Online functionality
8.2 Going online and connecting to a CPU
Easy Book
90 Manual, 05/2009, A5E02486774-01
8.2 Going online and connecting to a CPU
An online connection between the programming device and a target system is required for
loading programs and project engineering data to the target system as well as for activities
such as the following:
● Testing user programs
● Displaying and changing the operating mode of the CPU
● Displaying and setting the date and time of day of the CPU
● Displaying the module information
● Comparing online and offline blocks
● Diagnosing hardware
You can then access the data on the target system in the online or diagnostics view using
the "Online tools" task card. The current online status of a device is indicated by an icon to
the right next to the device in the project navigation. The orange color indicates an online
connection. Select "Accessible devices" to find a CPU on the network.
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