Configuring Global Data

Introduction

In order to use the TXS ETY 4103/PORT/5103 module to use Global Data, it is necessary to set the configuration parameters.

Access the Global Data

To set Global Data:

Step	Action
1	Access the module configuration screen.
2	In the Module utilities zone, select the Global Data check box: The Global Data tab is no longer grayed out.
3	Select the Global Data tab:

NOTE: The IGMP and None features are available only in Unity 4.1 or later.

Table of Variables

To configure the Global Data variables, you must use the Control Expert variable editor:

Step	Action
1	Go to the Control Expert variable editor:
2	For each Global Data variable, define whether it is published (PUB) or subscribed (SUB) in the Global data field. To do this, double click the Global data column for the variable you want to define, and then select an option from the menu, as shown below.
3	Click the column for each variable that you want to configure, and then right click the column to display the Data Properties box for the variable you selected. In the Name column, expand Global data.
4	Give the Global Data group a name in the Group field.
5	Fill in the ID field: identifier of a remote station in a distribution group.

NOTE: The Global data column in the variable editor does not display by default. If the Global data column is not visible when you open the variable editor, right click in any column in the editor, and select Customize Column... When the Column Configuration dialog box appears, select the check box next to Global data, then click OK. The Global data column is now visible in the variable editor.

Configuring Global Data

To configure Global Data, follow these steps in the Global data configuration zone:

Step	Action
1	Indicate the Distribution Group Address to which the station belongs, between 224.0.0.0 and 239.255.255.255.
2	Adjust the Distribution Period to between 1 and 50 PLC cycles.
3	Fill in the group name defined in the Control Expert data editor (see above).
4	Select which multicast protocol you require: None GMRP IGMP
5	Define the Health time out. This value can be adjusted from 50 to 15000 ms (in increments of 50 ms).