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Scada Tom

Viewing Information on HMI at different locaiton

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We use FT View, I have an off site location for a different company that wants to monitor data but they don't need to make any changes. Would this be done using a read only web page, and a VPN? Of is there specific software that is used with FT View?

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Rockwell has a product called FT ViewPoint to do just that. It is not free, but it will take your existing screens and make them webpage accessible (read, or read/write). If you are using PV+ it includes FT ViewPoint for free. But the caution there is the software runs on your PV+ and uses its resources. If you have busy screens with a lot of data you may have slower updates on the webpage. FT ViewPoint helps with a major concern, user security. You can explicitly allow users access to view data and it can tie into your existing user security (Windows, or just FT Security). A low-tech option is to host a VNC server on some client computers, and only allow view access. But, security is low and you can only see what the client computer is currently showing.

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A third option, if neither is acceptable, is to give access to a client using RDP or VNC, but create a "view only" user in your application, or give them access only to some custom pages that only have the info they need. Are you using FTView SE?

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The negative to the RDP is that it locks the operator terminal when the remote user logs in. VNC would be the better option for that function, but that is interactive.

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