National Instruments NI 2565 User Manual Download

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Computer-Based
Instruments

NI 2565 User Manual

16-Channel Mechanical Relay Switch

NI 2565 User Manual

December 1998 Edition

Part Number 322121A-01

Summary of Contents for NI 2565

Page 1: ...derutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of their respective own...

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: ... 3336 Canada Ontario 905 785 0085 Canada Québec 514 694 8521 Denmark 45 76 26 00 Finland 09 725 725 11 France 01 48 14 24 24 Germany 089 741 31 30 Hong Kong 2645 3186 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico 5 520 2635 Netherlands 0348 433466 Norway 32 84 84 00 Singapore 2265886 Spain 91 640 0085 Sweden 08 730 49 70 Switzerland 056 200 51 51 Taiwan 02 377 1200 ...

Page 4: ...PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of National Instruments will apply regardless of the form of action whether in contract or tort including negligence Any action against National Instruments must be brought within one year after the cause of action accrues National Instruments shall not be liab...

Page 5: ...dential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Notices to User Changes or modifications not expressly approved by National Instruments could void the user s authority to operate the equipment under the FCC Rules This device complies with the FCC rules only if used with shielded interface cables of suitable...

Page 6: ...mation This icon to the left of bold italicized text denotes a caution which advises you of precautions to take to avoid injury data loss or a system crash This icon to the left of bold italicized text denotes a warning which advises you of precautions to take to avoid being electrically shocked bold italic Bold italic text denotes a note caution or warning italic Italic text denotes variables emp...

Page 7: ...are Choices 1 4 NI SWITCH Driver Software 1 4 National Instruments Application Software 1 4 Third Party Software 1 5 Chapter 2 NI 2565 Operation Safety Instructions 2 1 Functional Overview 2 2 General Purpose Relays 2 4 Switch Control Circuitry 2 4 Random Scanning 2 4 PXI Interface 2 5 Triggers 2 5 External Trigger Input 2 5 Scanner Advanced 2 6 Modes 2 6 Initiating Scanning 2 6 Multicard Triggeri...

Page 8: ... Appendix E Customer Communication 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 Front Connector Signal Description 1 3 ...

Page 9: ...d can switch voltages up to 250 VAC and 125 VDC and currents up to 7 A AC and 5 A DC You can use the National Instruments NI SWITCH software included with your kit to configure and operate the NI 2565 switch card Triggers Two triggers are used to handshake the NI 2565 switch with other PXI instruments The Scanner Advanced trigger indicates when the card has closed all the necessary switches for th...

Page 10: ...sis Before applying high voltage to the module always tighten the four captive screws to provide a ground connection from the module to the chassis Warning 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 PX...

Page 11: ...removing a module from the chassis or whenever working on a module Front Connector The following diagram shows the pin assignments for the NI 2565 front connector Table 1 1 describes the connector signals Figure 1 1 Front Connector Pinout Assignments Table 1 1 Front Connector Signal Description Signal Name Type Description CH 0 15 Input Output Channels Where signals are connected to the switch car...

Page 12: ...front panel and online documentation NI SWITCH eliminates the need to understand complex register programming and interrupt handling in the Microsoft operating systems and frees you to focus on creating your test system National Instruments Application Software LabVIEW and LabWindows CVI are innovative program development software packages for data acquisition and control applications LabVIEW uses...

Page 13: ... 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 See the NI SWITCH readme file for version support information ...

Page 14: ...res built into this instrument can become impaired if the instrument becomes damaged in any way If the instrument is damaged do not use it until service trained personnel can check its safety If necessary return the instrument to National Instruments for service and repair to ensure that its safety is not compromised Do not operate this instrument in a manner that contradicts the information speci...

Page 15: ...t dust with a soft nonmetallic brush Remove other contaminants with a stiff nonmetallic brush The unit must be completely dry and free from contaminants before returning to service Functional Overview The following block diagram illustrates the key functional components of the NI 2565 switch card module The major components of the NI 2565 module are as follows General purpose relays Relay switch c...

Page 16: ... National Instruments Corporation 2 3 NI 2565 User Manual Figure 2 1 NI 2565 Module Block Diagram COM1 CH1 COM2 CH2 COM14 CH14 COM0 CH0 COM15 CH15 Front Connector Relay Control Triggers PXI Interface Scan Memory PXIbus Connector ...

