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Related Manuals for National Instruments NI 9423
Summary of Contents for National Instruments NI 9423
- Page 1 NI 9423 8-Channel Sinking Digital Input Module This document explains how to connect to the NI 9423. In this document, the NI 9423 with screw terminal and the NI 9423 with spring terminal are referred to inclusively as the NI 9423.
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Page 2: Safety Guidelines
The guidelines in this document are specific to Note the NI 9423. The other components in the system might not meet the same safety ratings. Refer to the documentation for each component in the system to determine the safety and EMC ratings for the entire system. -
Page 3: Safety Guidelines For Hazardous Voltages
You must use the NI 9932 connector backshell kit to ensure that the terminals are not accessible. NI 9423 Getting Started Guide | © National Instruments | 3... -
Page 4: Ni 9423 Safety Voltages
This category refers to local-level electrical distribution, such as that provided by a standard wall outlet, for example, 115 V for U.S. or 230 V for Europe. Do not connect the NI 9423 to signals or use Caution for measurements within Measurement Categories III or IV. -
Page 5: Safety Guidelines For Hazardous Locations
Safety Guidelines for Hazardous Locations The NI 9423 is suitable for use in Class I, Division 2, Groups A, B, C, D, T4 hazardous locations; Class I, Zone 2, AEx nA IIC T4 and Ex nA IIC T4 hazardous locations; and nonhazardous locations only. - Page 6 II 3G and is suitable for use in Zone 2 hazardous locations, in ambient temperatures of -40 °C ≤ Ta ≤ 70 °C. If you are using the NI 9423 in Gas Group IIC hazardous locations, you must use the device in an NI chassis that has been evaluated as Ex nC IIC T4, Ex IIC T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.
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Page 7: Electromagnetic Compatibility Guidelines
To minimize interference with radio and television reception and prevent unacceptable performance degradation, install and use this NI 9423 Getting Started Guide | © National Instruments | 7... -
Page 8: Special Conditions For Marine Applications
In addition, take precautions when designing, selecting, and installing measurement probes and cables to ensure that the desired EMC performance is attained. 8 | ni.com | NI 9423 Getting Started Guide... -
Page 9: Preparing The Environment
Preparing the Environment Ensure that the environment in which you are using the NI 9423 meets the following specifications............Operating temperature -40 °C to 70 °C (IEC 60068-2-1, IEC 60068-2-2) ............Operating humidity 10% RH to 90% RH, (IEC 60068-2-78) noncondensing ............ - Page 10 Figure 1. NI 9423 Pinout You must use 2-wire ferrules to create a secure Note connection when connecting more than one wire to a single terminal on the NI 9423. 10 | ni.com | NI 9423 Getting Started Guide...
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Page 11: Connecting Sourcing-Output Devices
NI 9423 Signals Each channel of the NI 9423 has a DI terminal or pin to which you can connect voltage or current signals. The NI 9423 also has COM, a common terminal or pin that is internally connected to the isolated ground reference of the module. -
Page 12: Led Indications
Figure 2. Connecting a Device to the NI 9423 (3-Wire Device Shown) Sourcing-Output Device External Power Supply – NI 9421/9423 The NI 9423 channel registers as ON when the sourcing-output device applies a voltage or drives a current that is in the input ON range to DI. -
Page 13: High-Vibration Application Connections
• Use ferrules to terminate wires to the detachable connector. • Use the NI 9927 backshell kit with the NI 9423 with screw terminal or the NI 9981 backshell kit with the NI 9423 with spring terminal. NI 9423 Getting Started Guide | © National Instruments | 13... -
Page 14: Where To Go Next
NI 9423 Datasheet NI 9423 Datasheet NI-RIO Help NI-DAQmx Help LabVIEW FPGA Help LabVIEW Help RELATED INFORMATION C Series Documentation Services & Resources ni.com/services ni.com/info cseriesdoc Located at ni.com/manuals Installs with the software 14 | ni.com | NI 9423 Getting Started Guide... -
Page 15: Worldwide Support And Services
You can obtain the DoC for your product by visiting ni.com/certification. If your product supports calibration, you can obtain the calibration certificate for your product at ni.com/calibration. NI 9423 Getting Started Guide | © National Instruments | 15... - Page 16 Refer to the NI Trademarks and Logo Guidelines at for information on ni.com/trademarks National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products/technology, refer to the appropriate location: Help»Patents in your software, file on your media, or the National Instruments Patent Notice at patents.txt...
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