National Instruments cRIO-9075 User manual

OPERATING INSTRUCTIONS AND SPECIFICATIONS
CompactRIO cRIO-9075/9076
Reconfigurable Embedded Chassis with Integrated
Intelligent Real-Time Controller for CompactRIO
Figure 1. cRIO-9075/9076 Front Panel
1LEDs
2 RJ-45 Ethernet Port
3 USB Port (cRIO-9076 Only)
4 Power Connector
5 Reset Button
6 RS-232 Serial Port
™
1
2
3
4
6
5
X

cRIO-9075/9076 Operating Instructions and Specifications 2 ni.com
This document describes how to connect the cRIO-9075/9076 to a network
and how to use the features of the cRIO-9075/9076. This document also
contains specifications for the cRIO-9075/9076.
Safety Guidelines
Operate the cRIO-9075/9076 only as described in these operating
instructions.
Safety Guidelines for Hazardous Locations
The cRIO-9075/9076 is suitable for use in Class I, Division 2, Groups A,
B, C, D, T4 hazardous locations; Class 1, Zone 2, AEx nC IIC T4 and
Ex nL IIC T4 hazardous locations; and nonhazardous locations only.
Follow these guidelines if you are installing the cRIO-9075/9076 in a
potentially explosive environment. Not following these guidelines may
result in serious injury or death.
Caution Do not disconnect the power supply wires and connectors from the controller
unless power has been switched off.
Caution Substitution of components may impair suitability for Class I, Division 2.
Caution For Zone 2 applications, install the CompactRIO system in an enclosure rated to
at least IP 54 as defined by IEC 60529 and EN 60529.
Special Conditions for Hazardous Locations Use
in Europe
Some chassis have been evaluated as Ex nA nL IIC T4 equipment under
DEMKO Certificate No. 07 ATEX 0626664X. Each such chassis is marked
II 3G and is suitable for use in Zone 2 hazardous locations, in ambient
temperatures of –20 °C ≤Ta ≤ 55 °C.
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.

©National Instruments Corporation 3 cRIO-9075/9076 Operating Instructions and Specifications
What You Need to Install the cRIO-9075/9076
❑CompactRIO reconfigurable embedded chassis with integrated
intelligent real-time controller
❑C Series I/O modules
❑DIN rail mount kit (for DIN rail mounting only)
❑Panel mount kit (for panel mounting only)
❑Two M4 or number 8 flathead screws (for mounting the chassis
without one of the listed mounting kits)
❑A number 2 Phillips screwdriver
❑Power supply
❑Ethernet cable
Notes Visit ni.com/info and enter the Info Code rdsoftwareversion to determine
which software you need to use the cRIO-9075/9076.
Mounting the cRIO-9075/9076
You can mount the chassis horizontally on a flat, vertical, metallic surface
such as a panel or wall. The maximum allowable ambient temperature for
operation in this configuration is 55 °C. Figure 2 shows the chassis
mounted horizontally.
Figure 2. cRIO-9075/9076 Mounted Horizontally
You can also mount the chassis on a panel or wall in other orientations, on
a non-metallic surface, on a 35 mm DIN rail, on a rack, in an enclosure, or
on a desktop. Mounting the chassis in these or other configurations can
reduce the maximum allowable ambient temperature and can affect the
typical accuracy of modules in the chassis.
Up

cRIO-9075/9076 Operating Instructions and Specifications 4 ni.com
Note For information about how different mounting configurations can cause temperature
derating, go to ni.com/info and enter the Info Code criomounting.
Note For information about typical accuracy specifications for modules, go to
ni.com/info and enter the Info Code criotypical.
Note Measure the ambient temperature at each side of the chassis, 63.5 mm (2.5 in.) from
the side and 25.4 mm (1 in.) forward from the rear of the chassis, as shown in Figure 3.
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 3.
Figure 3. cRIO-9075/9076, Bottom View with Dimensions
Note Go to ni.com/info and enter the Info Code rdcrioconn to find the minimum
cabling clearance for C Series modules with other connector types.
1 Measure ambient temperature here. 2 Chassis Grounding Screw
178.1 mm
(7.01 in.)
29.1 mm
(1.14 in.)
64.3mm
(2.53in.)
Cabling Clearance
50.8 mm (2.00 in.)
25.4 mm
(1 in.)
63.5 mm
(2.50 in.)
25.4 mm
(1 in.)
63.5 mm
(2.50 in.)
11
2

