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1-2       Introduction 

947294

 

DaqBoard/500 Series User’s Manual 

 

Block Diagram 

 

DaqBoard/500 Series Block Diagram

 

Содержание DaqBoard/500

Страница 1: ...ems Windows 2000 Windows XP A Hardware Reference Manual for DaqBoard 500 DaqBoard 505 IOtech Inc 25971 Cannon Road Cleveland OH 44146 1833 Phone 440 439 4091 Fax 440 439 4093 E mail Product Informatio...

Страница 2: ...ii...

Страница 3: ...manual can present serious safety hazards or cause equipment damage This warning symbol is used in this manual or on the equipment to warn of possible injury or death from electrical shock under note...

Страница 4: ...ts directly from the data acquisition CD by using the View PDFs button located on the opening screen Refer to the PDF documentation for details regarding both hardware and software A copy of the Adobe...

Страница 5: ...00 Terminal Connector Option 2 6 External Connections 2 7 3 Configuration Configuration through Software 3 1 Analog Input Configuration 3 1 ADC Ranges 3 1 DAC Ranges 3 2 4 Software and Board Operation...

Страница 6: ...vi 989394 DaqBoard 500 Series This page is intentionally blank...

Страница 7: ...he board serial number and board type 500 or 505 is located on the solder side of the board Board Identity on Solder Side of the Board Board Type e g 500 505 Serial Number PCI Bus Slot Location Board...

Страница 8: ...z 128 M byte RAM Windows 2000 or XP Operating System Installation A Pictorial Overview Step 1 Install Software IMPORTANT Software must be installed before installing hardware 1 Remove previous version...

Страница 9: ...at your computer is capable of performing Bus Mastering DMA for the applicable PCI slot Note that some computers have BIOS settings that enable or disable Bus Mastering DMA If your computer has this B...

Страница 10: ...ps install additional boards into available PCI bus slots if applicable to your application 11 Replace the computer s cover 12 Plug in all cords and cables that were removed in step 1 13 Apply power t...

Страница 11: ...The DaqBoard s Properties tab will appear following figure Note If the DaqBoard icon is not present skip to the upcoming section Using Add Device Accessing the DaqBoard 500 Properties Tab 6 Enter a De...

Страница 12: ...the Resource Test button 3 After the test is complete click OK System capability is now tested for the DaqBoard and a list of test results will appear Note If you experience difficulties please consul...

Страница 13: ...tion method is used for both analog to digital and digital to analog conversions Please contact the factory should you believe your board to be in need of calibration Basic Information Analog Inputs 1...

Страница 14: ...1 2 Introduction 947294 DaqBoard 500 Series User s Manual Block Diagram DaqBoard 500 Series Block Diagram...

Страница 15: ...matic integration into the PC s configuration when first installed The PCI interface provides access to all on board registers for software configuration of all on board functions For maximum performa...

Страница 16: ...1 4 Introduction 947294 DaqBoard 500 Series User s Manual...

Страница 17: ...ctor pins or circuit components unless you are following ESD guidelines in an appropriate ESD controlled area Such guidelines include the use of properly grounded mats and wrist straps ESD bags and ca...

Страница 18: ...B5 TTL Level Digital I O Ch B5 T 13 B2 A TTL Level Digital I O Ch B2 47 B3 TTL Level Digital I O Ch B3 A 14 B0 L TTL Level Digital I O Ch B0 48 B1 TTL Level Digital I O Ch B1 L 15 A6 TTL Level Digital...

Страница 19: ...r below the 15 V power supply The channel inputs can withstand input voltages of up to 20 volts when the power to the system is off Channel Number Description AIN 0 AIN 1 AIN 2 AIN 3 AIN 4 AIN 5 AIN 6...

Страница 20: ...e TIMER 1 is automatically disabled in hardware when the ADCLKOUT is enabled ADTRGIN Uses pin 6 ADTRGIN is the External ADC Trigger Gate Input This input recognizes TTL level signals and is used to st...

Страница 21: ...was being used to count the DAC s External Clock Input signal DATRGIN Uses pin 38 DATGRIN is the External DAC0 Trigger Gate Input This input recognizes TTL level signals and is used to start or stop...

Страница 22: ...4 12 AGND Analog Common Note 2 B5 Digital I O Line B5 46 ACH5 Analog Input Channel 5 60 B6 Digital I O Line B6 11 ACH13 Analog Input Channel 13 26 B7 Digital I O Line B7 45 AGND Analog Common Note 2 C...

