rxSDO

  2 minute read  

A Service Data Object (SDO) present device parameters and are only updated via the etherCAT mailbox request. RxSDO’s are received by the node device and are used for writable parameters.

In the rxSDO tab you can configure the rxSDO’s from you device. You can add SDO’s in two methods either via uploading ESI-file or manually via Add SDO button:

• You can add a ESI-file to you device via device dropdown, this dropdown is accessed either by button or right mouse click in the device configuration panel. In the device dropdown select -> ESI-file -> choose ESI-file that matches your device.
• New SDO’s can be added manually by pressing Add SDO. This will create a new SDO:

SDO Field	Description
Type	Here you define the SDO type, this can either be CoE (CANopen over EtherCAT) or SoE (Servo drive over EtherCAT).
Group	Here you can define the group of this SDO within the device in the parameter tree.
Name	This is where you can change the name of the SDO.
	With this checkbox you can choose to include/exclude this SDO from the EtherCAT message.
	Pressing the More Action button will show a SDO dropdown with:
– Add SDO	The Add SDO button will add a new SDO for this device.
– Add entry	The Add Entry button will ad a Entry for this device.
– Delete	With the delete button you will delete this SDO.
0000:00	Here you fill in the SDO entry index defined by the device manufacturer.
Group	Here you can define the group of this SDO entry within the device in the parameter tree.
Name	Here you fill in the SDO entry index defined by the device manufacturer.
DataType	The data type of a SDO entry can be defined here this can be: Not set, Bit, Bool, Int, UInt, Float, Double or String.
Value	The data length of a SDO entry can be defined here.
	With this checkbox you can choose to include/exclude this entry from the EtherCAT message.
	Pressing the More Action button will show a Entry dropdown with:
– Add Entry	The Add Entry button will add a new entry to the SDO.
– Add Link	The Add Link button will add a link for this entry.
– Delete	With the Delete button you will delete this entry.