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Summary of Contents for National Instruments 5174
- Page 1 NI-9423...
- Page 2 GETTING STARTED GUIDE 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 3: Safety Guidelines
Before you begin, complete the software and Note hardware installation procedures in your chassis documentation. 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 4: 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 5 NI 9423 Safety Voltages Connect only voltages that are within the following limits: ............Channel-to-COM 30 V max Isolation ........... Channel-to-channel None Channel-to-earth ground ........... Continuous 250 Vrms, Measurement Category II ........... Withstand 2,300 Vrms, verified by a 5 s dielectric withstand test Measurement Category II is for measurements performed on circuits directly connected to the electrical distribution system.
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Page 6: Safety Guidelines For Hazardous Locations
Class I, Division 2. For Division 2 and Zone 2 applications, Caution install the system in an enclosure rated to at least IP54 as defined by IEC/EN 60079-15. NI 9423 Getting Started Guide | © National Instruments | 5... - Page 7 For Division 2 and Zone 2 applications, Caution connected signals must be within the following limits............Capacitance 0.2 µF max Special Conditions for Hazardous Locations Use in Europe and Internationally The NI 9423 has been evaluated as Ex nA IIC T4 Gc equipment under DEMKO Certificate No.
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Page 8: 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 9: Special Conditions For Marine Applications
Furthermore, any changes or modifications to the product not expressly approved by National Instruments could void your authority to operate it under your local regulatory rules. Special Conditions for Marine Applications Some products are Lloyd’s Register (LR) Type Approved for... -
Page 10: Preparing The Environment
2,000 m Indoor use only. Refer to the device datasheet on ni.com/manuals Note for complete specifications. Connecting the NI 9423 The NI 9423 provides connections for eight digital input channels. NI 9423 Getting Started Guide | © National Instruments | 9... - Page 11 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...
- Page 12 DI. An example of a sourcing-output device is an open collector PNP. Connect the output of the sourcing-output device to DI on the NI 9423. Connect the common of the external device to the COM terminal or pin. NI 9423 Getting Started Guide | © National Instruments | 11...
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Page 13: 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 14: 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 15: Where To Go Next
Where to Go Next CompactRIO NI CompactDAQ 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 16: 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 17 Refer to the NI Trademarks and Logo Guidelines at for information on 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, patents.txt...
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