National Instruments NI 2565 User Manual
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National Instruments NI 2565 User Manual

National Instruments NI 2565 User Manual

Computer-based instruments. 16-channel mechanical relay switch
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  • Page 1 (217) 352-9330 | Click HERE Find the National Instruments PXI-2565 at our website:...
  • Page 2 Computer-Based Instruments NI 2565 User Manual 16-Channel Mechanical Relay Switch NI 2565 User Manual December 1998 Edition Part Number 322121A-01...
  • Page 3 Singapore 2265886, Spain 91 640 0085, Sweden 08 730 49 70, Switzerland 056 200 51 51, Taiwan 02 377 1200, United Kingdom 01635 523545 National Instruments Corporate Headquarters 6504 Bridge Point Parkway Austin, Texas 78730-5039 USA Tel: 512 794 0100 © Copyright 1998 National Instruments Corporation. All rights reserved.
  • Page 4 Warranty The NI 2565 switch card and accessories 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.
  • Page 5 This device complies with the FCC rules only if used with shielded interface cables of suitable quality and construction. National Instruments used such cables to test this device and provides them for sale to the user. The use of inferior or nonshielded interface cables could void the user’s authority to operate the equipment under the...
  • Page 6 Conventions The following conventions are used in this manual. < > Angle brackets containing numbers separated by an ellipsis represent a range of values associated with a port, bit, or signal name (for example, CH<0..15> stands for the signals CH0 through CH15). This icon to the left of bold italicized text denotes a note, which alerts you to important information.

  • Page 7: Table Of Contents

    Contents Chapter 1 Routing Signals with Your NI 2565 About the NI 2565 ......................1-1 Triggers......................1-1 High Voltage........................1-2 Contact Protection......................1-2 Connecting Signals ......................1-3 Front Connector....................1-3 Screw Terminal Accessory ....................1-4 Software Choices ......................1-4 NI-SWITCH Driver Software .................1-4 National Instruments Application Software ............1-4 Third-Party Software ..................1-5...
  • Page 8 Glossary Index Figures Figure 1-1. Front Connector Pinout Assignments ........... 1-3 Figure 2-1. NI 2565 Module Block Diagram ............2-3 Figure B-1. NI 2565 Parts Locator Diagram ............B-2 Figure B-2. Replacing a Relay ................. B-4 Figure C-1. NI 2565 Switch Architecture ..............C-2 Table Table 1-1.

  • Page 9: Routing Signals With Your Ni 2565

    The External Trigger Input trigger is sourced by another instrument or by software, and causes the NI 2565 to advance to the next entry in the scan list. The triggers can be routed to any of the PXI TTL triggers or to the PXI star trigger.

  • Page 10: High Voltage

    Do not exceed 250 V channel-to-channel or channel-to-ground. Any connections that exceed the maximum settings for the NI 2565 can result in an electrical shock hazard and damage to the switch card and any or all of the boards connected to the PXI backplane.

  • Page 11: Connecting Signals

    Routing Signals with Your NI 2565 Connecting Signals This section describes the signal connections to the NI 2565 module via the module front connector. This section also includes specifications and connection instructions for the signals on the NI 2565 module connectors.

  • Page 12: Screw Terminal Accessory

    LabVIEW features interactive graphics, a state-of-the-art user interface, and a powerful graphical programming language. The LabVIEW NI-SWITCH VI Library, a series of virtual instruments (VIs) for using LabVIEW with National Instruments switch hardware, is included with the NI-SWITCH driver. NI 2565 User Manual...

  • Page 13: Third-Party Software

    LabWindows/CVI features interactive graphics, a state-of-the-art user interface, and uses the ANSI standard C programming language. The LabWindows/CVI NI-SWITCH Library, a series of functions for using LabWindows/CVI with National Instruments switch hardware, is included with the NI-SWITCH driver. Third-Party Software The NI-SWITCH instrument driver also includes support files for Microsoft Visual C++ and Microsoft Visual Basic.

  • Page 14: Ni 2565 Operation

    Return the instrument to National Instruments for service and repair to ensure that its safety is not compromised. Connections that exceed any of the maximum signal ratings on the NI 2565 can create a shock or fire hazard or can damage any or all of the devices connected to ©...

