Saia-Burgess Controls AG
Manual PCD7.D412DTPF & PCD7.D4xxxT5F │ Document 27-620 – Release ENG07 │ 2019-06-20
3-14
Logic Controller
Downloading the program and backup
3
3.4
Downloading the program and backup
The user program is downloaded to the pWeb panel in the same way as perform
-
ing device configuration with the PG5 software. This process is described below.
3.4.1
Downloading the user program with PG5
1 Create and compile the user program
The file your_project.pcd contains the follow
-
ing information:
User program (FUPLA, IL, etc.)
Configuration files (in some cases)
Data for first initialisation
2 Program download
Clicking on the Download button shows the
following window.
The user program is downloaded as a file in
a particular partition of the internal file sys
-
tem. The user is not able to see this partition.
4 Options after download
Execute program
(RUN)
Sets the PLC to RUN,
once the download is
successfully completed
Remain STOPPED After the download,
PLC remains
STOPPED
■ It is not possible to download only those blocks which have been modified.
■ The user program is downloaded into the on-board memory in a file and, after
a restart of the system, the process is complete.
■ If the download is not successfully completed, the FW deletes all files inside
the system folder.
Once the download has been successfully completed, start the controller:
After the system restart, the user program and ROM DB/text are transferred into
the execution memory. This is a write-protected memory and thus does not need
to be backed up; all data is stored in the pWeb panel file system.
The data for the user program is transferred to the execution memory after the
pWeb panel device starts up.
