Yokogawa digitalYEWFLO (DY-FF) - Manual (Page 155)

<APPENDIX 11. SOFTWARE DOWNLOAD (Option /EE)>
A11-2
IM 01F06F00-01EN
NOTE
The download tool can not execute downloading
during other system connects to the system/
network management VFD of the device.
A11.4 Software Download
Sequence
The fl owchart below outlines the software download
procedure. Although the time taken for the entire
procedure varies depending on the size of the fi eld
bus device’s software, it generally take about 20
minutes where there is a one-to-one connection
between a fi eldbus device and download tool, and
longer when multiple fi eld devices are connected to
the fi eldbus.
FA1102.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 A11.2 Flow of Software Download Procedure
CAUTION
Carrying out a software download leaves the
PD tag, node address, and transducer block
calibration parameters that are retained in the
nonvolatile memory inside the target device,
but may reset other parameters to the defaults
(except a minor update that does not change
the number of parameters). Hence, where
necessary, save the parameters using an
engineering tool, parameter setting utility, or the
like before carrying out a software download,
and then reconfi gure the fi eld device(s) after the
download. For details, refer to APPENDIX 11.6
“Steps after Activating a Field Device.”
CAUTION
The current dissipation of the target fi eld
device increases transitorily immediately after
a download due to erasing of the FlashROM’s
contents. Use a fi eldbus power supply which has
suffi cient capacity to cover such increases in
feed current.
CAUTION
Upon completion of the activation, the target
fi eldbus device performs resetting internally,
which temporarily halts fi eldbus communication
and function block executions. Be especially
careful about a valve positioner; the output air
pressure will fall to the minimum level (i.e., zero).
CAUTION
Do not turn off the power to a fi eld device or
disconnect the download tool during a download
or activation. The device may fail as a result.
NOTE
Be careful about the noise on the fi eldbus link. If
the fi eldbus is noisy, the downloading may take a
very long time or fail.
A11.5 Download Files
Download fi les have the following fi lenames (with
the fi lename extension of “.ffd”). Take care to
choose the correct download fi le for the target fi eld
device:
“594543” + device family + “_” + device type +
“_” + domain name + “_” + software name + “_” +
software revision + “.ffd”
For example, the name of the download fi le for the
DYF. may have the following name:
5945430009_0009_DYF.-SD_ORIGINAL_R202.
ffd