Страница 23: ...ls as well as any user connections to the power line may blow a fuse or worse cause damage to the board If you are getting incorrect data readings check that the fuse is not blown The power line fuse...

Страница 24: ...ground the signals must be local to one another With the Single Ended configuration the input signals are tied to the Channel Hi side of an analog input and all signal low sides are tied to the SGND g...

Страница 25: ...nce of the two configurations in an electrically noisy environment The Differential configuration should be used when any of the following exist Each source has a local ground Signal sources are remot...

Страница 26: ...the 10 M of resistance is sufficient for the return of bias current Resistor Connection Scenarios If the Input Signal is DC Coupled If the Input Signal is AC Coupled Use a Resistor Value from 10 K to...

Страница 27: ...ction combination ADC Ranges The analog inputs may be configured for either 10 V bipolar or 0 to10 V unipolar operation The input range is programmable on a channel by channel basis in a 176 element c...

Страница 28: ...lution for each range Note that resolution is not accuracy Resolution defines the minimum definable voltage increment Absolute DC accuracy and relative accuracy define exactly how close the actual vol...

Страница 29: ...display capabilities of Excel eZ PostView provides a simple method of graphically viewing acquired data Up to 8 windows can be displayed on one screen with up to 16 channels overlaid on each window eZ...

Страница 30: ...be used with one DaqBoard at a time LabVIEW can be used with multiple boards For multiple board use via custom programming refer to the Using Multiple Devices section of the Programmer s Manual or to...

Страница 31: ...dless of whether the data coding is for unipolar or bipolar inputs The number is typically multiplied by a scale factor to convert it to useful engineering units For example An input in the range of 0...

Страница 32: ...nal event ADCLKIN is an edge sensitive input that can be programmed to cause conversions The ADCLKIN is selectable as either rising or falling edge sensitive Once an ADC clock is received the Analog i...

Страница 33: ...switched On and Off with the external ADTRGIN input The input is level sensitive and selectable as either active high or active low control If the on board pacer clock drives the ADC the external gat...

Страница 34: ...riggered the ADC Conversion Counter immediately increments after each conversion until it reaches 0 whereupon ADC conversions are automatically disabled If the timer is loaded with a value of 1 the AD...

Страница 35: ...DACLKIN is an edge sensitive input that can be programmed to cause conversions The DACLKIN is selectable as either rising or falling edge sensitive DAC Maximum Clock Rate The maximum rate which the DA...

Страница 36: ...4 8 Software and Board Operation 988994 DaqBoard 500 Series...

Страница 37: ...nterfere with radio or telecommunications 2 The device must be immune from electromagnetic interference from RF transmitters etc The standards are published in the Official Journal of European Union u...

Страница 38: ...strap etc Use care to avoid touching board surfaces and onboard components Only handle boards by their edges or ORBs if applicable Ensure boards do not come into contact with foreign elements such as...

Страница 39: ...e by the user via software Analog Inputs Number of Inputs 16 Single ended or 8 Differential programmable on per channel basis Resolution 155 070 V bit on 0 to 10 V range Acquisition Rate 200 kHz max A...

Страница 40: ...Gain Channel Selection 176 element Analog Input Triggering Clocking Clock Sources o on board programmable pacer o user defined external TTL External Clock Input Latency o 5us max Trigger Sources Stop...

Страница 41: ...e Sources o Asynchronous o Internal Pacer o External TTL Max update rate channel 100khz Waveform Triggering o Software Command o External Trigger TTL Output Current 5 mA Digital Inputs Outputs Channel...

Страница 42: ...Frequency Pulse Generators 2 Timers designated as TMR0 and TMR1 Channels 2 Pin Connections TMR0 SCSI 68 Pin 3 Shared with ADTRGOUT TB 100 Option Connector TMR0 Shared with ADTRGOUT TMR1 SCSI 68 Pin 3...

Страница 43: ...interaction between the two stages Also see Buffer Channel In reference to Daq devices channel simply refers to a single input or output entity In a broader sense an input channel is a signal path be...

Страница 44: ...have a nonlinear response To convert nonlinear signals into accurate readings requires software to calibrate several points in the range used and then interpolate values between these points Multiplex...

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