Basics of EtherCAT
EP8309-1022
24
Version: 2.0.0
• If the value is to be stored permanently, enter it in the Startup list. The order of the Startup entries is
usually irrelevant.
Fig. 11: Startup list in the TwinCAT System Manager
The Startup list may already contain values that were configured by the System Manager based on the ESI
specifications. Additional application-specific entries can be created.
Online/offline directory
While working with the TwinCAT System Manager, a distinction has to be made whether the EtherCAT
device is "available", i.e. switched on and linked via EtherCAT and therefore
online
, or whether a
configuration is created
offline
without connected slaves.
In both cases a CoE directory is visible according to the figure "CoE-Online tab", but the connectivity is
displayed as offline/online.
If the slave is offline
• the offline list from the ESI file is displayed. In this case modifications are not meaningful or possible.
• the configured status is shown under Identity
• no firmware or hardware version is displayed, since these are features of the physical device.
• Offline is shown in red
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