Manual - DATAQ Instruments
Contents
1. differential mode uses the amplifiers low inputs for the common return All DI 400 Series boards are initially set for normal operation pins 1 and 2 jumpered and pins 3 and 4 jumpered To configure the DI 400 Series board for pseudo differential inputs completely remove one jumper and place the other jumper over pins 2 and 3 The configurations for JP11 are shown in FIGURE 2 JP11 JP11 H Bi 4 O pin 3 H 3 H Mi 2 pin 2 pin 1 O 1 1 Normal mode Pseudo differential mode FIGURE 2 Jumper JP11 Configuration The position of jumper JP13 determines the configuration of pin 19 on the 37 pin I O connector When the jumper is installed on pins 1 and 2 pin 19 is DAC2 When the jumper is installed on pins 2 and 3 pin 19 is analog ground The configurations for JP13 are shown in FIGURE 3 JP13 JP13 Pin 19 is DAC2 Pin 19 is analog ground FIGURE 3 Jumper JP13 Configuration DIP Switch Configuration The board also has a bank of seven DIP switches that are used to configure the I O port or base address of the DI 400 Series board These switches select the I O port or base address for the DI 400 Series board All DI 400 Series boards are initially set for a port address of 180 In most instances this port address is free unused and generally should work fine without reconfiguration Unless you have an obvious conflict another device in your computer is known to be using a port address of 180 do nothing If you do have a port2. Double click to select differential Click right to select digital input 1 MIX letters occupy the expansion inputs The grid is displayed in WINDAQ Pro or WINDAQ Pro by pointing to the Edit menu and dragging down to Channels Each box in this grid represents an input channel An input channel is enabled by clicking the desired box Where in the grid you click which mouse button you click with and how many times you click the mouse button determines whether the input channel is enabled for differential operation for operation defined by the DI 5B module if used or for differential operation between a pair of channels refer to Appendix E of the WINDAQ Pro and WINDAQ Pro User s Manual for complete details Accessories 22 DI 400 Series User Manual 5 Calibration This section provides calibration procedures for the A D and D A subsystems of DI 400 Series boards Required Equipment A D Calibration e A precision DVM with resolution as a function of the A D gain range being calibrated Consult the following chart for the minimum resolution required of your DVM at the indicated gain A D Gain Minimum DVM Resolution 8 0 305mV 0 244mV 24 41uV e A stable voltage source with a stability specification equal to or greater than the resolution shown above at the highest gain to be calibrated OR e An alternative is to use a voltage calibrator with resolution as shown above at the highest gain to be cali
3. 27 DOT 26 DO4 25 DIO 24 DI2 28 DOO 22 DO 21 DI6 20 D4 d Depends on jumper position Interface Characteristics Compatible bus Expansion slot requirements Addressable locations Data path I O address space Analog Inputs Number of input channels Analog resolution Sampling rate Relative accuracy Integral nonlinearity Differential nonlinearity Maximum analog measurement range Overvoltage protection 16 bit ISA or EISA one half length 16 bit slot 100 3F0 6 16 bits 8 bytes 16 single ended 8 differential DI 400 and DI 410 16 single ended DI 401 12 bit 1 part in 4096 DI 400 and DI 401 14 bit 1 part in 16 384 DI 410 DI 401 500 000 samples sec with some restrictions Call for details DI 400 250 000 samples sec max up to 500 000 with some restrictions Call for details DI 410 125 000 samples sec max 0 05 1 LSB max 0 9 LSB max 10V DI 400 and DI 410 5V DI 401 30V Specifications 3 DI 400 Series User Manual Common mode rejection ratio Input impedance Data Transfers Gain ranges software selectable per channel 80dB min EA 1 1 MO minimum Programmed I O 1 2 4 8 or 1 10 100 DI 400 1 2 4 8 DI 410 1 fixed DI 401 Analog Outputs DI 400 and DI 410 only Number of channels Resolution Data transfers Update rate Nonlinearity Differential nonlinearity Relative accuracy Output voltage range Current drive capability Outpu
4. 400 Series instrument without exceeding it For example apply 9 5V you can use a fresh 9 volt battery for a DI 400 or DI 410 or 4 5V for a DI 401 13 Adjust the Span ADC pot until WINDAQ software s channel 1 numerical display reads the same as the DVM EIE ADC Offset P di Span ADC PGA Offset ga N D A Calibration The D A subsystem of your DI 400 Series instrument is calibrated before it leaves our facility and in normal use should never need to be re calibrated Contact Dataq Instruments technical support if you have reason to suspect you need D A calibration Calibration 28 DI 400 Series User Manual 6 Block Diagram DI 400 and DI 410 Block Diagram DAC lt DACI lt PGA aad ES ADC DAC se 16 MH ANALOG Euer Di DIGITAL MUX QUT IN PORT GUT T DG EE paiTAL N lt ie PORT lt IN ANALOG MUX N E EE PROM DC DC PLUG AND PLAY CONVERTER BUS INTERFACE n ISA BUS Block Diagram 29 DI 400 Series User Manual Analog in UH a DI 401 Block Diagram ADC Dig out gt Digital 16Mhz port out Mux DERE Dig in lt Digital PRES Program port lt N RAM 16K Words EE A 415V 15V Prom Y DC DC aan Converter us Interface A ISA Bus Block Diagram 30 Bi DATAQ INSTRUMENTS DATAQ Instruments Inc 241 Springside Drive Akron Ohio 44333 Telephone 330 668 1444 Fax 33
