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National Instruments DAQ SCXI-1161 Скачать руководство пользователя страница 53

Glossary

SCXI-1161 User Manual

G-2

©

National Instruments Corporation

C

C

Celsius

CHS

Chassis

CHSGND

Chassis Ground

COM

common

cpm

cycles per minute

D

D/A

digital-to-analog

D*/A

Data/Address

DAQD*/A

Data Acquisition Board Data/Address Line

DC

direct current

DIG GND

Digital Ground

DIO

digital I/O

F

FIFO

first-in-first-out

ft

feet

H

hex

hexadecimal

HSCR

Hardscan Control Register

Hz

hertz

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Содержание DAQ SCXI-1161

Страница 1: ...SCXI 1161 User Manual 8 Channel Power Relay Module SCXI 1161 User Manual March 1999 Edition Part Number 320514C 01 Copyright 1993 1999 National Instruments Corporation All Rights Reserved ...

Страница 2: ...e 01 48 14 24 24 Germany 089 741 31 30 Hong Kong 2645 3186 India 91805275406 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico D F 5 280 7625 Mexico Monterrey 8 357 7695 Netherlands 0348 433466 Norway 32 27 73 00 Singapore 2265886 Spain Madrid 91 640 0085 Spain Barcelona 93 582 0251 Sweden 08 587 895 00 Switzerland 056 200 51 51 Taiwan 02 2377 1200 United Kingdom 01635 ...

Страница 3: ...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 liable for any delay in performance due to causes beyond its reasonable control The warranty provided herein does n...

Страница 4: ...uction About the SCXI 1161 1 1 What You Need to Get Started 1 1 Software Programming Choices 1 2 National Instruments Application Software 1 2 NI DAQ Driver Software 1 3 Register Level Programming 1 4 Optional Equipment 1 5 Custom Cables 1 5 Unpacking 1 6 Chapter 2 Configuration and Installation Module Configuration 2 1 Jumper Use 2 5 Jumper Configuration 2 5 Jumper W1 2 5 Jumper W2 2 6 Using Jump...

Страница 5: ...s 3 7 Chapter 4 Theory of Operation Functional Overview 4 1 Digital Interface 4 3 Digital Control Circuitry 4 4 Relay Channels 4 5 Appendix A Specifications Appendix B Contact Protection Appendix C Customer Communication Glossary Index Figures Figure 1 1 The Relationship between the Programming Environment NI DAQ and Your Hardware 1 4 Figure 2 1 SCXI 1161 General Parts Locator Diagram 2 2 Figure 3...

Страница 6: ... Figure 4 3 SCXI 1161 Digital Control 4 4 Tables Table 2 1 Configuration of Jumpers W1 and W2 2 7 Table 2 2 Configuration of Jumpers W3 W4 and W5 for DIO Type and MIO Type Boards 2 8 Table 3 1 Arc Suppressor Placement COM to NO 3 2 Table 3 2 Arc Suppressor Placement COM to NC 3 3 Table 3 3 Rear Signal Connector Signal Descriptions 3 6 Table 3 4 SCXIbus to SCXI 1161 Rear Signal Connector to Data Ac...

Страница 7: ...troduction describes the SCXI 1161 lists the contents of your SCXI 1161 kit describes the optional software optional equipment and custom cables and explains how to unpack the SCXI 1161 kit Chapter 2 Configuration and Installation describes the SCXI 1161 jumper configurations installation of the SCXI 1161 into the SCXI chassis signal connections to the SCXI 1161 and cable wiring Chapter 3 Signal C...

Страница 8: ...MC DIO 32F NB DIO 24 NB DIO 32F NB DIO 96 PC DIO 24 and PC DIO 96 PnP digital I O data acquisition boards unless otherwise noted DIO type board DIO type board refers to National Instruments data acquisition boards that have only digital inputs and outputs These boards include the DIO 24 DIO 32F and DIO 96 boards unless otherwise noted italic Italic text denotes emphasis a cross reference or an int...

Страница 9: ... symbols and terms National Instruments Documentation The SCXI 1161 User Manual is one piece of the documentation set for your data acquisition DAQ and SCXI system You could have any of several types of manuals depending on the hardware and software in your system Use the different types of manuals you have as follows Getting Started with SCXI This is the first manual you should read It gives an o...

