National Instruments cRIO-9033 User manual

USER MANUAL
NI cRIO-9033
Embedded CompactRIO Controller with Real-Time Processor and
Reconfigurable FPGA
This document describes the features of the National Instruments cRIO-9033 and contains
information about mounting and operating the device.
USB 2.0
Host Port
USB 2.0
Device Port
2 GB DDR3L
RJ-50
RS-232
Serial Port
RJ-50
RS-485/422 (DTE)
Serial Port
SD Card
Slot
Intel Atom
E3825 1.33 GHz Dual-Core
System-On-Chip
++
Xilinx
Kintex-7 FPGA
7K160T
++
RJ-45 Gigabit
Ethernet Port 2
RJ-45 Gigabit
Ethernet Port 1
8 GB SATA
Disk-On-Chip
cRIO-9033
Hardware
Data
C Series
Module
C Series
Module
Mini
DisplayPort
USB 2.0
Host Port
Watchdog

Contents
Configuring the cRIO-9033...................................................................................................... 2
Connecting the cRIO-9033 to the Host Computer or Network Using Ethernet............... 3
Configuring Startup Options.............................................................................................4
cRIO-9033 Features.................................................................................................................. 6
Ports and Connectors........................................................................................................ 6
Buttons............................................................................................................................ 14
LEDs............................................................................................................................... 16
Chassis Grounding Screw............................................................................................... 20
Internal Real-Time Clock................................................................................................20
CMOS Battery.................................................................................................................21
File System......................................................................................................................21
Installing the Module Immobilization Accessory...................................................................21
Module Immobilization Accessory Dimensions.............................................................23
Mounting the Device...............................................................................................................24
Dimensions......................................................................................................................25
Mounting Requirements..................................................................................................25
Ambient Temperature......................................................................................................26
Mounting the Device Directly on a Flat Surface............................................................ 27
Mounting the cRIO-9033 on a Panel.............................................................................. 29
Mounting the cRIO-9033 on a DIN Rail........................................................................ 30
Mounting the Device on a Rack......................................................................................32
Mounting the Device on a Desktop.................................................................................32
BIOS Configuration................................................................................................................ 33
Resetting the System CMOS and BIOS Settings............................................................33
Power-On Self Test Warning Messages.......................................................................... 34
BIOS Setup Utility.......................................................................................................... 34
Main Setup Menu............................................................................................................35
Advanced Setup Menu.................................................................................................... 36
Boot Setup Menu............................................................................................................ 37
Save & Exit Menu...........................................................................................................39
Worldwide Support and Services............................................................................................ 40
Configuring the cRIO-9033
You can connect the cRIO-9033 to a host computer or network and configure the startup
options using the USB device port or the RJ-45 Gigabit Ethernet port 1 or port 2.
Tip Refer to the getting started guide on ni.com/manuals for basic configuration
instructions and information about connecting to a host computer using the USB
device port. NI recommends using the USB device port for configuration, debug,
and maintenance.
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Connecting the cRIO-9033 to the Host Computer or
Network Using Ethernet
Complete the following steps to connect the cRIO-9033 to a host computer or Ethernet
network using the RJ-45 Gigabit Ethernet port 1. NI recommends using the RJ-45 Gigabit
Ethernet port 1 for communication with deployed systems.
Note You can configure the RJ-45 Gigabit Ethernet port 2 in Measurement &
Automation Explorer (MAX) under the Network Settings tab.
1. Power on the host computer or Ethernet hub.
2. Connect the RJ-45 Gigabit Ethernet port 1 on the cRIO-9033 to the host computer or
Ethernet hub using a standard Category 5 (CAT-5) or better shielded, twisted-pair
Ethernet cable.
Caution To prevent data loss and to maintain the integrity of your Ethernet
installation, do not use a cable longer than 100 m (328 ft).
The cRIO-9033 attempts to initiate a DHCP network connection the first time you
connect using Ethernet. The cRIO-9033 connects to the network with a link-local IP
address with the form 169.254.x.x if it is unable to initiate a DHCP connection.
Finding the cRIO-9033 on the Network (DHCP)
Complete the following steps to find the cRIO-9033 on a network using DHCP.
1. Disable secondary network interfaces on the host computer, such as a wireless access
card on a laptop.
2. Ensure that any anti-virus and firewall software running on the host computer allows
connections to the host computer.
Note MAX uses UDP 44525. Refer to the documentation of your firewall
software for information about configuring the firewall to allow communication
through the UDP 44525.
3. Launch MAX on the host computer.
4. Expand Remote Systems in the configuration tree and locate your system.
Tip MAX lists the system under the model number followed by the serial
number, such as NI-cRIO-9033-1856AAA.
Finding the cRIO-9033 on the Network (Static IP)
Complete the following steps to find the cRIO-9033 on the network if the host computer is
using a static IP address. The following instructions are for host computers running
Windows 7. For more information about performing the network configuration steps in this
section, visit www.microsoft.com and search for change tcp/ip settings.
1. Obtain IP settings from the host computer.
a) Click Start»Control Panel»Network and Sharing Center.
b) Select the primary network connection, which may appear as Local Area
Connection or something similar.
NI cRIO-9033 User Manual | © National Instruments | 3

