not shore how to hock up a relay or what type of relay to get for a MB-02-V6 Bidirectional Breakout Board from homann designs to a shanhai dovol hl3000 inverter.
on the vfd it has forward rotation stop on one connection then the next is reverse rotation stop, then stop key, then jog key, and common terminal.
would the relay be hocked up to pin 17 or 1 signal to forward rotation stop and a +5 to common the common on vfd is +10v or +12v or pin 17 or 1 signal to forward rotation stop and earth
any help will be most appreciated