#6 PPI connection to s7-200 problem (also i found a bug)

[Anonymous]

Hi, thanks for this project, please help me a little

first about the bug, that i told - i use a port sniffer (pornmonnt) to analyse a program traffic when it didn't work and there is some little thing - when libnodave opens a port, parameter STOPBITS is in ERROR state. I use C# to make a connection, so i cant go on deeper and repair it.

So, there is my situation : I have S7-200 226 v.2.01 + Siemens PPI adapter. S7 Microwin connects perfect on 19200. I make a sollution with libnodave.net + testPPI source code. It compiles without errors and run. Portmonnt shows me that it writes to a correct port HEX :

68 15 15 68 02 00 6C 32 01 00 00 FF FF 00 08 00 00 F0 00 00 01 00 01 03 C0

waits a correct delay, but there isn't any answer. Yes, device PPI adress is 2 by default.

In this case i run S7MICROWIN and it runs perfect.

I attached a log file, there you can see a problems descriped below.

PS: Thanks in any case, please reply in any case if you can, it is very important.

[Anonymous]

PornMonNT log file of commumication