c) In the dialog box that appears, click Properties.
d) Select Internet Protocol Version 4 (TCP/IPv4).
e) Click Properties.
f) Record the IP address, Subnet mask, and Default gateway address. You need
these settings to configure the network settings of the cRIO-9033 and to restore the
network settings of the host computer.
Tip You can also access these settings by opening the Start menu,
entering cmd.exe, and entering ipconfig in the command window that
launches.
g) Wait at least one minute.
2. Configure IP Settings on the controller in MAX.
a) Launch MAX on the host computer.
b) Expand Remote Systems in the configuration tree and locate your system.
Tip MAX lists the system under the model number followed by the serial
number, such as NI-cRIO-9033-1856AAA.
c) Select the Network Settings tab near the bottom of the window.
d) Select Static on the Configure IPv4 Address control.
e) Enter values for IPv4 Address, Subnet Mask, Gateway, and DNS Server based on
the information you recorded. Be sure to enter a value for IPv4 Address that is not
used by another device on the network. For example, do not use the IP address
usually assigned to the host computer.
f) Click Save and let MAX restart the cRIO-9033. The cRIO-9033 disappears from
under Remote Systems and does not reappear until you restore the original network
settings to the host computer.
g) Restore the original network settings to the host computer.
h) Return to MAX and refresh Remote Systems.
Configuring Startup Options
Complete the following steps to configure the cRIO-9033 startup options in MAX.
1. In MAX, expand your system under Remote Systems.
2. Select the Startup Settings tab to configure the startup settings.
cRIO-9033 Startup Options
You can configure the following cRIO-9033 startup options.
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Table 1. cRIO-9033 Startup Options
Startup Option Description
Force Safe Mode Rebooting the cRIO-9033 with this setting on starts the cRIO-9033
without launching LabVIEW Real-Time or any startup applications. In
safe mode, the cRIO-9033 launches only the services necessary for
updating configuration and installing software.
Enable Console
Out
Rebooting the cRIO-9033 with this setting on redirects the console output
to the RS-232 serial port. You can use a serial-port terminal program to
read the IP address and firmware version of the cRIO-9033. Use a null-
modem cable to connect the RS-232 serial port to a computer. Make sure
that the serial-port terminal program is configured to the following
settings:
• 115,200 bits per second
• Eight data bits
• No parity
• One stop bit
• No flow control
Disable RT
Startup App
Rebooting the cRIO-9033 with this setting on prevents any LabVIEW
startup applications from running.
Disable FPGA
Startup App
Rebooting the cRIO-9033 with this setting on prevents autoloading of any
FPGA application.
Enable Secure
Shell (SSH)
Logins
Rebooting the cRIO-9033 with this setting on starts sshd on the
cRIO-9033. Starting sshd enables logins over SSH, an encrypted
communication protocol.
Note Visit ni.com/info and enter the Info Code openssh for
more information about SSH.
LabVIEW
Project Access
Rebooting the cRIO-9033 with this setting on enables you to add the
target to a LabVIEW project.
Enable
Embedded UI
Rebooting the cRIO-9033 with this setting on enables the embedded UI,
which allows you to interact with the front panels of VIs running on the
cRIO-9033 using input and display devices connected directly to the
cRIO-9033. You can also browse and edit files on the cRIO-9033 within a
graphical working environment. For more information, refer to the Using
the Embedded UI to Access RT Target VIs topic in the LabVIEW Help.
NI cRIO-9033 User Manual | © National Instruments | 5

