778469-512 [NI]
Real-Time Embedded Controllers for PXI; 实时嵌入式控制器PXI为型号: | 778469-512 |
厂家: | National Instruments |
描述: | Real-Time Embedded Controllers for PXI |
文件: | 总3页 (文件大小:503K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Real-Time Embedded Controllers for PXI
NI PXI-8176 RT, NI PXI-8175 RT, NI PXI-8145 RT
• Real-time, deterministic performance • GPIB interface
• Headless, reliable operation
• 1.26 GHz Intel Pentium III
processor, maximum
• Serial interface
• CAN interface
• MXI-3 chassis expansion
• 40 kHz single PID loop
rates, maximum
• Ethernet connectivity
• Watchdog timer
• Integrated serial ports
• Built-in nonvolatile memory
Required Software
• LabVIEW Professional or
Full Development System
• LabVIEW Real-Time Module
Real-Time PXI Modules
• Data acquisition
• Reconfigurable I/O
• SCXI signal conditioning
(except 112x and 119x switches)
• Digitizers
• Dynamic signal acquisition
• Switches
• Image acquisition
• Motion control
Overview
performs a soft reboot of the host computer. Because the RT Series
The National Instruments RT Series PXI embedded controllers PXI embedded controllers run in a separate chassis with a dedicated
deliver a flexible, rugged platform for your deterministic, real-time power supply, the operator can shut down the host computer entirely
embedded measurement and control applications. You develop your without disrupting the embedded program.
applications with NI LabVIEW and the LabVIEW Real-Time Module
under Windows or Mac OS X, then download and embed the Dual-Boot Option
program to run on your RT Series PXI embedded controller under a You can use Measurement & Automation Explorer (MAX) to
real-time operating system. Thus, you can use all the powerful configure some models of the Windows-based PXI embedded
development tools of LabVIEW to develop real-time, reliable controllers to dual-boot as real-time embedded controllers. With
solutions. With RT Series PXI embedded controllers, your real-time MAX on a Windows host machine, you can create floppy disks that
measurement and control systems capitalize on all the benefits of PXI you can use to install or remove the real-time operating system from
systems, including rugged industrial construction and modularity. your PXI controller without affecting the native Windows operating
Build real-time PXI systems with any number and combination of system. (The Mac OS X hosts will have these utilities shipped with
PXI and Compact PCI measurement hardware modules.
the LabVIEW Real-Time Module.) The result is an RT Series
All RT Series embedded controllers deliver real-time deterministic controller that boots off a floppy disk into a real-time operating
performance and headless, reliable operation. NI offers embedded system or off the hard drive into a Windows operating system. To
controllers ideal for high-performance control applications with PID enable a Windows-based PXI embedded controller to dual-boot with
control loop rates up to 40 kHz and embedded controllers ideal for
PXI-8176 RT
PXI-8175 RT
PXI-8145 RT
lower-cost real-time applications (see Table 1). Each controller
communicates with a Windows or Mac OS X computer running the
LabVIEW Real-Time Module over standard Ethernet, and includes a
Watchdog timer for monitoring the status of a system.
Processor
1.26 GHz Intel Pentium III 866 MHz Intel Pentium III 266 MHz low-power
Intel Pentium MMX
Maximum rate for
single PID loop
Ethernet connectivity
Serial ports
39 kHz
30 kHz
6 kHz
100BaseTX/10BaseT
2
100BaseTX/10BaseT
2
100BaseTX/10BaseT
1
GPIB ports
1
–
–
Reliable Stand-Alone Operation
Nonvolatile memory
20 GB Ultra
DMA IDE hard drive2
512 MB SDRAM,
maximum1
20 GB Ultra DMA
IDE hard drive2
512 MB SDRAM ,
maximum1
32 MB CompactFlash
With an RT Series embedded controller, the LabVIEW Professional
Development System, and the LabVIEW Real-Time Module, you can
permanently embed code on the system so it starts automatically
when the system boots. To ensure reliable operation for real-time
control, embedded LabVIEW Real-Time applications continue to
run even if the host computer is interrupted or the operator
DRAM
128 MB SDRAM,
maximum1
Internal
Watchdog
Shock and Vibration
Software configurable
Software configurable
Basic
Basic
Extended
1With upgrades, 64 MB standard on PXI-8145 RT; 128 MB standard on PXI-8176 RT and PXI-8175 RT
2Because of rapidly changing hard drive technology, contact NI for the latest hard drive options
Table 1. PXI Real-Time Embedded Controller Selection Guide
National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com 137
Real-Time Embedded Controllers for PXI
a real-time OS, you must purchase a LabVIEW Real-Time run-time PXI Hardware for Real-Time Applications
license with your Windows-based controller.
The modularity of PXI and open connectivity of LabVIEW make it
easy to integrate a variety of I/O within your application. You can
take advantage of the timing and triggering functionality of PXI to
Integration with Mac OS X
The LabVIEW Real-Time Module and PXI are your solution for synchronize measurements across several I/O devices, increasing the
data acquisition, GPIB, serial, and Ethernet communication within performance of your real-time system.
the Mac OS X environment. Build your application on a host Mac
Create a custom real-time embedded solution using an RT Series PXI
OS X computer and download it directly to an RT Series embedded Embedded Controller with any number and combination of PXI plug-in
PXI controller.
modules. Built-in LabVIEW libraries help you create powerful
applications with data acquisition, dynamic signal acquisition,
motion control, image acquisition, and CAN communication. Use
PXI-8176 RT
The PXI-8176 RT is a high-performance PXI NI-VISA to integrate third-party PXI/CompactPCI modules in your
embedded controller capable of running a application. In addition, the RT Series PXI controllers include built-in
single PID loop at 39 kHz. With the 1.26 GHz Ethernet and serial ports. You can use these built-in ports to
Pentium III processor, the PXI-8176 RT is a communicate with peripheral devices while reserving slots in the PXI
high-end, real-time controller.
chassis for other measurement I/O devices. Table 2 lists all of the PXI
hardware you can use with LabVIEW Real-Time, with page references
for additional information.
