Run a stepper from 2 DM542 drive

[A_Camera]

I have something similar with this:
https://www.amazon.co.uk/gp/product/...?ie=UTF8&psc=1
It is a good candidate for what I need?
Or this one is better:
https://www.amazon.co.uk/General-Pur.../B0087ZTGNNext I need to wire an on/off button. I need to have a way to change the state of the relay to use one or another sets of inputs.

Thank you
Gabi

The second link does not show me anything, but the first is OK, except that you only need four relays, so it is better to buy a 4-channel type.