cRIO-9033 Features
The cRIO-9033 provides the following features.
Ports and Connectors
The cRIO-9033 provides the following ports and connectors.
Figure 1. cRIO-9033 Ports and Connectors
1 2
3
456
8
7
1. RJ-45 Gigabit Ethernet Ports
2. Power Connector
3. SD Card Removable Storage
4. RS-232 Serial Port
5. RS-485/422 (DTE) Serial Port
6. Mini DisplayPort
7. USB Host Ports
8. USB Device Port
RJ-45 Gigabit Ethernet Ports
The cRIO-9033 has two tri-speed RJ-45 Gigabit Ethernet ports. By default, both Ethernet ports
are enabled and configured to obtain an IP address automatically. The Ethernet ports can be
configured in MAX.
The following table shows the pinout for the RJ-45 Gigabit Ethernet ports.
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Table 2. RJ-45 Gigabit Ethernet Port Pinout
Fast Ethernet Signal Gigabit Ethernet Signal Pin Pinout
TX+ TX_A+ 1
1
2
3
4
5
6
7
8
TX- TX_A- 2
RX+ RX_B+ 3
No Connect TX_C+ 4
No Connect TX_C- 5
RX- RX_B- 6
No Connect RX_D+ 7
No Connect RX_D- 8
Note Both Ethernet ports perform automatic crossover configuration so you do not
need to use a crossover cable to connect to a host computer.
The following NI Ethernet cables are available for the cRIO-9033.
Table 3. RJ-45 Gigabit Ethernet Cables
Cables Length Part Number
CAT-5E Ethernet Cable, shielded 2 m 151733-02
5 m 151733-05
10 m 151733-10
Related Information
Ethernet LED Indicators on page 19
Power Connector
The cRIO-9033 has a power connector to which you can connect a primary and secondary
power supply. The following table shows the pinout for the power connector.
NI cRIO-9033 User Manual | © National Instruments | 7

