PC Control of PXI (MXI-4)
NI PXI-PCI8331, NI PCI-8331, NI PXI-8331
NI PXI-PCI8336, NI PCI-8336, NI PXI-8336
• Multichassis configurations for PXI and CompactPCI
• MXI-4 link performance
•
132 Mbytes/s peak
•
78 Mbytes/s sustained
• Fiber-optic or copper cabling
•
Low cost with copper
•
Electrical isolation and long-range with fiber-optic
• Rugged connectivity
• Error checking and retransmission
• Support for 5 V and 3.3 V PCI
NEW
Overview
The National Instruments PXI-PCI833x interface kits give PCs
direct control of PXI systems using MXI-4 technology. You can
also use NI PXI-8331 and NI PXI-8336 modules for linking
multiple PXI chassis. MXI-4 is a high-bandwidth link that is
transparent to software applications and drivers, therefore
providing the ability to use high performance desktop computers
or servers to control PXI systems.
Multichassis PXI Systems
MXI-4 can be used to connect multiple PXI chassis in a star or
daisy-chain configuration within a single system. To connect two
PXI chassis together with MXI-4, install a PXI-8331 (copper) or
PXI-8336 (fiber-optic) module into any peripheral slot of the
master chassis. Connect with the appropriate cable to a second
PXI-8331 or PXI-8336 in slot 1 of the slave chassis. For more
information on the possible star and daisy-chain topologies, please
see the
MXI-4 User Manual.
Hardware
PC Control of PXI
With a MXI-4 link, you can transparently control a PXI system
from any PCI slot, so high-performance desktop computers or
servers can control PXI systems. Because PXI is based on the
industry-standard PCI bus, MXI-4 provides a transparent link
where all PXI modules appear to the user as if they were PCI
boards within the computer itself. However, you benefit from the
increased number of slots, power and cooling per slot, module
selection, and synchronization features provided by PXI.
Additionally, with fiber-optic MXI-4 you can electrically isolate
your PXI measurement hardware from the PC with extended
length cabling up to 200 m.
The MXI-4 link consists of a PCI-8331 (copper) or PCI-8336
(fiber-optic) board in the PC, connected via the appropriate cable
to a PXI-8331 (copper) or PXI-8336 (fiber-optic) module in slot 1
of a PXI chassis. For convenience, you can purchase either a
complete MXI-4 kit with all necessary components, or purchase
the PCI board, PXI module, and cable separately.
MXI-4 Technology
MXI-4 operates as a PCI-to-PCI bridge that achieves software and
hardware transparency and high performance. MXI-4 builds on
the standard PCI-to-PCI bridge architecture by splitting the bridge
into two halves connected by a 1.5 Gb/s serial link. Additionally,
you can create multiple-chassis PXI systems using multiple MXI-4
links. The PCI specification allows up to 255 buses to be connected
in a system via PCI-PCI bridges such as MXI-4.
MXI-4 is an evolution of MXI-3. MXI-4 improves on MXI-3 by
supporting both 3.3 V and 5 V PCI signaling environments, error
checking and retransmission on the serial link for greater
reliability in electrically noisy or harsh environments, and
industrially rugged connectors.
PC Control of PXI (MXI-4)
Specifications
Ordering Information
For online configuration of a complete PXI system, including
chassis, modules, and all accessories, visit ni.com/pxiadvisor.
MXI-4 Kits for PXI/CompactPCI
Power Requirements
Volts
+3.3
+5
Current (ADC)
Typical
Maximum
Typical
Maximum
PCI-8331, PXI-8331 PCI-8331, PXI-8331 PCI-8336, PXI-8336 PCI-8336, PXI-8336
0.25
0.30
0.35
0.4
1.5
1.7
1.5
1.7
NI PXI-PCI8331 with 3 m copper cable..........................778640-03
NI PXI-PCI8336 with 10 m fiber-optic cable
(isolated)..............................................................................778641-10
(Kit includes one PCI MXI-4 board (PCI-833x), one PXI MXI-4 module (PXI-833x)
module, and one cable).
Physical
Dimensions
PCI-8331/6 ......................................
PXI-8331/6 ......................................
Slot requirements ..................................
Maximum cable lengths
8331 (copper) ..................................
8336 (fiber) ......................................
Compatibility ..........................................
....................................................
....................................................
10.7 by 17.5 cm (4.2 by 6.9 in.)
3U-size module, 10.0 by 16.0 cm (3.9 by 6.3 in.)
One 3U PXI system controller slot or peripheral slot
10 m
200 m
Fully compatible with PXI Hardware
Specification 2.1, and the PCI
Specification 2.2
PXI MXI-4 Interface Modules
NI PXI-8331 (copper)........................................................778955-01
NI PXI-8336 (fiber-optic)..................................................778957-01
PCI MXI-4 Interface Boards
NI PCI-8331 (copper)........................................................778956-01
NI PCI-8336 (fiber-optic)..................................................778958-01
MXI-4 Cables
Operating Environment
Temperature .............................................. 0 to 55 °C (tested in accordance with IEC-60068-2-1
and IEC-60068-2-2.)
Relative humidity .................................... 10 to 90% (tested in accordance with IEC-60068-2-56.)
Copper
3 m ..................................................................................190957-03
5 m ..................................................................................190957-05
10 m ................................................................................190957-10
Fiber-optic
10 m ................................................................................778959-10
30 m ................................................................................778959-30
200 m ............................................................................778959-200
Storage Environment
Temperature ................................................ –20 to 70 °C (tested in accordance with IEC-60068-2-1
and IEC-60068-2-2.)
Relative humidity .................................... 5 to 95% noncondensing (tested in accordance
with IEC-60068-2-56.)
Shock and Vibration
Operational Shock 30 g peak, half-sine, 11 ms pulse (Tested in accordance with IEC-60068-2-27.
Test profile developed in accordance with MIL-PRF-28800F.)
BUY ONLINE!
Visit
ni.com/info
and enter pxi-pci833x.
Random Vibration
Operating .............................................. 5 to 500 Hz, 0.3 g
rms
Nonoperating ........................................ 5 to 500 Hz, 2.4 g
rms
(Tested in accordance with IEC-60068-2-64. Nonoperating profile exceeds the requirements of
MIL-PRF-28800F, Class 3.)
*Specifications subject to change without notice
Note: For full EMC compliance, you must operate this device with shielded cabling. In addition, all
covers and filler panels must be installed. Refer to the Declaration of Conformity (DoC) for this
product for any additional regulatory compliance information. To obtain the DoC for this product,
click Declaration of Conformity at
ni.com/hardref.nsf/.
This Web site lists the DoCs by product
family. Select the appropriate product family, followed by your product, and a link to the DoC appears
in Adobe Acrobat format. Click the Acrobat icon to download or read the DoC.
2
National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com
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NI recognizes the need to maintain properly calibrated devices for
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(800) 433-3488
National Instruments • Tel: (512) 683-0100 • Fax: (512) 683-9300 • info@ni.com
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