5/7/2012 3:43 PM | |
Posts: 153 Rating: (2) |
pls find, plc back up and gsd . profibus add of PRS=5, mode is auto One more thing , my stand by PLC is showing BF and SF Attachmentplc backup+gsd.zip (150 Downloads) |
5/7/2012 4:16 PM | |
Posts: 947 Rating: (45) |
Hi! i thing - for PRS need use h-cpu |
5/7/2012 6:17 PM | |
Joined: 9/27/2006 Last visit: 9/22/2024 Posts: 12282 Rating: (2684)
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Hello guys; Gre_m: there is no need for an h-system when using a PRS switch. Actually, it is not accepted that you do, . Amit: Both DP-master systems must be setup with the same Profibus address and the same Profibus configuration when using the PRS switch.One way to determine which is the primary DP-master and which becomes the standby is related to the sequence of statup of the PLCs: the first to become active is the primary. You have a few settings to do on the PRS, alloing automatic switchover enakbles redundancy of the Profibus network, for example. Also some parameters of the Profibus connection must be specified in the HWConfiig of each DP-master to facilitate redundant networking (theDP-slave watchdogvalue is very important). And both Profibus cables coming from he DP-masters must be non-terminated at the connections on the PRS (but terminated at the CPU). Have a look at the PRS manual, you will find the most important points to follow there: http://www.comsoft.de/uploads/media/PRS_e.pdf Hope this helps, Daniel Chartier |
This contribution was helpful to1 thankful Users |
5/7/2012 6:56 PM | |
Posts: 153 Rating: (2) |
thanks a lot dchartier, I am having one more doubt that whether I habe to connect both CPU on MPI as we do in software redundancy??? and after doing all settings in my stand by CPU bus fault is coming , as per me in redundancy both CPUs should be healthy??
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5/8/2012 10:25 PM | |
Posts: 947 Rating: (45) |
when working with Prs used data transmission over the optic cable H - system. s7-300 not have this cable |
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