InduSoft Web Studio - InduSoft Corporation

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InduSoft Web Studio Tutorial training – Revision B – Sep/10/2000 © Copyright InduSoft Ltd. 2000 Tag Name: these fields should contain the tags you want to share with the server. If the tag is an array or a class (or both), every element and member is shared. You should only put the tag name in this field, without specifying the index or class member. If you specify an index or a class, the TCP/IP Client module will ignore it. Remote Tag: these fields should contain the name of the tag that will be linked with the tag specified in the field Tag Name. This field is optional. If you leave it in blank, the same tag name will be used in the client and in the server. Warning: if you need to share an array, then the tag in the server should contain the same number of elements of the tag in the client. If the tag is a class, then the class definition should be the same in both server and client applications. If you don't follow these rules, unpredictable results may happen. Running the TCP/IP Client Module You can choose to run it auto or manually on the Project->Status, Runtime Tasks Table, item TCP/IP Client. After running this program, a small icon will appear in your system tray. Custom Parameters There are three parameters you can configure in the Application Configuration (.app) file. [TCP] Port=< TCP/IP port number. Default = 1234 > SendPeriod=< Time in milliseconds the client/server module will update the tag values of the other machine. Default = 250 > ConnectRetryTimeout=< Time in seconds the client should retry to connect to the server. Default = 30 > The Port parameter should be the same in both the client and server machines. Only the client module uses the ConnectionRetryTimeout. OPC (OLE for Process Control) Introduction The InduSoft Web Studio OPC Client module enables the InduSoft Web Studio system to communicate with any device that implements an OPC Server. This module implements the OPC standard as described in the document "OLE for Process Control Data Access Standard", available at the site http://www.opcfoundation.com. Page 114
InduSoft Web Studio Tutorial training – Revision B – Sep/10/2000 © Copyright InduSoft Ltd. 2000 Preparing an OPC Server Database Before you start using the OPC Client Configurator, you must install the OPC Server. In our example, let us install the INGEAR Allen Bradley OPC Server. After installing it, let us configure an OPC Server Database. Call the INGEAR AB OPC Server. Menu Add + New Device. You will be asked for creating a new driver. Accept it. The first option is the DF1 Serial. As it does not matter the communication (we are going to simulate a communication), the DF1 can be chosen. Accept the next steps, like, driver name and communication settings. In the "Device Properties" window, configure it as shown below. Note the "Simulate I/O" check box checked: Page 115
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