The Codesys PLC Handler TagProvider enables dynamic data handling for flexible device addition and modification without extensive reconfiguration, ideal for IoT and monitoring applications. Configuration involves navigating to Unified Namespaces / TagProvider Connections and selecting the Codesys PLC Handler Communication Driver. Connection parameters include specifying the system interface, read-only access mode, user-defined name, description, protocol options, and connection settings such as PLC address, port, protocol, and gateway settings.
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Configuration
To set up a new TagProvider connection navigate to Unified Namespace/TagProvider Connections and press the add button to open the New TagProvider Connection dialog. You can also create your TagProvider Connection directly from the AssetTree. To do this, navigate to Unified Namespace/Assets Tree and press 
to open the New TagProvider Connection dialog. In the configuration dialog, select the Codesys PLC Handler on the Provider configuration field and insert the required connection parameters. After that, press the Ok button to finish the provider configuration, and it will create a folder automatically in the Assets Tree (Unified Namespace / Assets Tree).
Connections Parameters
Field | Description |
|---|---|
Provider | Specifies the system the TagProvider will interface with. In this case, it interfaces with the Codesys PLC Handler Communication Driver. |
Access Mode | Determines permissions for interacting with tags. Read allows data reading. For this TagProvider option only read is allowed. So, it is Read-Only. |
Name | User-defined name for the TagProvider instance. Identifies the specific configuration in the system. |
Description | Explains the TagProvider's purpose or the systems it interfaces with. Provides context for its usage. |
ProtocolOptions | Defines specific communication settings for the connection to the device. True or False. |
Connection | Defines a string for the Codesys PLC connection settings, including PLC address, port, protocol, and gateway settings. |
The Test buttons verifies the connection settings to ensure successful communication with the specified device.
Field | Description |
|---|---|
PLC Address | Specifies the address of the PLC to establish a connection. |
PLC Port | Sets the port number used for communication with the PLC. |
Protocol | Defines the communication protocol used for the connection. Options include Tcp/Ip (Level 2 Route), Tcp/Ip (Level 2), Tcp/Ip (Level 4), and Serial (RS232). |
Motorola ByteOrder | Configures the byte order for Motorola devices. |
Gateway DeviceProto | Specifies the protocol for the gateway device. Options include Tcp/Ip, SharedMemory, and NamedSharedMemory. |
Gateway Address | Specifies the address of the gateway device to establish a connection. |
Gateway Port | Sets the port number used for communication with the gateway device. |
Gateway Password | Specifies the password for authentication with the gateway device. |
Logon UserName | Specifies the username for authentication with the PLC or gateway device. |
Logon Password | Specifies the password for authentication with the PLC or gateway device. |
Test | Verifies the connection settings to ensure successful communication with the specified device. |
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