©National Instruments Corporation 5 cRIO-9075/9076 Operating Instructions and Specifications
Figure 4. cRIO-9075/9076, Front View with Dimensions
Figure 5. cRIO-9075/9076, Side View with Dimensions
Note For more information about the dimensions of the CompactRIO system, including
detailed dimensional drawings, go to ni.com/dimensions.
87.3mm
(3.44 in.)
47.2 mm
(1.86 in.) 30.6 mm
(1.2 in.)
41.1 mm
(1.62 in.)
47.0 mm
(1.85 in.)
4 mm
(0.16 in.)
Cooling Outline
25.4 mm (1 in.)
Cooling Outline
25.4 mm (1 in.)
2X M4X0.7
44 mm
(1.73in.)
74.0 mm
(2.91 in.)
44.1 mm
(1.74 in.)
29.1 mm
(1.15 in.)

cRIO-9075/9076 Operating Instructions and Specifications 6 ni.com
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 Flat Surface
Using the NI 9904 Panel Mount Kit
Panel or wall mounting is the best method for applications that are subject
to high shock and vibration. You can use the NI 9904 panel mount kit to
mount the cRIO-9075/9076 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 ×25 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. Tighten the
screws to a maximum torque of 1.3 N ⋅m (11.5 lb ⋅in.).
Figure 6. Installing the Panel Mounting Plate on the cRIO-9075/9076
NI cRIO-9076

©National Instruments Corporation 7 cRIO-9075/9076 Operating Instructions and Specifications
Figure 7. Dimensions of cRIO-9075/9076 with Panel Mounting Plate Installed
2. Fasten the NI 9904 panel to the wall using the screwdriver and screws
that are appropriate for the wall surface. The maximum screw size is
M4 or number 8.
Mounting the Chassis Directly on a Flat Surface
Using the Mounting Holes
Panel or wall mounting is the best method for applications that are subject
to high shock and vibration. If you do not have the NI 9904 panel mount kit
and do not require the portability that the NI 9904 affords, you can mount
the chassis directly on a flat surface using the mounting holes. Complete
the following steps.
1. Align the chassis on the surface.
2. Fasten the chassis to the surface using M4 or number 8 flathead screws,
as shown in Figure 8. National Instruments does not provide these
screws with the chassis.
[
]
31.7 mm
(1.25 in.)
63.5 mm
(2.5 in.)
88.1 mm
(3.47 in.)
7.2 mm
(0.29 in.)
27.3mm
(1.08 in.)
235.0 mm
(9.25 in.)
215.9 mm
(8.5 in.)
29.5 mm
(1.16 in.)
9.5 mm
(0.38 in.)

cRIO-9075/9076 Operating Instructions and Specifications 8 ni.com
Figure 8. Mounting the Chassis Directly on a Flat Surface
Caution Make sure that no I/O modules are in the chassis before removing it from the
surface.
Mounting the Chassis on a DIN Rail
Using the NI 9912 DIN Rail Mount Kit
You can order the NI 9912 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 ×25 screws. National Instruments provides
these screws with the DIN rail mount kit. Tighten the screws to a
maximum torque of 1.3 N ⋅m (11.5 lb ⋅in.).

©National Instruments Corporation 9 cRIO-9075/9076 Operating Instructions and Specifications
Figure 9. Installing the DIN Rail Clip on the cRIO-9075/9076
2. Insert one edge of the DIN rail into the deeper opening of the DIN rail
clip, as shown in Figure 10.
Figure 10. 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.
1 DIN Rail Clip 2 DIN Rail 3 DIN Rail Spring
3
2
1

cRIO-9075/9076 Operating Instructions and Specifications 10 ni.com
Mounting the Chassis on a Desktop
Using the NI 9901 Desktop Mounting Kit
You can use the NI 9901 desktop mounting kit to mount the chassis on a
desktop. You must install the adapter bracket using two M3 ×20 screws.
The adapter bracket and the screws are included in the kit. Refer to the
NI 9901 documentation for information about mounting the chassis on a
desktop.
Installing C Series I/O Modules in the Chassis
Figure 11 shows the mechanical dimensions of C Series I/O modules.
Figure 11. C Series I/O Module, Front and Side View with Dimensions
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 12. The module slots are numbered 1 to 4, left to right.
88.1 mm
(3.47 in.)
70.7 mm
(2.78 in.)
22.9 mm
(0.90 in.)

