Parking costs € 1.30 per hour on the NDSM terrain (See map). You can pay at the parking meter with debit card or via apps like Yellowbrick / Parkline (parking codes 19586/19587). On the NDSM site, paid parking applies from Monday through Sunday from 9 am to 11 pm. (from February 25th 2018 it will be until 7pm.). You can buy a parkingcard online for 1 day/evening, 1 week or 1 month.
More information on the site of the city of Amsterdam (in Dutch): Parking rates Amsterdam.
From july 2018 more areas in Amsterdam North will be paid parking.