National Instruments NI 9148 User manual

OPERATING INSTRUCTIONS AND SPECIFICATIONS
NI 9148
Ethernet Expansion Chassis for C Series Modules
Figure 1. NI 9148 Front Panel
This document describes how to connect the NI 9148 to a network and
how to use the features of the NI 9148. This document also contains
specifications for the NI 9148.
1LEDs
2 RJ-45 Ethernet Port
3 Power Connector
4 DIP Switches
NI 9148
POWER
USER FPGA1
STATUS
SAFE MODE
IP RESET
INPUT
19-30 V
20 W MAX
LINK
10/
100
V
C
NC
C
2
3
4
1

NI 9148 Operating Instructions and Specifications 2 ni.com
Safety Guidelines
Operate the NI 9148 only as described in these operating instructions.
Special Conditions for Marine Applications
Some chassis are Lloyd’s Register (LR) Type Approved for marine
applications. To verify Lloyd’s Register certification, visit ni.com/
certification and search for the LR certificate, or look for the
Lloyd’s Register mark on the chassis.
What You Need to Install the NI 9148 Ethernet
Expansion Chassis
❑NI 9148 Ethernet expansion chassis
❑NI-RIO Software DVD
❑C Series I/O modules
❑DIN rail mount kit (for DIN rail mounting only)
❑Two M4 or number 10 panhead screws (for panel mounting only)
❑A number 2 Phillips screwdriver
❑Power supply
Notes Visit ni.com/info and enter the Info Code rdsoftwareversion to determine
which software you need to use the NI 9148.
The NI 9148 may be shipped with a clear protective film cover on the front panel. You can
remove the film cover before installing the NI 9148.
Mounting the Chassis
You can mount the chassis in any orientation on a 35 mm DIN rail or on
a panel. Use the DIN rail mounting method if you already have a DIN rail
configuration or if you need to be able to quickly remove the chassis.
Use the panel mount method for high shock and vibration applications.

©National Instruments Corporation 3 NI 9148 Operating Instructions and Specifications
Caution Your installation must meet the following requirements for space and cabling
clearance:
• Allow 25.4 mm (1 in.) on the top and the bottom of the chassis for air circulation.
• Allow 50.8 mm (2 in.) in front of modules for cabling clearance for common
connectors, such as the 10-terminal, detachable screw terminal connector, as shown
in Figure 2.
Figure 2. NI 9148, Bottom View with Dimensions
Figure 3. NI 9148, Front View with Dimensions
29 mm
(1.14 in.)
58.9 mm
(2.32 in.)
48.4 mm
(1.91 in.)
3.3mm
(0.13in.)
286.4 mm
(11.28 in.)
Cabling Clearance
50.8 mm (2.00 in.)
87.3mm
(3.44 in.)
165.1 mm
(6.50 in.)
3.1 mm
(0.12 in.)
51.1 mm
(2.04 in.)
36.4 mm
(1.43in.)
19 mm
(0.75 in.)
NI 9148
POWER
USER FPGA1
STATUS
SAFE MODE
IP RESET
INPUT
19-30 V
20 W MAX
LINK
10/
100
V
C
NC
C

NI 9148 Operating Instructions and Specifications 4 ni.com
Figure 4. NI 9148, Side View with Dimensions
The following sections contain instructions for the mounting methods.
Before using any of these mounting methods, record the serial number from
the back of the chassis. You will be unable to read the serial number after
you have mounted the chassis.
Caution Make sure that no I/O modules are in the chassis before mounting it.
Mounting the Chassis on a Panel
You can use the NI 9905 panel mount kit to mount the NI 9148 on a flat
surface. Complete the following steps.
1. Fasten the chassis to the panel mount kit using a number 2 Phillips
screwdriver and two M4 ×16 screws. National Instruments provides
these screws with the panel mount kit. You must use these screws
because they are the correct depth and thread for the panel.
3XM4X0.7
25 mm
(0.98 in.)
44 mm
(1.73in.)
23.7 mm
(0.94 in.)
63.1 mm
(2.48 in.)
44.1 mm
(1.74 in.)

