(1) Pedro / Peter.
The RSLinx OPC Automation Interface CANNOT be used to upload or download either PLC Code or Documentation. RSLinx OPC can only allow upload/download/subscription to data-table points and arrays. The only way I know to access the type of information you are talking about is by...
The function I think you require is the @MODE function. This is available directly from the RSLinx application and does not require the use of RSLogix 5000
Try this:
In RSLinx, create an DDE/OPC topic pointing to your processor. For this example call it ModeTest
Now open Excel and insert the...
For data only communications (as described in the first point), you will not nessessarily need the RSLogix, or any other programming software provided you know the data points you want to communicate to, but you will need a communication server capable of either DDE or OPC communications. If...
Make sure that you have configured a suitable driver in RSLinx before attempting to set up the channel.
From your other posts, it looks like you want to communicate on DH+ so you will need to add a driver to RSLinx to specify the details of your interface card. In RSLinx select Communications>...
Hi Gary
I have a lot of experience programming in Visual Basic with the RSLinx OPC Automation interface and would be happy to help you out if I can. Its really easy once you get your head round the basics.
I programmed all of my OPC communications code in Class modules and it functions just...