Modicon M340 - Visual Basic communication

[matias21033 0]

Hi all, I have a Modicon M340 PLC with the following configuration: CPS2000 - P34 2030 - DDM 16022 I want to implement this communication set between PC and PLC: Visual Basic 2010 Express (app not programmed yet) - Modbus - TCP/IP - Ethernet II - P34 2030 PLC Processor I need some general advice and to know if the previously communication set is correct. My questions are: 1) Is enough the P34 2030 processor to establish an ethernet communication? or I need an extra communication module? 2) Is there a Modbus library for Visual Basic 2010? 3) Can I have also a web access to the PLC variables? 4) This communication can be simulated using Unity Pro or I need to have the PLC connected physically? Thanks in advance, Matías

[billysmithde2 1]

The simulator should work fine as a server, which is what you likely need as your program will generally be a client. You could do communications the other way, but most of the time SCADA or other visualization software is the client and the PLC is the server.

[matias21033 0]

Thanks a lot for the quick response!! I will try all you suggestions this week and comment again after that. Your regards, Matías