Instruction/ maintenance manual of the product 6527 National Instruments
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DAQ 6527 User Manual Isolated Digital I/O Interface for PCI, PXI , and CompactPCI 652 7 User Manual ™ August 2000 Edition Part Number 322164 B-01.
Worldwide Technical Support and Product Information ni.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin, Texas 78759-3504 USA Tel: 512 794 0100 Worldwide Offices Aus.
Important Information Warranty The PCI-6527 and PXI-6527 devices are warranted against defects in materials and workmanship for a period of one year from the date of shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replace equipment that proves to be defective during the warranty period.
© National Instruments Corporatio n v 6527 User Manual Contents About This Manual How To Use the Manual Set ............ ............ ........... .............. ........... ............ .............. .... vii Conventions ............ ........... ...
Contents 6527 User Manual vi ni.com Output Channels .................... .............. ............ .............. ........... .............. ......... 3-10 Overcurrent Protection .......... .............. ............ .............. ........... ....
© National Instruments Corporatio n vii 6527 User Manual About This Manual This manual describes the electrical and mechanical aspects of the 652 7 devices, and contains information concerning their operation and programming. How T o Use the Manual Set The 6527 User Manual is one piece of the d ocumentation set for your data acquisition system.
About This Man ual 6527 User Manual viii ni.com Conventions The following con ventions appear in thi s manual: < > Angle brackets that contain numbers separated by an ellipsis represent a range of values associated with a bit or signal name — for e xample, DIG+0.
© National Instruments Corporatio n 1-1 6527 User Manual 1 Getting Started with Y our 6527 This chapter describes the 6527 devices, l ists what you need to get started, software programming choices, and optional equipment, describes custom cabling options, and explains how to unpack your board.
Chapter 1 Getting Started with Y our 6527 6527 User Manual 1-2 ni.com Using PXI with CompactPCI Using PXI-compatible products with standard Co mpactPCI products is an important feature provided b y the PXI Specifi cation , Revision 1.
Chapter 1 Getting Started with Y our 6527 © National Instruments Corporatio n 1-3 6527 User Manual Software Programming Choices There are several options to choose from when programm ing your National Instruments DAQ hardware. You can use LabVIEW, LabWindows/CVI, Visual C ++, or Visual Basic with the NI-DAQ driver software.
Chapter 1 Getting Started with Y our 6527 6527 User Manual 1-4 ni.com Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Y our Hardware Optional Equipment National Instrumen.
Chapter 1 Getting Started with Y our 6527 © National Instruments Corporatio n 1-5 6527 User Manual Custom Cabling National Instruments offers cables and accessories for you to prototype your application o r to use if you freq uently change board interconnect ions.
Chapter 1 Getting Started with Y our 6527 6527 User Manual 1-6 ni.com Unpacking Your 6527 device is shipped in an antistatic package to prevent elect rostatic damage to the board.
© National Instruments Corporatio n 2-1 6527 User Manual 2 Installing and Configuring the 6527 This chapter describes how to install and configure your 6527 de vice. Installing Software This section describes how to install your software. Note Install your software before you install your 6527 d e vi ce.
Chapter 2 Installing and Configuring the 6527 6527 User Manual 2-2 ni.com ♦ PCI-6527 To install a PCI-6527 in any available 5 V PCI expansion slot in your computer: 1. T urn off and unplug your computer . 2. Remov e the top cover or access p ort to the expansion slots.
Chapter 2 Installing and Configuring the 6527 © National Instruments Corporatio n 2-3 6527 User Manual Y our 6527 is now i nstalled. Y ou are no w ready to configure your hardware and software.
© National Instruments Corporatio n 3-1 6527 User Manual 3 Making Signal Connections This chapter describes the pin arrangement, signal names, and signal connections on y our 6527 device. Caution Connections that exceed an y of the maximum ratings of input or output signals on your 6527 device can damage the board and your computer .
Chapter 3 Making Signal Connections 6527 User Manual 3-2 ni.com Note For input ports, connect the higher voltage to the DIG+ pin and the lower v oltage to the DIG – pin. For output ports, you can connect signals to the two pins of each line without regard to which v olt age is higher .
