Diagnostics and upkeep
5.7 Module replacement
CP 1243-1
100 Operating Instructions, 12/2016, C79000-G8976-C365-02
3. Press the Enter key.
The start page of the Web server opens.
4. Continue as described in the following section "Downloading firmware".
1. Log in on the start page of the Web server as an administrator.
– User name: admin
– Password: No password necessary
2. After logging in, select the entry "Module status" in the navigation panel of the Web
server.
3. Select the CP in the module list.
4. Select the "Firmware" tab lower down in the window.
5. Browse for the firmware file on your PC using the "Browse..." button and download the file
to the station using the "Run update" button.
Note
Closing the Web server
If you close the Web server during the firmware update, you cannot change the operating
status of th
e CPU to RUN. In this case you need to turn the CPU off and on again to change
the CPU to the operating status RUN.
Module replacement
Module replacement
Read the system manual "S7-1200 Programmable Controller"
Prior to installation, connecting up and commissioning, read the relevant sections in the
system manual "S7-1200 Programmable Controller" (refer to the documentation in the
Appendix).
When installing and connecting up, keep to the procedures described in the system manual
"S7-1200 Programmable Controller".
Make sure that the power supply is turned off when installing/uninstalling the devices.
The STEP -7 project data of the CP is stored on the local CPU. If there is a fault on the
device, this allows simple replacement of the CP without needing to download the project
data to the station again.
When the station starts up again, the new CP reads the project data from the CPU.
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