# Fieldbus settings

The Connection status can show the following status messages:

Status | Description
--- | ---
Fieldbus_Online | The fieldbus module is online. The communication between the controller and the fieldbus master is active.
Fieldbus_Offline | The fieldbus module is offline. The communication between the controller and the fieldbus master is not active.
Fieldbus_NoModuleInstalled | No fieldbus module is detected in the controller.
Fieldbus_NotConfigured | A fieldbus module is detected in the controller but the module is not configured.
Fieldbus_Initializing | A fieldbus status during reset or as a result when global parameters have been changed. This is a temporary status until a steady status is displayed.

The fieldbus status can also show errors:

Error Code | Description | Action
--- | --- | ---
Fieldbus_ModuleMismatch | Supported module. Parameter mismatch detected. | Contact Atlas Copco to read error log.
Fieldbus_UnsupportedModuleInstalled | Unsupported fieldbus module. | Contact Atlas Copco to read error log.
Fieldbus_ConfiguredModuleNot Installed | Configuration data created. No module detected. | Contact Atlas Copco to read error log.
Fieldbus_Unexpectedconfigurationerror | Mismatch between controller and ToolsTalk 2. | Contact Atlas Copco to read error log.

Changing some global parameters like frame size, fieldbus module address, will cause the fieldbus module to reset.

1. Select a controller in the Plant structure workspace .

2. Select Fieldbus in the Home screen then select the Overview sub-tab.

3. In Fieldbus settings select Fieldbus type from the drop-down menu.

4. Enter the size in bytes of the entire Frame size for both the receive and transmit direction. The value must be an even integer number.

5. Enter the fieldbus type specific parameters.

Relevant Information

- Pushing Configurations to a Controller

In this Section

- Fieldbus Parameters General
- Fieldbus parameters for ProfinetIO and ProfinetIO M40
- Fieldbus parameters for EtherNet/IP and EtherNet/IP M40
- Fieldbus parameters for DeviceNet
- Fieldbus parameters for Profibus
- Fieldbus parameters for CC Link
- Fieldbus parameters for CC Link IE