5. address conflict with another device you will have to configure the DI 400 Series board for a port address other than 180 The port address is used by your computer to locate the board during operation A port address for any device installed in your computer must be unique to that device Any overlap of port address ranges between two or more boards will cause improper operation DI 400 Series boards require 8 contiguous bytes of I O space Personal computers reserve 1024 bytes of memory from 000 to 3FF for VO devices However not all 1024 bytes of this VO memory is available for the DI 400 Series board This limits where you can place the DI 400 Series board in the I O space DI 400 Series boards can fit into any unoccupied 8 byte portion of I O memory from 100 to 3F0 The following table can be used as a guide for the selection of a port address suitable for the DI 400 Series board It lists devices that normally occupy certain hex hex Getting Started 8 DI 400 Series User Manual port addresses If your computer has a device installed that appears in the Usually Used By column then that port address should not be specified for the DI 400 Series board Make sure that the DI 400 Series board s port address is not set to an address already used by another device in your computer Hex Range Usually Used By 170 177 Fixed Disk Controller 2 1F0 1F7 Fixed Disk Controller 1 200 207 Game Port 238 23B Bus Mouse 23C
6. solution is not possible cross talk can be minimized by channel segregation This is accomplished by applying one gain factor to single ended channels O through 7 and a different gain factor to channels 8 through 15 The cross talk specification for all PGL models at a sample rate of 250kHz is less than 70db when both channel gains are less than 100 At a sample rate of 200kHz crosstalk is less than 60db when one channel gain is equal to 100 Specifications 5 DI 400 Series User Manual 3 Getting Started Unpacking The following items are included with each DI 400 Series package Verify that you have the following e DI 400 Series board The WinDaq Resource CD ROM e DI 400 PGH PGL DI 401 and DI 410 User s Manual which you are currently reading If an item is missing or damaged call Dataq Instruments at 330 668 1444 We will guide you through the appropriate steps for replacing missing or damaged items Save the original packing material in the unlikely event that your board must for any reason be sent back to Dataq Instruments Keep your DI 400 Series board in its protective anti static bag until you are ready to install it When you remove the board from the bag hold it by the edges and do not touch the components Configuring the DI 400 Series Board The DI 400 Series board has two jumpers that must be checked before the board is installed The board also has a bank of DIP switches that must be configured before inst
7. 0 666 5434 E mail support dataa com Direct Product Links click on text to jump to page Data Acquisition Data Logger Chart Recorder Thermocouple Oscilloscope
8. 0 Series board to increase its total input channel capacity These instruments are as follows Accessories 18 DI 400 Series User Manual Bare Board Instruments DI 500 Series Expander Instruments DI 5002 DI 5003 DI 500 32 DX DI 500 32 PX DI 510 32 DX DI 510 32 PX DI 510 64 DX DI 510 64 PX The DI 5002 is simply a bare board that provides economical high level input channel expansion capability for DI 400 Series boards The DI 5003 is also an economical bare board but it provides signal conditioned input channel capability via DI 5B signal conditioning modules for DI 400 Series boards The DI 5002 and DI 5003 can be used by themselves or together in various configurations to get the desired mix of high level and or signal conditioned channels The DI 500 Series Expander instruments provide all means of channel expansion capability for DI 400 Series instruments They are a complete solution and feature a more finished appearance with portable desktop or rackmount enclosures and labeled overlays The DI 5002 Bare Board To increase high level input channel capacity with the DI 5002 simply connect the appropriate end of the included expansion cable to the DI 400 Series board and connect the other end of the cable to the 40 pin IDC connector labeled IN on the DI 5002 board refer to the following illustration Note that the connector on the DI 5002 board is keyed therefore difficult to improperly connect Power for the DI 50
9. 02 is derived from the DI 400 Series board through the expansion cable The 40 pin IDC connector labeled OUT on the DI 5002 board can be used to further increase channel capacity Several instruments can be daisy chained together by connecting additional expansion cables from the OUT connector of the DI 5002 board currently in use to the IN connector of another DI 5002 board All channel connections are now made at the DI 5002 instead of the DI 400 Series board Refer to the following illustration for channel assignments Accessories 19 DI 400 Series User Manual IN ard UT oannechr pin aut 45V 1002 FESEWED 200 4 FESEVED 500 F PVICND 70042 FESE WED 30016 ore 110012 one 130011 Gda IE o o If wg IF 0 o I AGN Io om F SH MHI1 210032 F SE MVHIN 450 O 24 F S H 0 O OR F S H 97 0 O JR EF ZE 0 O dr C iat da a 410 O de nnec appropriate en DH 5008 cor nactar z b 43 0 0 44 mpansin cable la DI AD beard n Sk ad O O db E E pin out Er 700 cornect other end to IN en 1 ol2 che F SEWLD 32 0 O sh N am 3 0 0 E ae C42 5 o o e L P es 7lool amp cH These cannectors are OUT E cr adioa Om Bjo ol cuz i car ijo ol2 CGM used for connecting D eds esr gus 50083 boards I signal E lo ol a SEM conditioned inputs are 47 gjo ojah cH 5 deere CAM 71 0 oja H CAB valo ofre cm l NC 5 ol NG DI 5 XF cenrectar pi uul CH 7 1 00 2 C25 ar ibs 2 ca Starting in the top left
