Operating Instructions

Chapter 2 – Installing and Configuring the OPC/SNMP Agent
14 Siemens Building Technologies, Inc.
11. On the Add menu, click Add Group.
12. In the Add Group dialog box, do the following:
a. In the Group Name box, type a name for the group.
b. In the Update Rate box, type a number of milliseconds. It is recommended to use 100.
c. In the Percent Deadband box, leave 0.
d. Select the Set Active check box.
e. Click OK.
You cannot modify a vendor or group once it is created. To change the information,
you must delete the information, and then add the correct information.
13. In the top-left pane of the SG_OPC_ENG_Tool window, do the following:
a. Click the group that you just added.
b. On the Add menu, click Add OPCTag.
14. In the Add Item dialog box, do the following:
a. Select the Active check box.
b. Select an OPC tag from the Available OPC Tags from Current OPC Server list. The tag
description is displayed in the OPC Tag box.
c. Skip the OPC Tag Type box. This information will be automatically updated by OPCServer.
d. If you want to change the access to OPC tag information, select a different access type in the
OPC Access Type list.
e. Click OK.
A message stating that the item data type was changed by the server confirms communication.
15. Repeat Steps 13 and 14 to add more OPC tags to the selected group.
16. If you want to add more groups, click the vendor name, and then repeat Steps 11 through 15.
17. Close the SG_OPC_ENG_TOOL window to save the configuration settings.
Accessing and Viewing OPC Items
Using the OPC Engineering Tool, you can view Insight point information, confirm that point values can
be monitored and commanded, and provide the SNMP Engineering Tool access to the OPC items.
To view and access OPC items, do the following:
1. Start the OPC Engineering Tool (SG_OPC_ENG_TOOL.exe).
2. On the File menu, click Open from Settings.
3. On the Connections menu, click Connect to OPCServer.
4. Click Yes to use settings from the local registry.