Siemens SIMATIC LOGO! CMR2020 Operating Instructions Manual page 45

Requirements
1. Installation, connecting up, commissioning (Page 25) completed
2. Antenna for mobile wireless reception connected.
3. Only if the time-of-day synchronization method using the GPS signal was configured:
Antenna for GPS reception connected.
Procedure
To set time-of-day synchronization, follow the steps below:
1. Establish a configuration connection between the CMR and a connected PC. To do this,
use an Ethernet patch cable.
See Establishing a connection to the CMR (Page 49)
2. Select a suitable time of day synchronization method (Page 58).
LOGO! CMR2020 / LOGO! CMR2040
Operating Instructions, 09/2014, C79000-G8976-C356-01
Application examples
5.4 Time-of-day synchronization
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