PDO Content

This section lists the objects within the currently selected PDOClosed PDO is a type of protocol frame used in some fieldbuses. A PDO contains one or more object dictionary entries, which define the application data transferred between devices..

  • Objects may be created (Add Object), modified (Edit Object), or removed from the project (Delete Object).
  • Select a PDO in the Editable PDOs section (left side of dialog box) to view the objects in a PDO.
  • The list of objects appear in the PDO Content section (right side of dialog box).

Name

Description

Index

Identification value for the PDO.

The range is defined by the EtherCATClosed ***EtherCAT is an open, high-performance Ethernet-based fieldbus system. The development goal of EtherCAT was to apply Ethernet to automation applications which require short data update times (also called cycle times) with low communication jitter (for synchronization purposes) and low hardware costs specification.

  • RxPDOs: 0x1600 to 0x17FF
  • TxPDOs: 0x1A00 to 0x1BFF

Name

Text label to identify the PDO.

The name is provided either by the device vendor or user.

It can be changed by the user.

Size [bytes]

Total length for the PDO object(s) data.

User Modified

Yes: Indicates the user has changed the PDO or its content.

No: Indicates the PDO is the default provided by the device vendor.


  • Constraints for the Kollmorgen AKD device family:
    The PDO content Size field is highlighted in red if the Editable PDO content size is greater than 8 bytes.