W7-X NBI beam dump thermocouple measurements as safety interlock. - van Eeten, Paul; Kallmeyer, J.P.; McNeely, P.; Rust, N.; Hartmann, D.; Schacht, J.; Naujoks, D.; Degenkolbe, S.; Vilbrandt, R.; Bosch, H.S. (Fusion Engineering & Design, 2019)