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Description of the redundant software?

Created by: Hung Do at: 1/5/2011 3:40 PM (1 Replies)

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1/5/2011 3:40 PM	Rate (0)
Hung Do Posts: 3 Rating: (0)	Late swaminathan wrote: I am using a PID control loop in a Soft Redundant system... If a CPU fails inbetween, will the other CPU will have the same PV instantaneously? Hi Swamianthan, Please read the description of the Software Redundancy very well, there are some times that you have to take into acount when the CPUs are switching to the other. This will not be instantaneously and is from different parameters in the system depending... So it would be with Software Redundancy not possible, when you need that then you must do this with the H-System (CPU 414H / CPU 417H). You said: read description of the redundant software,i can not found it.What's page number descript about this proplem? I use CPU 315 - 2DP,when i control on/off,n o problem.But when I use PID control,CPU indicate W#16#8015: redundant link fail ? I don't understand.Please explain to me.
Hung Do Posts: 3 Rating: (0)	Last edited by: Blue Moderator at: 05.01.2011 21:19 splitted from /tf/WW/de/Posts/4335#top and renamed
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1/8/2011 11:18 AM	Rate (0)
jklm Posts: 1742 Rating: (309)	Hello, The manual is here. SIMATIC S7-300/S7-400 Software redundancy for SIMATIC S7 (http://support.automation.siemens.com/WW/view/en/1137637)
jklm Posts: 1742 Rating: (309)
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