In plant we use Siemens S7 PLC CPU 319F-3 PN/DP with profibus connected to remote I/Os. Profibus network have profibus nodes. We are getting frequent profibus communication failure. Specially during start up of plant after shutdown. We replaced profibus cables/connectors. But still it is happeneing each time.
Could anybody please give some suggestion/advise or document how to proceed to rectify the problem. your reply will be great help.
Could anybody please give some suggestion/advise or document how to proceed to rectify the problem. your reply will be great help.