  • Page 15: Functional Overview

    Chapter 2 NI 2565 Operation the NI 2565. National Instruments is NOT LIABLE FOR ANY DAMAGES OR INJURIES resulting from incorrect signal connections. Clean instrument and accessories by brushing off light dust with a soft, nonmetallic brush. Remove other contaminants with a stiff nonmetallic brush.

  • Page 16: Figure 2-1. Ni 2565 Module Block Diagram

    Chapter 2 NI 2565 Operation Figure 2-1. NI 2565 Module Block Diagram © National Instruments Corporation NI 2565 User Manual...

  • Page 17: General Purpose Relays

    SCC can process them: • The operate and release times for the NI 2565 are 10 ms and 5 ms, respectively. Using memory storage, the software can send multiple commands to the SCC without having to wait for a relay action to complete.

  • Page 18: Pxi Interface

    PXI Interface The NI 2565 switch card has a PXI interface through which you can use your driver software to configure and control the card. The NI 2565 takes advantage of PXI features. It uses the PXI TTL triggers to synchronize scanning with a measurement device such as a National Instruments NI 4060 PXI digital multimeter (DMM).

  • Page 19: Scanner Advanced

    You can use this handshaking mode for multicard scanning. Note The NI 2565 ignores external triggers when it is not in a wait-for-trigger state while scanning. Initiating Scanning When you use the NI 2565 to initiate a scan, make sure the measurement device is armed (waiting for trigger) before enabling scanning on the switch card.

  • Page 20: Multicard Triggering

    Note The NI 2565 does not support triggers on the front panel connector. If the measurement instrument is external to the chassis you must use a different National Instruments switch card, such as the NI 2503, as the master switch card.

  • Page 21: Appendix A Specifications

    Specifications This appendix lists the specifications for the NI 2565 switch card. These specifications are typical at 25° C unless otherwise noted. Input Characteristics Number of Relays ......... 16 Common Mode Voltage Channel to Channel......250 V /250 VDC Channel to Earth ......250 V...
  • Page 22 Maximum (All Relays Closed)..1.4 A Generated Wattage All Relays Opened........1.75 W All Relays Closed, 0.0 A per Channel..7.0 W All Relays Closed, 5.0 A per Channel..21.5 W All Relays Closed, 7.0 A per Channel..35.0 W NI 2565 User Manual © National Instruments Corporation...
  • Page 23 CE Mark Compliance This product meets applicable EU directives as follows: Safety Isolation ........low-voltage safety, EN 61010-1:1993 EMC Directive Immunity......... EN 50082-1:1992 Emissions ........EN 55011:1991, Group 1 Class A at 10 m © National Instruments Corporation NI 2565 User Manual...

  • Page 24: Appendix B Customizing Your Card

    You can limit flyback voltages at your inductive load by installing a flyback diode for DC loads or a varistor for AC loads. The NI 2565 module has solder connections for a diode or varistor. With this diode/varistor installed, you can limit flyback voltages when switching inductive loads.

  • Page 25: Figure B-1. Ni 2565 Parts Locator Diagram

    Ground yourself via a grounding strap or a ground connected to your PXI chassis. Properly grounding yourself prevents damage to your PXI module from electrostatic discharge. Loosen the four screws that fasten the NI 2565 relay module board to the switch carrier module and front panel. 1 Carrier module...
  • Page 26 Solder and trim the leads. Reassemble the module. Replacing Relays The NI 2565 uses socketed relays, which are easy to replace when they fail. The electrical life of the relay is approximately 10 operations when switching at the rated load.

  • Page 27: Figure B-2. Replacing A Relay

    2. Seat the relay securely so that the socket relay and socket. hooks on the top surface of the relay. When removing the relay, apply force in the direction as shown. Figure B-2. Replacing a Relay NI 2565 User Manual © National Instruments Corporation...
  • Page 28 Architecture Drawing This appendix contains an architecture drawing for the NI 2565 switch card. Relay names are based on the signal names. For example, the relay that connects CH9 to COM9 is named CH9. © National Instruments Corporation NI 2565 User Manual...