©National Instruments Corporation 5 NI 9148 Operating Instructions and Specifications
Figure 5. Installing the Panel Mount Accessory on the NI 9148
Figure 6. Dimensions of NI 9148 with Panel Mount Accessory Installed
2. Fasten the NI 9905 panel to the wall using the screwdriver and screws
that are appropriate for the wall surface.
Caution Make sure that no I/O modules are in the chassis before removing it from the
panel.
31.8 mm
(1.25 in.)
15.5 mm
(0.61 in.)
9.5 mm
(0.38 in.) 28.1 mm
(1.11 in.)
63.5 mm
(2.50 in.)
88.1 mm
(3.47 in.)
311.2 mm
(12.25 in.)
330.2 mm
(13.00 in.)
NI 9148
POWER
USER FPGA1
STATUS
SAFE MODE
IP RESET
INPUT
19-30 V
20 W MAX
LINK
10/
100
V
C
NC
C

NI 9148 Operating Instructions and Specifications 6 ni.com
Mounting the Chassis on a DIN Rail
You can order the NI 9915 DIN rail mount kit if you want to mount the
chassis on a DIN rail. You need one clip for mounting the chassis on a
standard 35 mm DIN rail. Complete the following steps to mount the
chassis on a DIN rail.
1. Fasten the DIN rail clip to the chassis using a number 2 Phillips
screwdriver and two M4 ×16 screws. National Instruments provides
these screws with the DIN rail mount kit.
Figure 7. Installing the DIN Rail Clip on the NI 9148

©National Instruments Corporation 7 NI 9148 Operating Instructions and Specifications
2. Insert one edge of the DIN rail into the deeper opening of the DIN rail
clip, as shown in Figure 8.
Figure 8. One Edge of the DIN Rail Inserted in a Clip
3. Press down firmly on the chassis to compress the spring until the clip
locks in place on the DIN rail.
Caution Make sure that no I/O modules are in the chassis before removing it from the
DIN rail.
Installing C Series I/O Modules in the Chassis
Figure 9 shows the mechanical dimensions of C Series I/O modules.
Figure 9. C Series I/O Module, Front and Side View with Dimensions
1 DIN Rail Clip 2 DIN Rail Spring 3 DIN Rail
2
1
3
88.1 mm
(3.47 in.)
70.7 mm
(2.78 in.)
22.9 mm
(0.9 in.)

NI 9148 Operating Instructions and Specifications 8 ni.com
Complete the following steps to install a C Series I/O module in the chassis.
1. Make sure that no I/O-side power is connected to the I/O module. If the
system is in a nonhazardous location, the chassis power can be on
when you install I/O modules.
2. Align the I/O module with an I/O module slot in the chassis as shown
in Figure 10. The module slots are labeled 1 to 8, left to right.
Figure 10. Installing an I/O Module in the Chassis
3. Squeeze the latches and insert the I/O module into the module slot.
4. Press firmly on the connector side of the I/O module until the latches
lock the I/O module into place.
5. Repeat these steps to install additional I/O modules.
1 Insertion Groove 2Latch
1
2

©National Instruments Corporation 9 NI 9148 Operating Instructions and Specifications
Removing I/O Modules from the Chassis
Complete the following steps to remove a C Series I/O module from the
chassis.
1. Make sure that no I/O-side power is connected to the I/O module. If the
system is in a nonhazardous location, the chassis power can be on
when you remove I/O modules.
2. Squeeze the latches on both sides of the module and pull the module
out of the chassis.
Connecting the Chassis to a Network
Connect the chassis to an Ethernet network using Ethernet port 1 on the
front panel. Use a standard Category 5 (CAT-5) or better Ethernet cable to
connect the chassis to an Ethernet hub or a computer.
Caution To prevent data loss and to maintain the integrity of your Ethernet installation,
do not use a cable longer than 100 m. If you are using 100 Mbps Ethernet, National
Instruments recommends using a CAT-5 or better shielded twisted-pair Ethernet cable.
If you need to build your own cable, refer to the Cabling section for more
information about Ethernet cable wiring connections.
Note You will configure the IP settings as described in the Configuring IP Settings
section, after connecting power and powering the chassis on.
The host computer communicates with the chassis over a standard Ethernet
connection. If the host computer is on a network, you must configure
the chassis on the same subnet as the host computer. If neither the host
computer nor the chassis is connected to a network, you can connect the
two directly using a crossover cable.
If you want to use the chassis on a subnet other than the one the host
computer is on, first connect the chassis on the same subnet as the host
computer. Use DHCP to assign an IP address or reassign a static IP address
for the subnet where you want it to be and physically move it to the other
subnet.
Wiring Power to the Chassis
The NI 9148 requires an external power supply that meets the
specifications in the Power Requirements section. The NI 9148 filters and
regulates the supplied power and provides power for all of the I/O modules.