Table 4. Power Connector Pinout
Pinout Pin Description
V1
C
V2
C
V1 Primary power input
C Common
V2 Secondary power input
C Common
Caution The C terminals are internally connected to each other, but are not
connected to chassis ground. This isolation is intended to prevent ground loops and
does not meet UL ratings for safety isolation. You can connect the C terminals to
chassis ground externally. Refer to the specifications on ni.com/manuals for
information about the power supply input range and maximum voltage from
terminal to chassis ground.
If you apply power to both the V1 and V2 inputs, the cRIO-9033 operates from the V1 input.
If the input voltage to V1 is insufficient, the cRIO-9033 operates from the V2 input.
The cRIO-9033 has reverse-voltage protection.
The following NI power supplies and accessories are available for the cRIO-9033.
Table 5. Power Accessories
Accessory Part Number
NI PS-15 Power Supply, 24 VDC, 5 A, 100-120/200-240 VAC Input 781093-01
NI PS-10 Desktop Power Supply, 24 VDC, 5 A, 100-120/200-240 VAC Input 782698-01
4-Position Gold Power Supply Plugs (Quantity 5) 783529-01
NI 9979 Strain Relief for 4-Position Power Connector 196939-01
Related Information
POWER LED Indicators on page 17
SD Card Removable Storage
The cRIO-9033 provides an SD card slot that can read from and write to NI-approved SD
cards.
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Caution You must use the SD card slot cover to protect the SD card in hazardous
locations.
Caution Do not insert or remove SD cards unless power has been switched off or
the area is known to be nonhazardous.
Note Using SD cards that are not approved by NI might invalidate specifications
and result in unreliable performance.
The following accessories are available for the SD card slot.
Table 6. cRIO-9033 SD Storage Accessories
SD Card Capacity Part Number
SD Industrial Storage Card 16 GB 783658-01
32 GB 783659-01
SD Door (x3) — 783660-01
Related Information
File System on page 21
SD Card Slot Cover
You must use the SD card slot cover to protect the SD card in hazardous locations. Do not
remove an SD card while either LED is flashing or lit because file corruption may result.
Note Screw the slot cover closed completely. Tighten the captive screws to a
maximum torque of 0.75 N · m (6.7 lb · in.) using a #1 Phillips screwdriver. Do not
overtighten.
RS-232 Serial Port
The cRIO-9033 has an RS-232 serial port that is implemented with an RJ-50, 10-position
modular jack to which you can connect devices such as displays or input devices. Use the
Serial VIs to read from and write to the serial port. Refer to the LabVIEW Help for information
about the Serial VIs.
Find examples on how to use NI-Serial or NI-VISA to perform serial communication in the
NI Example Finder. The NI Example Finder is located on the Help menu in the LabVIEW
Help.
Note The RS-232 serial port cannot be accessed by the user application when the
Console Out startup option is enabled.
The following table shows the pinout for the RS-232 serial port.
NI cRIO-9033 User Manual | © National Instruments | 9

Table 7. RS-232 Serial Port Pinout
Pinout Pin Signal
3
4
5
6
7
8
9
10
1
2
1 No Connect
2 RI
3 CTS
4 RTS
5 DSR
6 GND
7 DTR
8 TXD
9 RXD
10 DCD
You can use the Ring Indicator (RI) on pin 2 to wake the controller from a low-power state.
You can drive RI with a logic level high to wake the cRIO-9033. Refer to the specifications on
ni.com/manuals for the RI wake voltage.
The following accessories are available to connect the RS-232 serial port to a 9-pin DSUB
plug.
Table 8. RS-232 Serial Port Accessories
Accessory Length Part Number
RS-232, S8 Serial Cable, 10-Position Modular Plug to 9-Pin DSUB 1 m 182845-01
2 m 182845-02
3 m 182845-03
RS-485/422 (DTE) Serial Port
The cRIO-9033 has an RS-485/422 (DTE) serial port that is implemented with an RJ-50,
10-position modular jack. The RJ-50 connector is isolated from the cRIO-9033. For more
information about the electrical isolation of the RS-485/422 (DTE) port, refer to the
specifications on ni.com/manuals.
Find examples on how to use NI-Serial or NI-VISA to perform serial communication in the
NI Example Finder. The NI Example Finder is located on the Help menu in the LabVIEW
Help.
The following table shows the pinout for the RS-485/422 (DTE) serial port.
10 | ni.com | NI cRIO-9033 User Manual

Table 9. RS-485/422 (DTE) Serial Port Pinout
Pinout Pin Signal
3
4
5
6
7
8
9
10
1
2
1 No Connect
2 TXD-
3 TXD+
4 No Connect
5 No Connect
6 RXD-
7 RXD+
8 No Connect
9 No Connect
10 Isolated GND
The following accessory is available to connect the RS-485/422 (DTE) serial port to a 9-pin
DSUB plug.
Caution To ensure the specified EMC performance, you must use an isolated cable
with the RS-485/422 (DTE) serial port. The following accessory meets this
requirement.
Table 10. RS-485/422 (DTE) Serial Port Accessory
Accessory Length Part Number
RS-485, S8 Serial Cable, 10-Position Modular Plug to 9-Pin DSUB
(Isolated)
1 m 184428-01
Mini DisplayPort
Use the Mini DisplayPort to connect a monitor and implement a local HMI. You can use a
single real-time VI to interactively develop both your user interface and system logic. For
more information, refer to the Using the Embedded UI to Access RT Target VIs topic in the
LabVIEW Help.
Caution Do not hot-swap Mini DisplayPort devices while the cRIO-9033 is in a
hazardous location or connected to high voltages.
The following table shows the pinout for the Mini DisplayPort.
NI cRIO-9033 User Manual | © National Instruments | 11

