7. COMMUNICATION THAT DO NOT REQUIRE
THE SEQUENCE PROGRAM
MELSEC-A
7-17
7.1.13 Initiating program, parameter, and comment, device buffer memory
download (InitiateDownloadSequence: Server)
InitiateDownloadSequence, DownloadSegument, and TerminateDownloadSequence are used to batch
download program, parameter, comment, extension comment, device, and special functions module
buffer memory data. The sequential processing flow is shown below.
InitiateDownloadSequence.reques
InitiateDownloadSequence.response
TerminateDownloadSequence.reques
FinalResult
TerminateDownloadSequence.response
DownloadSegument.reques
DownloadSegument.response
MoreFollows=True
DownloadSegument.reques
DownloadSegument.response
MoreFollows=False
Server
(Repeat)
Clien
..
.
The program, parameter, comment, extension comment, device, and special functions module buffer
memory must be defined in the OD as domains using the SW0IX-PROFPE.
The same domain cannot be downloaded from multiple connections at the same time. In addition, a
domain that is being uploaded cannot be downloaded. When the PC CPU is running only the device or
buffer memory download can be conducted.
[Parameters required by the client]
•
Access Specification
Specify the Index and Name of the domain to be registered in the OD.
Access Specification
Setting value
Index Domain
Index
Variable Name
Domain Name
[Server (AJ71PB96F/A1SJ71PB96F) answer parameters]
None