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Tab PLC connection point

In this tab you specify the properties for the selected PLC connection points. In addition to the properties possessed by all functions, further PLC specific properties are shown here.

In the Properties (global) editing mode, you edit the properties for all representations of the PLC connection points at once; in this case the additional tabs PLC box (device), PLC structure data (device), and Parts (device) are displayed for the associated main function.

Overview of the main dialog elements:

Displayed DT:

The displayed DT is displayed in the graphical editor on the component. If you have defined in the project settings that devices are to be automatically numbered when symbols are inserted, then a DT is automatically suggested here. You can accept this DT or overwrite it manually.

In addition you can use the popup menu or the [...] button to create or select a DT.

Full DT:

This field displays the full DT (i.e. structure identifier of the current environment + displayed DT) of the component / item. Use the [...] button to open the Full DT dialog. You can edit the structure identifiers there and select, e.g., another mounting location.

Connection point designation:

This field displays the connection point designations of the current function, as well as the connection point designations of the functions that adopt the DT from the current function. To differentiate between identical connection point designations within a PLC card, you must also enter the plug DT in the Plug designation field. Identifying for the differentiation is the DT of the PLC card, the plug designation (for bus ports: Bus interface name + Plug designation) and the connection point designation.

You can manually change the connection point designations for the function / device or select an entry from the drop-down list. Several connection point designations are separated by a paragraph mark. When manually editing multiple connection point designations keep the following in mind:

Note:

The contents of this field is not stored in just one property. You can use the Connection point designations (all) (ID 20038) property to display the connection point designations at the component. This property displays all connection point designations of the current function. The connection point designations of other functions that are displayed in the field Connection point designation are not included in this property though.

Connection point description:

Enter the connection point descriptions for the function / device here, or select the data from the drop-down list.

Plug designation:

Enter the DT of the plug used to connect the connection point or channel. As for terminals, the DT can be adopted from the left (or above). If you do not enter "-" in front of the DT (thus "X1", for example), the cable DT will still output this character (e.g., "-W(-A1-X1/-S1)").

The plug of a PLC card is not shown as an independent object in the navigator. This is only information about PLC connection points or channels that is taken into account when identifying an individual PLC connection point and when building cross references.

The table of properties contains the Plug designation (automatic) property, which contains the automatically determined value.

Instead of the plug designation the combination of bus interface name and plug designation is used for bus ports when identifying the connection points. The Bus interface: Name (with plug designation) property contains the determined value.

Note:

When you edit the Plug designation property in the Properties (global) editing mode, the contents are transferred back to the display where the plug designation was originally entered.

Function text:

Here you enter the function text for the function / device.

Aside from the manually entered function text, there are other (automatically determined) function texts that you will find in the table of properties:

Note:

When you edit this Function text property in the Properties (global) editing mode, the contents are transferred back to the display where the function text was originally entered.

Address:

The address can be entered manually or assigned automatically. It is not identifying for the PLC connection point. The address must be unique within a CPU. A CPU is uniquely identified by specification of the CPU name in the form [Configuration project].[Station ID].[CPU identifier].

The (Return) button offers you the option of returning the addresses. This is only possible if the address is not specified on any other display for that connection point (multi-line, single-line, etc.). The address is then entered in the current assignment list as a free address while the Function text (automatic) and the Symbolic address (automatic) properties remain. Manual function texts and symbolic addresses are deleted. If the address is specified in another display of the connection point, it will not be returned.

In the Properties (global) editing mode the address is returned to all connection points at once. Empty spaces in the addresses are not taken into account, i.e., the addresses "E0.0" and "E 0.0" are regarded as identical.

Symbolic address:

Enter the symbolic address for the PLC connection point here.

Apart from the symbolic address entered here, there are additional (automatically determined) properties which you can find in the property table in the "Data" category:

Note:

When you edit the Symbolic address property in the Properties (global) editing mode, the contents are transferred back to the display where the symbolic address was originally entered.

Channel designation:

The channel designation can be manually or automatically assigned. A channel must be unique within a PLC card. For power supply connection points, the assignment is usually graphical. You must only manually enter the channel designation when no graphical assignment is possible. The table of properties contains the Channel designation (automatic) property, which contains the automatically determined designation.

For power supply connection points, the additional data fields for PLC connection points are not evaluated and not automatically filled in.

Note:

When you edit the Channel designation property in the Properties (global) editing mode, the contents are transferred back to the display where the channel designation was originally entered.

Function definition:

This field displays the currently selected function definition; click [...] to select, if necessary, another function definition from the Function definitions dialog.

The function definitions for PLC connection points are split into different groups:


Properties group box

For PLC connection points, the following properties are available, among others:

See also