Table 11. Mini DisplayPort Pinout
Signal Pin Pinout Pin Signal
DP_PWR 20
19
17
15
13
11
9
7
5
3
1
20
18
16
14
12
10
8
6
4
2
19 GND
AUX_CH(n) 18 17 ML_Lane2(n)
AUX_CH(p) 16 15 ML_Lane2(p)
GND 14 13 GND
ML_Lane3(n) 12 11 ML_Lane1(n)
ML_Lane3(p) 10 9 ML_Lane1(p)
GND 8 7 GND
CONFIG2 6 5 ML_Lane0(n)
CONFIG1 4 3 ML_Lane0(p)
Hot Plug 2 1 GND
The following adapters are available to connect the Mini DisplayPort to full-size DisplayPort,
VGA, or DVI. The cRIO-9033 only supports DVI single link. Refer to the cRIO-9033 pricing
page on ni.com for a complete list of cables and accessories.
Table 12. Mini DisplayPort Accessories
Accessory Length Part Number
Mini DisplayPort to Full DisplayPort Native Cable 0.5 m 157232-0R5
1 m 157232-01
2 m 157232-02
Mini DisplayPort to VGA Adapter Cable 0.5 m 157230-0R5
Mini DisplayPort to DVI Adapter Cable 0.5 m 157231-0R5
Mini DisplayPort Retention Accessory — 156866-01
USB Host Ports
The USB host ports on the cRIO-9033 support common USB mass-storage devices such as
USB Flash drives, USB-to-IDE adapters, keyboards, mice, and USB cameras.
Caution Do not hot-swap USB devices while the cRIO-9033 is in a hazardous
location or connected to high voltages. If the cRIO-9033 is not in a hazardous
location, you can connect and disconnect USB devices without affecting operation.
The following table shows the pinout for the USB host ports.
12 | ni.com | NI cRIO-9033 User Manual

Table 13. USB Host Port Pinout
Pinout Pin Signal Description
1
42
3
1 VCC Cable power (5 V)
2 D- USB data-
3 D+ USB data+
4 GND Ground
The following NI cable is available for the cRIO-9033.
Table 14. USB Host Port Cable
Cable Length Part Number
USB Extension with Retention, Type A Connectors 0.5 m 152166-0R5
2 m 152166-02
Related Information
File System on page 21
Installing a Ferrite on the USB Cables
You must install a ferrite around all USB cables connected to the USB host ports to ensure that
the cRIO-9033 meets all EMC standards applicable to your country.
What to Use
• Ferrite (711849-01), included with the cRIO-9033
• USB cables
What to Do
Install the ferrite on the USB cables, as shown in the following figure.
Figure 2. Installing a Ferrite on the USB Cables
2
1
NI cRIO-9033 User Manual | © National Instruments | 13

