Commissioning and Configuration
EP8309-1022
67
Version: 2.0.0
Note
Availability
Not every EtherCAT device must have a CoE list. Simple I/O modules without dedicated
processor usually have no variable parameters and therefore no CoE list.
If a device has a CoE list, it is shown in the TwinCAT System Manager as a separate tab with a listing of the
elements:
Fig. 63:
CoE-Online
tab
The CoE objects from x1000 to x1600, which are available in the example device "EL2502", can be seen in
the above figure; the subindices from x1018 are expanded.
Data management
Some parameters, particularly the setting parameters of the slave, are configurable and writeable. This can
be done in write or read mode
• via the System Manager (figure above) by clicking. This is useful for commissioning of the system/
slaves. Click on the row of the index to be parameterized and enter a value in the
SetValue
dialog.
• from the control system/PLC via ADS, e.g. through function blocks from the TcEtherCAT.lib library This
is recommended for modifications while the system is running or if no System Manager or operating
staff are available.
Note
Data management
If CoE parameters on the slave are changed online, this is saved fail-safe in the device
(EEPROM) in Beckhoff devices. This means that the changed CoE parameters are still re-
tained after a restart. The situation may be different with other manufacturers.
Содержание EP8309-1022
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