installation location. The installer should note the
physical location in both places on the removable
commissioning tag and tear off the bottom portion.
This should be done for each device on the segment.
The bottom portion of the tags can be used for
commissioning the segment in the control system.
Prior to commissioning, the device ID is displayed by
the host system if no device tag is configured in the
digital valve controller electronics. Typically the
placeholder displays the device tag. The information
on the paper tag enables the engineer to match the
device ID to the correct placeholder.
As an ordering option, the factory can enter a device
tag into the digital valve controller electronics during
the manufacturing process. If this option is specified,
the device tag is displayed at the host system prior to
commissioning rather than the device ID. This makes
the job of commissioning the device easier.
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