Downloading Technology Objects To Device - Siemens SIMATIC S7-1200 Function Manual

Configuring a software controller

3.6 Downloading technology objects to device

3.6 Downloading technology objects to device
A new or modified configuration of the technology object must be downloaded to the CPU for
the online mode. The following characteristics apply when downloading retentive data:
● Software (changes only)
– S7-1200, S7-1500:
– S7-300/400:
●
– S7-1200, S7-1500:
– S7-300/400:
Downloading retentive data to an S7-1200 or S7-1500 CPU
Note
The download and reset of the PLC program during ongoing system operation can result in
serious damages or injuries in the case of malfunctions or program errors.
Make sure that dangerous states cannot occur before you download and reset the PLC
program.
Proceed as follows to download the retentive data:
1. Select the entry of the CPU in the project tree.
2. Select the command "Download and reset PLC program" from the "Online" menu.
– If you have not established an online connection yet, the "Extended download" dialog
– If the online connection has been defined, the project data is compiled, if necessary,
3. Check the messages.
As soon as download is possible, the "Download" button becomes active.
4. Click on "Download".
The complete PLC program is downloaded and the "Load results" dialog opens. This
dialog displays the status and the actions after the download.
5. If the modules are to restart immediately after the download, select the check box "Start
all".
6. Close the dialog "Download results" with "Finish".
44
Retentive data is retained.
Retentive data is updated immediately. CPU does not change to Stop.
Download PLC program to device and reset
Retentive data is updated at the next change from Stop to RUN. The PLC program
can only be downloaded completely.
Retentive data is updated at the next change from Stop to RUN.
opens. In this case, set all required parameters for the connection and click
"Download".
and the dialog "Load preview" opens. This dialog displays messages and
recommends actions necessary for download.
Function Manual, 03/2017, A5E35300227-AC
PID control