Tag Window

Help Contents

Introduction

You can use the Tag Window to browse and configure the Tags in the Fernhill SCADA database:

Tag Window

Icons are used to indicate the type of tag, for example a digital tag is indicated by the Digital Tag Icon icon, and a trend by the Trend Icon icon. You can use folders Folder Icon to organize tags into a suitable hierarchy for your project.

Left clicking on an entry in the Tag Window selects the tag. When selected:

Right clicking on an entry in the Tag Window opens the Tag Window Menu.

Tag Window Menu

The Tag Window Menu allows you to:

You can access these functions by right clicking on an entry in the Tag Window. The Tag Window menu commands vary depending on whether you click on a tag, a folder, or the tag database:

TagFolderTag Database
Tag context menu Folder context menu Tag database context menu

Depending on the type of tag selected, the top of the Tag menu may contain additional commands. For example, when you open the menu for a Graphic Page Tag these commands are available:

For more information see Additional Tag Menu Commands later on in this article.

Add New Tags

You can use the Add new folder and Add new tag commands to create new folders and tags respectively. The New Tag menu has two submenus. The first submenu allows you to select the driver. The second submenu allows you to select the tag type supported by that driver. Each driver guide provides further information about the tags provided by that driver:

DriverVersionFeatures Provided
Core 1.0 SCADA/HMI Graphic Pages. Trends.
IO, Internal and calculated tags. Alarm Tags. IEC-61131-3 Programs
Allen Bradley 2.2 Tags to interface to Allen Bradley PLCs.
File 1.6 Tags to read data files and associate IO Data Point tags with values in the file.
Idec Micro 2.1 Tags to interface to Idec Micro PLCs.
Message Services 3.23 Alarm routing. Text report generation. SMTP Email connector.
Mitsubishi Melsec 1.1 Tags to interface to Mitsubishi Melsec PLCs.
Modbus 1.0 Tags to interface to Modbus PLCs.
Modbus Slave 3.10 Provide a modbus service to other software.
MQTT 3.22 Message Queuing Telemetry Transport driver.
Odbc Client 1.2 Read data from ODBC compatible databases.
Omron 1.0 Tags to interface to Omron PLCs.
OPC Client 1.3 Tags to interface to OPC Data Access Servers.
Random 1.0 Update tags from a random number generator.
Siemens S7 1.4 Tags to interface to Siemens S7 PLCs.
SNMP Client 1.3 Read data from an SNMP agent.

Note: The Version column gives the version of Fernhill SCADA required to support the corresponding driver.

Tag Names

When you create a new folder, or a new tag, Fernhill SCADA automatically generates a new unique name. You can also change the name if you do not want to keep the automatically generated name.

You can change a tag name at any time by any of the following methods:

Press Return to complete the name change, or press ESC to cancel the name change.

Tag names can contain any characters except: period (.), double quote("), asterisk (*), colon (:), less than (<), greater than (>), question mark (?), backslash (\), vertical bar (|).

Moving tags or folders

You can move a tag or folder two different ways:

Copying tags or folders

You can copy a tag or folder three different ways:

Deleting tags

You can delete a tag or folder in two different ways:

Finding references to a tag

Relationships exist between tags, for example:

As a project grows it can become increasingly difficult to keep track of the relationships between tags. To find out where a tag is referenced:

  1. Right click on the tag in the Tag Window.
  2. Select Find references.
  3. Click on a link in the Tag References tab of the Status Monitor Window.

Backup and Restore

You can backup all of the tags in a Fernhill SCADA database to a backup file (.fhsbck). A backup file can be used for:

To backup configuration to a file:

  1. Right click on the Tag Database Tag database icon entry in the tag window and select Backup.
  2. Enter a suitable file name and click Save.

To restore configuration from a file:

  1. Right click on the Tag Database Tag database icon entry in the tag window and select Restore.
  2. Select a suitable file name and click Open.
  3. In the Restore from backup warning dialog click Yes.

Additional Tag Menu Commands

For some tag types, the Tag Menu provides additional commands:

Tag TypeAdditional CommandDescription
Graphic Page Tag Edit Graphic Opens the tag in the Graphic Editor
Open in Operator Interface Opens the tag in the Operator Interface
Trend Tag Edit Trend Opens the tag in the Trend Window
Open in Operator Interface Opens the tag in the Operator Interface
Channel Tag View data log Opens a live Data Log showing the data sent and received on the channel.
Data Point Tag
(historic enabled only)
View trend Opens a Trend Window showing the historic data of the tag.
Calculated Analog Data Tag
Calculated Digital Data Tag
Calculated Word Data Tag
Calculated Double Word Data Tag
Calculated String Data Tag
Edit Calculation Opens a Text Editor allowing you to edit the calculation.
View Code Listing Displays the compiled code of the calculation.
Program Tag Edit Source Code Opens a Text Editor allowing you to edit the code.
View Code Listing Displays the compiled code of the program.

Further Information

Properties Window

For information about configuring the properties of tags.

Status Monitor Window

For information about monitoring tag status, finding tag references or finding code errors.

Fernhill SCADA Configuration Tool

To learn about other features the Fernhill SCADA Configuration Tool.

Glossary

For the meaning of terms used in Fernhill SCADA.