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INSTALLATION GUIDE AND SPECIFICATIONS
NI 9919
Shielded Rack-Mount Enclosure for CompactRIO and NI CompactDAQ
This document explains how to set up and install the National Instruments 9919 rack-mount
enclosure.
Caution
claims for the NI 9919. The end user is responsible for conformity to any and all
compliance requirements.
Caution
guide. Product misuse can result in a hazard. You can compromise the safety
protection built into the product if the product is damaged in any way. If the product
is damaged, return it to National Instruments for repair.
Caution
the NI 9919. The other components in the system might not meet the same
specifications. Refer to the documentation for each component in the system to
determine the safety ratings and specifications for the entire system.
Caution
to the earth ground terminal (protective earth). The earth safety ground must be
connected during use of this equipment to minimize shock hazards refer to the
Connecting Safety Ground
Before You Begin
to find installation and grounding instructions specific to your devices.
National Instruments makes no product safety or CE marking compliance
Do not operate or install the NI 9919 in a manner not specified in this
The safety guidelines and specifications in this document are specific to
The NI 9919 requires a connection from the premise wire safety ground
section for instructions on connecting safety ground.
Refer to the documentation for your chassis and power supply
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Summary of Contents for National Instruments NI 9919
- Page 1 National Instruments makes no product safety or CE marking compliance Caution claims for the NI 9919. The end user is responsible for conformity to any and all compliance requirements. Do not operate or install the NI 9919 in a manner not specified in this Caution guide.
- Page 2 Power Indicator LED 11 GPS Connector (TNC Style) Optional Touchscreen Display 12 Fuse Holder USB Port 13 Power Connector with Backshell Rack Mount Rails 14 Earth Ground Terminal (Protective Earth) 2 | ni.com | NI 9919 Installation Guide and Specifications...
- Page 3 Safety Guidelines for High Voltage If you are installing high-voltage devices in the NI 9919, take the following precautions. The NI 9919 has a high-voltage label on the inside of the back panel as shown in Figure 2. Figure 2. NI 9919 High-Voltage Label...
- Page 4 The NI 9919 must be installed in a secure enclosure or a rack which is Caution accessible only by the use of a tool, as shown in Figure 4. A main input power switch or circuit-breaker must be included in the Caution installation as shown in Figure 4.
- Page 5 Accessing the NI 9919 The NI 9919 has a back panel that opens and removable top and bottom panels for accessibility. Ensure that installation and maintenance are performed only by qualified Caution personnel. Opening the Back Panel Complete the following steps to open the back panel of the NI 9919.
- Page 6 Unscrew the 8 mounting screws for the panel. Remove the panel from the NI 9919 enclosure. NI 9919 Assembly Screws The NI 9919 comes with 17 screws for assembly. Refer to Table 1 for screw descriptions. Table 1. NI 9919 Screw Descriptions Screw Use...
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Page 7: Installing The Front Panel
Install the optional touchscreen display using the four screws included. Install the optional touchscreen display power board using the four screws and four standoffs included. Install the front panel using the four front panel mounting screws. NI 9919 Installation Guide and Specifications | © National Instruments | 7... - Page 8 Installing the NI 9919 Rack Mount Handles Complete the following steps to install the NI 9919 rack mount handles. Figure 8. Installing the Rack Mount Handles Align the handle and handle mounting screws. Tighten the handle into place. 8 | ni.com | NI 9919 Installation Guide and Specifications...
- Page 9 Install the fuse insert in the fuse holder. The NI 9919 fuse holder supports two different fuse sizes. Use the appropriate fuse insert listed in Table 2 for the size of fuse you want to use. Use the fuse size that is appropriate for your application.
- Page 10 Mounting the Chassis Directly to the NI 9919 The NI 9919 supports five mounting hole configurations that correspond to various NI chassis. Table 3 shows the dimensions of the five mounting hole configurations. Visit ni.com/info and enter for a complete list of chassis the NI 9919 supports.
- Page 11 Mounting a Power Supply in the NI 9919 The NI 9919 supports the panel mount method for an NI PS-14/15 power supply. Use the mounting holes shown in Figure 10 and the four power supply mounting screws to panel mount your power supply.
-
Page 12: Connecting Safety Ground
Attach a ring lug to a green or green/yellow wire that is 2.58 mm (10 AWG) or larger. Remove the grounding nut from the safety ground terminal on the rear panel of the NI 9919. Attach the ring lug to the safety ground terminal. - Page 13 Grounding the Chassis and Power Supply NI requires that you connect the chassis and power supply in the NI 9919 to the internal ground screws shown in Figure 12. You can use any internal ground screw to ground the power supply and chassis.
- Page 14 Wiring Power Connections to the NI 9919 The NI 9919 provides a power connector with backshell and a safety ground terminal, as shown in Figure 13. Connect neutral and line to the N and L terminals on the power connector and the ground to the safety ground terminal.
- Page 15 Connecting Custom Cables to the NI 9919 The NI 9919 has nine, eight-position barrier strip connectors on the rear panel for I/O connections. When connecting cables to the barrier strips, use ring or spade lugs to connect to the #8 stud for outside connections and 0.25 in.
- Page 16 Figure 15. Using the middle mounting positions on the rack mount rails is optional. When placing the NI 9919 in a rack, avoid placing the enclosure above a heat source, as rising heat can affect the operating temperature.
-
Page 17: Specifications
Specifications This section provides specifications for the NI 9919. Physical Characteristics If you need to clean the NI 9919, wipe it with a dry towel or a soft-bristle brush. Weight............... 12.27 kg (27.05 lb) NI 9919 material..........Cold rolled steel Finish .............. -
Page 18: Environmental Management
The NI 9919 operating temperature assumes the NI 9919 is housing a CompactRIO cRIO-9068 with eight C Series modules installed and an NI PS-15 power supply. NI recommends that you verify the operating temperature of the NI 9919 when using other hardware configurations. -
Page 19: Worldwide Support And Services
NI. National Instruments corporate headquarters is located at 11500 North Mopac Expressway, Austin, Texas, 78759-3504. National Instruments also has offices located around the world. For telephone support in the United States, create your service request at or dial ni.com/support... - Page 20 NI product. Refer to the Export Compliance Information at ni.com/legal/export-compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data. NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS.
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