I think it is really a matter of the amount of work you wish to put into it and what you feel most comfortable with. That said I have some very big customers that are using either LinkMaster or PLC's as concetrators with the same results. If you use a PLC as a concentrator it is much like LinkMaster you are relying on the concentrator to get the data in a timely manner so that the HMI may be updated. #Opclink intouch downloads update#However if you set the client update fast enough you will get and changed data from the server as soon as it comes into LinkMaster. You must keep in mind though that data is update from cache not from the device. The other advantage is that connected clients only have access to the Link Items, they cannot get data from the OPC servers that has not been configured in LinkMaster allready so you have an added level of security. If clients connect to LinkMaster and request data from the Link items at a faster rate the will be updated from the cache, LinkMaster will not transalte the request down to the server. You can set a poll rate in the LinkMaster Link groups and that is the rate data is polled. We see it used mostly in sitatuations where customers wish to control the access to the OPC servers. You can do this bacause LinkMaster is a both a client and a server. Additionally, InTouch ME provides the added scalability and tight integration with Wonderware. LinkMaster would come in to play if you had multiple OPC servers and you wanted to provide one connection point to the HMI for all the servers. Designed to run on Windows Embedded operating environments, InTouch Machine Edition (ME) is built to be the perfect replacement for Panel Views and other proprietary panels. In this case you are get the data as it comes from the device. Setting of Topic Start 'Topic Definition' from 'Configure' menu of OPCLink, and set the following four main items. #Opclink intouch downloads how to#The server is a single connection point for the HMI. How to Start OPCLink Select Program->Wonderware FactorySuite->I/O Servers-> OPCLink from Start Menu and activate OPCLink. Overview Features Brochure Datasheet Download Flyer. This allows the server to talk to the devices simultaneously. We are making it easier to understand our products with new names. If you have 5 PLC's then you could use one Kepserver to connect to all 5 on individual channels.
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