Chapter 3 Making Signal Connections © National Instruments Corporatio n 3-3 6527 User Manual Cable Assembly Connectors The optional R1005050 cable assembly you can u se with the 6527 device is an assembly of two 50-pin cables and thr ee connectors.
Chapter 3 Making Signal Connections 6527 User Manual 3-4 ni.com Figur e 3-2. Cable-Assembly Connector Pinout for the R1005050 Ribbon Cable +5 V DIG+0.0 DIG+0.1 DIG+0.2 DIG+0.3 DIG+0.4 DIG+0.5 DIG+0.6 DIG+0.7 DIG+1.0 DIG+1.1 DIG+1.2 DIG+1.3 DIG+1.4 DIG+1.
Chapter 3 Making Signal Connections © National Instruments Corporatio n 3-5 6527 User Manual I/O Connector Signal Descriptions Table 3-2. Signal Descriptions for 6527 I/O Connector Pins Pin Signal Name Descripti on 33, 35, 37, 39, 41, 43, 45, 47 DIG+0.
Chapter 3 Making Signal Connections 6527 User Manual 3-6 ni.com Power Connections Four of the pins on the I/O co nnector are not isolated. Pin 50 and pin 100 connect to GND, the computer ground reference. Pin 49 and pin 99 of the I/O connector supply +5 V from the computer power supply via a self-resetting fuse.
Chapter 3 Making Signal Connections © National Instruments Corporatio n 3-7 6527 User Manual Isolation V oltages The positive and negative (DIG+ and DIG – ) terminals of each channel are isolated from the other input and out put channels, from the +5 V and GND pins, and from the com puter power supply .
Chapter 3 Making Signal Connections 6527 User Manual 3-8 ni.com Sensing DC V oltages When you apply a DC voltage of at least 2 V across the t wo input terminals, the 6527 device registers a logic hi gh for that input. If no voltage is present (a voltage difference of 1 V or less), the 6527 device registers a logic lo w for that input.
Chapter 3 Making Signal Connections © National Instruments Corporatio n 3-9 6527 User Manual Reducing the For ward Current for High V oltages As input voltage increases above 5 V, th e input current drawn by th e 6527 (forward current I f ) also rises.
Chapter 3 Making Signal Connections 6527 User Manual 3-10 ni.com Solid-State Relay Outputs On a 6527 device, I/O connect or pins 51 through 9 8, shown in Figure 3-1, represent the terminals of the solid -state relays.
Chapter 3 Making Signal Connections © National Instruments Corporation 3-11 6527 User Manual Writing a 0 (logic low) to an output bit closes the relay , and writing a 1 (logic high) opens the relay . T o both sink and source current with one channel requ ires an external resistor .
Chapter 3 Making Signal Connections 6527 User Manual 3-12 ni.com The following equation sho ws th e minimum sink current when V OUT is 0.5 V : Figure 3-6.
Chapter 3 Making Signal Connections © National Instruments Corporation 3-13 6527 User Manual The ov ercurrent protection ratin gs for a 6527 de v ice are as follows ( t y p i c a la t2 5 ° C): • O.
© National Instruments Corporatio n 4-1 6527 User Manual 4 Using the 6527 This chapter contains a functional overvie w of the 6527 device, explains the operation of each functional unit, and describes the digital filter and change detection opti ons.
Chapter 4 Using the 6527 6527 User Manual 4-2 ni.com Figure 4-1. 6527 Block Diagram PCI Interface Circuitr y Your 6527 board uses the PCI MITE ASIC, designed by National Instruments specifically for data acquisition, to communicate with the PCI bus. The PCI MITE is ful ly compliant wit h PCI Local Bu s Specification 2.
Chapter 4 Using th e 6527 © National Instruments Corporatio n 4-3 6527 User Manual Digital I/O Circuitr y You can use your 6527 board as follows: • Output ports – Write – Read back • Input po.
