Chapter 7 OPC Server
ET-7000 AIO User Manual, Apr. 2009, V1.04, EMH-011-104----------102
7.2. Procedure for using the OPC server
Step 1: Read the following documents
Readme.txt: contains the latest important information, including:
• A list of files contained on the shipped CD
Reversion.txt: contains the revision history information, including
• Bugs
• New modules supported
Step 2: Install the OPC server by executing:
CD:\NAPDOS\ET7000\Tools\Napopcsvr\NapOPCServer.exe
Note: If there is an older version of the Nap OPC Server installed on the PC, and
must be uninstalled before installing the new version.
Step 3: Read the manuals describing how to begin.
The NapOPCSvr.pdf is the user’s manual describing how to use the OPC server
7.3. OPC Server Example using MODBUS protocol
The following is an example of accessing Digital input and output values from an ET-7000
Step 1: Connect the ET-7000 controller (refer to Sec. 1.5.2) and configure its network
settings (IP, Mask and Gateway - refer to Sec. 2.1)
Step 2: Run the OPC server
Step 3: Add/Create a new device and to search for I/O modules using Modbus /TCP
protocol
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