780935-57

GPIB Analyzers for PCI and PCI Express NI PCI-GPIB+, NI PCIe-GPIB+, NI PCIe-GPIB+ Low-Profile (LP) Analyzer Hardware ◾◾ Monitor and control all GPIB lines ◾◾ Capture GPIB events including event timestamping ◾◾ Large FIFO for high-speed captures ◾◾ Hardware triggering ◾◾ Variable handshake rate ◾◾ Capture GPIB handshake line transitions Analyzer Software ◾◾ Easy-to-use graphical application ◾◾ Selective GPIB event capture ◾◾ Several windows for capture buffer and capture display ◾◾ Several data display formats ◾◾ Captured data searchable for specified GPIB pattern ◾◾ Capture event markers for easy analysis and benchmarking ◾◾ Selective captured event printing ◾◾ Software can run concurrently with GPIB applications Controller ◾◾ IEEE 488.2 and HS488 compatible ◾◾ Jumperless, software configurable ◾◾ Plug-and-play compatible Operating Systems ◾◾ Windows Vista (32- and 64-bit)/XP/2000 Driver Software (included) ◾◾ NI-488.2 ◾◾ GPIB analyzer Overview The NI PCI-GPIB+, PCIe-GPIB+, and PCIe-GPIB+/LP devices include a complete GPIB analyzer and GPIB controller on a single device. Compatible with HS488, these devices are lower-cost alternatives to purchasing two separate products for analyzer and controller functionality. You can use them to troubleshoot IEEE 488 software and hardware problems or control GPIB instruments. You can trigger on bus patterns or specific GPIB events and benchmark system performance with the built-in timestamping capabilities. the Capture button in the Action window. When the analyzer is capturing, it continually samples the GPIB and records the occurrence of user-specified GPIB events. You can configure the analyzer application to record captured information for any combination of the following GPIB events: ◾◾ Data transfers ◾◾ Command transfers ◾◾ Control-line transition ◾◾ Handshake-line transition ◾◾ Parallel-poll response In addition, you can configure the analyzer application to continually reuse the capture buffer (treat it as a circular buffer) until you stop the capture operation. You can configure the analyzer application to participate in the IEEE 488.1 three-wire handshake while capturing. For nonintrusive captures, you can configure the analyzer application not to participate in the IEEE 488.1 threewire handshake while capturing. Besides capturing the standard IEEE 488.1 three-wire handshake, the analyzer application can capture high-speed HS488 data transfers. If desired, you can configure the analyzer application to record timestamps with each captured event. Recorded timestamps have a 50 ns resolution. Sometimes you may want to focus a capture operation on a specific GPIB pattern that occurs at some unknown time. With the analyzer application, you can define a GPIB trigger condition and select the number of events to record Monitoring the Bus The GPIB analyzer software displays the current state of the GPIB at all times. The Bus Monitor window shows the real-time state of each of the 16 GPIB data and control lines. It displays the state of the eight data lines in ASCII, hexadecimal, and binary formats and the state of the eight control lines in the binary format. The window displays the binary format as a series of LEDs, one for each GPIB line represented. Each GPIB data and control line has a corresponding toggle switch you can use to assert one or more of these lines at any time. Using these switches, you can exercise simple control over the GPIB, such as stepping through the states of the source or acceptor handshake. The Accept Byte button performs a single acceptor handshake sequence. The GPIB analyzer software offers several options for capturing and analyzing activity on the GPIB. You enable the capture by using GPIB Analyzers for PCI and PCI Express before and after the specified GPIB trigger condition. You start a triggering capture using the Capture & Trigger button in the Action window. The GPIB analyzer software has a complete set of tools for viewing and interpreting captured GPIB information. Using the Capture Display window, you can monitor an in-progress capture operation or view the captured information after capture stops. Additionally, you can load and view previously saved capture information for further review and analysis. The Capture Display window shows captured information in ASCII, hexadecimal, and binary formats, and, if you specify, timestamps for each captured item. High-level interpretation of the data and control lines, including detailed addressing information, is also available in the form of standard IEEE 488 mnemonics. You can quickly scan through the captured information using scrolling and paging operations. Figure 4. GPIB Analyzer Settings Window Because you can have several Capture Display windows open, you can simultaneously view current GPIB activity in one window and view previously captured GPIB events in another window. Each Capture Display window presents the captured data in one of two formats – detailed or summarized. The detailed format shows each command message and data byte on a single line, with ASCII, hexadecimal, and binary equivalents. Using the summarized format, you can see entire GPIB messages on the same line. Postcapture analysis features include markers for highlighting and examining specific GPIB events in the captured data – you can use these markers to determine elapsed time between captured events and the number of events per second: ◾◾ Flexible pattern-search utility for quickly locating specific GPIB patterns Figure 1. Easy Application Troubleshooting ◾◾ Saving of captured data for later review ◾◾ Printing of captured data to a file or printer in either detailed or summarized formats Background Operation The GPIB analyzer software runs independently of other GPIB applications because the combined analyzer/controller board has separate circuitry for each redundant function (analyzer and controller). Thus, you can use a single analyzer and controller board to run both your GPIB controller application (uses the controller functionality) and GPIB analyzer application (uses the analyzer functionality). Of course, you can also use the analyzer to monitor activity from Figure 2. Real-Time Monitoring or Captured Data Analysis of the 16 GPIB Data and Control Lines external GPIB devices. Hardware Features TNT ASIC Family The TNT family of ASICs comprises the first single-chip IEEE 488.2 talker, listener, and controller interfaces. The TNT ASICs also implement the HS488 mode of operation for high-speed GPIB data transfers. The transfer functions implement Automatic Handshake Holdoff on the last byte of a GPIB read and Automatic END Transmission on the last byte of a GPIB write. Because the NI PCI-GPIB+, PCIe-GPIB+, and PCIe-GPIB+/LP perform these functions in hardware, you save significant CPU time relative to performing the same functions in software. Figure 3. Bus Monitor Window B UY ONLINE at ni.com or C ALL 800 813 36 93 (U.S.) 2 GPIB Analyzers for PCI and PCI Express FIFO A 32-byte first-in first-out (FIFO) memory buffer, integrated with the TNT ASIC, buffers data sent to or received from the GPIB. By buffering the data, you increase the data transfer rate because the I/O bus and the GPIB can overlap their respective accesses to the FIFO, rather than one bus waiting for the other to complete a cycle. IEEE 488 Interface Functions The NI PCI-GPIB+, PCIe-GPIB+, and PCIe-GPIB+/LP boards contain program registers that configure, control, and monitor all IEEE 488 interface functions. These functions are fully compatible with ANSI/IEEE Standard 488.2-1987. GPIB Transceivers Transceivers interface the NI PCI-GPIB+, PCIe-GPIB+, and PCIe-GPIB+/LP to the IEEE 488 bus. The transceivers, which are part of the TNT ASIC, provide power-up/power-down bus protection (glitch free). Ordering Information NI PCI-GPIB+, NI-488.2, and GPIB analyzer software for Windows Vista/XP/2000....................................................... 778033-01 Windows Vista/XP/2000 (2 m cable) .................................... 778033-51 NI PCIe-GPIB+, NI-488.2, and GPIB analyzer software for Windows Vista/XP/2000....................................................... 780935-01 Windows Vista/XP/2000 (2 m cable) .................................... 780935-57 NI PCIe-GPIB+/LP, NI-488.2, and GPIB analyzer software for Windows Vista/XP/2000....................................................... 780936-01 BUY NOW For complete product specifications, pricing, and accessory information, call 800 813 3693 (U.S.) or go to ni.com/gpib. B UY ONLINE at ni.com or C ALL 800 813 36 93 (U.S.) 3 GPIB Analyzers for PCI and PCI Express Specifications IEEE 488 Compatibility IEEE 488.1 and IEEE 488.2 compatible Capability Code SH1 AH1 T5, TE5 L3, LE3 SR1 PP1, PP2 RL1 C1, C2, C3, C4, C5 E1, E2 Description Source Handshake Acceptor Handshake Talker, Extender Talker Listener, Extender Listener Service Request Local/Remote Parallel Poll Remote/Local Controller Three-State Bus Drivers with Automatic Switch to Open Collector during Parallel Poll Power Requirements PCI +3.3 VDC ........................................... PCI signaling level ............................ PCI Express +3.3 VDC ........................................... 1.2 W typical, 1.65 W maximum 0.6 W typical, 1.9 W maximum Universal Physical Dimensions PCI ...................................................... PCI Express/PCI Express Low-Profile .... 12.0 by 10.7 cm (4.7 by 4.2 in.) 9.75 by 6.88 cm (3.84 by 2.71 in.) I/O Connectors GPIB ...................................................... IEEE 488 standard 24-pin Operating Environment Ambient temperature ............................ Relative humidity .................................. 0 to 55 °C 10 to 90%, noncondensing Tested in accordance with IEC-60068-2-1, IEC-60068-2-2, and IEC-60068-2-56. PCI Express Compatibility PCI Express 1.0a Maximum IEEE 488 Bus Transfer Rates IEEE 488 interlocked handshake ........... IEEE 488 noninterlocked (HS488) handshake ........................... 7.7 MB/s Actual rates depend on system configuration and instrument capabilities. Storage Environment Ambient temperature ............................ Relative humidity .................................. -20 to 70 °C 5 to 95%, noncondensing Tested in accordance with IEC-60068-2-1, IEC-60068-2-2, and IEC-60068-2-56. 1.5 MB/s Compliance and Safety Visit ni.com/certification. GPIB Analyzer Performance Sampling rate ........................................ Timestamp resolution............................ 20 MHz 50 ns B UY ONLINE at ni.com or C ALL 800 813 36 93 (U.S.) 4 NI Services and Support NI has the services and support to meet MA IN IN TA PL your needs around the globe and through the application life cycle – from planning and development through deployment and ongoing maintenance. We offer services and service levels to meet customer requirements in research, design, validation, and manufacturing. Visit ni.com/services. Local Sales and Technical Support In offices worldwide, our staff is local to the country, giving you access to engineers who speak your language. NI delivers industry-leading technical support through online knowledge bases, our applications engineers, and access to 14,000 measurement and automation professionals within NI Developer Exchange forums. Find immediate answers to your questions at ni.com/support. 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Express repair and advance replacement services are also available. We offer extended warranties to help you meet project life-cycle requirements. Visit ni.com/services. ni.com n 8 00 813 3693 n National Instruments info@ni.com ©2009 National Instruments. All rights reserved. CompactRIO, FieldPoint, HS488, National Instruments, National Instruments Alliance Partner, NI, NI-488, and ni.com are trademarks of National Instruments. Other product and company names listed are trademarks or trade names of their respective companies. A National Instruments Alliance Partner is a business entity independent from National Instruments and has no agency, partnership, or joint-venture relationship with National Instruments. 2009-10955-301-101-D