NI 9148 Operating Instructions and Specifications 10 ni.com
The NI 9148 has one layer of reverse-voltage protection. Complete the
following steps to connect a power supply to the chassis.
1. Connect the positive lead of the power supply to the V terminal of the
COMBICON connector shipped with the NI 9148, and tighten the
terminal screw. Figure 11 shows the terminal screws, which secure the
wires in the screw terminals, and the connector screws, which secure
the power connector on the controller.
Figure 11. COMBICON Power Connector
2. Connect the negative lead of the power supply to one of the C terminals
of the COMBICON connector.
3. Install the COMBICON connector on the front panel of the NI 9148.
Caution The C terminals are internally connected to each other.
Powering On the NI 9148
When you apply power to the NI 9148, the chassis runs a power-on self test
(POST). During the POST, the Power and Status LEDs turn on. The Status
LED turns off, indicating that the POST is complete. If the LEDs do not
behave in this way when the system powers on, refer to the Understanding
LED Indications section.
Chassis Startup Options
Table 1 lists the startup options available for the NI 9148. These options
determine how the chassis behaves when it starts up in various conditions.
Use the RIO Device Setup utility to select startup options. Access the
RIO Device Setup utility by selecting Start»All Programs»National
Instruments»NI-RIO»RIO Device Setup.
1Terminal Screws 2 Connector Screws
C
NC
C
V
2
1
2

©National Instruments Corporation 11 NI 9148 Operating Instructions and Specifications
Configuring IP Settings
When you power on the NI 9148 for the first time, it boots into safe mode
because there is no software installed on it. This section describes how to
configure the IP settings and install software on the chassis.
Complete the following steps.
1. Launch MAX on the host computer and expand Remote Systems in
the MAX configuration tree. MAX lists the NI 9148 as the model name
of the chassis followed by the serial number, for example,
NI9148-XXXXXXXX.
The chassis automatically attempts to connect to the network using
DHCP. If DHCP is not available, the chassis connects to the network
with a link-local IP address with the form 169.254.x.x.
2. Select the chassis under Remote Systems to see the Network Settings
tab in the middle pane of MAX.
3. Enter a name for the chassis in the Name field.
4. Select settings for the chassis in the IP Settings section, then
click Apply.
Note For information about configuring network settings, refer to the Configuring
Network Settings book of the MAX Remote Systems Help. In MAX, click Help»Help
Topics»Remote Systems. On the Contents tab, browse to LabVIEW Real-Time Target
Configuration»Configuring Network Settings.
5. When you click Apply, you are prompted to reboot the chassis for the
changes to take effect. Click Yes. You can also reboot the chassis by
right-clicking the name under Remote Systems and selecting Reboot.
6. After rebooting, the chassis appears under Remote Systems with the
assigned name. Expand the chassis and select Software.
7. Click Add/Remove Software in the toolbar to launch the LabVIEW
Real-Time Software Wizard.
Table 1. NI 9148 Reset Options
Startup Option Behavior
Do Not Autoload VI Does not load the FPGA bit stream from flash memory.
Autoload VI on device powerup Loads the FPGA bit stream from flash memory to the FPGA
when the chassis powers on.
Autoload VI on device reboot Loads the FPGA bit stream from flash to the FPGA when you
reboot the chassis either with or without cycling power.