1. Pass the cables through the ferrite, leaving 50 mm to 75 mm (2 in. to 3 in.) between the
ferrite and the end of the cables. The ferrite can accommodate up to two USB cables
depending on the diameter of each cable.
2. Close the ferrite around the cables.
USB Device Port
The cRIO-9033 USB device port is intended for device configuration, application deployment,
debugging, and maintenance. For example, you can use the USB device port to install software
or driver updates during field maintenance instead of interrupting communication on the RJ-45
Ethernet ports.
Caution Do not hot-swap USB devices while the cRIO-9033 is in a hazardous
location or connected to high voltages. If the cRIO-9033 is not in a hazardous
location, you can connect and disconnect USB devices without affecting operation.
The following table shows the pinout for the USB device port.
Description Signal Pin Pinout Pin Signal Description
USB data+ D+ 3
1
4
2
3
2 D- USB data-
Ground GND 4 1 VCC Cable power (5 V)
The following NI cable is available for the cRIO-9033.
Table 15. USB Device Port Cable
Cable Length Part Number
NI Locking USB Cable 1 m 157788-01
Buttons
The cRIO-9033 provides the following buttons.
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Figure 3. cRIO-9033 Buttons
1
2
34
1. Power Button
2. RESET Button
3. USER1 Button
4. CMOS Reset Button
Power Button
The default behavior for the cRIO-9033 is to power on when you apply power to the controller
and power off when you press and release the power button. The behavior of the power button
can be configured in the BIOS.
If the cRIO-9033 becomes unresponsive, you can power it off by holding the power button for
4 seconds.
Related Information
Power/Wake Configuration Submenu on page 36
RESET Button
Press the RESET button to reset the processor in the same manner as cycling power.
Troubleshooting Network Connectivity
You can use the RESET button to troubleshoot network connectivity.
Complete the following steps to reset the network adapters to default settings.
1. Hold the RESET button for 5 seconds, and then release it to boot the controller in safe
mode and enable Console Out.
2. Hold the RESET button again for 5 seconds to boot the controller into safe mode, enable
Console Out, and reset network adapters to default settings.
System Reset
The following figure shows the reset behavior of the cRIO-9033.
NI cRIO-9033 User Manual | © National Instruments | 15

Figure 4. Reset Button Behavior
Press and hold RESET button for ≥5 s
Press and hold RESET button for <5 s
Run Mode
Safe Mode
Press and hold RESET button for <5 s
Press and hold RESET button for ≥5 s
Press and hold
RESET button for ≥5 s
Press and hold
RESET button for <5 s
• Console Out enabled
• Network settings reset
• RT Startup App disabled
• FPGA Startup App disabled
• Console Out enabled
• RT Startup App disabled
• FPGA Startup App disabled
Safe Mode
USER1 Button
The cRIO-9033 has a general-purpose USER1 button that is user-defined. You can read the
state of the USER1 button from your LabVIEW FPGA application.
CMOS Reset Button
The cRIO-9033 has a CMOS reset button that you can use to reset the CMOS and the BIOS.
LEDs
The cRIO-9033 provides the following LEDs.
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Figure 5. cRIO-9033 LEDs
5
41 2 3
6
1. POWER LED
2. STATUS LED
3. USER1 LED
4. USER FPGA1 LED
5. Gigabit Ethernet LEDs
6. SD LEDs
POWER LED Indicators
The following table lists the POWER LED indicators.
Table 16. POWER LED Indicators
LED Color LED Pattern Indication
Green Solid The cRIO-9033 is powered from the V1 input.
Yellow Solid The cRIO-9033 is powered from the V2 input.
— Off The cRIO-9033 is powered off.
STATUS LED Indicators
The following table describes the STATUS LED indicators.
NI cRIO-9033 User Manual | © National Instruments | 17