10. 23F Alt Bus Mouse 278 27F Parallel Printer Port 2B0 2DF EGA 2E0 2E7 GPIB AT 2E8 2EF Serial Port 2F8 2FF Serial Port 300 31F Prototype Card 320 32F Hard Disk XT 360 36F Reserved 370 377 Floppy Controller 2 378 37F Parallel Printer Port 380 38F SDLC 3A0 3AF SDLC 3B0 3BB MDA 3BC 3BF Parallel Printer Port 3C0 3CF VGA EGA 3D0 3DF CGA 3E8 3EF Serial Port 3F0 3F7 Floppy Controller 1 3F8 3FF Serial Port Your board s I O port address is set with the DIP switches These switches shown in FIGURE 4 represent bits 3 through 9 of the port address bits 0 through 2 do not matter and are used to turn an address line either on or off You can configure the DI 400 Series board for an I O port address from 100 to 3F8 in increments of 8 Once again the default selection is 180 and in most instances does not need to be changed A switch setting is changed by flipping the switch A switch in the ON position selects a O for the bit it represents A switch in the OFF position selects a 1 for the bit it represents Therefore the value of an address line exists only when the switch is in the OFF position wee DEI pray vaveievicn poss ST 3 9 al xx x DE Cs Base midress ait number M3E LSB TIRE FIGURE 4 Switch configuration default port address 180 When you have decided on a port address and verified the absence of conflicts configure switches 1 through 7 Remember this port address setting You will need it when
11. DI 205 is a termination panel for general purpose input and output The DI 205 along with the supplied three foot cable provides a convenient way to interface digital input output analog output and analog input signals to DI 400 Series boards Signal connection is via terminal strip for digital and analog output signals or 5 way binding posts banana sockets for analog input signals DI 205 Input Output Panel Interconnections Digital VO Analog Output o O S GND S GND 0000 Dif mE 1 CHAN 2 CHAN 3 CHAN 4 CHAN 5 00000 CHAN 9 1 CHAN 10 2 CHAN 11 3 CHAN 12 4 CHAN 13 5 CHAN 14 6 CHAN 15 7 CHAN 16 8 0000600 00 S GND S GND S GND S GND S GND S GND S GND jii DATAQ INSTRUMENTS CHAN 7 o o o o o Model DI 205 Accessories 14 DI 400 Series User Manual Digital inputs Digital outputs y EA Ve E O O Analog inputs CHAN 1 CHAN 2 CHAN 3 CHAN 4 Dif LO CHAN 9 1 CHAN 10 2 CHAN 11 3 CHAN 12 4 CHAN 13 5 CHAN 14 6 CHAN 15 7 CHAN 16 8 OOOO S GND S GND S GND Model DI 205 DATAQ Digital Inputs DIO to DI7 The left end of the 20 connector screw terminal labeled DGND and DIO through DI7 indicate the digital input ports of the DI 205 Digital Outputs DOO to DO7 The 8 digital output lines labeled DOO through DO7 indicate the digital output ports of the DI 205 Analog Output DACI DAC2
12. DI 400 Series User Manual Warranty and Service Policy Product Warranty Datag Instruments Inc warrants that its hardware will be free from defects in materials and workmanship under normal use and service for a period of one year from the date of shipment Datag Instruments obligations under this warranty shall not arise until the defective material is shipped freight prepaid to Datag Instruments The only responsibility of Datag Instruments under this warranty is to repair or replace at its discretion and on a free of charge basis the defective material This warranty does not extend to products that have been repaired or altered by persons other than Datag Instruments employees or products that have been subjected to misuse neglect improper installation or accident Datag Instruments shall have no liability for incidental or conseguential damages of any kind arising out of the sale installation or use of its products Service Policy 1 All products returned to Dataq Instruments for service regardless of warranty status must be on a freight prepaid basis 2 Dataq Instruments will repair or replace any defective product within 5 days of its receipt 3 For in warranty repairs Dataq Instruments will return repaired items to the buyer freight prepaid Out of warranty repairs will be returned with freight prepaid and added to the service invoice DI 400 Series User Manual Table of Contents Warranty and Service Po
13. Note that since the gold plated card edge connectors are inserted into the dual expansion slot it is impossible to orient the board incorrectly Getting Started 10 DI 400 Series User Manual Option eZ Retaining NW Bracket D FIGURE 6 Installing the DI 400 Series card into the expansion slot 6 Position the DI 400 Series board over the chosen dual expansion slot Put a thumb on the top edge of the board rock it gently lengthwise to get it started then press down firmly until the board is fully seated 7 Install the screw laid aside in step 4 into the option retaining bracket to hold the board firmly in place 8 Replace your computer s cover following the instructions provided by the manufacturer This completes the board installation The next step required before you actually start using the DI 400 Series board is to install the software Two software options for DI 400 Series boards are WINDAQ software and the ActiveX Control Library which supports LabVIEW TestPoint HP VEE etc The ActiveX Control Library is automatically installed with the installation of WinDaq Lite Pro or Pro To begin the WinDaq software installation insert The WinDaq Resource CD ROM into your CD ROM drive and select Install software for all other products except DI 194 Getting Started 11 DI 400 Series User Manual 4 Accessories This section describes hardware products that may be used with DI 400 Series boards Contact Dataq Ins
14. VOUT The digital to analog converter DAC outputs have two applications As a general purpose analog output accessible through WINDAQ or Programmer s SDK software or as a variable signal suppression voltage automatically enabled and multiplexed to all channels through Programmer s SDK software Input Signal Configuration The DI 205 may be configured to connect to 16 single ended or 8 differential channels In addition any combination of single ended or differential channels may be applied A differential channel is configured by using two single ended inputs according to the following illustration S GND S GND Signal leads O input CHAN 1 CHAN 1 Signal leads input CHAN 9 1 CHAN 9 1 S GND S GND Channel 1 configured for Channel 1 configured for a single ended input a differential input Accessories 15 DI 400 Series User Manual Note that when an input channel is configured for differential operation the binding post associated with that channel s high input assumes the channel number Connecting a Single ended Amplifier A single ended amplifier is the most straight forward approach to connecting signals to the DI 205 However to derive adequate performance the use of a single ended amplifier requires that the signal to be measured is relatively high level i e 21v full scale and the distance from the signal source to the DI 205 is relatively short X15 feet Assuming these conditions exist a single ended ampl