Страница 10: ...ng National Instruments manual contains detailed information for the register level programmer SCXI Register Level Programmer Manual This manual is available from National Instruments by request Using NI DAQ LabView or LabWindows CVI is as easy as using the low level programming described in the register level programmer manual Refer to Software Programming Choices in Chapter 1 Introduction of thi...

Страница 11: ...n serve as a controller or switcher in laboratory testing production testing and industrial process monitoring The SCXI 1161 operates with full functionality with National Instruments MIO boards Lab NB Lab PC Lab PC Lab LC and PC LPM 16 PnP boards and with the DIO 24 DIO 32F and DIO 96 boards You can control several SCXI 1161s in a single chassis with one data acquisition board and in combination ...

Страница 12: ... functions for using LabWindows CVI with National Instruments DAQ hardware is included with the NI DAQ software kit The LabWindows CVI Data Acquisition Library is functionally equivalent to the NI DAQ software ComponentWorks contains tools for data acquisition and instrument control built on NI DAQ driver software ComponentWorks provides a higher level programming interface for building virtual in...

Страница 13: ... for maximum ease of use and low level DAQ I O functions for maximum flexibility and performance Examples of high level functions are streaming data to disk or acquiring a certain number of data points An example of a low level function is writing directly to registers on the DAQ device NI DAQ does not sacrifice the performance of National Instruments DAQ devices because it lets multiple devices o...

Страница 14: ... and inefficient and is not recommended for most users Even if you are an experienced register level programmer consider using NI DAQ LabVIEW LabWindows CVI or other National Instruments application software to program your National Instruments DAQ hardware Using the National Instruments application software is easier than and as flexible as register level programming and can save weeks of develop...

Страница 15: ...turer part number National Instruments uses for this header is as follows AMP Inc part number 1 103310 0 The mating connector for the SCXI 1161 rear signal connector is a 50 position polarized ribbon socket connector with strain relief National Instruments uses a polarized or keyed connector to prevent inadvertent upside down connection to the SCXI 1161 Recommended manufacturer part numbers for th...

Страница 16: ...the module take the following precautions Ground yourself via a grounding strap or by holding a grounded object Touch the antistatic package to a metal part of your SCXI chassis before removing the module from the package Remove the module from the package and inspect the module for loose components or any other sign of damage Notify National Instruments if the module appears damaged in any way Do...

Страница 17: ...Configuration and Installation This chapter describes the SCXI 1161 jumper configurations installation of the SCXI 1161 into the SCXI chassis signal connections to the SCXI 1161 and cable wiring Module Configuration The SCXI 1161 includes five jumpers shown in Figure 2 1 ...

Страница 18: ...n Figure 2 1 SCXI 1161 General Parts Locator Diagram Thumbscrew Tightening Strain Relief Thumbscrew Arc Suppressor Product Name Assembly Number Screw W3 Serial Rear Connector Signal Connector SCXIbus Grounding Screw FRONT REAR Number Pads Screws Relief Bar Strain Warning Label Terminals W4 W5 W1 W2 ...

Страница 19: ...the device to National Instruments for service and repair to ensure that its safety is not compromised Do not operate this equipment in a manner that contradicts the information specified in this document Misuse of this equipment could result in a shock hazard Terminals are for use only with equipment that has no accessible live parts DO NOT SUBSTITUTE PARTS OR MODIFY EQUIPMENT Because of the dang...

Страница 20: ...RE TO THE SAFETY GROUND SOLDER LUG This complies with safety agency requirements and protects against electric shock when the terminal block is not connected to the chassis To connect the safety earth ground to the safety ground solder lug run an earth ground wire in the cable from the signal source to the terminal block National Instruments is NOT liable for any damages or injuries resulting from...

Страница 21: ... and PC LPM 16 PnP boards If nothing is cabled to the rear signal connector of the SCXI 1161 the positions of these jumpers is irrelevant Further configuration of the board is software controlled and is described later in this chapter Jumper Configuration All five jumpers on the SCXI 1161 are for digital communication between the data acquisition board and the SCXI 1161 module Only one module per ...

Страница 22: ...ional Instruments software does not use this ability You must indicate to the software which module is in which slot An open collector driver drives the SERDATOUT line An open collector driver actively drives low or goes to a high impedance state relying on a pullup resistor to make the signal line go high When using a single chassis set both jumpers W1 and W2 to position 1 on the SCXI 1161 that i...