Chapter 4 Us ing the 6527 6527 Use r Manual 4-4 ni.com The f ilt er operates on the inputs from the optocou p lers. The op tocouplers turn on faster than they turn of f , passing rising edges faster th an falling edges.
Chapter 4 Using th e 6527 © National Instruments Corporatio n 4-5 6527 User Manual Figure 4-2. Digital Filter T iming Change Notification You can program the 6527 to notify you of changes on input lines. Ch ange notification can reduce the num ber of reads your software must perform t o monitor inputs.
Chapter 4 Using the 6527 6527 User Manual 4-6 ni.com • Bit 1 is connected to a limit sensor; the 6527 detects rising edg es on the sensor , which corresp ond to ov er-limit conditions. • Bit 0 is connected to a switch. Y our software can react to any switch closure, represented by a f alling edge.
© National Instruments Corporatio n A- 1 6527 User Manual A Specifications This appendix lists t he specifications for the 652 7 devices. These specifications are typical at 25 ° C unless otherwise noted. Digital I/O PCI/PXI-6527....................
Appendix A Specifications 6527 User Manual A-2 ni.com Max switching v oltage AC............ ...................... ..................30 V RMS (42 V peak) DC............ ...................... ..................60 VDC Max switching capacity ...........
Appendix A Specifications © National Instruments Corporatio n A- 3 6527 User Manual Physical Dimensions (not including co nnectors) PCI-652 7 ............... ...................... .... 17.5 × 10.7 cm (6.9 × 4.2 in.) PXI-652 7 .................. ..
© National Instruments Corporatio n B- 1 6527 User Manual B T echnical Support Resources W eb Support National Instruments W eb support is your first stop for help in solving installation, configuration, and application pro blems and questions.
Appendix B T echnical Support R esources 6527 User Manual B-2 ni.com W orldwide Support National Instruments has of fices located around the world to help address your support needs. Y ou can access our branch off ice W eb sites from the W orldwide Of fices section of ni.
© National Instruments Corporatio n G-1 6527 User Manual Glossar y Pref ix Meanings V alue n- nano- 10 – 9 µ -m i c r o - 1 0 – 6 m- milli- 10 – 3 k- kilo- 10 3 Numbers/Symbols ° degrees – .
Glossary 6527 User Manual G-2 ni.com C CC e l s i u s CA T I installation cate g ory (ov ervoltage category) I — equipment for which measures are taken to limit tra nsient ov ervoltages to an appropriate low le vel.
Glossary © National Instruments Corporatio n G-3 6527 User Manual I I/O input/output in. inches isolation signal conditioning to break g round loops and reject high comm on-mode v oltages to protect .
Glossary 6527 User Manual G-4 ni.com S s seconds T TTL transistor-transistor logic, or 5 V digital voltage le vels originally used with transisto r-transis tor logic V V volts V cc supply voltage; for.
© National Instruments Corporatio n I-1 6527 User Manual Index Numbers +5 V signal description (table), 3-5 power connections, 3-6 6527 devices block diagram, 4-2 change notification, 4-5 to 4-6 cust.
Index 6527 User Manual I-2 ni.com E environment specifications, A-3 equipment, op tional, 1-4 F filtering. See digital f iltering. forward current for high voltages, reducing, 3-9 fuse, self-resetting.
Index © National Instruments Corporatio n I-3 6527 User Manual power connections, 3-6 power rating, 3-6 power requirement specifications, A-2 power-on and power-off conditio ns, 3-13 PXI, using with Com pactPCI, 1-2 R R1005050 cable assembly. See cable assembly connectors.
An important point after buying a device National Instruments 6527 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought National Instruments 6527 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data National Instruments 6527 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, National Instruments 6527 you will learn all the available features of the product, as well as information on its operation. The information that you get National Instruments 6527 will certainly help you make a decision on the purchase.
If you already are a holder of National Instruments 6527, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime National Instruments 6527.
However, one of the most important roles played by the user manual is to help in solving problems with National Instruments 6527. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device National Instruments 6527 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
