Ok but looking to the pinouts in the documentations seems that the polarities are swapped. If that's the case I need to make a custom cable.
Could be the case?
I doubt it, Probably just a different interpretation of + and -.
Mesa uses the EIA RS-422/423/232 interoperability spec
which means XX+ is the inverted signal
Sorry, I am way behind on the forum, did you get anywhere with this?
You won't see any smart-serial HAL pins unless Smart-serial devices are connected. Do you have any other than the STMBL? It would be easier to debug just one end of the chain with known-good hardware.
I have a test system with hm2_eth and STMBL, so it definitely can work.
There are 2 wiring standards for ethernet. 568a and 568b. The example Mesa provide is for 568b
Sounds like your cable (like mine) is 568a. Check your wiring standard and modify the example to suit your card.
It really would be nice if Mesa added wiring diagrams for 568a as well.
Thank you all for the suggestions, but still no success. I bought a remote sserial pendant card from mesa, so I'll be able to test the mesa 7i94.
Better news on the custom stmbl driver, I have been able to rotate the motors but I still need to adjust the current stuff, because the motor is very noisy.
I have good news, the problem related to the sserial was cause by a wrong component USBLC6-2 instead of USBLC6-4 in the stmbl. After replacing them all worked out of the box. This issue made me mad because the packages were the same between those chips... Anyway now it is communicating with linuxcnc.
I still need to understand why the motors are noisy, I have to check the current part of the board since I canged the Hbridge with a more powerful capable of 60Amp peak.