Page 17: ...from its corresponding common Switch Control Circuitry The switch control circuitry SCC is responsible for opening and closing relays on the NI 2565 You can load commands for the SCC into memory storage using the driver software you received with your kit Consult the online help or your software documentation for specific information on the appropriate commands There are two reasons for storing th...

Page 18: ...rectly into the memory of the card to deliver the fastest scan possible with no controller intervention You can configure the switch card to process the scan list once or to continuously loop through the scan list 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 ...

Page 19: ...e SCANADV trigger goes low after the external trigger input asserts 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 Enab...

Page 20: ...d can route an external trigger from the front connector to a PXI backplane trigger In addition the master switch card can route the SCANADV trigger from the PXI backplane to either the front connector or another backplane trigger This functionality makes it possible to wire external triggers from to only one switch card in the system which simplifies the wiring scheme Note The NI 2565 does not su...

Page 21: ... Relays 16 Common Mode Voltage Channel to Channel 250 Vrms 250 VDC Channel to Earth 250 Vrms 250 VDC Maximum Switching Voltage AC 250 Vrms DC 125 VDC Maximum Switching Capacity per Channel DC 5 A 30 VDC resistive load DC 3 A 30 VDC inductive load AC 7 A 250 VAC resistive load AC 5 A 250 VAC inductive load Maximum Switching Power per Channel 1750 VA 150 W Contact On Resistance Initial 30 mΩ Contact...

Page 22: ... operations Electrical at Maximum Switching Capacity 105 operations Caution Exceeding the maximum switching capability will decrease the expected life of the NI 2565 PXI Bus Interface Slave PXI Trigger Bus Trigger Lines 8 Star Trigger 1 Power Requirement 5 VDC Minimum All Relays Opened 350 mA Maximum All Relays Closed 1 4 A Generated Wattage All Relays Opened 1 75 W All Relays Closed 0 0 A per Cha...

Page 23: ...to 70 C Relative Humidity 5 to 85 non condensing Maximum Altitude 2 000 m Safety Approved Usage UL listed PXI or Compact PCI Chassis Installation Category Category II Pollution Degree II Reinforced Insulation Rating Channel to Earth 250 V Basic Insulation Rating Channel to Channel 250 V Certifications and Compliances CE Mark Compliance This product meets applicable EU directives as follows Safety ...

Page 24: ...ontacts and greatly shorten the life of the relay 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 Caution Before installing the diode or varistor in your module ...

Page 25: ...ding yourself prevents damage to your PXI module from electrostatic discharge 2 Loosen the four screws that fasten the NI 2565 relay module board to the switch carrier module and front panel Figure B 1 NI 2565 Parts Locator Diagram 1 Carrier module 2 Solder location for flyback voltage protection device 3 Relay module 4 Screws 5 Insulator 6 Relay and socket 7 Ribbon cable 1 2 3 4 5 6 7 ...

Page 26: ...lay replacement kit from National Instruments The replacement kit includes 16 new relays Follow these instructions to replace the failed relay Refer to Figure B 1 1 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 2 Remove the four screws that fasten the NI 2565 relay module b...

Page 27: ...onal Instruments Corporation Figure B 2 Replacing a Relay When removing the relay apply force in the direction as shown 1 Match the direction of relay and socket 2 Seat the relay securely so that the socket hooks on the top surface of the relay Correct Incorrect ...

Page 28: ...ation C 1 NI 2565 User Manual C 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 ...

Page 29: ...ser Manual C 2 National Instruments Corporation Figure C 1 NI 2565 Switch Architecture COM1 CH1 COM0 CH0 COM2 CH2 COM4 CH4 COM5 CH5 COM3 CH3 COM6 CH6 COM7 CH7 COM8 CH8 COM9 CH9 COM11 CH11 COM12 CH12 COM10 CH10 COM13 CH13 COM14 CH14 COM15 CH15 ...

Page 30: ...e NI SWITCH Software User Manual The NI SWITCH driver also ships with several examples in source code Compare your algorithm to those in the examples What should I do if scanning does not work First ensure that you have configured the switch card and the instrument to match trigger lines The output trigger of the instrument should connect to the trigger input of the switch card In addition the sca...

Page 31: ...tware User Manual The NI SWITCH driver also ships with several examples in source code 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: ...es not answer your questions we offer fax and telephone support through our technical support centers which are staffed by applications engineers 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 instru...