  • Page 29: Figure C-1. Ni 2565 Switch Architecture

    Appendix C Architecture Drawing COM0 COM1 COM2 COM3 COM4 COM5 COM6 COM7 COM8 COM9 COM10 CH10 COM11 CH11 COM12 CH12 COM13 CH13 COM14 CH14 COM15 CH15 Figure C-1. NI 2565 Switch Architecture NI 2565 User Manual © National Instruments Corporation...
  • Page 30 Common Questions This appendix addresses common questions you may have while using your NI 2565 switch card. What should I do if the software detects the board but the switches do not switch? • Verify that the switches do not switch. Close your application program and then launch the soft front panel as described in the Set up and Test document you received with your kit.
  • Page 31 Compare your algorithm to the ones in the examples. Do I need to program the switch card myself? The NI 2565 comes with the NI-SWITCH driver software, which exports the full functionality of the card. NI-SWITCH handles the complex issues of direct memory access, interrupts, and operating system interfacing.

  • Page 32: Customer Communication

    Electronic Services Bulletin Board Support National Instruments has BBS and FTP sites dedicated for 24-hour support with a collection of files and documents to answer most common customer questions. From these sites, you can also download the latest instrument drivers, updates, and example programs. For recorded instructions on how to use the bulletin board and FTP services and for BBS automated information, call 512 795 6990.
  • Page 33 Telephone and Fax Support National Instruments has branch offices all over the world. Use the list below to find the technical support number for your country. If there is no National Instruments office in your country, contact the source from which you purchased your software to obtain support.
  • Page 34 National Instruments for technical support helps our applications engineers answer your questions more efficiently. If you are using any National Instruments hardware or software products related to this problem, include the configuration forms from their user manuals. Include additional pages if necessary.
  • Page 35 Complete a new copy of this form each time you revise your software or hardware configuration, and use this form as a reference for your current configuration. Completing this form accurately before contacting National Instruments for technical support helps our applications engineers answer your questions more efficiently.
  • Page 36 List All Boards in PXI Mainframe PXI Slot Manufacturer, Description, and Function...
  • Page 37 Documentation Comment Form National Instruments encourages you to comment on the documentation supplied with our products. This information helps us provide quality products to meet your needs. Title: NI 2565 User Manual Edition Date: December 1998 Part Number: 322121A-01 Please comment on the completeness, clarity, and organization of the manual.

  • Page 38: Glossary

    American National Standards Institute breakpoint a specified point in program code where the program pauses to perform some action; a breakpoint interrupt can be added to a scan list for debugging or other special needs. © National Instruments Corporation NI 2565 User Manual...
  • Page 39 Deutsche Industrie Norme diode an electronic component that acts primarily as a one-way valve NI 2565 User Manual © National Instruments Corporation...
  • Page 40 Industry Standard Architecture See Interchangeable Virtual Instrument. © National Instruments Corporation NI 2565 User Manual...
  • Page 41 Glossary megabytes of memory NI-SWITCH an IVI-based instrument driver that supports the National Instruments line of switch cards PCI with extensions for instrumentation random scanning scanning the channels in a mux in any order relay a switch that connects or disconnects the signal to a common through the...
  • Page 42 PC, that has the functionality of a classic stand-alone instrument (2) a LabVIEW software module (VI), which consists of a front panel user interface and a block diagram program © National Instruments Corporation NI 2565 User Manual...
  • Page 43 Glossary watts wire data path between nodes NI 2565 User Manual © National Instruments Corporation...
  • Page 44 1-1 customer communication, E-1 high voltage, 1-2 customizing, B-1 I/O connector, A-3 debounced I/O mating connector, A-3 See also contact bounce initiating scanning, 2-6 definition of, G-2 input characteristics, A-1 © National Instruments Corporation NI 2565 User Manual...
  • Page 45 Index installation definition of, 1-1 of diode varistor, B-1 expected life, A-2 of NI 2565 module, B-1 front connector, 1-3 insulation functional overview, 2-2 coordination of, 1-2 general purpose relays, 2-4 rating, A-3 module block diagram, 2-3 reinforced, 1-2 operate and release times, 2-4...
  • Page 46 1-1 multicard, 2-7 slave switch card, 2-7 on front panel connector, 2-7 software choices, 1-4 PXI star trigger, 2-5, 2-6 data acquisition, 1-4 PXI TTL, 2-5, 2-6 data analysis, 1-4 © National Instruments Corporation NI 2565 User Manual...
  • Page 47 SCANADV trigger modes, 2-6, 2-7 scanner advanced trigger, 1-1, 2-6 Visual Basic, 1-5 definition of, G-5 voltage switching capabilities, 1-1 types used, 1-1 wait-for-trigger state, 2-6 wait-for-trigger state, 2-6 weight, A-3 user interface, 1-5 NI 2565 User Manual © National Instruments Corporation...

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