The dialog Download project to PLC is displayed whenever a download needs to be done or when the PLC has to go online with a different or changed program code.
The following information is displayed:
Metadata information (if this has been activated in ).
Information about the connected PLC project
Information about differing Control FPWIN Pro7 version numbers
Information about the last change dates of the projects
Differences, i.e. a list of relevant items where the program code to be downloaded differs from the program code on the PLC.
The user has the following options to proceed:
Download program code and PLC configuration to PLC
This means:
All data is downloaded in PROG mode.
The user gets additional information, if necessary.
Download differences to PLC in RUN mode
This means:
Only the changes to the program code are downloaded in RUN mode.
The user gets error information about critical differences which can lead to unpredictable program behavior, e.g. because system or SFC addresses have been changed.
The user gets warning information, e.g. because variables with user addresses have been changed which will not be initialized.
Cancel
With this option, users can go online, but consistent monitoring cannot be guaranteed.
The following additional options are available to check the program code before downloading the project:
Show modified variables...
Opens a new dialog with a list of all updated variables.
New variables have the status New and are listed with their name, type, FP address, and the initial value.
Deleted variables have the status Deleted and are listed with their name, type, and FP address.
If a variable still has the same name, but a different class, type, and/or different elements (e.g. for arrays, DUTs) as the old variable, the old variable will be deleted and a new variable with the same name will be added. A corresponding remark shows possible restrictions.
Compare to project from PLC
A project comparison of the current project will be started. The current project will be compared to the project stored in the comment memory of the PLC.