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DaqBoard/3000USB Series Installation Guide

968492

IG-3

DaqBoard/3000USB Series Installation Guide

Contents

(Step 1) Install Software

…… page IG-4

(Step 2) Connect Signal Lines and Hardware

….. page IG-4

(Step 3) Start DaqView

….. page IG-16

(Step 4) Configure the System

….. page IG-17

(Step 5) Collect Data

….. page IG-18

Costumer Assistance

….. page IG-19

Reference Note:

After you have completed the installation you should refer to the electronic

documents that were automatically installed onto your hard drive as a part of product support.
The default location is in the

Programs

group, which can be accessed from the Windows

Desktop.

You should keep your DaqBoard/3000USB serial number and board type, e.g.,

3001USB, 3005USB, etc.,

with this document. Space is provided below for recording up to 4 board numbers.

Board Type

Serial Number

Board Type

Serial Number

Board 1

Board 3

Board 2

Board 4

CAUTION

Take ESD precautions (packaging, proper handling, grounded wrist 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 oils, water, and industrial particulate.

Reference Note

: Adobe PDF versions of

user manuals automatically install onto your
hard drive as a part of product support.**
The default location is in the

Programs

group, which can be accessed from the

Windows

Desktop

. Refer to the PDF

documentation for details regarding both
hardware and software.

**

Manuals can also be read directly from the
Data Acquisition CD via the

View PDFs

option on the splash screen, or from our
web site.

Minimum System Requirements

Monitor: SVGA, 1024 x 768 screen

resolution

Computer that meets or exceeds the
following: Intel

™

Pentium, 1 GHz or

equivalent; 10 GB disk space; USB Port,*
one of the following Microsoft

®

operating

systems and indicated memory (or higher):

Windows XP – 128 MB memory
Windows 2000 – 128 MB memory
Windows Vista – 1 GB memory

* USB2.0 Recommended

Power Consumption (per board)

:

Model

Power Consumption

(Typical)*

TR-2 (or TR-2U) Power Adapter

*

/3001USB 3000

mW

Required

/3005USB 2000

mW

Optional

/3031USB 3400

mW

Required

/3035USB 2400

mW

Recommended

*

A power adapter (TR-2, or TR-2U) will be required if the USB port cannot supply adequate power. USB2 ports are, by USB2

standards, required to supply 2500 mW (nominal at 5V, 500 mA).

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Содержание DaqBoard/3000USB Series

Страница 1: ...Covers 4 Connection Scenarios o CA 248 Cables with DB37 Termination o TB 100 SCSI Screw Terminal Board o TB 101 Daughter Board o DBK215 BNC Module DaqBoard 3000USB Series 1136 0902 rev 4 1 327265B 01...

Страница 2: ...ii...

Страница 3: ...described in this 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...

Страница 4: ...ecial attention to Warnings and Cautions Note During software installation Adobe PDF versions of user manuals will automatically install onto your hard drive as a part of product support The default l...

Страница 5: ...gers Pacer Clocks and Other Signals 2 4 CA 248 40 Position Header to DB 37 Male Ribbon Cable 2 5 TB 100 Terminal Connector Option 2 6 TB 101 Terminal Board Option 2 7 DBK215 16 Connector BNC Connectio...

Страница 6: ...s 6 8 Using the Hysteresis Function 6 8 Using Multiple Inputs to Control One DAC Output 6 10 The Setpoint Status Register 6 11 7 Specifications DaqBoard 3000USB Series Appendix A DBK215 16 Connector B...

Страница 7: ...B Covers 4 Connection Scenarios o CA 248 Cables with DB37 Termination o TB 100 SCSI Screw Terminal Board o TB 101 Daughter Board o DBK215 BNC Module DaqBoard 3000USB Series 1136 0941 rev 2 1 324401C 0...

Страница 8: ...IG 2 968492 DaqBoard 3000USB Series Installation Guide...

Страница 9: ...able Ensure boards do not come into contact with foreign elements such as oils water and industrial particulate Reference Note Adobe PDF versions of user manuals automatically install onto your hard d...

