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Operation Theory

27

3

Operation Theory

This chapter describes the operation theory of GPIB bus and the
basic architecture of ADLINK’s GPIB interface cards.

3.1

Connection Configuration

The GPIB bus has 24 lines which are divided into 16 signal lines
and 8 ground return or shield drain lines. The 16 signal lines can
be divided into 8-bit parallel data transfer bus and 8 control lines.
The 8 control lines contain 5 system management lines and 3
handshake lines.

Figure 3-1: Standard GPIB Connector

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Содержание LPCI-3488A Series

Страница 1: ...Advance Technologies Automate the World Manual Rev 2 02 Revision Date May 23 2009 Part No 50 17023 3010 LPCI USB 3488A PXI 3488 IEEE488 GPIB Interface Card Series User s Manual ...

Страница 2: ...ntial damages arising out of the use or inability to use the product or documentation even if advised of the possibility of such damages This document contains proprietary information protected by copy right All rights are reserved No part of this manual may be repro duced by any mechanical electronic or other means in any form without prior written permission of the manufacturer Trademarks Produc...

Страница 3: ...Email info adlinktech com ADLINK Technology Beijing Address ҀᏖ ऎϞഄϰ䏃 1 োⲜ ࡼ ॺ E ᑻ 801 ᅸ 100085 Rm 801 Power Creative E No 1 B D Shang Di East Rd Beijing 100085 China Tel 86 10 5885 8666 Fax 86 10 5885 8625 Email market adlinktech com ADLINK Technology Shanghai Address Ϟ Ꮦⓩ 催 ᡔᓔথऎ䩺䏃 333 ো 39 ᐶ 4 ሖ 200233 Tel 86 21 6495 5210 Fax 86 21 5450 0414 Email market adlinktech com ADLINK Technology Shenzhen...

Страница 4: ...el 81 3 4455 3722 Fax 81 3 5333 6040 Email japan adlinktech com ADLINK Technology Inc Korean Liaison Office Address 昢殾柢儛單割嚂笊壟 60 12 壟昷捒娯 4 猻 402 笾 No 402 Dongsung B D 60 12 Nonhyeon Dong Gangnam gu Seoul 135 010 Korea Tel 82 2 2057 0565 Fax 82 2 2057 0563 Email korea adlinktech com ADLINK Technology Singapore Pte Ltd Address 84 Genting Lane 07 02A Cityneon Design Centre Singapore 349584 Tel 65 6...

Страница 5: ... 1 Contents of Package 9 LPCI 3488A 9 PXI 3488 9 USB 3488A 9 2 2 Unpacking 10 2 3 Mechanical Drawing 11 LPCI 3488A 11 PXI 3488 12 USB 3488A 13 2 4 PCI Configuration 14 Plug and Play 14 Configuration 14 Troubleshooting 14 2 5 Hardware Installation 15 LPCI 3488A Installation Procedures 15 PXI 3488 Installation Procedures 16 USB 3488A Installation Procedures 16 Cabling 17 2 6 Software Installation 21...

Страница 6: ...ontents 3 1 Connection Configuration 27 Data Lines 29 Handshake Lines 29 System Management Lines 29 3 2 Block Diagram 30 ADLINK GPIB Interface Cards Block Diagram 30 ADLINK USB 3488A GPIB Interface Block Diagram 31 ...

Страница 7: ...List of Tables iii List of Tables Table 1 1 Power Requirements LPCI 3488A 6 Table 1 2 Power Requirements PXI 3488 6 Table 1 3 Power Requirements USB 3488A 6 Table 3 1 GPIB Bus 28 ...

Страница 8: ...5 LPCI 3488A Star Connection Configuration 18 Figure 2 6 PXI 3488 Linear Connection Configuration 18 Figure 2 7 PXI 3488 Star Connection Configuration 19 Figure 2 8 USB 3488A Linear Connection Configuration 19 Figure 2 9 USB 3488A Star Connection Configuration 20 Figure 3 1 Standard GPIB Connector 27 Figure 3 2 Block Diagram of ADLINK GPIB Interface Cards 30 Figure 3 3 Block Diagram of ADLINK USB ...

Страница 9: ...he best compatibility with your existing applications and instrument drivers 1 1 1 Performance ADLINK s expertise in PCI and PXI interface cards was leveraged when developing these newly designed GPIB interface card The LPCI 3488A which is the low profile PCI form factor supports both 3 3 V and 5 V PCI buses and can be adapted to most indus trial and desktop computers The PXI 3488 is compliant wit...

