Could LabView used for Client-Server Configuration?

[thomasindo]

I have plan to used LabView for local HMI to control and monitoring PLC. There are several HMI LabView. From each HMI LabView, data will transfering to Local Server to save into database and collected completely. From Local Server, data will encripted and transfer to Head Office (HO) Server via internet protocol. HO Server will simultaneous request recents data on Local Server.

I would like know more the possibility using LabView on Local and HO Server. I would like hear more detail engineering explanation please.

[Ben]

You may want to look into LabVIEW DSC (Data-logging and Supervisory Control). You could bind shared variable (tags) to the PLC's I/O point via an appropriate OPC server that support your flavor of PLC. DSC include a historical DB that is SQL compliant.

So the local machines monitor and log and the HO machine queries the DB for new info.

Ben

[Ben]

adding to the above...

I have been developing apps like that in LV for about ten yearsw now and I have also completely re-written DSC becasue is was lacking in some ways. If possible keep your req's loose and flexible. Writing all of that code is not a trivial task (no matter how many times you have done it).

Ben