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OPC HDA connectivity in redundant PCS7 OS servers

6/29/2007 8:01 AM	Rate (0)
AKB Posts: 3 Rating: (0)	I would like to archive in Historian the WinCC TLS tags coming from 2 sets of Redundant PCS7 V6.1OS servers. Refer to the system architecture in enclosed PDF. As far as I know, an OS client in PCS 7 keeps track of the redundancy aspect. However, an OS Client can be client to only 1 set of PCS 7 redundant server pair. Thusif I install an OS client in Historian, I can grab data from 1 pair of server only. My dilemma is how to get data from the second pair of redundant server. Also I would like to know how to interface with the OPC-HDA of PCS 7 V6.1. Any help is welcome Attachment Historian.pdf (583 Downloads)
AKB Posts: 3 Rating: (0)
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7/2/2007 11:00 PM	Rate (0)
Bart Demaegdt Member Joined: 7/2/2007 Last visit: 10/17/2024 Posts: 3 Rating: (0)	Hello, Your topology is correct. WinCC Connectivity pack on the client for the OPC-HDA license. The WinCC client needs to be installed and activated on the Historian machine. A client makes the connection towards a redundant server pair transparent -> also correct. But a client (multiclient) is able to connect to 12 redundant server pairs. In other words a client can act as a data gateway towards several redundant PCS7 stations. SIMATIC IT Historian is tested with up to 5 redundant PCS7-OS connections. (I should verify to be 100% sure) So it is possible. Kind regards Bart Demaegdt

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7/4/2007 1:46 AM	Rate (0)
AKB Posts: 3 Rating: (0)	Hi Bart, Thanks for the note. We are using PCS7 V6.1. On the multiclient, I have the following queries: a) Multiclient supports upto 12 redundant server pairs. However, can these server pairs belong to 12 different projects or do they have to be in 1 multiproject. b) Is there a separate CD available for the multiclient or is it the standard OS client with multiclient license.? c) In V5.0 PCS7 there was an option like creating multiclient projects. But I dont see that in V6.1. Is it true? Regards Atish Bagchi
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7/17/2007 5:44 PM	Rate (0)
Bart Demaegdt Member Joined: 7/2/2007 Last visit: 10/17/2024 Posts: 3 Rating: (0)	Hello, Here some answers: a) Multiclient supports upto 12 redundant server pairs. However, can these server pairs belong to 12 different projects or do they have to be in 1 multiproject. -> You are able to insert12 different packages from different projects. So it's not needed to b) Is there a separate CD available for the multiclient or is it the standard OS client with multiclient license.? -> Even the license is identical. PCS7 OS CLIENT (WINCC RT 128). The software is the same, you simply select the presetting for a client installation. c) In V5.0 PCS7 there was an option like creating multiclient projects. But I dont see that in V6.1. Is it true? This still exist. A "single project" does not need a project. A multiclient needs a local project (of which you store the project into your ES-project in an ideal way). In the HW-config of the client PC you define a WinCC client project. Hope this helps. Kind regards, Bart Demaegdt

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