National Instruments NI USB-9421 - Manual
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Table of Contents:
- Page 2 – Dimensions; Figures 2 and 3 show the NI USB-9421 device dimensions.
- Page 3 – Safety Guidelines; Specifications; Safety Guidelines for Hazardous Voltages; Assembling the High Voltage Screw Terminal Backshell
- Page 4 – Related Documentation; LabVIEW
- Page 5 – Measurement Studio
- Page 6 – ANSI C without NI Application Software; NI-DAQmx C Reference Help; .NET Languages without NI Application Software; Note
- Page 7 – Training Courses; DAQ Getting Started Guide; Installing Other Software; USB Devices Getting Started Guide; Start»All Programs»National Instruments»; Installing the NI USB-9421 Device; Installing the Software
- Page 9 – Mounting the NI USB-9421 to a Panel; Connecting the NI USB-9421 to a Computer; Devices Getting Started Guide; Start»All Programs»National Instruments»NI-DAQ; for more information.; LED Indicator
- Page 10 – Wiring the NI USB-9421 Device; Caution; LED State; Device
- Page 11 – Module; No connection
- Page 12 – Connecting Devices to the NI USB-9421; sinking inputs
- Page 13 – completing the following steps to assemble the backshell:
- Page 14 – Input Characteristics
- Page 15 – Bus Interface; NI USB-9421 with Screw Terminal Safety Voltages
- Page 16 – Safety Standards; Hazardous Locations; not; Environmental
- Page 17 – Electromagnetic Compatibility; CE Compliance; Environmental Management; NI and the
- Page 18 – Waste Electrical and Electronic Equipment (WEEE); EU Customers; Where to Go for Support; you have access to everything from; ⬉ᄤֵᙃѻક∵ᵻࠊᄣ⧚ࡲ⊩ ˄Ё; RoHS
USER GUIDE AND SPECIFICATIONS
NI USB-9421
8-Channel, 24 V Logic, Sinking Digital Input Device
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.
Figure 1.
NI USB-9421 Components
NI 9421
NI USB-9162
NI USB-9421
Hi-SP
eed USB Carrie
r
NI US
B-9162
Hi-Speed USB
Carrier
NI U
SB-9162
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Summary
NI USB-9421 User Guide and Specifications 2 ni.com Dimensions Figures 2 and 3 show the NI USB-9421 device dimensions. Figure 2. NI USB-9421 (Screw Terminal) Device in Millimeters (Inches) Figure 3. NI USB-9421 (D-SUB) Device in Millimeters (Inches) Hi- S peed U S B Carrier NI U S B-9162 140.23 mm (5...
© National Instruments Corporation 3 NI USB-9421 User Guide and Specifications Safety Guidelines Operate the NI USB-9421 only as described in these operating instructions. Note Although the NI 9421 module may have more stringent certification standards than the NI USB-9421, when used with the NI USB...
NI USB-9421 User Guide and Specifications 4 ni.com Related Documentation Each application software package and driver includes information about writing applications for taking measurements and controlling measurement devices. The following references to documents assume you have NI-DAQmx 8.7 or lat...
