![]() You should create " Tags" or " Items" or " Alias" different names for the same meaning, For each item you create must define the following:Ĥ.1 " Name" for it (This name will be used later in your SCADA software)Ĥ.3 " Address" which the memory address in your PLC that this tag will hold the value for.Ĥ.4 Other things may be defined depending on the vendor and your needs. ![]() You should now create " Groups", I'll talk about it later. You should create a new " Device", In this one you configure the communication protocol used by your PLC with exact model if there are many models support the same communication protocol. etc.ġ.2 If it was Ethernet, You select the PCI card, IP address. You should create new " Channel", In this one you configure the communication interface that you'll use between the OPC server and the PLC.ġ.1 If you are using a serial connection (RS232-485-422), You configure here all related configurations such as Comport, Baud rate, Parity, stop bits. I'll assume that you have the proper OPC server that can "talk" to your ABB PLC, Proper OPC server means that it can handle the communication protocol used by your ABB PLC. My problem is in ifix 3.5 and opc i dont know where to start and what i first do in opc and ifix to make tags works correct
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