Siemens SIMATIC LOGO! CMR2020 Operating Instructions Manual page 63

Events logged in the diagnostics buffer
The following events are logged during operation of the CMR:
● Operating messages such as startup, change to the configuration.
● Establishment/interruption of the connection to the BM.
● Establishment/interruption of the connection to the mobile wireless network.
● Establishment/interruption of the mobile data connection.
● Warnings when reading in the configuration from an SD card or from the PC.
● Time-of-day synchronization
Saving a copy of the diagnostics buffer
To save a copy of the diagnostics buffer on your PC:
1. Click the "Save on PC" button. You cannot assign a file name; the file name of the copy
of the diagnostics buffer is preassigned: diagbuf.txt.
2. Select a suitable storage location on your PC.
To save a copy of the diagnostics buffer on an inserted SD card:
● Click the "Save on SD card" button.
It is not necessary to specify a storage location on the SD card.
Automatic saving in the event of a fatal error
1. By selecting the "With fatal error(s), automatically save a copy of the diagnostics buffer
on SD card" check box, the diagnostics buffer is automatically saved on the SD card.
2. You can then run an error analysis.
LOGO! CMR2020 / LOGO! CMR2040
Operating Instructions, 09/2014, C79000-G8976-C356-01
Configuration
6.5 Diagnostics
63