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Last Modified: February 7, 2020

Specifies the I/O Mode the interface uses when transmitting a CAN frame.

Data type: datatype_icon

Long Name: Interface:CAN:Transmit I/O Mode

Class: XNET Session

Permissions: Read/Write

By default, this property matches the XNET Cluster CAN:I/O Mode property. However, even if the interface is in CAN FD+BRS mode, you can force it to transmit frames in the standard CAN format. For this purpose, set this property to CAN.

The Transmit I/O mode may not exceed the mode set by the XNET Cluster CAN:I/O Mode property.


This property is not supported in CAN FD+BRS ISO mode. If you are using ISO CAN FD mode, you define the transmit I/O mode in the database with the I/O Mode property of the frame. When a database is not used (for example, in frame stream mode), define the transmit I/O mode with the frame type field of the frame data.) Note that ISO CAN FD mode is the default mode for CAN FD in NI-XNET.


This property affects only the transmission of frames. Even if you set the transmit I/O mode to CAN, the interface still can receive frames in FD modes (if the XNET Cluster CAN:I/O Mode property is configured in an FD mode).

Where This Property Is Available:

Desktop OS: Windows

FPGA: Not supported

Web Server: Not supported in VIs that run in a web application

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