Commissioning
EL72x1-901x 115Version: 1.9
Activation of PDO assignment
ü If you have changed the PDO assignment, in order to activate the new PDO assignment,
a) the EtherCAT slave has to run through the PS status transition cycle (from pre-operational to
safe-operational) once (see Online tab [}112]),
b) and the System Manager has to reload the EtherCAT slaves
( button for TwinCAT2 or button for TwinCAT3)
PDO list
List of all PDOs supported by this EtherCAT device. The content of the selected PDOs is displayed in the
PDO Content list. The PDO configuration can be modified by double-clicking on an entry.
Column Description
Index PDO index.
Size Size of the PDO in bytes.
Name Name of the PDO.
If this PDO is assigned to a Sync Manager, it appears as a variable of the slave with this
parameter as the name.
Flags F Fixed content: The content of this PDO is fixed and cannot be changed by the
System Manager.
M Mandatory PDO. This PDO is mandatory and must therefore be assigned to a
Sync Manager! Consequently, this PDO cannot be deleted from the PDO
Assignment list
SM Sync Manager to which this PDO is assigned. If this entry is empty, this PDO does not take
part in the process data traffic.
SU Sync unit to which this PDO is assigned.
PDO Content
Indicates the content of the PDO. If flag F (fixed content) of the PDO is not set the content can be modified.
Download
If the device is intelligent and has a mailbox, the configuration of the PDO and the PDO assignments can be
downloaded to the device. This is an optional feature that is not supported by all EtherCAT slaves.
PDO Assignment
If this check box is selected, the PDO assignment that is configured in the PDO Assignment list is
downloaded to the device on startup. The required commands to be sent to the device can be viewed in the
Startup [}109] tab.
PDO Configuration
If this check box is selected, the configuration of the respective PDOs (as shown in the PDO list and the
PDO Content display) is downloaded to the EtherCAT slave.
5.3 Start-up and parameter configuration
5.3.1 Integration into the NC configuration
(Master: TwinCAT 2.11 R3)
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