15. allation Changing the configuration of these jumpers and switches if need be is much easier now before the board is installed in your computer The locations of the switches and jumpers are indicated in FIGURE 1 Pin 19 configuration jumper 1 Pseudo differential normal inputs jumper Port address select switches p FIGURE 1 DI 400 Series board jumper locations Jumper JP11 is used to configure the input channels for normal or pseudo differential operation Jumper JP13 configures pin 19 of the 37 pin I O connector as analog ground or as DAC2 Jumper Configuration A jumper is a device used to configure a specific state condition or option This is accomplished by installing the jumper over a pair of pins on the board thus electronically connecting the two pins The position of the jumper on the pins determine the state condition or option To remove the jumper grasp it firmly between thumb and forefinger and gently pull straight up off of the pins and away from the board To install the jumper place it over the two desired pins making certain that the pins line up with the two holes in the jumper and push the jumper down until it is firmly seated Getting Started 7 DI 400 Series User Manual The position of jumper JP11 configures the DI 400 Series inputs to operate in normal mode 16 single ended or 8 differential inputs or pseudo differential mode 16 differential inputs all tied to a common return The pseudo
16. brated D A Calibration e A precision DVM with resolution of at least 1 mv A D Calibration Calibration of the board s A D subsystem is performed with the following connections VO Connector Pin Precision 37 DVM f 36 DI 400 Series board is configured for normal mode 35 Fi Make sure jumper JP11 on the 28 Analog Stable 2 Common Voltage Source Normal mode has pins 1 amp 2 jumpered and pins 3 amp 4 jumpered Or if you are using the alternative voltage calibrator the following figure illustrates the necessary connections Calibration 23 DI 400 Series User Manual VO Connector Pin 37 Voltage Calibrator DI 400 Series board is configured for normal mode 36 35 A Make sure jumper JP11 on the 28 Analog Common Normal mode has pins 1 amp 2 jumpered and pins 3 amp 4 jumpered JP11 When either of the above circuits are connected run WINDAQ Pro or WINDAQ Pro recording software and follow these steps 1 In WINDAQ Pro or WINDAQ Pro enable channels 1 2 and 3 i e point to the Edit menu and drag down to Channels etc Complete channel enabling details can be found in the WINDAQ Pro and WINDAQ Pro User s Manual Also select a screen format that enables you to see all three channels onscreen at the same time 2 Setthe burst rate to 50 000 Hz as follows a Point to the Edit menu drag down to Preferences and release the left mouse button This displays th
17. ch channel to be programmed for a different sample rate D A subsystem provides 12 bit DI 400 or 14 bit DI 410 resolution 16 entry output list allows you to write analog outputs digital outputs or a mixed combination of analog and digital outputs 16 output counters allow each analog or digital output to be written at its own sample rate Programmed I O PIO data transfer modes Simultaneous input and output mixed analog or digital I O Signal averaging of up to 65 536 consecutive readings per channel Supports analog pre and post triggering of data acquisition based on the level and slope of a specified channel Introduction 1 DI 400 Series User Manual ee The following provides a brief overview of the major subsystems of DI 400 Series boards Analog Input 16 single ended or 8 differential analog inputs allow your analog signals to be converted into 12 bit DI 400 and DI 401 or 14 bit DI 410 digital data via the onboard A D converter The board then transfers the digital data to user memory by PIO data transfer operations The DI 400 Series boards feature an input range of 10V DI 400 and DI 410 or 45V DI 401 On DI 400 boards the input gain is programmable The DI 400 PGL has gains of 1 10 and 100 to accommodate sampling of full scale inputs to 100mV while the DI 400 PGH has gains of 1 2 4 and 8 to accommodate sampling of full scale inputs to 1 25V On DI 410 boards the input gain is also pro
18. corner NOG CHa 7 00 amp Ger wih the Diner a ier tedas crea loo 1 com shawn channel assignment CHET Isle o 14 Gog is as follows Cree izle o is CM EO celo md CHA uso o 54 CIM Va NG 21 O O zem NC 1 2 3 4 5 B 7 B 17 18 19 20 21 22 23 24 A A Roe HEBEBEBEBEEBEBEN NENA Goococoooocccococo Goococoocooococcoccoco 9 10 11 12 13 14 15 16 25 26 27 28 298 3 31 32 xxx RR BEHNEHNHNEHNEHBEBEHBERBER NENA SGoococoooocGocGococo Goeocococoocecooqco The DI 5003 Bare Board To add signal conditioned input channel capability to your DI 400 Series board simply connect the appropriate end of CABL 1 expansion cable to the DI 400 Series board and connect the other end of the cable to the 26 pin IDC connector on the DI 5003 board refer to the following illustration Note that the connectors on the DI 5003 board are keyed therefore difficult to improperly connect The DI 5003 can be powered either from a 5VDC or a 9 to 36VDC source Each DI 5003 board provides 16 signal conditioned input channels If you want to add more than 16 channels of signal conditioned input capability to your DI 400 Series instrument you must include a DI 5002 with each additional DI 5003 board All signal conditioned input channel connections are now made at the DI 5003 Refer to the following illustration for channel assignments Accessories 20 DI 400 Series User Manual Abr NES ar aut 2 amp pin connect EV 1002 NG em e
