GETTING STARTED GUIDE. NI 9216. 8 RTD, 0 Ω to 400 Ω, 24 Bit, 400 S/s Aggregate, PT100. This document explains how to connect to the NI 9216. In this document, the NI 9216 with spring terminal and the NI 9216 with DSUB are referred to inclusively as the NI 9216.