Configuring the INGEAR OPC DA Server for the

Transcription

8/23/13
Configuring the INGEAR Allen Bradley DA OPC Server, OPCLink, and OPC Tag Browser
Tech Note 234
Configuring the INGEAR Allen Bradley DA OPC Server,
OPCLink, and OPC Tag Browser
All Tech Notes and KBC D documents and software are provided "as is" without warranty of any kind. See the
Terms of Use for more information.
Topic#: 000962
C reated: June 19, 2001
This Tech Note will show you a quick step-by-step procedure for configuring the InGear AllenBradley Data Access Server, OPCLink™ I/O Server, and OPC Tag Browser™. The Tech Note is
divided into three sections as follows:
Section 1 - Configuring the INGEAR OPC DA Server for the AB (ControlLogix) PLCs
Section 2 - Configuring the OPCLink I/O Server
Section 3 - Using the OPC Tag Browser to create InTouch™ Tags
Before you begin, make sure that the following have been installed:
INGEAR Allen Bradley Data Access OPC Server version 2.25.30.01 or greater.
Wonderware® OPCLink I/O Server version 7.3.1.6 or greater.
InTouch version 7.1 with patch 6 or greater.
OPC Browser version 7.0.1.1 or greater.
Windows NT 4.0 or Windows 2000. For their respective service packs, please see Tech
Alert 4.
Networking hardware and software; they should be in working condition.
Note: Throughout this Tech Note, it is assumed that you have a basic working
knowledge and understanding of Allen-Bradley PLCs, OPC connectivity, INGEAR OPC
DA Server, Wonderware OPCLink I/O Server, and Wonderware InTouch HMI
software.
Section 1 - Configuring the INGEAR OPC DA Server for the
ControlLogix PLCs
The INGEAR OPC DA Server offers several benefits as follows:
There is no need for the RSLinx or a third-party driver to access data in the Allen-Bradley
PLCs.
It is easy and straightforward to use.
It supports all Allen Bradley PLC/SLC data files and ControlLogix 5550 native tag
addressing.
It supports multiple communications interfaces.
The following steps will show you how to set up a connection from the INGEAR OPC Server to a
ControlLogix PLC.
1. Start up the INGEAR OPC Server for the Allen-Bradley Networks.
a. On the menu bar, click Add/New Device to add a PLC.
b. Click OK to acknowledge the message “No drivers have been installed” (Figure 1).
https://wdnresource.wonderware.com/support/kbcd/html/1/t000962.htm
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F IGURE 1: T HE IGOPCAB WINDOW
The Driver Selection dialog box (Figure 2) will appear.
F IGURE 2: T HE DRIVER SELECTION DIALOG BOX
2. Use the pull-down combo box for the Supported Drivers and select the Ethernet driver AB
1786 ENET (ControlLogix).
a. Click on Add.
b. In their respective fields of the AB Ethernet Driver dialog box (Figure 3), enter a
driver name and a valid PLC IP address or hostname for the PLC.
F IGURE 3: A DDING
A
DRIVER FOR CONTROLLOGIX CL5550 PLC
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3. Click OK to add the driver into the Installed Drivers list (Figure 4).
F IGURE 4: T HE INSTALLED DRIVER FOR CONTROLLOGIX PLC
4. Click OK to accept the driver.
The Device Properties dialog box will appear (Figure 5).
F IGURE 5: T HE DEVICE PROPERTIES DIALOG BOX FOR THE CONTROLLOGIX PLC
a. Enter a meaningful name for the PLC.
b. Next, use the pull-down arrow for the Driver: field in the Device
Properties section to select the Ethernet driver you just created.
c. Enter the rack I/O slot number where the ControlLogix 5550
processor resides in the CPU Slot field.
d. Then select the radio button for ControlLogix 5550 and click OK.
5. Add a pre-defined PLC tag in the ControlLogix to the OPC Server database by clicking Add
from the menu, then scrolling down and selecting New Tag.
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The Tag Properties dialog box will be displayed.
a. Enter the tag’s name, optional description, and the PLC register address in the
Name, Description, and CPU Tagname fields, respectively.
b. Use the pull-down arrow to select the appropriate Data Type for the tag.
Note that VT_I2 is a 16-Bit signed Integer value (-32768 to +32767).
For more information about other data types, please refer to the INGEAR
On-line Help by clicking the Help button.
The Tag Properties dialog box should now look like Figure 6.
F IGURE 6: A DDING
AN
OPC T AG
IN THE
T AG PROPERTIES DIALOG BOX
6. In a similar way, create two more OPC tags, one timer tag and one Boolean tag (Figures 7
and 8).
F IGURE 7: CREATING
A
BOOLEAN T AG
IN THE
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F IGURE 8: CREATING
A
T IMER T AG
IN THE
7. In order to monitor the OPC tag values, click View and enable the Monitor option with a
check mark.
Figure 9 shows the OPC Server window with all the OPC tags you just created.