19. data acquisition digital I O and DSP operations and that you possess enough proficiency in software to write your own application and or diagnostic programs unless you will be using ready to run WINDAQ software Features The DI 400 Series board provides the following features Per channel software configurable settings Single ended or differential input Input gain Sample rate Signal Averaging Channel expansion Input and output measurement range Digital calibration of D A converters 250kHz DI 400 or 125kHz DI 410 burst sampling rate Note that it is possible to operate the DI 400 and DI 401 at a sample rate of 500kHz with some restrictions Contact Dataq Instruments technical support for complete details Eight each digital input and output lines A D subsystem with up to 16 input channels provides 12 bit DI 400 and DI 401 or 14 bit DI 410 resolution 256 entry input list allows you to scan analog signals digital signals or a mixed combination of analog and digital signals for signal processing operations Any sequence of input channels may be sampled at any available gain with unique single ended differential configurations The 256 entry input list also allows you to average consecutive readings for low noise output signals Additionally the 256 entry input list also allows you to output digital data while simultaneously scanning analog input signals 256 counters are assigned to the input list allowing ea
20. e Edit Preferences submenu D b In the Edit Preferences submenu click Maximum Sample Rate This displays the maximum sample rate dialog box Maximum Sample Rate LX Maximum Sample Rate 50000 OK Cancel D c Enter 50000 in the text box and close the dialog box by clicking the OK button 3 Setthe sample rate to 50 as follows a Pointto the Edit menu and drag down to Sample Rate This displays the sample rate dialog box Sample Rate x Input Buffer Size in KiloBytes 0 Disk Buffer Size in KiloBytes 64 Sample Rate po OK Cancel Calibration 24 DI 400 Series User Manual D b Enter 50 in the text box and close the dialog box by clicking the OK button 4 Select channel 1 if not already selected File Edit View File Edit View File Edit View Mode Oscill Mode Oscill Mode Oscill B s F3 200 B s F3 200 js F2 200 10 000 IU UQU 10 000 1 001 001 001 1 0 Volt OCA Volt EE volt 10 000 zi 10 000 unselected click selected window anywhere window to select When selected a box surrounds the variable waveform assignment indicator indicating that the channel is selected for adjustment 5 Select the average acquisition mode and set the gain for each channel as follows a Pointto the Edit menu and drag down to Channel Settings This displays the Channel 1 Settings dialog box D b Click the Average but
21. grammable but only with gains of 1 2 4 and 8 to accommodate sampling of full scale inputs to 1 25V Analog Output The D A subsystem on the DI 400 features two 12 bit D A converters for outputting analog data The D A subsystem on the DI 410 features two 14 bit D A converters for outputting analog data An onboard 16 entry output counter list allows you to write analog or digital output at the maximum conversion rate of the board Digital Input and Output DI 400 Series boards contain 8 each input and output lines for input output operations Digital inputs can monitor alarms or sensors with TTL outputs while digital outputs can drive TTL inputs on control or measurement equipment Digital Signal Processor DI 400 Series boards utilizes Analog Devices AD2181 DSP chip Introduction 2 DI 400 Series User Manual 2 Specifications I O Connector and Signal Connections All user connections are made to a single 37 pin D shell connector as follows LL GND or DAC2 CH1 LO IN CH9 HI IN CH2 LO IN CH10 HI IN CH3 LO IN CH1 1 HI IN CH4 LO IN CH12 HI IN CH5 LO IN CH13 HI IN CH6 LO IN CH14 HI IN CH7 LO IN CH15 HI IN CH8 LO IN CH16 HI IN DO5 DAC1 DO6 POWER GND DI DIS DO1 DO3 DIS 5V PWR 19 18 17 16 15 14 13 12 11 10 oR O O o co 37 CH1HIIN 36 CH2HIIN 35 CH3 HI IN 34 CH4 HI IN 33 CHSHIIN 32 CH6HIIN 31 CHT HI IN 30 CHB HI IN 29 D7 28 PSEUDO DIFFERENTIAL or NORMAL INPUTS
22. ifier may be connected to your signal source as follows DI 206 HG terminal strip Connecting a Differential Amplifier A differential channel configuration is a special case approach to signal measurement that should be used with all low level measurements i e when an input signal 1v or when the signal to be measured is located far away from the DI 205 i e 215 feet When in a differential operating mode the DI 205 amplifier sees the difference in voltage between the high and low inputs Differential amplifiers have the advantage of reducing common mode voltages i e those appearing simultaneously and in phase on both inputs This capability may be leveraged to great advantage to reduce noise riding on a signal of interest Two signal measurement conditions govern your configuration of a differential channel input The signal to be measured is ground referenced or the signal to be measured is isolated from ground Ground referenced Signal Sources A ground referenced signal source is one with a local ground that may not be and probably is not at the same potential as the computer s ground This potential difference between signal ground and computer ground is referred to as a common mode voltage and is caused by a number of different factors Computer Ground A Signal Source Ground potential difference Common Made Vcltage Accessories 16 DI 400 Series User Manual The most common of