Страница 10: ...from the USB port However you can use a TR 2 or TR 2U in any scenario Aside from re installation guide CAUTION The discharge of static electric some electronic components Semiconductor devices are es...

Страница 11: ...charge Note 2 The standoff at this location connects to the DaqBoard 3000USB board s internal chassis plane for shunting electrostatic discharge WARNING Avoid redundant connections Ensure there is no...

Страница 12: ...applicable to 3001USB or 3005USB As in all scenarios a CA 179 x USB cable is used to connect the 3000USB Series board to a USB port on the host PC USB2 0 is recommended If you need to find the name of...

Страница 13: ...could possibly cause equipment damage and or personal injury The TB7 terminal block can be used to connect up to 4 thermocouples The first TC channel makes use of Analog Channel 0 for its positive lea...

Страница 14: ...wires ensure that the associated analog channels are not in use Failure to do so could possibly cause equipment damage and or personal injury The TB7 terminal block on the DaqBoard 3000USB can be used...

Страница 15: ...h guidelines include the use of properly grounded mats and wrist straps ESD bags and cartons and related procedures How to Mount the TB 101 Steps A through D relate to the following illustration A Aft...

Страница 16: ...s are not in use Failure to do so could possibly cause equipment damage and or personal injury The TB7 terminal block can be used to connect up to 4 thermocouples The first TC channel makes use of Ana...

Страница 17: ...Pinouts for these and the remaining two headers J7 and J8 are included in this section A pinout for a 4 channel terminal board TB7 is also included 68 Pin SCSI 40 Pin Headers 4 4 Channel TC Connector...

Страница 18: ...ut Channel 14 Analog input Channel 15 23 57 Analog input Channel 7 Analog Output 0 DAC0 Note 1 22 56 Analog Output 3 DAC3 Note 1 Analog Output 1 DAC1 Note 1 21 55 Analog Output 2 DAC2 Note 1 SELFCAL 2...

Страница 19: ...1 CH 47 21 22 CH 55 CH 22 23 24 CH 30 CH 39 23 24 Analog Com CH 7 25 26 CH 15 CH 46 25 26 CH 62 CH 6 27 28 CH 14 CH 38 27 28 CH 54 Analog Com 29 30 CH 21 Analog Com 29 30 CH 61 CH 29 31 32 CH 20 CH 45...

Страница 20: ...TRG 17 18 XDPCR P O R T B CH B3 19 20 CH B7 P O R T B XAPCR 19 20 Digital GND Digital GND 21 22 Exp 5 Volts Digital GND 21 22 Digital GND CH C0 23 24 CH C4 X 23 24 X CH C1 25 26 CH C5 Exp 5 Volts 25 2...

Страница 21: ...28 4 7 14 27 24 10 34 30 5 9 15 29 25 12 35 32 6 11 16 31 26 14 36 34 7 13 17 33 27 16 37 36 8 15 18 35 28 18 9 17 19 37 29 20 10 19 20 2 30 22 CA 248 Pinout 40 Position Header Pins listed Sequentiall...

Страница 22: ...he LO negative side is connected to Channel 1 LO Notice that Channel 1 LO is the same screw terminal connection that would be used for CH 9 Single Ended V4 is connected in a similar manner see figure...

Страница 23: ...nd allows you to configure them Channel Setup Tab Selected Selecting the second tab of the main window displays the Acquisition Setup window used to set triggering and configure the scan These setting...

Страница 24: ...put Displays the Analog Output window of the available DAC channels 9 Digital I O Displays the Digital I O window 10 Counter Timer Displays the Counter Timer window 11 Waveform Pattern Output Displays...

Страница 25: ...o The PDFs can also be accessed from our web site When you call please have the following information available Hardware model numbers Serial Numbers Software version numbers for DaqView Windows Oper...

Страница 26: ...IG 20 968492 DaqBoard 3000USB Series Installation Guide...

Страница 27: ...ecifications chapter Chapter 7 includes a dimensional drawing of the DaqBoard 3000USB Series board o Chapter 2 includes pinouts and connection examples o Programming topics are covered in the Programm...

Страница 28: ...ector Chapter 2 includes pinouts Note 2 Optional power source TR 2 adapter connects to the External Power connector if the USB cannot supply enough power See Specifications Chapter 7 in regard to powe...

