Siemens SIMATIC S7-1500T Function Manual

Configuring a software controller
3.6 Downloading technology objects to device
PID control
44 Function Manual, 03/2017, A5E35300227-AC
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:
Retentive data is retained.
– S7-300/400:
Retentive data is updated immediately. CPU does not change to Stop.
●
Download PLC program to device and reset
– S7-1200, S7-1500:
Retentive data is updated at the next change from Stop to RUN. The PLC program
can only be downloaded completely.
– S7-300/400:
Retentive data is updated at the next change from Stop to RUN.
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 malfunction
s 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
opens. In this case, set all required parameters for the connection and click
"Download".
– If the online connection has been defined, the project data is compiled, if necessary,
and the dialog "Load preview" opens. This dialog displays messages and
recommends actions necessary for download.
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".

Siemens SIMATIC S7-1500T Specifications

General

Brand	Siemens
Model	SIMATIC S7-1500T
Category	Controller
Language	English