NI 9148 Operating Instructions and Specifications 12 ni.com
8. Install the Recommended Software Set that appears in the LabVIEW
Real-Time Software Wizard.
For more information about configuring the chassis in MAX, refer to the
MAX Help.
For information about installing and using LabVIEW FPGA, refer to the
LabVIEW FPGA User Manual.
Configuring DIP Switches
Figure 12. DIP Switches
Both DIP switches are in the OFF position when the chassis is shipped from
National Instruments.
SAFE MODE Switch
Safe mode is for troubleshooting, updating configuration, and installing
software. Keep the SAFE MODE switch in the OFF position during normal
operation. If the switch is in the ON position at startup, the NI 9148
launches only the essential services required for updating configuration and
installing software.
Push the SAFE MODE switch to the ON position if the software on the
chassis is corrupted. Even if the switch is not in the ON position, if there
is no software installed on the chassis, the chassis automatically boots
into safe mode. The SAFE MODE switch must be in the ON position to
reformat the drive on the chassis. Refer to the Measurement & Automation
Explorer Help for more about installing software and reformatting the
drive.
IP RESET Switch
Push the IP RESET switch to the ON position and reboot the chassis
to reset the IP address and other TCP/IP settings of the chassis to the
factory defaults. Refer to the Troubleshooting Network Communication
section for more information about resetting the IP address. You also can
push this switch to the ON position to unlock a chassis that was previously
locked in MAX.
12
SAFE MODE
IP RESET

©National Instruments Corporation 13 NI 9148 Operating Instructions and Specifications
Understanding LED Indications
Figure 13. NI 9148 LEDs
POWER LED
The POWER LED is lit while the NI 9148 is powered on. This LED
indicates that the power supply connected to the chassis is adequate.
USER FPGA1 LED
You can use the USER FPGA LED to help debug your application or easily
retrieve application status. Use the LabVIEW FPGA Module and NI-RIO
software to define the USER FPGA1 LED to meet the needs of your
application. Refer to LabVIEW Help for information about programming
this LED.
STATUS LED
The STATUS LED is off during normal operation. The NI 9148 indicates
specific error conditions by flashing the STATUS LED a certain number of
times every few seconds, as shown in Table 2.
Table 2. Status LED Indications
Number of Flashes Indication
1The chassis is unconfigured. Use MAX to configure the chassis. Refer
to the Measurement & Automation Explorer Help for information about
configuring the chassis.
2The chassis has detected an error in its software. This usually occurs
when an attempt to upgrade the software is interrupted. Reinstall
software on the chassis. Refer to the Measurement & Automation
Explorer Help for information about installing software on the chassis.
3The chassis is in safe mode because the SAFE MODE DIP switch is in
the ON position. Refer to the Configuring DIP Switches section for
information about the SAFE MODE DIP switch.
POWER
USER FPGA1
STATUS

NI 9148 Operating Instructions and Specifications 14 ni.com
Troubleshooting Network Communication
If the NI 9148 cannot communicate with the network, you can perform the
following troubleshooting steps.
1. Move the IP RESET switch to the ON position.
2. Disconnect and reconnect chassis power.
3. Move the IP RESET switch to the OFF position.
4. Configure the IP and other network settings in MAX.
If you are unable to fix network communication with the network settings
restored, you can restore the BIOS network settings of the chassis. Refer to
the Configuring IP Settings section of this document for information about
the BIOS network settings for different chassis revisions. Complete the
following steps to restore the BIOS network settings of the chassis.
1. Move the IP RESET and SAFE MODE switches to the ON position.
2. Disconnect and reconnect chassis power.
3. Move the IP RESET and SAFE MODE switches to the OFF position.
4. Configure the IP and other network settings in MAX.
Note If the chassis is restored to the BIOS network settings, the LabVIEW run-time
engine does not load. You must reconfigure the network settings and restart the chassis for
the LabVIEW run-time engine to load.
4The software has crashed twice without rebooting or cycling power
between crashes. This usually occurs when software on the chassis is
corrupted. Reinstall software on the chassis. Refer to ni.com/
compactrio/start/9148 for information about installing software
on the NI 9148. If the problem persists, contact National Instruments.
Continuous flashing
or solid
The device may be configured for DHCP but unable to get an IP address
because of a problem with the DHCP server. Check the network
connection and try again. If the problem persists, contact National
Instruments.
Table 2. Status LED Indications (Continued)
Number of Flashes Indication

