MPI However works on a different principle. It is loosely based on Profibus standard but some additional features like Global data communication etc have been added and DP feature has beenremoved. I guess this waythere is no need to use costly "Profibus" chips. Regards Navnag. Thank you all for the posts. One thing that confuses me these days is this.
Does it know from the connections tab? Best regards The Helping Hand. Notify me of new posts via email. This site uses Akismet to reduce spam. Learn how your comment data is processed. Like this: Like Loading Leave a Reply Cancel reply Enter your comment here Fill in your details below or click an icon to log in:.
It's easy! This theme may be out of date. Run the support tool in the AdminCP to restore the default theme. Sign in to follow this Followers 0. Hi, I'm looking into using a Siemens PLC in a new application, and there's something that I couldn't quite understand.
The information that I got from the catalogue suggests that in both networks multiple "stations" can be connected on the same bus. Is this correct? The PLC to control the Inverter. The Panel to collect data from the PLC. Modbus RTU function is realized by pre-programmed function blocks in the instruction library. The function of the Modbus RTU master station instruction library is implemented by calling pre-programmed function blocks in the user program.
The library is valid for Port 0 and Port 1. The instruction library will set the communication port to work in free port mode. The Modbus RTU master station instruction library uses some user interrupt functions. When editing other programs, interrupts cannot be prohibited in the user program. The version of the CPU must be 2.
The command library will set the communication port to work in free port mode. Write My Article. Download article as html.
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