<Appendix 6. Software Download>
303
IM 01E21A02-03EN
A6.10 Comments on System/Network
Management VFD Parameters Relating to
Software Download
IMPORTANT
Do not turn off the power to a field device immediately after changing parameter settings. To
improve the reliability of the device, processing to store data to EEPROM is duplexing. If the
power is turned off within 60 seconds after setup, the parameters may not be saved and revert to
the previous settings.
(1) DWNLD_PROPERTY
Sub
Index
Element
Size
[B]
Description
1
Download Class
1
Indicates the download class.
1: Class 1
2
Write Rsp Returned For
ACTIVATE
1
Indicates whether a write response is returned to the ACTIVATE
command.
1: Write Response Returned
3
Write Rsp Returned For
PREPARE
1
Indicates whether a write response is returned to the PREPARE
command.
1: Write Response Returned
4
Reserved
1
(Reserved)
5
ReadyForDwnld Delay
Secs
2
Indicates the maximum waiting time after receiving the PREPARE_
FOR_DWNLD command to proceed to transition from DWNLD_
NOT_READY to DWNLD_READY.
6
Activation Delay Secs
2
Indicates the maximum waiting time after receiving the ACTIVATE
command to proceed to transition from DWNLD_OK to
DWNLD_NOT_READY.
(2) DOMAIN_DESCRIPTOR
Sub
Index
Element
Size
[B]
Description
1
Command
1
Reads/writes software download commands.
1: PREPARE_FOR_DWNLD (instruction of download preparation)
2: ACTIVATE (activation instruction)
3: CANCEL_DWNLD (instruction of download cancellation)
2
State
1
Indicates the current download status.
1: DWNLD_NOT_READY (download not ready)
2: DWNLD_PREPARING (download under preparation)
3: DWNLD_READY (ready for download)
4: DWNLD_OK (download complete)
5: DOWNLOADING (download underway)
6: CHECKSUM_FAIL (not used in this product)
7: FMS_DOWNLOAD_FAIL (failure during download)
8: DWNLD_INCOMPLETE (download error detected at restart)
9: VCR_FAIL (not used in this product)
10: OTHER (download error other than 6 and 7 detected)
3
Error Code
2
Indicates the error during a download and activation.
0: success, configuration retained (download successfully
completed)
32768 _ 65535: Download error (indicating error codes)
4
Download Domain Index
4
Indicates the index number of the domain for software
downloading.
5
Download Domain
Header Index
4
Indicates the index number of the domain header to which the
download is performing.
6
Activated Domain
Header Index
4
Indicates the index numbers of the domain header currently
running.