Страница 10: ...l programs written based on the GPIB 32 DLL library can be executed with LPCI USB 3488A or PXI 3488 without any modification VISA library is also supported to ensure compatibility with applications utilizing VISA The ADLINK LPCI USB 3488A and PXI 3488 thus provides the Plug and Play compatibility with all your existing applications 1 NI is a registered trademark of National Instruments Corporation...

Страница 11: ...ing and diagnostics Fully low profile MD1 PCB compliant 1 2 2 PXI 3488 The PXI 3488 IEEE 488 GPIB interface card provides the follow ing advanced features PXI specifications Rev 2 0 compliant 3U Eurocard form factor CompactPCI compliant PICMG 2 0 R3 0 Fully compatible with the IEEE 488 standard Up to 1 5 MB s data transfer rates Built in 2 KB FIFO for read write operations Provides APIs compatible...

Страница 12: ...ctions for laptop computer Plug and Play interface No GPIB cable required for instru ment connection APIs compatible with NI 488 2 driver software Fully IEEE 488 1 and 488 2 compatible Fully industry standard VISA library compatible On board FIFO for read write operations Maximum GPIB transfer rates Up to 1 2 MB s 2 m USB cable attached RoHS compliant USB 2 0 compatible No external power required ...

Страница 13: ...ected to one controller Maximum 1 5 MB s data transfer rate Cable length 2 meters between each instrument suggested 20 meters total cable length Data transfer mode 8 bits parallel Handshake 3 wire handshake reception of each data byte is acknowledged 1 3 2 Certifications EMC EMI CE FCC Class A ...

Страница 14: ...488A PXI 3488 USB 3488A Dimensions not including connectors LPCI 3488A 120 mm x 64 mm PXI 3488 160 mm x 100 mm USB 3488A 81 6 mm L x 61 5 mm W x 27 8 mm H Vibration Test USB 3488A Operating 1 G 3 axes non operating 2 5 G 3 axes 5 V 250 mA typical 300 mA maximum Table 1 1 Power Requirements LPCI 3488A 5 V 250 mA typical 300 mA maximum Table 1 2 Power Requirements PXI 3488 5V 190 mA typical 500 mA m...

Страница 15: ... also provides a diagnostic utility to test GPIB interface cards as well as program ming samples and source code examples for Microsoft Visual C The ADL GPIB driver package can be found in the included All in one CD Please refer to the Software Installation section 2 6 on page 21 for detailed software installation instructions For other OS support please contact ADLINK for more informa tion ...

Страница 16: ...8 Introduction ...

Страница 17: ...onal low profile bracket ADLINK GPIB Driver CD This User s Manual 2 1 2 PXI 3488 The PXI 3488 includes the following items PXI 3488 ADLINK GPIB Driver CD This User s Manual 2 1 3 USB 3488A The USB 3488A includes the following items USB 3488A USB GPIB with built in 2m cable ADLINK GPIB Driver CD This User s Manual If any of these items are missing or damaged contact your ADLINK dealer Please save t...

Страница 18: ... should be handled on a grounded anti static mat The operator should be wearing an anti static wrist band grounded at the same point as the anti static mat Inspect the module for obvious damage Shipping and handling may cause damage to the module Be sure there is no shipping and handling damage on the module before continuing Note DO NOT APPLY POWER TO THE CARD IF IT HAS BEEN DAMAGED ...

Страница 19: ...Installation 11 2 3 Mechanical Drawing 2 3 1 LPCI 3488A Figure 2 1 PCB Layout of the LPCI 3488A ...

Страница 20: ...ng 160 mm in length and 100 mm in height not including connectors The IEEE488 standard 24 pin connector is located at the front panel and the J1 IEC connectors in the rear are used to link the chassis backplane With its modular rugged and high shock resistant mechanical fea tures the IEEE488 GPIB Interface module functions exceptionally well in harsh environment applications ...

Страница 21: ...connection between the USB port on a desktop and laptop computer to GPIB instrumen With the USB 3488A GPIB interface and its USB Plug and Play feature GPIB instruments can be connected and discon nected without having to shut down the computer No external power supplies are necessary The USB 3488A GPIB interface is equiped with a 2meter USB cable that is USB 2 0 compliant ...

Страница 22: ...board basis for all PCI PXI boards in the chassis Because configuration is controlled by the system and software there is no jumper setting required for base address DMA and interrupt IRQ The configuration is subject to change with every boot of the sys tem as new boards are added or removed 2 4 3 Troubleshooting If the system doesn t boot or you experience erratic operation with the PCI PXI board...