Page 33: ...office in your country contact the source from which you purchased your software to obtain support Country Telephone Fax Australia 03 9879 5166 03 9879 6277 Austria 0662 45 79 90 0 0662 45 79 90 19 Belgium 02 757 00 20 02 757 03 11 Brazil 011 288 3336 011 288 8528 Canada Ontario 905 785 0085 905 785 0086 Canada Québec 514 694 8521 514 694 4399 Denmark 45 76 26 00 45 76 26 02 Finland 09 725 725 11 ...

Page 34: ...____ Instruments used _________________________________________________________________ _______________________________________________________________________________ National Instruments hardware product model _____________ Revision ____________________ Configuration ___________________________________________________________________ National Instruments software product ___________________ Vers...

Page 35: ...___________________________________________ ________________________________________________________________________________ Programming choice _______________________________________________________________ Other Products PXI chassis make and model________________________________________________________ Microprocessor __________________________________________________________________ Clock freque...

Page 36: ...List All Boards in PXI Mainframe PXI Slot Manufacturer Description and Function 1 2 3 4 5 6 7 8 ...

Page 37: ...________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________...

Page 38: ...09 Numbers and Symbols degrees Ω ohms percent plus or minus 1form A single pole single throw relay A A amperes AC alternating current ANSI American National Standards Institute B 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 ...

Page 39: ... are as follows Voltage Phase to_Earth Category I Category II 150 V 800 V 1 500 V 300 V 1 500 V 2 500 V channel pin or wire lead on the multiplexer to which you apply or from which you read the analog or digital signal Signals can be single ended or differential contact bounce the intermittent switching that occurs when the movable metal parts of a relay make or break contact D DC direct current d...

Page 40: ...uch as A D conversion F flyback voltage the voltage spike generated the instant current stops flowing through an inductor H handshaking the use of two trigger lines between two instruments such as a switch and a DMM to synchronize their actions Hz hertz the number of scans read or updates written per second I in inches Interchangeable Virtual Instrument an advanced architecture for instrument driv...

Page 41: ...arm RMA Return Material Authorization rms root mean square the square root of the average value of the square of the instantaneous signal amplitude a measure of signal amplitude RTD resistance temperature detector a metallic probe that measures temperature based upon its coefficient of resistivity S s seconds scan the data acquisition of signals connected to multiple channels of a multiplexer Typi...

Page 42: ...ermistor a semiconductor sensor that exhibits a repeatable change in electrical resistance as a function of temperature Most thermistors exhibit a negative temperature coefficient thermocouple a temperature sensor created by joining two dissimilar metals The junction produces a small voltage as a function of the temperature trigger any event that causes or starts some form of data capture TTL Tran...

Page 43: ...Glossary NI 2565 User Manual G 6 National Instruments Corporation W W watts wire data path between nodes ...

Page 44: ...of G 2 continuous scanning 2 5 current switching capabilities 1 1 customer communication E 1 customizing B 1 D debounced See also contact bounce definition of G 2 diagram parts locator B 2 dimensions A 3 diode varistor installation B 1 DMM and multicard triggering 2 7 dynamic characteristics A 2 E electronic services E 1 expected life A 2 external trigger 2 7 F flyback voltage B 1 definition of G ...

Page 45: ...unction 2 7 NI 2565 about 1 1 architecture drawing C 1 common questions D 1 customizing B 1 definition of 1 1 expected life A 2 front connector 1 3 functional overview 2 2 general purpose relays 2 4 module block diagram 2 3 operate and release times 2 4 operation 2 1 parts locator diagram B 2 routing signals 1 1 safety instructions 2 1 switch architecture C 2 technical support form E 3 E 5 NI Spy ...

Page 46: ... 4 data acquisition 1 4 data analysis 1 4 graphical data presentation 1 4 instrument control 1 4 National Instruments application software 1 4 NI SWITCH driver software 1 4 third party software 1 5 solder location for flyback voltage protection B 2 specifications A 1 overvoltage specifications categories G 2 storage temperature A 3 storing commands in memory reasons for 2 4 switch architecture C 2...

Page 47: ...s Corporation SCANADV trigger modes 2 6 2 7 scanner advanced trigger 1 1 2 6 definition of G 5 types used 1 1 wait for trigger state 2 6 U user interface 1 5 V Visual Basic 1 5 voltage switching capabilities 1 1 W wait for trigger state 2 6 weight A 3 ...

Page 48: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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