Страница 29: ...er connects to the External Power connector if the USB cannot supply enough power See Specifications Chapter 7 in regard to power consumption Note 3 DaqBoard 3005USB can accept 16 Single Ended or 8 Di...

Страница 30: ...Differential You can obtain a male DB37 connector for each header by connecting a CA 248 40 pin to male DB 37 cable to each header 9 slot Screw Terminal TB7 The on board screw terminal connector TB7...

Страница 31: ...ts with 20 83 nsec resolution o A Timing mode that can measure the time between two counter inputs to 20 83 nsec resolution o Self calibration The DaqBoard 3000USB series offers up to 4 MHz scanning o...

Страница 32: ...scanning modes to address a wide variety of applications A 512 location scan buffer can be loaded by the user with any combination of analog input channels All analog input channels in the scan buffer...

Страница 33: ...gardless of whether or not they are being read by the PC Example 1 Analog channel scanning of voltage inputs The figure below shows a simple acquisition The scan is programmed pre acquisition and is m...

Страница 34: ...each representing an average of 256 stream to the PC via USB2 Since two of the channels in the scan group are temperature channels the acquisition engine will be required to read a cold junction comp...

Страница 35: ...imum scan frequency is one divided by 6us or 166 666 Hz The counter channels could be returning only the lower 16 bits of count value if that is sufficient for the application They could also be retur...

Страница 36: ...time of the scan period where no analog sampling is being done either If the 3 counter channels are all returning 32 bit values and the digital input channel is returning a 16 bit value then 18 sample...

Страница 37: ...ries supports a full complement of trigger modes to accommodate any measurement situation Hardware Analog Triggering TheDaqBoard 3000USB Series uses true analog triggering whereby the trigger level pr...

Страница 38: ...occur based on a logical and or a logical or of the multiple trigger conditions For example a trigger condition could be programmed to occur for when the following three conditions are met a three an...

Страница 39: ...and 3031USB each have four 16 bit 1 MHz analog output channels The channels have an output range of 10V to 10V This can be read from PC RAM or from a file on the hard disk In addition a program can a...

Страница 40: ...ly with every analog input channel In this synchronous mode the enabled digital inputs are scanned synchronously with every analog input channel So in the preceding example the digital inputs would be...

Страница 41: ...ed the scan clock All 4 DACs and the 16 bits of pattern digital output are updated at the beginning of each scan Note that the DACs will actually take up to 4 us after the start of scan to settle on t...

Страница 42: ...d B phase signals 2 channels are supported With A phase B phase and Z index signals 1 channel is supported Each input can be debounced from 500 ns to 25 5 ms total of 16 selections to eliminate extran...

Страница 43: ...lection of data Daq devices have software options capable of handling most applications Three types of software are available Ready to use graphical programs e g DaqView DaqViewXL and post acquisition...

Страница 44: ...e installation The default location is the Programs directory which can be accessed through the Windows Desktop PDF Note During software installation Adobe PDF versions of user manuals will automatica...

Страница 45: ...e especially susceptible to ESD damage You should always handle components carefully and you should never touch connector pins or circuit components unless you are following ESD guidelines in an appro...

Страница 46: ...alog input Channel 14 Analog input Channel 15 23 57 Analog input Channel 7 Analog Output 0 DAC0 Note 1 22 56 Analog Output 3 DAC3 Note 1 Analog Output 1 DAC1 Note 1 21 55 Analog Output 2 DAC2 Note 1 S...

Страница 47: ...H 46 25 26 CH 62 CH 6 27 28 CH 14 CH 38 27 28 CH 54 Analog Com 29 30 CH 21 Analog Com 29 30 CH 61 CH 29 31 32 CH 20 CH 45 31 32 CH 53 CH 28 33 34 CH 5 CH 37 33 34 CH 60 CH 13 35 36 CH 4 CH 44 35 36 CH...

