Sorry for the delay in replying. Been away for a while.
As diat said, Win911 works well with Wonderware. And unless I was given bad information, Wonderware InTouch client licenses are around $1500 a pop. That is one of the main reasons we moved to Ignition. We have six licenses, I believe, but needed at least twice that many to allow enough users on at one time. And if you run InTouch on a Windows terminal server, you also need Microsoft licenses for that too, which are not cheap. So Ignition wins hands down on the client and alarming issues.
Oh, and, Wonderware also charges you for each object you set up on their Industrial Application Server. They sell those licenses in bundles. The prices and quantites I don't recall, and they could have changed by now.
On the OPC servers, there are several on the market that will handle that job. I don't know what Wonderware offers in that respect, but I do know that AES Autosol is a good DA OPC server. We have been using it for at least eight years now. Kepware and Matrikon each have DA servers. I demoed both for a short while and found them easy to configure and use. There are others but I'm not familiar with them at all.
You have to make sure the DA server you select has the drivers for the device(s) you need to coneect to, of course. The three I named have drivers for most every popular device out there, and an assortment of other odd devices. You need to check on the device licensing for the OPC server before making a decision also. Depending on the number of devices to which you need to connect, the licensing can cost more than the OPC server software itself.
This may sound like I work for Inductive Automation, but I find it hard to beat their pricing setup. Unlimited clients and tags, built in historian and alarming, and, as they advertise on their web page, "If you can think it, you can do it." These are some of the reasons we switched. The awesome support is just icing on the cake.
