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IO Device – General

Object: PROFINET IO Device

The tab displays the basic communication settings.

According to the PROFINET standard, the PROFINET Device is responsible for the IP settings of the used adapter. It has to save remanent IP settings and be able to reset or modify at the request of the controller (IP=0.0.0.0). Initial state ("Reset to factory") is with deactivated IP suite (IP=0.0.0.0).

To allow this full reset of the IP configuration, some settings have to be done on most systems.

However, if the PROFINET IO Device is a programmable logic controller and connected with the programming environment (CODESYS) via one and the same Ethernet adapter, then modifying and resetting the IP address is interruptive (connection termination between IDE and PLC). Therefore, one of the modes is provided that deviates from the standard (“Use project parameters”).

During the development phase, to make the work easier it is recommended that the CODESYS communication is forwarded to a separate Ethernet adapter (see ).

For more information, see:

Table 470: IP and Name Assignment

“Use remanent data”

The IP settings and the station name of the file are used. The file is stored in the file system.

The data is set by the controller and saved to a file by the device.

“Use project parameters”

The IP settings and the station name of the project are used (settings of the Ethernet adapter).

This option must be selected for Windows and VxWorks, because changing the IP address is not possible for these systems.

“Station name”

Station name of the PROFINET Device

Table 471: IO Provider / Consumer Status

“Use incoming”

_cds_icon_option_activated_copy.png: The I/O data for the provider and consumer states is generated which is received by the controller.

“Use outgoing”

_cds_icon_option_activated_copy.png: The I/O data for the provider and consumer states is generated which is sent to the controller.

“Substitute values”

The substitute values for the output data become active when the corresponding provider status (Output Data PS) is set to ‎Bad‎. The output data is sent by the controller and copied to the %I area of the Profinet modules.

The following options are available for the substitute values:

  • “Inactive”: The outputs are set to "inactive" (example: 0).

  • “Last value”: The output data retains the last valid value (provider status = ‎GOOD‎). The value is retained even if the connection to the controller has been interrupted.

In online mode, the station name and the IP settings are displayed “Status” tab.