Страница 48: ...g Com 11 12 Analog Com CH B0 13 14 CH B4 SelfCal Fig 3 13 14 SGND CH B1 15 16 CH B5 Analog Com 15 16 Analog Com CH B2 17 18 CH B6 XTTLTRG 17 18 XDPCR P O R T B CH B3 19 20 CH B7 P O R T B XAPCR 19 20...

Страница 49: ...8 33 28 4 7 14 27 24 10 34 30 5 9 15 29 25 12 35 32 6 11 16 31 26 14 36 34 7 13 17 33 27 16 37 36 8 15 18 35 28 18 9 17 19 37 29 20 10 19 20 2 30 22 CA 248 Pinout 40 Position Header Pins listed Seque...

Страница 50: ...28 B3 Digital I O Line B3 47 ACH12 Analog Input Channel 12 61 B4 Digital I O Line B4 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 ACH...

Страница 51: ...e Terminal blocks of TB 101 Failure to do so could possibly cause equipment damage and or personal injury CAUTION The discharge of static electricity can damage some electronic components Semiconducto...

Страница 52: ...40 on the main board TB10 is associated with J7 even pins 2 through 20 on the main board Digital GND Digital GND CH B3 Digital XAPCR Note 1 Digital GND CH B2 Digital XTTLTRG XDPCR Note 2 CH B1 Digital...

Страница 53: ...ns 22 through 40 on the main board TB15 is not directly associated with pins on the main board CH 27 Analog Analog Com CH 59 Analog CH 26 Analog CH 12 Analog CH 51 Analog Analog Com CH 13 Analog CH 58...

Страница 54: ...S Differential Channel High Low Differential Channel High Low CH 0 CH 0 CH 8 CH 16 CH 32 CH 40 CH 1 CH 1 CH 9 CH 17 CH 33 CH 41 CH 2 CH 2 CH 10 CH 18 CH 34 CH 42 CH 3 CH 3 CH 11 CH 19 CH 35 CH 43 CH 4...

Страница 55: ...tions for custom RC Filter networks o 68 pin SCSI connector on rear panel The top cover plate must be removed to access the terminal blocks and the RC filter network section of the DBK215 s board The...

Страница 56: ...cted to the system before making connections Electrical shock or damage to equipment can result even under low voltage conditions CAUTION The discharge of static electricity can damage some electronic...

Страница 57: ...cause equipment damage and or personal injury The TB7 terminal block can be used to connect up to 4 thermocouples The first TC channel makes use of Analog Channel 0 for its positive lead and Analog Ch...

Страница 58: ...Failure to do so could possibly cause equipment damage and or personal injury The TB7 terminal block can be used to connect up to 4 thermocouples The first TC channel makes use of Analog Channel 0 fo...

Страница 59: ...erfere 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 und...

Страница 60: ...s used to warn of possible personal injury or equipment damage under noted conditions Daq products contain no user serviceable parts refer all service to qualified personnel The specific safety condit...

Страница 61: ...ws selection of thermocouple type and temperature For proper operation it must be connected to the 3000USB Series board with the same type thermocouple wire and connector that is used in normal testin...

Страница 62: ...4 2 Calibration 897494 DaqBoard 3000 Series User s Manual...

Страница 63: ...channel s output can be debounced with 16 programmable debounce times from 500 ns to 25 5 ms The debounce circuitry eliminates switch induced transients typically associated with electro mechanical d...

Страница 64: ...state long enough no transition would have appeared on the output and the entire disturbance on the input would have been rejected T3 During time period T3 the input signal remained steady No change i...

Страница 65: ...y edge on the input after time period T6 will be immediately reflected in the output of the debounce module Mode Comparison The following example shows how the two modes interpret the same input signa...

Страница 66: ...Trigger after stable mode behaves more like a traditional debounce function rejecting glitches and only passing state transitions after a required period of stability Trigger after stable mode is use...

Страница 67: ...unit of time Ticksize is derived from the period of the 48 MHz system clock The count value returned in the scan is the number of ticks that make up the time measurement Counter Options The following...

Страница 68: ...r Counter High two sample times are used to return the full 32 bit result Therefore a 32 bit counter can only be sampled at a 6 MHz maximum rate If only the upper 16 bits of a 32 bit counter are desir...

