National Instruments - NI USB-9421

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Contents

USER GUIDE AND SPECIFICATIDNS Nl USB 9421 8 Channel 24 V Logic Sinking Digital Input Device CCD h DBL T i ni com manuals lt f L o For a Japanese language version gotoni com manuals This user guide describes how to use the National Instruments USB 9421 and lists the device specifications In this user guide the NI USB 9421 with screw terminal and the NI USB 9421 with D SUB are referred to inclusively as the NI USB 9421 Introduction The NI USB 9421 data acquisition device provides a USB interface with connections for eight digital input channels The NI USB 9421 consists of two components an NI 9421 module and an NI USB 9162 carrier as shown in Figure 1 NATIONAL INSTRUMENTS Dimensions Figures 2 and 3 show the NI USB 9421 ...