23. le to the 37 pin connector labeled EXPANSION IN on the DI 500 Series instrument overlay refer to the following illustration Power for the DI 500 Series expander instrument is derived from the DI 400 Series board through the expansion cable ignore the POWER INPUT jack and the POWER switch on the DI 500 Series expander instrument They are nonfunctional when used with the DI 400 Series All channel connections are now made at the DI 500 Series expander instrument instead of the DI 400 Series board Accessories 21 DI 400 Series User Manual Connect approp ate end of EXPANSION 00 for akl ena expansion cable te Di 400 board channel capacity ta FXPANS ON IN connect other end ta EXPENSI N IN on the next expander instru man u C C e MER mm pee 5 10 E4 DEX ELE TERE E EE DAE N RR EE EE TE E Te tu te Re BE Re KERE cx N ME ME Ma Mr re Ete de x te N ME uae Em poc ME Ma 6 0x E 4w LO 032 il Ow uc Mm Enabling Channels for Acquisition with WINDAQ Software WINDAQ recording software features a channel selection grid for enabling or configuring channels for acquisition A typical grid looks similar to this wer Enable channels 1 32 on this row channels At through A32 Channel Selection oe 1 2 dd EG We N NPI 500 Click to select check or deselect
24. licy u a ie se metio go bek coc eN Bee beg BEG be Ge oie boog kes se seien Be ge ie REG ES eS De DE Ge Gees Do sed eb i Product Warranty Service Policy Table of Contents eo eee aeree ee ER Ge AIRES REES ee ee Ge OE TNS iii 1 Introduction ECM ana AR EE ER HE ERROR ec EE OR AE EE AE Analog ELS EE EE EE EE OR RE daveop OE ES N tans Analog Output a T We xe Digital Opuntia 2 Digital Signal Processor rettet esse RER 2 PS E se ese MC PERI c MH Kc PR 3 I O Connector and Signal Connections Lees se se ee ee Geek iieii Re Ge tenete ntn nen On Ge ee te tente eet toten entente tenen tenen Interface Ch r cteristies rt Analog Inputs ee eet OE E RR entente mm Analog Outputs DI 400 and DI 410 only Digital Input Output esset Timing Input Output Input List Architecture Output List Architecture On board DSP sss Physical Environmental eese tenentes Gain and Other Special Considerations for PGL Models 3 Getting Started sissies siese eed GE see ae ese oe skede hon gie se Ee Ge se eg ego eke de dekke ee ag oi nadeel ak 7 Unpacking un EG E E GE RE EG GE SR Ee GER EE Ge ee eet 7 Configuring the DI 400 Series Board se se ee ee Geek RR He ee Gee ee tenente He Ge Ge ee tette Geek GR Re He ee Ge eek tenen ten 7 Jumper Configuration DIP Switch Configuration Installing the DI 400 Series Board eere tete ttr tire Reede Se tette ti tren ettet etin
25. n NC 300 N p news 223 M m VE ooz c rA uico T Haa NC 90013 N Ze 50083 GUN CHIE 110012 415 233 Soola ca CH I 130014 2413 amp le o 15 Balz cH12 150 O18 5411 el Ho ol uw CHI 170 o1E 048 545 30 olid 0413 AAND Fo 927 NG DOM 50 olie 0411 Ng SA Sub Oe Clie Di ND 230024 NG Za Mo olor fain NG PEO OPE NG Suv pio oja Kalk NG di AE RENI Sah 730 Op Sow ne erie Oise us NG Pao O E NG GE a Sar eNA GH5 B20 034 544 GH2 s3 0 ORE 1 47 CI 3 0 04F NG NG za 0 OM NG Connect xwe here This connector can also be used ty connect ta the TH A00 45VIKz rd Use a7y fm strain through cable Starting n the tap laft camer with the board ofented as shnwn channe assign Tent and exc tation B as follows _ Connec BEELD cake GABL 1 In DI ADI bart connect other enc 7 het E d y AAA a 1 2 3 4 5 6 7 E D 10 11 12 13 14 15 16 EE EN EEN ENIG t t 4 EEEEEEEEEEEEEEMN EEEEEEEEEEEEEEMN QoeoeQqoooogocoocoeoo OPP QQPM SGSPOQQQHSROG Top row are channels 1 2 3 4 5 amp 7 B a 16 11 12 13 14 15 16 EE EE EE EE NG 4 4 4 4 4 4 OEEEEEEEEEEEEEME EEEEEEEEEEEEEEE QoooeQqooooocceceoooo OESE OEM ZEZ EC ROESER ESES OESO 7 Ballom raw are excilalian oulpuls DI 500 Series Expander Instruments To increase channel capacity with any of the DI 500 Series expander instruments simply connect the appropriate end of the included expansion cable to the DI 400 Series board and connect the other end of the cab
26. s should be chosen to be as low as possible but the value you use is dependent upon the output impedance of your signal source Generally the value of the bias resistor should be 10 times the output impedance of your signal source or higher Bias resistors greater than IMO are not recommended Accessories 17 DI 400 Series User Manual DI 205 1 i ui M erminal strip Differential ip Ampifier Shield Locate bias resistors as clase to amplificr as possible Signal Cable and the Differential Amplifier A quick rule of thumb Any application requiring a differential amplifier also defines a need for quality signal cable Four elements combine to ensure adequate quality signal cable a twisted signal pair with low resistance stranded copper conductors surrounded by a multiple folded foil shield with a copper stranded drain wire all contained within an insulated outer jacket Drain Wire Insulaled Ouler Jackel Foil Shield Twisted Signal Pair Stranded Copper Conductors In applications where such signal cable is used a dramatic decrease in noise pickup will be experienced The drain wire should be considered as the shield and should be connected as described in the Connecting a Differential Amplifier section above Signal cable meeting all four criteria for quality is Belden No 8641 Increasing the Total Analog Input Channel Capacity General Any one of several instruments can be connected to the DI 40
27. t settling time to 0 01 Output impedance Digital Input Output Capacity Compatibility Max source current Max sink current Digital input termination Timing Input Output Number of input counters Number of output counters Resolution Base clock accuracy Counter input frequency Input List Architecture Positions Two 12 bit 1 part in 4 096 DI 400 14 bit 1 part in 16 384 DI 410 Programmed VO 100 000 Hz 1 LSB max 0 9 LSB max 0 05 10V 5mA 10us 0 32 8 each input and output TTL compatible 0 4mA 2 4V 8mA 0 5V 4 7kQ pull up to 5 VDC 256 16 1 part in 32 768 0 01 16 MHz 256 scan elements Element size 32 bits Element bit assignments 16 bits Sample rate definition DO D3 Channel number D4 Single ended or differential D5 D6 Gain D7 Unipolar or bipolar D8 D12 Digital output bits 5 D13 Digital output bits on off D14 Sample averaging on off D15 Reserved Output List Architecture Positions 16 scan elements Element size 32 bits Element bit assignments 16 bits Output rate definition DO Specifies analog or digital output Specifications 4 DI 400 Series User Manual DI Digital output bits on off D2 D7 Don t care D8 D15 Digital output data On board DSP Type Analog Devices AD2181 32 MIPS Clock frequency 16 MHz external 64 MHz internal Data memory 16k words Program memory 16k words Physical Environmental Board dimensions 8 5 in by 4 25 in I O connec
