1/21/2019 8:31 AM | |
Joined: 9/9/2015 Last visit: 9/4/2024 Posts: 727 Rating:
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Dear Cliffhanger, Your project Chart folder should have only CFC or Process Tag. Process Tag Chart is created by Import-Export Assistant (IEA) from Process Tag Type Template (PTT) in the Project Master Data Library. After generate, functionality wise, there are both the same. Just that during bulk engineering, if you have a lot of Type A charts, you will create a PTT, create IEA file, import all Type A charts with a single click. Hope it helps. |
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1/21/2019 8:51 AM | |
Joined: 3/14/2008 Last visit: 9/5/2024 Posts: 2094 Rating:
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Hi cliffhanger, See the following topics for the differences between PTT and CMT. Basically CMT is the newest concept where the disadvantages of PTT are removed. |
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1/25/2019 9:14 AM | |
Joined: 3/14/2008 Last visit: 9/5/2024 Posts: 2094 Rating:
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Hi cliffhanger, Yes you are correct, this is a disadvantage of CMT. You need a separate add-on to bulk engineer CMT's. Unlike PTT which are configured by IEA, which is included in the PCS7 setup. But the CMT is the concept Siemens expands and continues to work on. For example: Since V9.0 it is possible to create EMT (Equipment Module Types) which integrates several CMT's and a SFC type. Using PTT is also OK, but it contains several disadvantages, you need to be sure you create the PTT first time right , since updating PTT after changing the Process Tags in the project does not work. It is possible to create CMT from PTT, so you can start programming without any add ons like COMOS or Plant Automation Accelerator and change it later on to CMT. |
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1/28/2019 12:36 PM | |
Joined: 5/3/2017 Last visit: 5/21/2024 Posts: 673 Rating:
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Hi cliffhanger, at the application example Control Module (CM) Technology - Efficient Engineering with SIMATIC PCS 7 you find an comparison between PT/PTT and CM/CMT and the best pratice way to use the CMT/CM. With regards |
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