“I/O CHECK” Tab

Create

Tests the connection (systematic hardware function test)

Result

Switches the view of the “Status” and “Test Result” columns on/off

Connect

Opens an online connection to one or several selected devices.

The CODESYS application is connected with the target system. An ongoing online simulation is closed.

The status of the button depends on the devices selected: “Connect” if no device is connected, “Disconnect” if all selected devices are connected. If the selected devices have different connection states, all devices are disconnected on the first click and connected with a second click.

Connection requirements:

- error-free program compilation
- correctly configured communication device settings

Connection to the selected device (login) is performed for all applications.
A download is executed, if necessary.

Disconnect

Disconnects the development and target systems (controller or simulated device) and returns to offline mode

Manual override mode

Activates/deactivates the “Manual Override Mode”:
Enables the modules for changes (write).

If the “Manual Override mode” is not active and there is an online connection to the device, the monitor mode is automatically activated, i.e., actual values of the I/O module are displayed (read only).

Direct

Activates/deactivates the mode for direct writing to the I/O module

Collect (Number of prepared changes)

Writes prepared changes (marked with an asterisk) to the module

Buttons

Activates/deactivates the push-button mode for digital inputs/outputs

This tab group is displayed if the “Collect” mode is active (blue background).

Write Now

Write collected values to the module.

Changed values are indicated with an asterisk.

Reset

Reset collected values.

Changed values are indicated with an asterisk.