Table 17. STATUS LED Indicators
LED
Color
LED Pattern Indication
Yellow Blinks twice and
pauses
The cRIO-9033 is in safe mode. Software is not installed,
which is the factory default state, or software has been
improperly installed on the cRIO-9033.
An error can occur when an attempt to upgrade the software
is interrupted. Reinstall software on the cRIO-9033. Refer
to the Measurement & Automation Explorer (MAX) Help for
information about installing software on the cRIO-9033.
Blinks three times
and pauses
The cRIO-9033 is in user-directed safe mode, or the
cRIO-9033 is in install mode to indicate that software is
currently being installed.
This pattern may also indicate that the user has forced the
cRIO-9033 to boot into safe mode by pressing the reset
button for longer than five seconds or by enabling safe
mode in MAX. Refer to the Measurement & Automation
Explorer (MAX) Help for information about safe mode.
Blinks four times
and pauses
The cRIO-9033 is in safe mode. The software has crashed
twice without rebooting or cycling power between crashes.
Continuously
blinks
The cRIO-9033 has not booted into NI Linux Real-Time.
The cRIO-9033 either booted into an unsupported operating
system, was interrupted during the boot process, or detected
an unrecoverable software error.
On momentarily The cRIO-9033 is booting. No action required.
Red Continuously
blinks
This indicates a hardware error. An internal power supply
has failed. Check front-panel I/O and C Series module
connections for shorts. Remove any shorts and cycle power
the cRIO-9033. If the problem persists, contact NI.
— Off The cRIO-9033 is in run mode. Software is installed and the
operating system is running.
User LEDs
You can define the USER1 and USER FPGA1 LEDs to meet the needs of your application.
The following table lists the USER1 and USER FPGA1 LED indicators.
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Table 18. User LEDs
LED LED Color Description
USER1 Green/Yellow Use LabVIEW Real-Time to define the USER1 LED with the
RT LEDs VI. For more information about the RT LEDs VI,
refer to the LabVIEW Help.
USER
FPGA1
Green/Yellow Use the LabVIEW FPGA Module and NI-RIO Device Drivers
software to define the USER FPGA1 LED. Use the USER
FPGA1 LED to help debug your application or retrieve
application status. Refer to the LabVIEW Help for information
about programming this LED.
Ethernet LED Indicators
The following table lists the Ethernet LED indicators.
Table 19. Ethernet LED Indicators
LED LED Color LED Pattern Indication
ACT/LINK — Off LAN link not established
Green Solid LAN link established
Flashing Activity on LAN
10/100/1000 Yellow Solid 1,000 Mbit/s data rate selected
Green Solid 100 Mbit/s data rate selected
— Off 10 Mbit/s data rate selected
SD LED Indicators
The cRIO-9033 has two LEDs that indicate the SD card drive mount status and activity. The
following table lists SD LED indicators.
Table 20. SD LED Indicators
LED LED Color LED Pattern Indication
SD ACT Yellow Off There is no I/O activity on the SD card in the slot.
Flashing The cRIO-9033 is performing I/O on the SD card in
the slot. Do not remove the SD card while this LED
is flashing.
NI cRIO-9033 User Manual | © National Instruments | 19

Table 20. SD LED Indicators (Continued)
LED LED Color LED Pattern Indication
SD IN USE Green Off There is no SD card present in the slot or the
cRIO-9033 has unmounted the SD card from the
operating system. It is safe to remove the SD card
from the slot.
Solid The SD card in the slot is mounted in the operating
system. Do not remove the SD card while this LED
is lit.
Chassis Grounding Screw
The cRIO-9033 provides a chassis grounding screw.
Figure 6. cRIO-9033 Chassis Grounding Screw
1
1. Chassis Grounding Screw
For EMC compliance, you must connect the cRIO-9033 to earth ground through the chassis
ground screw. Use wire that is 1.31 mm2 (16 AWG) solid copper wire with a maximum length
of 1.5 m (5 ft). Attach the wire to the earth ground of the electrode system of the facility.
Caution If you use shielded cabling to connect to a C Series module with a plastic
connector, you must attach the cable shield to the chassis grounding terminal using
1.31 mm2 (16 AWG) or larger wire. Attach a ring lug to the wire and attach the wire
to the chassis grounding terminal. Solder the other end of the wire to the cable
shield. Use shorter wire for better EMC performance.
For more information about ground connections, visit ni.com/info and enter the Info Code
emcground.
Internal Real-Time Clock
The cRIO-9033 contains an internal real-time clock that maintains system time when the
cRIO-9033 is powered off. The system clock of the cRIO-9033 is synchronized with the
20 | ni.com | NI cRIO-9033 User Manual