Are you sure you are powering the board the right way? Middle pin of J1 is for contactor control. You might need to set precharge time before it outputs 12V. I haven't used any other terminal programs than RTD Explorer but I'd say you can set any parameter using moserial.
User
adamj12b offered RTD Explorer at
www.evvette.com, but indeed the site seems to be down. Maybe you could ask him for the software directly.