©National Instruments Corporation 11 cRIO-9075/9076 Operating Instructions and Specifications
Figure 12. 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.
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.
1 Insertion Groove 2 Latch
1
2
NI cRIO-9076

cRIO-9075/9076 Operating Instructions and Specifications 12 ni.com
Connecting the Chassis to Earth Ground
You must connect the chassis grounding screw to earth ground. Refer to
Figure 3 for the location of the grounding screw. Complete the following
steps to connect to earth ground:
1. Attach a ring lug to a 1.6 mm2(14 AWG) or larger wire.
2. Remove the grounding screw from the grounding terminal on the right
side of the chassis. Refer to Figure 3 for the location of the chassis
grounding screw.
3. Attach the ring lug to the grounding terminal.
4. Tighten the grounding screw to 0.5 N · m (4.4 lb · in.) of torque.
5. Attach the other end of the wire to earth ground using a method
appropriate for the application.
Note If you use shielded cabling to connect to a C Series I/O module with a plastic
connector, you must attach the cable shield to the chassis grounding terminal using
1.3 mm2(16 AWG) or larger wire. Use shorter wire for better EMC performance.
For more information about earth ground connections, go to ni.com/info
and enter the Info Code earthground.
Connecting the Chassis to a Network
Connect the chassis to an Ethernet network using the RJ-45 Ethernet port
on the controller front panel. Use a standard Category 5 (CAT-5) or better
shielded, twisted-pair Ethernet cable to connect the chassis to an Ethernet
hub, or use an Ethernet crossover cable to connect the chassis directly to 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.
The first time you power up the chassis, it attempts to initiate a DHCP
network connection. If the chassis is unable to initiate a DHCP connection,
it connects to the network with a link-local IP address with the form
169.254.x.x. After powerup, you must install software on the chassis and
configure the network settings in Measurement & Automation Explorer
(MAX).
Note Installing software may change the network behavior of the chassis. For information
about network behavior by installed software version, go to ni.com/info and enter the
Info Code ipconfigcrio.

©National Instruments Corporation 13 cRIO-9075/9076 Operating Instructions and Specifications
Wiring Power to the Chassis
The cRIO-9075/9076 requires an external power supply that meets the
specifications in the Power Requirements section. The cRIO-9075/9076
filters and regulates the supplied power and provides power for all of
the I/O modules. The cRIO-9075/9076 has one layer of reverse-voltage
protection. Complete the following steps to connect a power supply to the
chassis.
1. Ensure that the power supply is turned off.
Caution Do not install or remove the power connector from the front panel of the
cRIO-9075/9076 while power is applied.
2. Connect the positive lead of the power supply to the V terminal of the
COMBICON power connector shipped with the cRIO-9075/9076, and
tighten the terminal screw. Figure 13 shows the terminal screws, which
secure the wires in the screw terminals, and the connector screws,
which secure the power connector on the front panel.
Figure 13. COMBICON Power Connector
3. Connect the negative lead of the power supply to the C terminal of the
power connector and tighten the terminal screw.
4. Install the power connector on the front panel of the cRIO-9075/9076
and tighten the connector screws.
5. Turn on the power supply.
Powering On the cRIO-9075/9076
When you apply power to the cRIO-9075/9076, the controller 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.
1 Terminal Screws 2 Connector Screws
C
V
2
2
1

cRIO-9075/9076 Operating Instructions and Specifications 14 ni.com
You can configure the cRIO-9075/9076 to launch an embedded stand-alone
LabVIEW RT application each time you boot the controller. Refer to the
Running a Stand-Alone Real-Time Application (RT Module) topic of the
LabVIEW Help for more information.
Restarting the cRIO-9075/9076 Using the Reset Button
Pressing the Reset button restarts the controller. The FPGA continues to
run unless you have selected the Autoload VI on device reboot chassis
reset option. Refer to the Chassis Reset Options section for more
information.
To restart the cRIO-9075/9076 in safe mode, press and hold the Reset
button for 5 s, then release it. The Status LED lights solid yellow, indicating
that the cRIO-9075/9076 is in safe mode. Refer to the MAX help for
information about safe mode.
Controller Startup Options
You can configure the following controller startup options in MAX:
• Safe Mode
• Console Out
•IPReset
• No App
• No FPGA App
To turn these startup options on or off, select the controller under Remote
Systems in the MAX configuration tree, then select the Controller
Settings tab. Refer to the MAX help for information about the startup
options and how to configure the controller.
Chassis Reset Options
Table 1 lists the reset options available on CompactRIO systems such
as the cRIO-9075/9076. These options determine how the chassis behaves
when the controller is reset in various conditions. Use the RIO Device
Setup utility to select reset options. Access the RIO Device Setup utility
by selecting Start»All Programs»National Instruments»NI-RIO»
RIO Device Setup.

