WinCC and Mitsubishi PLC communication method - Database & Sql Blog Articles

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The problem of communication between WinCC and Mitsubishi plc has been bothering me for a long time, and it took me a long time and energy to explore. Now I am finally getting a rock.

There are three methods in total:

1. Using Mitsubishi's OPC Server: Known as Melsec OPC Server is a full-right OPC solution developed by Mitsubishi Corporation. It can perform OPC configuration on all Mitsubishi FX/Q/A series serial ports to achieve stable data transmission and access mechanism. However, the charge in Japan is unacceptable, and the price of the unit software is 9,000-15,000 yuan. This is unacceptable in the case of the decryption software, so forget it.

2, using KAPWare's OPC software, very good, can be counted decryption, and support almost all current PLC brand, simulated for a few days, the operation is relatively stable.

3, monitoring software direct support: the domestic group Taiwang can support, but the stability and communication rate of the group Taiwang has always made me not worry, my goal has always been: Can you directly access FX2N with WinCC6.0, test I haven't gotten it for a long time. Can I communicate with WinCC6.0 only through OPC?

The mountains and waters are full of doubts, and the village is dark and bright.

Originally WinCC5.1 and FX can communicate, but now WinCC6.0 is not possible, is there a way to transplant?

First copy several xxxx.chl files of WinCC5.1 to the bin of WinCC6.0, no.

Then copy a few xxxx.dll files over, or not;

TNND, copy all the bin files of WinCC5.1----

The myth has been created like this -----

In the communication driver of WinCC6.0, there is misfx.chl, and then the group is too analog channel, which can be used.

The problem is solved from the root.

So happy.

Software: WinCC6.0

Interface: PLC: 422 programming port; computer: 232

Interface cable: 232 to 422 programming cable

Data interface: baud rate: 9600; port: com1; data bit: 7; stop bit: 1; parity bit: even;

Programming: On the PLC side, you need to program D8012 for the above parameters; set the station address.

Get it done.