National Instruments NI 9423 Getting Started Manual Download

Page: 10 / 16

Figure 1.

NI 9423 Pinout

DI0
DI1
DI2
DI3
DI4
DI5
DI6
DI7
NC
COM

0
1
2
3
4
5
6
7
8
9

DI0
DI1
DI2
DI3
DI4
DI5
DI6
DI7
NC
COM

5
6

Note

You must use 2-wire ferrules to create a secure

connection when connecting more than one wire to a
single terminal on the NI 9423.

ni.com

NI 9423 Getting Started Guide

Summary of Contents for NI 9423

Page 1: ...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 i...

Page 2: ...for each component in the system to determine the safety and EMC ratings for the entire system Safety Guidelines Operate the NI 9423 only as described in this document Caution Do not operate the NI 94...

Page 3: ...s Caution Do not mix hazardous voltage circuits and human accessible circuits on the same module Caution Ensure that devices and circuits connected to the module are properly insulated from human cont...

Page 4: ...electric withstand test Measurement Category II is for measurements performed on circuits directly connected to the electrical distribution system This category refers to local level electrical distri...

Page 5: ...idelines may result in serious injury or death Caution Do not disconnect I O side wires or connectors unless power has been switched off or the area is known to be nonhazardous Caution Do not remove m...

Page 6: ...is marked 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...

Page 7: ...uct specifications These requirements and limits provide reasonable protection against harmful interference when the product is operated in the intended operational electromagnetic environment This pr...

Page 8: ...ne shipboard applications To verify Lloyd s Register certification for a product visit ni com certification and search for the LR certificate or look for the Lloyd s Register mark on the product Cauti...

Page 9: ...068 2 2 40 C to 70 C Operating humidity IEC 60068 2 78 10 RH to 90 RH noncondensing Pollution Degree 2 Maximum altitude 2 000 m Indoor use only Note Refer to the device datasheet on ni com manuals for...

Page 10: ...0 3 4 7 0 1 2 3 4 5 6 7 8 9 DI0 DI1 DI2 DI3 DI4 DI5 DI6 DI7 NC COM 0 4 3 2 1 5 6 9 8 7 Note You must use 2 wire ferrules to create a secure connection when connecting more than one wire to a single t...

Page 11: ...terminal or pin DI provides a path to COM for the current or voltage The NI 9423 internally limits current signals connected to DI Connecting Sourcing Output Devices You can connect 2 3 and 4 wire so...

Page 12: ...rent that is in the input ON range to DI The channel registers as OFF when the device applies a voltage or drives a current that is in the input OFF range to DI If no device is connected to DI the cha...

Page 13: ...is subject to high vibration NI recommends that you follow these guidelines to protect connections to the NI 9423 Use ferrules to terminate wires to the detachable connector Use the NI 9927 backshell...

Page 14: ...tware CompactRIO NI CompactDAQ RELATED INFORMATION C Series Documentation Resources ni com info cseriesdoc Services ni com services NI 9423 Datasheet NI RIO Help LabVIEW FPGA Help NI 9423 Datasheet NI...

Page 15: ...al Instruments product Product registration facilitates technical support and ensures that you receive important information updates from NI A Declaration of Conformity DoC is our claim of compliance...

Page 16: ...National Instruments products technology refer to the appropriate location Help Patents in your software the patents txt file on your media or the National Instruments Patent Notice at ni com patents...