Страница 23: ...ration 2 7 SCXI 1161 User Manual Table 2 1 Configuration of Jumpers W1 and W2 Jumper Description Configuration W1 Parking position W1 Factory setting Connects pullup to SERDATOUT W2 Parking position W2 Factory setting Connects MISO to SERDATOUT 3 2 1 3 2 1 3 2 1 3 2 1 ...

Страница 24: ...with a DIO type board place all three jumpers in the DIO position the factory setting If you want to use the SCXI 1161 with an MIO type board place all three jumpers in the MIO position If nothing is cabled to the SCXI 1161 rear signal connector the positions of these jumpers are irrelevant Table 2 2 Configuration of Jumpers W3 W4 and W5 for DIO Type and MIO Type Boards Jumper Configuration for DI...

Страница 25: ...into the board guides Gently guide the module into the back of the slot until the connectors make good contact If you have already installed a cable assembly in the rear of the chassis you must firmly engage the module and cable assembly however do not force the module into place 4 Screw the front mounting panel of the SCXI 1161 to the top and bottom threaded strips of your SCXI chassis Note If yo...

Страница 26: ...g common mode voltage of 250 VAC or VDC The contact to contact breakdown voltage is 750 Vrms The contact to coil breakdown voltage is 1 500 Vrms Please refer to the module specifications listed in Appendix A Specifications for further details before connecting the signals to the relay contacts Contact Protection for Inductive Load Connections When inductive loads are connected to the relays a larg...

Страница 27: ...e switching of inductive loads These pads are between the COM position and the NO position and between the COM position and the NC position of the relays To determine where to place each arc suppressor refer to Tables 3 1 and 3 2 which indicate the channel and suppressor pad assignments Table 3 1 Arc Suppressor Placement COM to NO COM to NO Channel Number Transient Voltage Suppressor Reference Des...

Страница 28: ...ct a transient voltage suppressor for AC and DC inductive loads Figure 3 2 Arc Suppressor Pad Locations Table 3 2 Arc Suppressor Placement COM to NC COM to NC Channel Number Transient Voltage Suppressor Reference Designator 0 VR2 1 VR4 2 VR6 3 VR8 4 VR10 5 VR12 6 VR14 7 VR16 NC COM NO VR2 VR1 Relay Arc Suppressor Pads ...

Страница 29: ...nal wires one at a time through the front panel strain relief You can use additional insulation or padding if necessary 5 Connect the wires to the screw terminals 6 Tighten the strain relief by tightening the larger screws 7 Snap the top cover back in place 8 Replace the grounding screw to ensure proper shielding Rear Signal Connector Note If you will use the SCXI 1161 with a National Instruments ...

Страница 30: ...he SCXI 1161 rear signal connector Figure 3 3 SCXI 1161 Rear Signal Connector Pin Assignment DIO SERDATOUT MIO SERCLK DIO SERCLK SLOT0SEL DAQD A SERDATIN DIG GND DIO SERDATOUT MIO DIG GND MIO 49 50 47 48 45 46 43 44 41 42 39 40 37 38 35 36 33 34 31 32 29 30 27 28 25 26 23 24 21 22 19 20 17 18 15 16 13 14 11 12 9 10 7 8 5 6 3 4 1 2 ...

Страница 31: ...e module digital ground Pin 50 is for DIO type boards Pin 24 is for MIO type boards Jumper W3 selects the pin 25 SERDATIN Serial Data In Taps into the SCXIbus MOSI line to provide serial input data to a module or Slot 0 26 or 47 SERDATOUT Serial Data Out Taps into the SCXIbus MISO line to accept serial output data from a module Pin 47 is for DIO type boards Pin 26 is for MIO type boards Jumper W5 ...

Страница 32: ...When you configure the SCXI 1161 for a DIO type board the digital I O signals of the SCXI 1161 match the digital I O lines of the DIO 24 and DIO 96 boards When you use the SCXI 1161 with an SCXI 1348 cable assembly the SCXI 1161 signals match the digital lines of the DIO 32F board 29 SLOT0SEL Slot 0 Select Taps into the SCXIbus INTR line to indicate whether the information on MOSI is sent to a mod...

