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Different versions of same function block

Created by: be.true at: 7/23/2006 4:31 AM (3 Replies)

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7/23/2006 4:31 AM	Rate (0)
be.true Posts: 34 Rating: (0)	What's the purposefor keeping different versions of some function blocks within one project library? How do I choose? How can I have an exact explanation of the difference?
be.true Posts: 34 Rating: (0)
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7/23/2006 6:56 AM	Rate (0)
Nemo Posts: 3149 Rating: (171)	Hi, which block do you mean in detail?? Often users started with PCS7 V4, during the years they migrated to V6. Some/few blocks got additional functionality in newer version. nemo
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7/23/2006 9:27 AM	Rate (0)
be.true Posts: 34 Rating: (0)	I'm using PCS7 V6.1 + SP1, I got 2 CTUs: SFB0(Count Up)vs FB24(Upwards counter), how do I choose between the two? Thanks!
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7/23/2006 12:50 PM	Rate (0)
Nemo Posts: 3149 Rating: (171)	HI, at the moment I don´t have a PCS7-system here. But a SFB is a SystemFunctionblock - in principle an integrated CPU-function. => you should check whether SFB/FB are needing the same amount of ressources. In my experience SFBs are using very few ressources... nemo
Nemo Posts: 3149 Rating: (171)
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