Tab ‘EtherCAT modules - I/O mapping’¶

Object: EtherCAT module

Project variables are mapped to the outputs and inputs of the target on this tab.

Please refer to the description for the general I/O mapping dialog.

Reset mapping

CODESYS resets the mapping settings to the default values defined by the device description file.

Update variables

Definition for the device object about updating I/O variables. The default value is defined in the device description.

Use settings from the superordinate device: Update according to the setting of the superordinate device.
Activates 1 (use bus cycle task if not used in another task): CODESYS updates the I/O variables in the bus cycle task if they are not used in any other task.
Activate 2 (always in bus cycle task): CODESYS updates all variables in each cycle of the bus cycle task, regardless of whether they are used and whether they are mapped to an input or output channel.