Beckhoff EL6751 Documentation page 80

Parameterization and commissioning
Fig. 94: Selection dialog "Inserting a box"
After the box has been inserted, the following dialog appears for the configuration of the CAN interface:
Fig. 95: Can Queue Sizes setting
Tx queue and Rx queue define the number of messages that are exchanged between the task and the
CANopen master in a task cycle. If the message queues are to transmit 29-bit identifiers in addition, activate
the checkbox "29 Bit Identifier supported".
The process image of the CAN interface then looks like this:
80 Version: 3.5 EL6751