28. tete tit Gee ee essen 10 Input Signal Configuration a hae tt PU DET e eee erp denen The DI 75B 5B Module Expander costear ROTER CR ee RR Ge Rg ee gese eek The DI 725 Analog Channel Expander E ov CABL 4 Femal 37 pin D to 16 BNC Connectors entere entente nennen tnter tenente tente nen 14 CABL 5 Male to Female 37 pin D DI 205 Input Output Panel Interconnections essent ttn tenente tenen tenente tenent Ge ee ke canon 14 Input Signal Configuration The DI 5003 Bare Board DI 500 Series Expander Instruments esse see ee se seek Re Geek Ge ee Ge ee Ge eek Re Ge tenente tenen tenete tete Ge enne te tentent 21 DI 400 Series User Manual Enabling Channels for Acquisition with WINDAQ Software sese He Ge Ge ee ee canon 22 E EE EE EE EE IE EE EE EE EE EE IE EE 23 Required Equipment u a ei re a SR Re 23 DIe lS EE OER EE EE OR EE EE RR 23 D A CalibratiOtni EE e Oe NER OR RO Re EE EE EE RE em 28 6 Block Dia Sram arts ee Dite eren ee eo e supe oe ee E pore Lore e Eg i 29 DI 400 Series User Manual 1 Introduction Congratulations on your purchase of a DI 400 Series data acquisition board It permits data acquisition on IBM personal computers and compatibles from either Windows or the DOS programming environments This manual describes how to install and use the DI 400 Series analog and digital I O board It is assumed that you have a general understanding of
29. the end of this procedure for pot locations and descriptions Calibration 26 DI 400 Series User Manual ZZ Acquisition Al xj Ele Edit View Scaling Options Help Mode Oscill Channels 1 2 3 S s F3 240 Compress F7 1 Storage used 10 000 b aas aoa MAA E Offset until 1 1 Volt this reads zero volts 10 000 10 000 10 000 213 3 3 olt 10 000 S s CHAN 80 sec DIV 0 25 Status SET UP 10 Adjust the PGA Offset pot until WINDAQ software s channel 3 numerical display reads zero volts or as close as possible since this pot is a much finer adjustment than in the previous step This adjustment causes the ADC Offset adjusted in the previous step to increase slightly This is normal it is a back and forth give and take type of adjustment Acquisition lolx Fie Edit View Scaling Options Help Mode Oscill Channels 1 2 3 S s F3 240 0 Compress F7 1 Storage used 10 000 He t t 124 Volt RR DLE EL N 10 000 10 000 Adjust PGA 0 000 Offset until ES Volt this reads zero volts MV 10 000 10 000 S s CHAN 80 sec DIV 0 25 Status SET UP Calibration 27 DI 400 Series User Manual 11 Repeat steps 9 and 10 until both channel s numerical display reads zero volts or as close as possible 12 Using the voltage source apply a voltage that is as close as you can get to the full scale input range of your DI
30. these is different physical locations of the computer and signal ground points Since wire is not a perfect conductor i e exhibiting zero resistance regardless of length a voltage drop however small will always be present The differential amplifier is unigue in its ability to measure signals originating from sources with different ground potentials relative to the computer providing it is connected properly MY WRONG APPROACH IH Circulating currents in signal shield induce noise on signal of interest Di 205 i tri Z erminal strip Signal Diferential Source Amplifier T Ground loop caused hy circulating currents The most common error made in connecting differential amplifiers is the tendency to ground both ends of a signal shield This causes current to flow through the shield and induces noise on the signal to be measured This problem is eliminated by ensuring that only one ground exists on the signal circuit N RIGHT APPROACH VVV One ground an the signal circuit eliminates noise inducing ground loops 4 DI 205 terminal strip Potential differance Na path for current tn circ late Isolated Signal Sources There are two considerations when connecting a differential amplifier to an isolated signal source The elimination of ground loops as described above and the use of bias resistors to provide bias current for the differential amplifier s positive and negative inputs The bias resistor
31. ton in the Acquisition Method section of the dialog box Click here to select the average mode Geia FS Ven FS Vel Input Type Lines F Unipol en 7 Exhreshieil 1 os Reset Cal Cancel D c Click on the gain factor 1 in the top left corner of this dialog box to set channel 1 s gain to 1 D d Click the Next button at the bottom of the dialog box to display the Channel 2 Settings dialog box Calibration 25 DI 400 Series User Manual e Repeat steps b and c for channel 2 f Click the Next button at the bottom of the dialog box to display the Channel 3 Settings dialog box Repeat only step b for channel 3 h Now click on the gain factor 8 if you have a PGH model instrument or 100 if you have a PGL model instrument in the top left corner of this dialog box to set channel 3 s gain to the highest possible setting C OO 66 i Click the OK button to close the Channel 3 Settings dialog box 6 Select channel 1 again if not already selected refer to step 4 if you do not remember how to select a channel for adjustments 7 Setthe instruments A D converter to it s full dynamic range on channel 1 as follows a With channel 1 selected point to the Scaling menu and drag down to Show Dynamic Range 8 Repeat steps 6 and 7 for channels 2 and 3 9 Adjust the ADC Offset pot until WINDAQ software s channel 2 numerical display reads zero volts refer to the illustration at
