View: PLCs – Network Scan

Function: The view shows all PLCs which have been found for the selected gateway.

Call: CODESYS Automation Server → PLCs

The names of the PLCs below a gateway have to be unique.

List box for the gateway	Displays all of the gateways added to the Automation Server Search: Input field for a search string in order to find a specific gateway Select all: The network scan is performed on all displayed gateways. Multiselection is possible.
Search	Input field for a search string in order to find a specific PLC
	Searches the PLCs displayed at the selected gateway for the PLCs whose name contains the string specified in the search field
	The display of found PLCs is refreshed for the selected gateway.
	Opens the Add PLC by Hostname/IP dialog Requirement: Only one gateway is selected.
	Displays the advanced information about the respective PLC
Add to Server	Opens the Add PLC to Automation Server dialog If there is already a PLC with the same name below the gateway, then the PLC can be added only via TCP/IP or the device has to be renamed. In this case, the corresponding message is displayed.
PLC Conflict	Indicates that there is already a PLC added on the Automation Server which is below the same gateway and has the same name. However, because it is not the same PLC, there is a conflict with the serial number, target ID, or device name. When you click this button, the PLC Details view opens.

Table 15. Dialog: Add PLC by Hostname/IP

Hostname/IP	Input field for the host name or IP of the PLC in the network
Port	Port of the PLC
Name	Name of the PLC in the network
User Management	: A user management is enabled for the PLC.
Add to Server	The PLC is added to the Automation Server and displayed in PLCs → List View. When the user management is enabled for the PLC, the User name and Password input fields are opened first to enter the credentials.
User name Password	Credentials for the user management of the PLC In order for the Automation Server to connect to a PLC, the credentials of a PLC user with administrator permissions have to be entered here. The credentials are automatically saved in the configuration.

Table 16. Dialog: Add PLC to Automation Server

Find	Input field for a search string in order to find a specific PLC
Name	Name of the PLC in the network
Status
User name Password	Requirement: A user management is enabled for the PLC. User name and password for the PLC In order for the Automation Server to connect to a PLC, the credentials of a PLC user with administrator permissions have to be entered here. The credentials are automatically saved in the configuration. If no user management is enabled for the PLC, then a dialog prompt opens to notify you that a user management must be set up on the PLC. In this case, the User name, Password, and Repeat password input fields are displayed and the user data for the user management on the PLC can be specified. Then the user management is automatically set up on the PLC.
	The specified credentials are copied to all lines below.
	: The Synchronize applications option is selected. The boot applications on the PLC can be synchronized with the applications of the CODESYS Automation Server. When this option is enabled, a dialog to confirm the synchronization of the applications opens first.
	: The Synchronize parameters option is selected. Variable values can be written to this PLC.
Confirm	The PLC is added to the Automation Server and displayed in PLCs → List View.