Страница 33: ...I 1161 Rear Signal Connector to Data Acquisition Board Pin Equivalences SCXIbus Line SCXI 1161 Rear Signal Connector MIO Boards Lab NB Lab PC Lab PC Lab LC PC LPM 16 PnP DIO 24 DIO 96 DIO 32F MOSI SERDATIN ADIO0 PB4 DOUT4 PB3 APB3 DIOB3 D A DAQD A ADIO1 PB5 DOUT5 PB2 APB2 DIOB2 INTR SLOT0SEL ADIO2 PB6 DOUT6 PB1 APB1 DIOB1 SPICLK SERCLK EXTSTROBE PB7 DOUT7 PB0 APB0 DIOB0 MISO SERDATOUT BDIO0 PC1 DI...

Страница 34: ...4 Theory of Operation This chapter contains a functional overview of the SCXI 1161 module and explains the operation of each functional unit making up the SCXI 1161 Functional Overview The block diagram in Figure 4 1 shows the key functional components of the SCXI 1161 ...

Страница 35: ...tional Instruments Corporation Figure 4 1 SCXI 1161 Block Diagram NC 6 COM 6 NO 6 NC 1 COM 1 NO 1 NC 0 COM 0 NO 0 NC 7 COM 7 NO 7 Arc Suppressor Pads Relays 0 through 7 Data Register Module ID Register Digital Interface SCXIbus Connector Rear Signal Connector ...

Страница 36: ...l Interface Figure 4 2 shows a diagram of the SCXI 1161 and SCXIbus digital interface circuitry Figure 4 2 Digital Interface Circuitry Block Diagram The digital interface circuitry is divided into a data acquisition section and an SCXIbus section The SCXI 1161 connects to the SCXIbus via a 4x24 metral receptacle and to the data acquisition board via a 50 pin ribbon cable header The digital interfa...

Страница 37: ...ister with relay drive capabilities The Data Register controls the state of the SCXI 1161 relays The complete descriptions of the register bits are given in the SCXI Register Level Programmers Manual At reset or at power up the relays are set to the NC position The Module ID Register is an 8 bit parallel serial in serial out shift register The contents of the Module ID Register are written onto MI...

Страница 38: ... significant byte of the Data Register control the coils of relays 4 through 7 When you do not energize the coils the COM connects to the NC position After a write to the Data Register the data is latched and the selected relay coils are continuously driven Each relay can be set the relay COM position connected to the NO position or reset the relay COM position connected to the NC position without...

Страница 39: ...hannel 50 A maximum per module Channel on resistance 175 mΩ Contact material Silver alloy Life2 Mechanical at 180 cpm 107 operations minimum Electrical at 20 cpm 105 at rated load Isolation Terminal to terminal and terminal to earth 250 Vrms 3 Maximum speed 20 cpm at maximum load 180 cpm at no load 1 If you operate the module at high currents later operation at low currents may not be possible 2 R...

Страница 40: ...in Connectors 50 pin male ribbon cable rear connector 24 screw terminal adapter Operating Environment Temperature 0 to 50 C Relative humidity 5 to 90 at 35 C Storage Environment Temperature 20 to 70 C Relative humidity 5 to 90 noncondensing Safety Designed in accordance with UL 3121 1 for Installation Category II Pollution Degree 2 for altitudes up to 2 000 meters ...

Страница 41: ... Contact Protection This appendix contains technical data on contact protection when you are switching inductive loads 1 1 Copyright Aromat Corporation 1991 Reprinted with permission of copyright owner All rights reserved Aromat Corporation 1991 Relay Technical Data Book ...

Страница 42: ...Appendix B Contact Protection SCXI 1161 User Manual B 2 National Instruments Corporation ...

Страница 43: ...Appendix B Contact Protection National Instruments Corporation B 3 SCXI 1161 User Manual ...

Страница 44: ...Appendix B Contact Protection SCXI 1161 User Manual B 4 National Instruments Corporation ...

Страница 45: ...Appendix B Contact Protection National Instruments Corporation B 5 SCXI 1161 User Manual ...

Страница 46: ...Appendix B Contact Protection SCXI 1161 User Manual B 6 National Instruments Corporation ...

Страница 47: ...tions FAQs and their corresponding answers or solutions including special sections devoted to our newest products The database is updated daily in response to new customer experiences and feedback Troubleshooting Wizards Step by step guides lead you through common problems and answer questions about our entire product line Wizards include screen shots that illustrate the steps being described and ...