32. tor 37 pin male D type Operating environment Component temperature 0 to 70 C Relative humidity 5 to 90 non condensing Storage environment Temperature 55 to 150 C Relative humidity 5 to 9096 non condensing Gain and Other Special Considerations for PGL Models The DI 400 is offered in two models the DI 400 PGH and the DI 400 PGL The PGH model offers programmable gain factors of 1 2 4 and 8 for high level inputs hence low level gains while the PGL model offers programmable gain factors of 1 10 and 100 for low level inputs hence high level gains If you have a DI 400 PGL model instrument you have the capability of applying relatively high gain factors An undesirable characteristic that accompanies this capability is an industry wide phenomenon known as cross talk In a multiple channel system operating at high gain levels cross talk is the tendency of information on one channel to bleed or leak to another channel When acquiring multiple channels at high gain levels the following guidelines should be observed to eliminate or minimize the effects of cross talk 1 To greatly reduce cross talk program each channel s gain so there is no more than a 10X difference between all channels For example when acquiring two channels programming gains of 1 and 10 or 10 and 100 will greatly reduce cross talk Similarly when acquiring three channels gains of 1 1 and 10 or 10 10 and 100 will work as well 2 If the above
33. truments for information on the latest available accessories The DI 705 Signal Input Output Option General The DI 705 is a screw terminal signal interface that provides a convenient way to interface analog input and digital input output signals to the DI 400 It plugs into the 37 pin D connector on the DI 400 and provides signal access through screw terminal strips The terminal strips accept 16 22 gauge wire and each screw terminal is silk screened with the corresponding D connector pin number The DI 705 also features a 37 pin male pass through connector which allows you to connect our BNC cable model number CABL 4 or our DI 75B or any 37 pin DAS 16 compatible cable to the DI 400 while still allowing screw terminal access Input Signal Configuration Pass through connector Signal connections are made to these screw terminals Plugs directly into the DI 400 Any combination of single ended or differential channels may be connected to the DI 705 but keep in mind a differential channel uses two analog inputs Configure single ended and differential channels on the DI 705 the same way as on the DI 400 Refer to the paragraph titled I O Connector and Signal Connections in the Specifications section of this manual for single ended differential configuration details The DI 75B 5B Module Expander The DI 75B is an eight channel expansion instrument that allows you to make isolated industrial type measurements
34. with the DI 400 Each DI 75B measures 9 L x 7 29 W x 2 7 H and accepts up to eight DI 5B signal conditioning modules to bring thermocouple true rms voltage strain frequency process current RTD potentiometer and DC transducer measurement capability to the DI 400 in any combination suitable for your application The DI 725 Analog Channel Expander The DI 725 is a 32 channel analog expansion device that allows you to increase the analog input channel capacity of the DI 400 Each DI 725 measures 9 L x 7 29 W x 1 52 H and features 32 differential analog inputs dual programmable gain amplifiers with gain selections of 1 2 4 and 8 and a 10 volt full scale measurement range at Accessories 13 DI 400 Series User Manual a gain of 1 The DI 725 derives it s power from the host DI 400 and in most cases will not reguire an additional power supply CABL 4 Femal 37 pin D to 16 BNC Connectors CABL 4 is an interface cable that allows you to use the DI 400 with any device that uses BNC style connectors CABL 4 features a 37 pin female D connector on one end that mates directly with the DI 400 and 16 BNC connectors on the other each individually labeled CABL 5 Male to Female 37 pin D Instead of directly connecting the DI 705 to your DI 400 instrument six foot long CABL 5 can be used between them to allow more accessibility when connecting your input signals to the DI 705 The DI 205 Signal Input Output Panel General The
35. you install the software Incidentally the port address is defined as the lower number in the range For example a port address range of 350 357 is referred to as 350 Getting Started 9 DI 400 Series User Manual Installing the DI 400 Series Board After you have configured the jumpers and DIP switches if needed you are ready to install the DI 400 Series board in your computer Before you start turn the power off on your computer 2 Remove the computer s cover following the directions provided by your computer s manufacturer 3 Locate your computer s expansion slots Choose a 16 bit expansion slot into which the DI 400 Series board will be inserted Note that a 16 bit slot is one characterized by dual expansion slot connectors see FIGURE 5 4 Using a screwdriver remove the slot cover directly behind the dual expansion slot chosen in step 3 by removing the screw at the top refer to FIGURE 5 The slot cover is no longer needed and may be saved or discarded at your discretion Save the screw You will need it to secure the DI 400 Series board to the rear panel Dual expansion slot FIGURE 5 Removing the slot cover from the computer s rear panel 5 Pickup the DI 400 Series board and holding it carefully without touching the gold plated connectors position the board so that the Option Retaining Bracket ORB at the rear of the board slides into the area previously occupied by the slot cover refer to FIGURE 6
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