©National Instruments Corporation 15 cRIO-9075/9076 Operating Instructions and Specifications
Connecting Serial Devices to the cRIO-9075/9076
The cRIO-9075/9076 has an RS-232 serial port 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 from a LabVIEW RT application. For more
information about the Serial VIs, refer to the LabVIEW Help.
Figure 14. Controller Serial Port
Table 1. CompactRIO Reset Options
Chassis Reset 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 controller powers on.
Autoload VI on device reboot Loads the FPGA bit stream from flash memory to the FPGA
when you reboot the controller either with or without cycling
power.
Table 2. DB-9 Pin Descriptions
Pin Signal
1DCD
2RXD
3TXD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Pin 1
Pin 5
Pin 6
Pin 9

cRIO-9075/9076 Operating Instructions and Specifications 16 ni.com
Understanding LED Indications
Figure 15. cRIO-9075/9076 LEDs
POWER LED
The POWER LED is lit while the cRIO-9075/9076 is powered on. This
LED indicates that the power supply connected to the chassis is adequate.
STATUS LED
The STATUS LED is off during normal operation. The cRIO-9075/9076
indicates specific error conditions by flashing the STATUS LED a certain
number of times every few seconds, as shown in Table 3.
USER1 LED
You can define the USER1 LED to meet the needs of your application. To
define the LED, use the RT LEDs VI in LabVIEW. For more information
about the RT LEDs VI, refer to the LabVIEW Help.
Table 3. Status LED Indications
Number of Flashes
Every Few Seconds Indication
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. Refer to the Measurement & Automation
Explorer Help for information about safe mode.
4The software has crashed twice without rebooting or cycling power
between crashes. This usually occurs when the chassis runs out of
memory. Review your RT VI and check the memory usage. Modify
the VI as necessary to solve the memory usage issue.
Continuously flashing
or solid
The chassis has detected an unrecoverable error. Contact National
Instruments.
POWER POWER
STATUS
USER1
USER FPGA1

©National Instruments Corporation 17 cRIO-9075/9076 Operating Instructions and Specifications
USER FPGA1 LED
You can use the USER FPGA1 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.
Using the System Clock to Provide Data Timestamps
At startup, the system clock resets to January 1, 1970, 12:00 a.m.
(midnight). For information about synchronizing the system clock with an
SNTP time server on the network at startup, go to ni.com/info and enter
the Info Code criosntp.
Troubleshooting Network Communication
If the cRIO-9075/9076 cannot communicate with the network, you can
perform the following troubleshooting steps.
1. Hold the Reset button down for 5 s, then release it. The Status LED
turns on, then starts blinking three times every few seconds. The
chassis is now in safe mode with output from the serial port enabled.
You can use a serial port terminal to read the IP address of the
controller. If you want the controller to attempt a new DHCP
connection, proceed to step 2.
2. Hold the Reset button down for 5 s, then release it. The Status LED
repeats the same behavior. The cRIO-9075/9076 attempts to establish
a new DHCP connection. If it fails, it assigns itself a link-local
IP address. If the DHCP connection is successful and appropriate for
your application, skip to step 4.
3. Configure the IP and other network settings in MAX.
4. Press and release the Reset button to reboot the chassis.

cRIO-9075/9076 Operating Instructions and Specifications 18 ni.com
Where to Go from Here
Now that you have set up the cRIO-9075/9076 and configured it on your
network, you can start using it in your applications. The following figure
shows the main components of the CompactRIO documentation that you
may find helpful as you program and use the cRIO-9075/9076.
Figure 16. CompactRIO Documentation
ThisDocument
Installation and
Specifications
ni.com/info
rdcriostartup
Troubleshooting Tips,
Tutorials, Examples,
and More
MAX Help for
CompactRIO
Network
Configuration
LabVIEW Help»
NI-RIO»C Series
Reference and
Procedures
Using CompactRIO
in Your Application

©National Instruments Corporation 19 cRIO-9075/9076 Operating Instructions and Specifications
Specifications
The following specifications are typical for the –20 to 55 °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
RS-232 Serial Port
Maximum baud rate ............................... 230,400 bps
Data bits ................................................. 5, 6, 7, 8
Stop bits.................................................. 1, 2
Parity ...................................................... Odd, Even, Mark, Space
Flow control ........................................... RTS/CTS, XON/XOFF,
DTR/DSR
Memory
cRIO-9075
Nonvolatile...................................... 256 MB minimum
System memory .............................. 128 MB
cRIO-9076
Nonvolatile...................................... 512 MB minimum
System memory .............................. 256 MB
For information about the life span of the nonvolatile memory and about
best practices for using nonvolatile memory, go to ni.com/info and enter
the Info Code SSDBP.