F IGURE 9: T HE T IMER, BOOLEAN,
AND
PLC T AGS
IN THE
OPC SERVER WINDOW
Section 2 - Configuring the OPCLink I/O Server
The procedure for configuring the OPCLink I/O Server is described in this section.
1. Start
a.
b.
c.
up the OPCLink I/O Server.
Select Configure/Topic Definition on the menu bar.
Enter the Topic Name.
Leave the Node Name entry box blank if the INGEAR OPC DA Server and the OPCLink
reside in the same computer.
Note: Wonderware Technical Support strongly recommend that you have both the
INGEAR OPC Server and the OPCLink installed on the same PC.
2. In the OPC Server: field, select CimQuestInc.IGOPCAB.
a. Press the Browse button to browse the OPC Server and select the available topic (or
device) in the OPC Server.
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The OPC Browser window should appear as shown in Figure 10.
F IGURE 10: T HE OPC BROWSER DIALOG BOX
3. Click OK to go back to the OPCLink Topic Definition dialog box, and the selected topic
should be displayed in the OPC Path field.
a. Leave the other selections at defaults.
The OPCLink Topic Definition should be similar to Figure 11.
F IGURE 11: T HE OPCLINK T OPIC DEFINITION DIALOG BOX
4. Select File/Save as... from the menu bar.
a. Enter the file name for the OPCLink configuration file.
b. This file will be retrieved later as described in Section 3.
Section 3 - Using the OPC Tag Browser to Create InTouch Tags
As mentioned before, the Wonderware OPC Browser version 7.0.1.1 or greater should have been
installed on the computer. The OPC Browser allows you to connect to the INGEAR OPC Server,
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browse through the exposed address space, and add the OPC tags you created in the INGEAR
OPC Server. After adding an OPC tag, the browser will create InTouch access names and tags
for you to use.
1. Start an InTouch application.
a. Select Special/OPC/Browse OPC… on the menu bar.
The OPC Browser dialog window should now appear.
2. Use the OPCServer pull-down arrow to select CimQuestInc.IGOPCAB.
A pop-up dialog box prompts you to Enter the Node Name.
a. Leave the entry box blank because you connect locally.
b. Click OK to go to another dialog box to locate the OPCLink Configuration
file you have saved in step 4 of Section 2.
c. Click Open to select the file.
3. Click OK to the prompt from the OPCBROWS dialog box, so that the browser can create
the OPCLink topic, which is the topic name configured in the OPCLink Topic Definition in
the InTouch Window Maker.
The Access Name should now pop up.
a. Enter a meaningful Access Name.
b. Leave the Node Name entry box blank.
c. Change the protocol option to DDE because you connect to the OPC Server
locally.
Figure 12 shows the configuration for the OPC Browser Access Name.
F IGURE 12: T HE A CCESS NAME DIALOG BOX
4. Click OK to go back to the OPC Browser dialog window, which should look similar to Figure
13.
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F IGURE 13: T HE OPC BROWSER WINDOW - CONFIGURING
THE
OPC BROWSER
5. Highlight an OPC tag listed in the middle pane, and click on the Create Tag button.
The Create Tag dialog box should appear with the name of the OPC tag you
selected.
a. Enter some informational comments about the tag in the optional Comment
field.
b. Make sure the Tag Type is correctly chosen.
c. Click on the Done button.
The tag should now be populated in the InTouch Tag database.
Figures 14 through 16 show you what to see in the populated Create
Tag dialog box.
F IGURE 14: T HE CREATE T AG DIALOG BOX (1) - T HE PLC T AG
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F IGURE 15: T HE CREATE T AG DIALOG BOX (2) - T HE T IMER T AG
F IGURE 16: T HE CREATE T AG DIALOG BOX (3) - T HE BOOLEAN T AG
Note: After you have selected the tag type, the browser will automatically add
the corresponding prefix in front of the tag name inside the Item field. The
following is the list of prefixes for the OPC tag types: d - for the discrete type; i for the integer type; r - for the real or floating type; and m - for a string or
message.
6. Follow step 5 to create more OPC tags for the InTouch application.
a. After you have finished all the tags, click on Done to close the OPC Browser dialog
window.
7. Open an InTouch screen and use the Text tool and animation links to create data points
for all the tags that have just been added to the InTouch Tagname Dictionary (database).
Figure 17 shows a very simple InTouch screen with the data points.
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F IGURE 17: T HE INT OUCH WINDOW VIEWER DISPLAYING
THE
OPC T AGS' VALUES
B. Nguyen
The Tech Note is published occasionally by Wonderware Technical Support. Publisher:
Wonderware Corporation, 100 Technology Drive, Irvine CA 92618. There is also technical
information on our software products at Wonderware Technical Support, our WonderFax faxon-demand system at 949-450-5050, and the Comprehensive Support Knowledge Base.
For technical support questions, send an e-mail to [email protected].
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