PXI-8175 RT
The PXI-8175 RT contains an 866 MHz
Intel Pentium III processor capable of
running a single PID loop at 30 kHz.
Function
Data acquisition
Product
Page
197
199
362
432
386
220
270
PXI-61xx S Series multifunction DAQ
PXI-60xx E Series multifunction DAQ
PXI-67xx analog output
PXI-65xx digital I/O
PXI-660x counter/timer
PXI-7831R reconfigurable I/O2
All SCXI hardware except 112x
and 119x switching modules
All SCC hardware
PXI-8145 RT
The PXI-8145 RT controller is ideal for
low-cost, real-time applications. This series
of PXI controllers includes a low-power
Pentium 266 MHz processor capable of
running a single PID loop at up to 6 kHz.
The controllers module can withstand
higher vibration and shock because it
uses nonvolatile CompactFlash memory.
With the single-board architecture and
low-power processor, NI built this controller
for embedded applications where space
is limited.
SCXI and SCC
signal conditioning
251
448
402
488
488
497
492
603
633
636
638
665
717
747
Digitizers
Dynamic signal acquisition
Switches
PXI-5102
PXI-4472 24-bit dynamic signal acquisition
PXI-2501
PXI-2503
PXI-2565
PXI-2590
PXI-14xx image acquisition module1,2
PXI-7358 high-performance 8-axis motion controller
PXI-7344 high-performance 4-axis motion controller2
PXI-7334 low-cost 4-axis motion controller2
PXI-8232 GPIB/Gigabit Ethernet module
PXI-842x Serial interface modules
PXI-846x CAN interface modules2
Image acquisition
Motion control
Bus interfaces
PXI chassis expansion
PXI-833x MXI-3 for system expansion to multiple
PXI Chassis
157
1Requires LabVIEW Vision Development Module, version 6.1 or later 2Not supported under Mac OS X
Table 2. Additional Hardware for Real-Time Applications
138 National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com
Real-Time Embedded Controllers for PXI
Specifications
Ordering Information
Complies with PXI Specification and CompactPCI, PICMG 2.0 specification.
Supports bus-mastering in all PXI/CompactPCI slots.
Step 1. Controller Model – Select one of the following models:
NI PXI-8176 RT ............................................................778468-33
NI PXI-8175 RT ............................................................778467-33
NI PXI-8145 RT ............................................................778201-01
To convert a standard PXI-8175 or PXI-8176 controller to an RT Series PXI
controller, you can purchase one LabVIEW Real-Time run-time license per
controller to add real-time target capabilities.
Physical
Number of slots required
PXI-8145 RT...................................................... 1 system slot, 1 controller expansion slot (to the left of
system slot)
PXI-8175 RT/PXI-8176 RT................................. 1 system slot, 3 controller expansion slots (to the left of
system slot)
LabVIEW Real-Time Run-Time License ..................777849-01
Dimensions
PXI-8175 RT/ PXI-8176 RT................................ 8.1 by 13 by 21.6 cm (3.2 by 5.1 by 8.5 in. 3U)
PXI-8145 RT...................................................... 4.1 by 13 by 21.6 cm (1.6 by 5.1 by 8.5 in. 3U)
Step 2. NI Factory Installation Service – Select one of the following
for system/controller set ups (see page 249)
Customer-defined configuration1................................960596-01
PXI/SCXI Combination Systems..................................960596-04
1Systems only
Weight
PXI-8145 RT...................................................... 340 g (12 oz)
PXI-8175 RT...................................................... 1.1 kg (2.4 lb)
PXI-8176 RT...................................................... 1.2 kg (2.7 lb)
Step 3. Memory Upgrades – If you want to upgrade your memory,
select one or two of the following memory options, as applicable to
your selected controller:
128 MB SDRAM (8145 RT) ......................................777885-128
256 MB SDRAM (8175 RT, 8176 RT)........................778469-256
512 MB SDRAM (8175 RT, 8176 RT)........................778469-512
Peripherals
Ethernet
PXI-8145 RT/8175 RT/8176 RT ........................ 10/100 BaseT, RJ-45 connector
Serial Port
PXI-8175 RT/PXI-8176 RT................................. 2 RS-232
PXI-8145 RT...................................................... 1 RS-232
BUY ONLINE!
Visit ni.com/info and enter pxi8176rt, pxi8175rt, and/or pxi8145rt.
GPIB Port
PXI-8176 RT...................................................... PCI-GPIB/TNT, full size
DRAM
PXI-8175 RT/PXI-8176 RT................................. 512 MB maximum, 7.5 ns SDRAM
1 SO-DIMM Socket
PXI-8145 RT...................................................... 128 MB maximum, 10 ns SDRAM
1 SO-DIMM Socket
Hard drive (PXI-8175 RT, PXI-8176 RT) ............ Internal 2.5 in., 20 GB minimum
Flash memory (PXI-8145 RT) ............................ 32 MB
National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com 139
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