Страница 69: ...utputs This mapped signal option allows a second signal to control the latching of the count data This allows the user to know the exact counter value when an edge is present on another channel This a...

Страница 70: ...and 20833ns derived from the 48 MHz system clock An example One channel s acquired data might be 0 0 0 0 80 80 80 80 79 79 79 79 81 81 81 81 This data represents the number of ticksize intervals coun...

Страница 71: ...d by not being able to count a partial tick and the 3000USB Series Board s internal timebase inaccuracy The board s internal timebase has an absolute accuracy of 50 ppm The sampling error will vary wi...

Страница 72: ...than 0 21 The 32 bit ranges shown above are much wider than the 16 bit ranges but also require the full 32 bit value to be returned Since digital or counter channels do not take up any time in the sc...

Страница 73: ...and 20833ns derived from the 48 MHz system clock An example one channel s acquired data might be 0 0 0 0 80 80 80 80 79 79 79 79 81 81 81 81 This data represents the number of ticksize intervals count...

Страница 74: ...mode Accuracy The 3000USB Series board has the ability to measure the pulsewidth of an input and the time between any two edges on any two inputs The time ranges are similar to those shown for period...

Страница 75: ...easuring time between two subsequent events i e the edge of one channel with respect to the edge of another channel The edge selection is done in each channel s debounce setup Whenever the time measur...

Страница 76: ...an be decreased to capture more time frames The data returned is interpreted as time measured in ticks This data represents the number of ticksize intervals counted during the timing measurement There...

Страница 77: ...t modes With only phase A and phase B signals 2 channels are supported with phase A phase B and index Z signals 1 channel is supported Quadrature encoders generally have 3 outputs A B and Z The A and...

Страница 78: ...leads B and counts downward when A lags B then the counter will give direction control as well as distance from the reference An Example of Encoder Accuracy If there are 512 pulses on A then the enco...

Страница 79: ...channel Encoder Wiring Diagrams You can use up to two encoders with each 3000USB Series board module in your acquisition system Each A and B signal can be made as a single ended connection with respec...

Страница 80: ...5 CTR0 Encoder A Encoder Mode 4X option 16 bit counter Latch on SOS Map channel Clears the counter set Map channel to CTR2 Pin 39 CTR 1 Encoder B Period Mode 1Xperiod option 16 bit counter Map channe...

Страница 81: ...of scan Every time the 3000USB Series board receives a start of scan signal the counter values are latched and are available to the 3000USB Series board The 3000USB Series board clears all counter ch...

Страница 82: ...sure that the current output spec is not violated The programming setup given below is just a representative of possible options Two Encoders Programming Example Setup SCSI Pin Connects to Example Pro...

Страница 83: ...te when a signal condition is True or False i e whether or not the signal has met the defined criteria The detect signals themselves can be part of the scan group and can be measured as any other inpu...

Страница 84: ...e window low and b if the signal is outside the window low then Output Value 1 until the signal goes outside the window high There is no change to the detect signal while within the window Value A def...

Страница 85: ...n exists then Output 1 is forced Output 1 continues until an outside the window high condition exists The cycle repeats as long as the acquisition is running in Hysterisis mode Update Mode Update on T...

Страница 86: ...oints are used to define a point of change for Detect 1 as the counter counts upward The detect output will be high when inside the window greater than Limit B the low limit but less than Limit A the...

Страница 87: ...d to the counter inputs The update on True and False mode is being used Thus one value is output on P2C when the position is outside of the window a value of 10h in the example and a second value is o...

Страница 88: ...s after Channel 2 has been sampled or 3 s after the start of the scan This 2 s delay is due to the pipelined ADC architecture The setpoint is evaluated 2 s after the ADC conversion and then P2C can b...

Страница 89: ...the limit A update DAC1 with Output Value 0 0V 5 Below Limit A for Channel 5 False When the above stated condition is false update DAC1 with the Output Value of minus 1 0V True When Channel 4 analog i...

Страница 90: ...side Window The figure below shows how a setpoint can be used to update a timer output Channel 23 is an analog input channel It could be any analog input channel but in this example it happens to be o...

