I resolved it after two days of struggle :D.
It seems that the communication has been established all the time while I was using the COM1(but not when using the COM3 as there was a clear "no PLC response" window).
Anyway, the "COM" lamp does not stay active persistently, but just blinks with a...
@Danw2, yes under "solder side", I mean the side of soldering of the cable towards the 8 pin miniDIN male connector, which is connected to the 8 pin miniDIN female connector, located on the PLC.
@Danw2, thanks for answering.
1) Uploading programs to the HMI is done via microUSB port on the HMI device. No serial communication is included, so uploading and changing the application is okay.
2) Unfortunately, no numbers are visible on both sides of the miniDIN. In contrast, the 9P "COM"...
Hello all!
I have troubles establishing communication between Weintek MT6070iH and Schneider(Modicon) Twido.
I admit the post is little longer at a glance, but if you take a closer look, it mainly includes settings. I just want to explain everything in a very descriptive manner so everyone...