©National Instruments Corporation 15 NI 9148 Operating Instructions and Specifications
Specifications
The following specifications are typical for the –40 to 70 °C operating
temperature range unless otherwise noted.
Network
Network interface................................... 10BaseT and 100BaseTX
Ethernet
Compatibility ......................................... IEEE 802.3
Communication rates ............................. 10 Mbps, 100 Mbps,
auto-negotiated
Maximum cabling distance .................... 100 m/segment
Reconfigurable FPGA
Number of logic cells............................. 46,080
Available embedded RAM..................... 720 kbits
Power Requirements
Caution You must use a UL Listed ITE power supply marked LPS with the NI 9148.
Recommended power supply ................. 48 W, 24 VDC
Power consumption................................ 20 W maximum
Power supply input range....................... 19 to 30 V
Physical Characteristics
If you need to clean the chassis, wipe it with a dry towel.
Screw-terminal wiring............................ 0.5 to 2.5 mm2(24 to 12 AWG)
copper conductor wire with
10 mm (0.39 in.) of insulation
stripped from the end
Torque for screw terminals .................... 0.5 to 0.6 N · m
(4.4 to 5.3 lb · in.)
Weight.................................................... 929 g (32.7 oz)

NI 9148 Operating Instructions and Specifications 16 ni.com
Safety Voltages
Connect only voltages that are within these limits.
V terminal to C terminal.........................35 V max,
Measurement Category I
Measurement Category I is for measurements performed on circuits not
directly connected to the electrical distribution system referred to as
MAINS voltage. MAINS is a hazardous live electrical supply system that
powers equipment. This category is for measurements of voltages from
specially protected secondary circuits. Such voltage measurements include
signal levels, special equipment, limited-energy parts of equipment,
circuits powered by regulated low-voltage sources, and electronics.
Caution Do not connect the system to signals or use for measurements within
Measurement Categories II, III, or IV.
Safety Standards
This product meets the requirements of the following standards of safety
for electrical equipment for measurement, control, and laboratory use:
• EN 61010-1
Electromagnetic Compatibility
This product meets the requirements of the following EMC standards for
electrical equipment for measurement, control, and laboratory use:
• EN 61326 (IEC 61326): Class A emissions; Industrial immunity
• EN 55011 (CISPR 11): Group 1, Class A emissions
• AS/NZS CISPR 11: Group 1, Class A emissions
• FCC 47 CFR Part 15B: Class A emissions
• ICES-001: Class A emissions
Note For the standards applied to assess the EMC of this product, refer to the Online
Product Certification section.
Note For EMC compliance, operate this product according to the documentation.