Страница 23: ...ots are shorter than ISA or EISA slots and are usually white or ivory 5 Before handling the PCI cards discharge any static buildup on your body by touching the metal case of the computer Hold the edge of the board and do not touch the components 6 Position the board into the selected PCI slot 7 Secure the card in place at the rear panel of the system 8 Replace the computer case cover Turn on the c...

Страница 24: ... into the chassis 5 Once inserted a click can be heard from the ejector latch 6 Tighten the screw on the front panel Turn on the computer and install the software according to the instructions in the Software Installation section 2 6 on page 21 2 5 3 USB 3488A Installation Procedures Please follow the instructions to install USB 3488A in your system 1 Connect USB 3488A to any USB Port 2 After seve...

Страница 25: ...distance should be less than 20 meter The total number of devices must less than 15 including computer itself and at least two thrids 2 3 of the devices are powered on Devices can be connected in a linear configuration star configura tion or combination the two The following figures show both lin ear and star connections Note For a star connection the total current load will be less if there are l...

Страница 26: ...18 Installation Figure 2 5 LPCI 3488A Star Connection Configuration Figure 2 6 PXI 3488 Linear Connection Configuration ...

Страница 27: ...Installation 19 Figure 2 7 PXI 3488 Star Connection Configuration Figure 2 8 USB 3488A Linear Connection Configuration ...

Страница 28: ...20 Installation Figure 2 9 USB 3488A Star Connection Configuration ...

Страница 29: ...he ADLINK web site www adlinktech com to download the latest version of ADL GPIB Note You must install ADL GPIB revision 3 0 or later to use the LPCI USB 3488A and PXI 3488 This section will illustrate the procedure to install the ADL GPIB driver package 2 6 1 Driver Installation For Windows 98 2000 XP Vista users 1 Insert the ADLINK GPIB Driver CD 2 Execute x Software Package ADL GPIB Setup exe t...

Страница 30: ...22 Installation 3 Reboot the system to complete setup ...

Страница 31: ...PIB connections It is located on the GPIB Driver x ADLINK ADL GPIB Utili ty GPIB Utility exe 1 Launch GPIB Utility exe A window appears to show all installed GPIB interfaces and instruments 2 Click on a GPIB interface GPIB0 GPIB1 etc and select Setting GPIB Preference A GPIB Interface Bus Setting dialog appears to enable configuration of the GPIB interface ...

Страница 32: ...24 Installation ...

Страница 33: ...Installation 25 3 Double click on a connected GPIB instrument A GPIB Interactive control dialog appears to allow write com mand strings to be inputted into the GPIB instrument and read the result ...

Страница 34: ...26 Installation ...

Страница 35: ...ce cards 3 1 Connection Configuration The GPIB bus has 24 lines which are divided into 16 signal lines and 8 ground return or shield drain lines The 16 signal lines can be divided into 8 bit parallel data transfer bus and 8 control lines The 8 control lines contain 5 system management lines and 3 handshake lines Figure 3 1 Standard GPIB Connector ...

Страница 36: ... DIO2 3 DIO3 4 DIO4 13 DIO5 14 DIO6 15 DIO7 16 DIO8 8 control lines 5 system management lines 5 EOI 9 IFC 10 SRQ 11 ATN 17 REN 3 handshake lines 6 DAV 7 NRFD 8 NDAC 8 ground lines 1 shield drain line 12 SHIELD 7 ground return lines 18 GND 19 GND 20 GND 21 GND 22 GND 23 GND 24 SIGNAL GROUND Table 3 1 GPIB Bus ...

Страница 37: ... manage the flow of control and data bytes across the interface EOI End or Identify Used by a talker to indicate the end of a multi byte transfer sequence or used in conjunction with ATN by a controller to execute a polling sequence IFC Interface Clear Used by a controller to place the interface system portions of which are contained in all inter connected devices in a known quiescent state SRQ Se...

Страница 38: ...art state machine in the CPLD coordinates the data flow between the PCI controller FIFO and GPIB bus Figure 3 2 Block Diagram of ADLINK GPIB Interface Cards The FIFO can buffer data from the master either from the PCI controller or external device when the target is busy Efficiency is thus significantly improved when transferring large blocks of data FPGA GPIB IP Built in 2 KB FIFO PCI Controller ...

Страница 39: ...clude a 32 KB FIFO to maximize data transfer rates Its state of the art state machine in the the 8051 coordinates the data flow between the USB Bus FIFO and GPIB bus Figure 3 3 Block Diagram of ADLINK USB 3488A GPIB Interface FPGA GPIB IP Built in 2 KB FIFO PCI Controller Bus Transceiver Receiver CPLD SRAM 8051 ...

Страница 40: ...32 Operation Theory ...

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