Siemens LOGO! CMR2040 Operating Instructions Manual page 28

Application and functions
1.4 Application examples
Time of day when using certificates
If you use certificates for example for the e-mail or DynDNS services you need the precise
time of day.
Note
Precise time of day for certificates
To check certificates, the precise time of day is required in the CMR. When using certificates
enable time-of-day synchronization of the CMR.
Requirements
● The CMR is mounted and connected.
● The antenna for receipt of mobile wireless is connected.
● The CMR is configured.
● Only if the time-of-day synchronization method using the GPS signal was configured: The
antenna for receipt of GPS is connected.
Procedure
Follow the steps below to configure the time-of-day synchronization:
1. Establish a configuration connection between the CMR and a connected PC. To do this,
use an Ethernet patch cable.
For details, see section Establishing a connection to the CMR (Page 63).
2. Select the required method.
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LOGO! CMR2020,
Operating Instructions, 10/2016, C79000-G8976-C356-03
LOGO! CMR2040