I will add some links to the wiring diagrams for Suet 2, Duet 3 and Duex5. In the case of:

“sx1509b.2 “ that is a pin on an externally connected SX1509 port expander -its an option to add one if you design a compatible board and want to add more pins using this port expander.

Thanks that has been updated in the documentation

Thanks Ian. I have updated the documentation.

Hi, please use our forum : https://forum.duet3d.com/ for support questions.

The configuration tool does not yet support adding a EBOB. One option is to get a configuration using X Y and Z etc mapped to the normal drivers in the configurator and then once you have that modify the M584 command to use drivers 5,6,7 etc.

Please use the forum for further support.

Thanks for pointing this out Ian. I have updated the documentation, as you see 544 and greater are the pulse width.

On all Duet 2 and Duet 3 boards the coils are in pairs. (first pair on pin 1 and 2, second pair on pin 3 and 4). It is not a problem if the order is reversed, as long as the pairs are kept together - it will just make the motor run the opposite direction which can be changed with M569. The labelling difference comes from how the driver chip datasheets originally labelled pins (Letters or numbers to designate coils). We have decided to standardise on A+,A-,B+,B- (or B-.B+,A-,A+) on the labelling of our new boards, no matter what the stepper driver manufacturer calls them, however this has not made it into the wiring diagrams and silkscreen of boards already in production yet.

Colour coding (Black,Green,Blue,Red or the reverse) appears to be fairly common now with 3d printer stepper motors but you are right, its not a given and its important to check the motors

Thanks, fixed!

Please use the forum (https://forum.duet3d.com) for support.

Hey, best to discuss thin on the forum (forum.duet3d.com). but you can put a call to the macro at the end of config.g if you want it to run on startup every time.