Страница 91: ...ows o When outside the window low below Limit B DAC0 is updated with 3 0V This update will remain in effect until the analog input voltage goes above Limit A o When outside the window high above Limit...

Страница 92: ...7 s input goes inside the programmed window DAC2 will be updated with minus 7 0V Limit A for Ch3 Limit B for Ch3 Limit A for Ch7 Limit B for Ch7 Detection Ch3 Detection Ch7 3 0 V DAC2 0 0 V 7 0 V Usi...

Страница 93: ...e overview pages 6 1 and 6 2 In the following example the criteria for setpoints 0 1 and 4 is satisfied True but the criteria for the other 13 setpoints has not been met Setpoint 15 14 13 12 11 10 9 8...

Страница 94: ...6 12 Setpoint Configuration for Output Control 887794 DaqBoard 3000 Series User s Manual...

Страница 95: ...ll speed mode 12 Mbps Acquisition Data Buffer 1 MSample Vibration MIL STD 810E Category 1 and 10 Signal I O Connectors see chapter 2 for pinouts 68 pin standard SCSI type III female connector P5 Four...

Страница 96: ...ifferential Total Harmonic Distortion 80 db typical for 10V range 1 kHz fundamental Signal to Noise and Distortion 72 db typical for 10V range 1 kHz fundamental Bias Current 40pA typical 0 C to 35 C C...

Страница 97: ...nt Temperature C Temperature Measurement Error C for Types T J K E R S J K T E Voltage Measurement Noise vs Oversampling 0 01 0 10 1 00 10 00 100 00 1 10 100 1000 10000 100000 Oversampling Rate Noise...

Страница 98: ...exclusive of noise range is FS to FS Noise reflects 10 000 samples at 1 MHz typical differential short TC Types and Accuracy 1 TC Type Temperature Range C Accuracy C Noise Typical C J 200 to 760 1 7 0...

Страница 99: ...eriod is equal to 1 s times the number of analog channels If a scan contains only digital channels then the minimum scan period is 250 ns 1 Internal programmable Analog Channels from 1 s to 19 hours i...

Страница 100: ...one scan period Input Signal Range Anywhere within the range of the selected trigger channel Trigger Level Programmable 16 bit resolution including window triggering Latency One scan period max 3 Sing...

Страница 101: ...d accuracy Clock Sources 4 programmable 1 Onboard D A clock independent of scanning input clock 2 Onboard scanning input clock 3 External D A input clock independent of external scanning input clock 4...

Страница 102: ...to 25 5 ms Positive or negative edge sensitive glitch detect mode or debounce mode Time Base Accuracy 50 ppm 0 to 50 C Five Programmable Modes Counter Period Pulsewidth Timing Encoder 1 Counter Mode...

Страница 103: ...nimum 400 A Low Level Output Voltage 0 4V maximum 400 A Software DaqViewXL Plus DaqView add on for seamless execution with Microsoft Excel s tool palette DaqView Pro DaqView add on includes all of the...

Страница 104: ...upply TR 2 120VAC to 9VDC 1A Rack Mount Kit for TB 100 Rack3 Kit for mounting the TB 100 termination board to a rack DBK215 Termination Module Includes 16 BNC connectors and internal screw terminals D...

Страница 105: ...e Note 1 The standoff at this location connects to the USB chassis for shunting electrostatic discharge Note 2 The standoff at this location connects to the DaqBoard 3000USB board s internal chassis p...

Страница 106: ...7 12 DaqBoard 3000USB Series Specifications 937492 Note Specifications are subject to change without notice This page is intentionally blank...

Страница 107: ...o 68 pin SCSI connector on rear panel The top cover plate must be removed to access the terminal blocks and the RC filter network section of the board DBK215 s SCSI connector P5 connects to a second...

Страница 108: ...gram Accessory Kit p n 1139 0800 includes jumper wires and a screw driver Note that the 68 pin SCSI P5 connector typically connects to a SCSI connector via a CA G55 CA G56 or CA G56 6 cable o CA G55 i...

Страница 109: ...ce s to be connected 2 As soon as the DBK215 cover is removed verify that the Host Power LED is Off See figure at right for location 3 Observe ESD precautions when handling the board and making connec...