©National Instruments Corporation 17 NI 9148 Operating Instructions and Specifications
CE Compliance
This product meets the essential requirements of applicable European
Directives as follows:
• 2006/95/EC; Low-Voltage Directive (safety)
• 2004/108/EEC; Electromagnetic Compatibility Directive (EMC)
Online Product Certification
Refer to the Declaration of Conformity (DoC) for this product for
additional regulatory compliance information. To obtain product
certifications and the DoC for this product, visit ni.com/
certification, search by model number or product line, and
click the appropriate link in the Certification column.
Environmental Management
NI is committed to designing and manufacturing products in an
environmentally responsible manner. NI recognizes that eliminating
certain hazardous substances from our products is beneficial to the
environment and to NI customers.
For additional environmental information, refer to the NI and the
Environment Web page at ni.com/environment. This page contains the
environmental regulations and directives with which NI complies, as well
as other environmental information not included in this document.
Waste Electrical and Electronic Equipment (WEEE)
EU Customers At the end of the product life cycle, all products must be sent to a WEEE
recycling center. For more information about WEEE recycling centers, National
Instruments WEEE initiatives, and compliance with WEEE Directive 2002/96/EC on
Waste and Electronic Equipment, visit ni.com/environment/weee.
Battery Replacement and Disposal
Battery Directive This device contains a long-life coin cell battery. If you need to replace
it, use the Return Material Authorization (RMA) process or contact an authorized National
Instruments service representative. For more information about compliance with the
EU Battery Directive 2006/66/EC about Batteries and Accumulators and Waste Batteries
and Accumulators, visit ni.com/environment/batterydirective.
Cd/Hg/Pb
⬉ᄤֵᙃѻક∵ᶧ᥻ࠊㅵ⧚ࡲ⊩ ˄Ё೑
RoHS
˅
Ё೑ᅶ᠋ National Instruments ヺড়Ё೑⬉ᄤֵᙃѻકЁ䰤ࠊՓ⫼ᶤѯ᳝ᆇ⠽䋼ᣛҸ (RoHS)DŽ
݇Ѣ National Instruments Ё೑ RoHS ড়㾘ᗻֵᙃˈ䇋ⱏᔩ ni.com/environment/rohs_chinaDŽ
(For information about China RoHS compliance, go to ni.com/environment/rohs_china.)

NI 9148 Operating Instructions and Specifications 18 ni.com
Environmental
The NI 9148 is intended for indoor use only, but it may be used outdoors if
mounted in a suitably rated enclosure.
Operating temperature
(IEC 60068-2-1, IEC 60068-2-2) ...........–40 to 70 °C
Note To meet this operating temperature range, follow the guidelines in the installation
instructions for your system.
Storage temperature
(IEC 60068-2-1, IEC 60068-2-2) ...........–40 to 85 °C
Ingress protection ...................................IP 40
Operating humidity
(IEC 60068-2-56) ...................................10 to 90% RH, noncondensing
Storage humidity
(IEC 60068-2-56) ...................................5 to 95% RH, noncondensing
Maximum altitude...................................2,000 m
Pollution Degree (IEC 60664)................2
Indoor use only
Shock and Vibration
To meet these specifications, you must panel mount the chassis and affix
ferrules to the ends of the power terminal wires.
Operating shock
(IEC 60068-2-27) ...................................30 g, 11 ms half sine
50 g, 3 ms half sine,
18 shocks at 6 orientations
Operating vibration, random
(IEC 60068-2-64) ...................................5 grms, 10 to 500 Hz
Operating vibration, sinusoidal
(IEC 60068-2-6) .....................................5 g, 10 to 500 Hz

©National Instruments Corporation 19 NI 9148 Operating Instructions and Specifications
Cabling
Table 3 shows the standard Ethernet cable wiring connections for both
normal and crossover cables.
Figure 14. Ethernet Connector Pinout
Table 3. Ethernet Cable Wiring Connections
Pin Connector 1
Connector 2
(Normal)
Connector 2
(Crossover)
1white/orange white/orange white/green
2orange orange green
3white/green white/green white/orange
4 blue blue blue
5white/blue white/blue white/blue
6green green orange
7white/brown white/brown white/brown
8brown brown brown
C
onnector 1
C
onnector 2
Pin 1 Pin 1 Pin 8Pin 8

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logo are trademarks of National Instruments Corporation. Refer to the Trademark Information at
ni.com/trademarks for other 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, the patents.txt file on your media, or the National Instruments Patent Notice
at ni.com/patents.
© 2010 National Instruments Corporation. All rights reserved. 375519A-01 Jul10
Where to Go for Support
The National Instruments Web site is your complete resource for technical
support. At ni.com/support you have access to everything from
troubleshooting and application development self-help resources to email
and phone assistance from NI Application Engineers.
National Instruments corporate headquarters is located at
11500 North Mopac Expressway, Austin, Texas, 78759-3504.
National Instruments also has offices located around the world to help
address your support needs. For telephone support in the United States,
create your service request at ni.com/support and follow the calling
instructions or dial 512 795 8248. For telephone support outside the United
States, contact your local branch office:
Australia 1800 300 800, Austria 43 662 457990-0,
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