datafeed-edge-connector

Modbus TCP Connection Configuration

To configure a connection to a Modbus device, navigate to Connectivity -> PLC -> Modbus in the navigation tree as depicted below:

modbus_navigation

The page provides an overview of the currently configured connections including its Name, its IP Address, its connection Status and its Enabled status.

Column Name	Information Details
Name	Connection name as defined at creation time
IP Address	IP address or host name of device
Status	Status of connection
	The connection status can be `Connected` if the connection to the device is established or `Disconnected` if there is no connection to the device
	The connection status is dynamically updated every 2 seconds.
Enabled	Configuration status of the connection
	Possible values are `Enabled` or `Disabled`.
	Note:
	Clicking the current configuration status icon triggers a state toggle: Enabled -> Disabled respectively Disabled -> Enabled

From the title bar of the connection overview table a new connection can be added and existing connections can either be edited or deleted.

To add a new connection click the Add Connection button.
To edit an existing connection, first select it from the overview table and click the Edit Connection button.
To delete an existing connection, first select it from the overview table and click the Delete Connection button.

Adding a new connection and editing an existing connection, both open an identical page. The only difference is, that for an existing connection the Connection Name property cannot be changed.

modbus_connection_settings_basic

The configuration parameters are described below:

Parameter Name	Default Value	Description
Connection Name	<empty>	Connection name as it will show up in the connection overview page
		The connection name has to be unique and can only be assigned when adding a new connection.
		Note:
		The following characters are not supported in the Connection Name field: # ^ < > / $
Enabled	Enabled	Instructs dataFEED edgeConnector Modbus to either Enable (checked) or Disable (unchecked) the currently configured connection.
Txt-File		An ASCII text file with the address-space definition to upload, see Modbus Item Syntax
Address	<empty>	Address of the target device. This is either an IP address or a hostname.
Select Address Spaces	AllConnection	Destination aggregation address space used to store the address space corresponding to this connection
	AddressSpace	It is possible to create additional aggregation address spaces by filling in the desired address space name in the input field and clicking the Add button. All available address spaces are visible in a list and can be selected as destination address space for the OPC UA Client connection by checking the corresponding checkbox.
		For more details about the OPC UA Server functionality and configuration please refer to the OPC UA Configuration page.