User Manual

<Appendix 4. Software Download>
A-30
IM 21B04C01-01E
Appendix 4. Software Download
A4.1 Benets of Software
Download
This function enables you to download software to
eld devices via a FOUNDATION Fieldbus to update
their software. Typical uses are to add new features
such as function blocks and diagnostics to existing
devices, and to optimize existing eld devices for
your plant.
FA0401.ai
PID
AI AI
Update
Program
New
Diagnostics
I/O
Figure A4.1 Concept of Software Downloading
A4.2 Specications
Steady-state current: Max. 17 mA
Current Draw (Steady-state): 17 mA (max)
Current Draw (Software Download state):
41 mA (max)
Based on Fieldbus Foundation Specication
Download class: Class 1
NOTE
Class 1 devices can continue the specied
measurement and/or control actions even
while software is being downloaded to them.
Upon completion of a download, however, the
devices will be reset internally to make the new,
downloaded software take effect, and this will
halt eldbus communication and function block
executions for about one minute.
A4.3 Preparations for Software
Downloading
For software downloading, you need to prepare the
following:
• Software download tool
• Software for downloading le for each of the
target eld devices
For the software download tool, use only a program
developped for that purpose. For details, see the
software’s User’s Manual.
CAUTION
Do not hook up the software download tool to a
eldbus segment while the plant is in operation,
as it may temporarily disturb the communication.
Always connect the tool before starting
operation.
NOTE
The download tool can not execute downloading
during other system connects to the system/
network management VFD of the device.
A4.4 Software Download
Sequence
The owchart below outlines the software download
procedure. Although the time taken for the entire
procedure varies depending on the size of the eld
bus device’s software, it generally take about 20
minutes where there is a one-to-one connection
between a eldbus device and download tool, and
longer when multiple eld devices are connected to
the eldbus.
FA0402.ai
Start download tool
Select file(s)
Select device(s)
Carry out download
Activate device(s)
Select the software file(s) you
want to download.
Select the device(s) to which you
want to download software.
Transmit the software to the field
device(s).
Activate the device(s) to start with
new software.
Figure A4.2 Flow of Software Download Procedure