Страница 48: ...nformation on local services You can access these Web sites from www natinst com worldwide If you have trouble connecting to our Web site please contact your local National Instruments office or the source from which you purchased your National Instruments product s to obtain support For telephone support in the United States dial 512 795 8248 For telephone support outside the United States contac...

Страница 49: ...________________________________________________ _______________________________________________________________________________ National Instruments hardware product model __________ Revision ______________________ Configuration ___________________________________________________________________ National Instruments software product ____________________________Version ____________ Configuration _...

Страница 50: ..._ Base I O address of other boards _____________________________________________________ DMA channels of other boards ______________________________________________________ Interrupt level of other boards _______________________________________________________ Other Products Computer make and model _________________________________________________________ Microprocessor ___________________________...

Страница 51: ...________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________...

Страница 52: ...User Manual Glossary Numbers Symbols degrees Ω ohms 5 V signal 5 VDC Source A A amperes AC alternating current A D analog to digital AWG American Wire Gauge Prefix Meaning Value p pico 10 12 n nano 10 9 µ micro 10 6 m milli 10 3 k kilo 103 M mega 106 ...

Страница 53: ... CHSGND Chassis Ground COM common cpm cycles per minute D D A digital to analog D A Data Address DAQD A Data Acquisition Board Data Address Line DC direct current DIG GND Digital Ground DIO digital I O F FIFO first in first out ft feet H hex hexadecimal HSCR Hardscan Control Register Hz hertz ...

Страница 54: ...urrent leakage Iin input current in inches INTR Interrupt Iout output current L LSB least significant bit M M megabytes of memory m meters MIO multifunction I O MISO Master In Slave Out MOSI Master Out Slave In MOV metal oxide varistor MSB most significant bit N NC normally closed NO normally open ...

Страница 55: ...Time System Integration S SCXI Signal Conditioning eXtensions for Instrumentation bus SDK Software Developer s Kit sec seconds SERCLK Serial Clock SERDATIN Serial Data In SERDATOUT Serial Data Out SL Slot SLOT0SEL Slot 0 Select SPDT single pole double throw SPI Serial Peripheral Interface SPICLK Serial Peripheral Interface Clock SS Slot Select U UL Underwriters Laboratory ...

Страница 56: ...al V V volts V Positive Analog Supply V Negative Analog Supply VAC volts alternating current VDC volts direct current VIH volts input high VIL volts input low Vin volts in VOH volts output high VOL volts output low Vout volts out Vrms volts root mean square W W watts ...

Страница 57: ...ble 3 3 COM to NO table 3 2 flyback diode for DC inductive loads figure 3 2 signal connection procedure 3 4 technical data sheet B 1 to B 6 custom cables 1 5 customer communication xii C 1 to C 2 D D A signal SCXIbus to SCXI 1161 pin equivalencies table 3 8 DAQD A signal description table 3 6 SCXIbus to SCXI 1161 pin equivalencies table 3 8 DIG GND signal table 3 6 digital control circuitry 4 4 di...

Страница 58: ...of DIO and MIO boards table 2 8 overview of use 2 5 using the jumpers 2 8 L LabVIEW software 1 2 LabWindows CVI software 1 2 M MIO boards jumper W3 W4 and W5 configuration table 2 8 MISO signal jumper W1 and W2 connections 2 5 to 2 7 SCXIbus to SCXI 1161 pin equivalencies table 3 8 module configuration See configuration MOSI signal SCXIbus to SCXI 1161 pin equivalencies table 3 8 N NI DAQ driver s...

Страница 59: ...3 8 contact protection for inductive load connections 3 1 to 3 4 arc suppressor pad locations figure 3 3 arc suppressor placement COM to NC table 3 3 COM to NO table 3 2 flyback diode for DC inductive loads figure 3 2 signal connection procedure 3 4 rear signal connector 3 4 to 3 8 digital I O connections 3 7 pin assignments figure 3 5 SCXIbus to SCXI 1161 pin equivalencies table 3 8 signal descri...

Страница 60: ...Index SCXI 1161 User Manual I 4 National Instruments Corporation functional overview 4 1 to 4 3 relay channels 4 5 SCXI 1161 block diagram 4 2 V VirtualBench software 1 2 ...

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