Страница 110: ...foot long cable o CA G56 is a 3 foot long shielded cable o CA G56 6 is a 6 foot long shielded cable 2 Signal lines connect to the DBK215 s front panel BNC connectors or to the internal screw terminal...

Страница 111: ...cause equipment damage and or personal injury The TB7 terminal block can be used to connect up to 4 thermocouples The first TC channel makes use of Analog Channel 0 for its positive lead and Analog C...

Страница 112: ...of the 4 mounting brackets 2 After the 4 screws have been removed carefully remove the cover plate 3 As soon as the DBK215 cover is removed verify that the Host Power LED is Off See following figure f...

Страница 113: ...routed in the printed circuit board to TB9 and TB10 The TB13 and TB14 silk screened locations on the DBK215 board do not have physical screw terminal blocks Note 1 TB15 and TB16 are used for optional...

Страница 114: ...ferential Mode 7H 7 57 CH 7 IN Single Ended Mode CH 7 HI IN Differential Mode 7L 15 23 CH 15 IN Single Ended Mode CH 7 LO IN Differential Mode FILT CAP LO N A For RC filter networks install a wire jum...

Страница 115: ...und Common P2 TB6 TB7 Pin Number and Description DGND Digital Ground Common DGND Digital Ground Common C7 41 Digital I O Port C Bit 7 C6 7 Digital I O Port C Bit 6 C5 42 Digital I O Port C Bit 5 C4 8...

Страница 116: ...A Digital Ground Common P3 TB2 not used TB3 Pin Number and Description CH0 DAC0 22 Analog Out Analog DAC 0 Output AGND Analog Ground Common intended for use with DACs EXP 0 DAC2 N A Analog Out Analog...

Страница 117: ...CH 15 IN SE CH 7 LO IN DIFF J7 AGND N A N A Analog Ground N A AGND N A N A Analog Ground N A TB14 does not physically exist on DBK215 A silkscreen of TB14 is present as a visual aid to signal routing...

Страница 118: ...C filter network components Typical One Pole Low Pass Filter Values for DBK215 R C f f Ohms F Hertz 3dB kHz 3dB 510 1 312 0 31 510 0 47 664 0 66 510 0 22 1419 1 42 510 0 1 3122 3 12 510 0 047 6643 6 6...

Страница 119: ...xceed 510 Capacitors used are to be of the film dielectric type e g polycarbonate or NPO ceramic above 0 001 F RECOMMENDED For reduction of both Common Mode Noise and Differential Mode Noise use one c...

Страница 120: ...e 12 TO 28 AWG Dimensions 285 mm W x 220 mm D x 45 mm H 11 x 8 5 x 2 7 Weight 1 36 kg 3 lbs Cables and Accessories Item Description Part Number Rack Mount Kit p n RackDBK4 68 conductor expansion cable...

Страница 121: ...t they reduce signal errors and the induction of noise resulting from ground current The following illustration is an example of how noise is reduced or canceled out when using the differential mode I...

Страница 122: ...the thermocouple is shown connected to Channel 1 HI and the LO negative side is connected to Channel 1 LO Notice that Channel 1 LO is the same screw terminal connection that would be used for CH 9 Si...

Страница 123: ...e 100 mV range their maximum common mode voltage is 6 0 volts If a thermocouple is connected directly to an engine component in a motor vehicle at a potential that is over the maximum common mode volt...

Страница 124: ...rmocouple junction at the terminal block as less heat will be transferred from the ambient environment to the junction o Make sure the board is mounted on a flat surface o If the unit will have a sust...

Страница 125: ...ce transducer impedance can be a problem in multiplexed A D systems When using more than 1 channel the channel input signals are multiplexed into the A D The multiplexer samples one channel and then s...

Страница 126: ...done the less noise present in the readings Line cycle rejection is just another mode of oversampling where 16384 8192 4096 etc consecutive samples are averaged over one line cycle of 50Hz or 60Hz Wh...

Страница 127: ...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 128: ...quires software to calibrate several points in the range used and then interpolate values between these points Multiplexer MUX A device that collects signals from several inputs and outputs them on a...

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