“EtherCAT I/O Image” Tab

The variables of the devices or I/O modules selected on the right are displayed based on context on the left. The variables can be mapped to IEC variables in the “Variable” column.

EtherCAT Fieldbus Configurator – EtherCAT I/O Image
EtherCAT Fieldbus Configurator – EtherCAT I/O Image
EtherCAT Fieldbus Configurator – EtherCAT I/O Image

Parameters

Description

Left Side (Variables on the Master)

Find

Search function for the “Channel”, “Variable” and “Description” columns of the table

Filter

Filters the table to the following entries:

  • Show all
  • Show outputs or inputs only
  • Show mapped variables only
  • Show mappings to existing or new variables only
  • Show non-mapped variables only

Add FB for I/O channel

Opens the “Select function block” dialog (device-specific)

Go to instance

Jumps to the selected function block

Variable

Variable name

Mapping

 

Displays which variable is new and which variable already exists:

The variable is not yet available, is newly created and can then be used in the entire project.

An existing variable is used for mapping.

Channel

Indicates which channel is being used

Address

Physical address of the variable in the process image

Type

Displays the data type of the data point

Unit

Displays the unit of the data point

Description

Describes the channel

[Reset Mapping]

Delete mappings to existing variables

Always update variables

Defines whether the I/O variables are updated in the bus cycle task. The default value is defined in the device description.

Use settings of high-level device
Updates the settings based on the settings of the high-level device

Enabled 1 (use bus cycle task if not used in a task)
Updates the I/O variables in the bus cycle task if they are used in no other task

Enabled 2 (always in the bus cycle task)
Updates all variables in each cycle of the bus cycle task, regardless of whether they are used or whether they are mapped to an input or output channel

Right side (Selected Slave Devices or I/O Modules)

Position

Position on the head station

Designation

Name of the slave device and the I/O modules added to the slave

Item number

Item number of the slave device and the I/O modules added to the slave