In the customized OPC library, under Texts, select a text group (for example, Automatic Fire Detector).
Click the Text Group Editor tab.
Type in the values you need and a descriptive text for each value. See Figure Text Group Configuration With Output and Input Values of the OPC Server for an example, where values 0 to 2 are input values (values which come from the OPC server representing the fire system: Normal, Alarm, Acked Alarm) and values 10 and 11 are output values (values which the OPC server waits for: Ack and Reset commands).
Four value rows (values 0 to 3) are available by default.
To type in or modify a value or a descriptive text, click in the respective column of the value row to show the text field.
To add a value, click Add new row.
To delete a value, select the value and click Delete selected row.
(Optional) Assign an icon to a value. a. Click to show the Icon Picker. b. Select a fire icon library, for example the Fire_Detection_HQ_1 library. c. Select the icon. d. Click OK.
Click Save.
Repeat the procedure for all text groups for which it is necessary to provide specific texts for the values, including the Command text group for command-specific values (if needed).
Text Group Configuration With Output and Input Values of the OPC ServerAn Icon Assigned to the Alarm Value
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to show the Icon Picker. 
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