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Industrial Data Acquisition Systems

1. A O O DI 730 L li l l 7 U Series y DI 730 Series instruments can accept any eight differential analog inputs within a range of 10mV to 800VDC or peak AC Its 1000V of channel to channel and input to output isolation protect delicate control circuits computer equipment and personnel from high common mode voltages When optional cable 100679 is plugged into the expansion connector on the rear panel of the DI 730 pinout is as fol lows Yo DO D OE YD PP PD PIPL FKL FKP KOK SK OY OY NV XD Ak dd DO Oh PPP NM D o HL A Q ADA PEDIDO LLL LLL LIL RACER Getting Started 13 DI 720 DI 730 Series User Manual Instrument Rear Panel The rear panel options are the same for DI 720 and DI 730 Series instruments Instrument Rear Panel EXPANSION de O SA JE ema 9 36V 3A MAX O O se CE PRINTER PORT ACTIVE l POWER Instrument Rear Panel with Ethernet Option EXPANSION a O a ETHERNET 9 to gt 36 V Fa CI Common O O O O O C PRINTER PORT ACTIVE l POWER Instrument Rear Panel with USB Option EXPANSION iis aC d O 486 Ve es O ji o 9 36V USB 3A MAX A Je O O O O PRINTER PORT ACTIVE POWER PRINTER PORT The printer port provides a way to get your input signals into your computer All DI 720 and DI 730
2. FOR WARRANTY RETURNS please have the FOR NON WARRANTY REPAIRS consult OMEGA following information available BEFORE for current repair charges Have the following contacting OMEGA information available BEFORE contacting OMEGA 1 Purchase Order number under which the product 1 Purchase Order number to cover the COST was PURCHASED of the repair 2 Model and serial number of the product under 2 Model and serial number of the product and warranty and 3 Repair instructions and or specific problems 3 Repair instructions and or specific problems relative to the product relative to the product OMEGA s policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 2004 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form in whole or in part without the prior written consent of OMEGA ENGINEERING INC Where Do Find Everything Need for Process Measurement and Control OMEGA Of Course Shop online at omega com TEMPERATURE 4 Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies KH Wire Thermocouple RTD amp Thermistor lA Calibrators amp Ice Point References IM Recorders Controllers amp Process Mo
3. AWERR en MEGA WARRANTY U SA CAR Shop online at omega com CEOMEGA omega com e mail info omega com For latest product manuals omegamanual info Software Configurable Recording Instruments DI 730 SERIES Software Configurable High Voltage Recording Instruments omega com OMEGA OMEGAnet Online Service Internet e mail omega com info omega com U S A ISO 9001 Certified Canada Servicing North America One Omega Drive P O Box 4047 Stamford CT 06907 0047 TEL 203 359 1660 FAX 203 359 7700 e mail info omega com 976 Bergar Laval Quebec H7L 5A1 Canada TEL 514 856 6928 FAX 514 856 6886 e mail info omega ca For immediate technical or application assistance U S A and Canada Mexico Benelux Czech Republic France Germany Austria United Kingdom ISO 9002 Certified Sales Service 1 800 826 6342 1 800 TC OMEGA Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN TELEX 996404 EASYLINK 62968934 CABLE OMEGA En Espa ol 001 203 359 7803 e mail espanol omega com FAX 001 203 359 7807 info omega com mx Servicing Europe Postbus 8034 1180 LA Amstelveen The Netherlands TEL 31 0 20 3472121 FAX 31 0 20 6434643 Toll Free in Benelux 0800 0993344 e mail sales omegaeng nl Frystatska 184 733 01 Karvin Czech
4. Referring again to TABLE 1 set the instrument s gain to 1 and apply the voltage indicated by the SPAN VOLT AGE column of TABLE 1 to the selected channel Note that since all channels are calibrated together any channel may be selected 2 Verify the reading by comparing the value displayed by WINDAQ software with the value of TABLE 1 in the SPAN ACCURACY column 3 Repeat for gain selections of 2 4 and 8 4 If any readings are out of the acceptable ranges described in TABLE 1 arrange to have your instrument recali brated by the manufacturer TABLE 1 Gain Factor Offset OV Span Voltage Span Accuracy 1 OV 20mV 9 800V 9 800V 25mV 2 OV 10mV 4 900V 4 900V 12 5mV 4 OV 5mV 2 400V 2 400V 6 25mV 8 OV 5mV 1 200V 1 200 3 125mV Excludes offset errors TABLE 2 Only applicable for DI 722 differential channels Gain Factor Offset OV Span Voltage Span Accuracy 1 OV 40mV 19 600V 19 600V 50mV 2 OV 20mV 9 800V 9 800V 25mV 4 OV 10mV 4 800V 4 800V 12 5mV 8 OV 10mV 2 400V 2 400 6 25mV Excludes offset errors Calibration Verification 19 DI 720 DI 730 Series User Manual Offset Calibration Verification DI 730 Series only 1 Connect your voltage calibrator or combination DVM and voltage source to your DI 730 instrument as shown above Apply zero volts to the instrument or short the instrument s analog channel input to ground 2 Open the WINDAQ Lite P
5. Be de n ee De ge N ke cis ee see ee 15 RESET SWITCH Ge A ET EN EE es 15 USB PORT ed EE EE SE N Ee Ee Ee Ge ER ET Ge Ge TEE ee ee 15 4 Calibration Verification susse sesse ese sesser ee GE GE EE Se Se EE GE EG Be EA EE EE GE Ba Be Ee Ee EE Ge Ee GE Se re EE Ge GE ee ee 17 Required Equipment sites da een NE Ee Ma 17 A D Calibration For DI 720 and DI 730 Series Instruments sse sees see ee Re Re ee nn 17 D A Calibration DI 720 Instruments Only sus 17 A D Calibration Verification DI 720 and DI 730 Series Instruments iese sees ss ee Re AR ee 17 D A Calibration DI 720 Series Only suisses 18 Offset Calibration Verification DI 720 Series Only ss 19 Table of Contents ili DI 720 DI 730 Series User Manual Full Scale Span Calibration Verification DI 720 Series Only Le see Ge ee ee ee RA 19 Offset Calibration Verification DI 730 Series only ss 20 Full Scale Span Calibration Verification DI 730 Series Only uucsesssesssssessnsensnsennsnennnnnnnnn 20 5 Block BP GE ee ee ee ee Ee AA ee Ee 21 Table of Contents iv DI 720 DI 730 Series User Manual 1 Introduction Congratulations on your purchase of a DI 720 Series or DI 730 Series data acquisition instrument These instruments permit data acquisition on IBM personal computers and compatibles from either Windows or the DOS programming environments This manual describes how to connect and use all of the instruments in the DI 720 and DI 730 Series Thr
6. Series instru ments support standard bi directional and enhanced EPP printer port communication modes except for DI 720 EN models which only support bi directional and EPP modes STATUS LAMPS DI 720 and DI 730 Series instruments provide two status lamps ACTIVE In DI 7xx P instruments this indicator will glow red whenever the instrument is streaming data This includes all digital input output where applicable analog output and analog input functions e InDI 7xx EN instruments this indicator will glow red whenever data is sent back to the host computer e InDI 7xx USB instruments this indicator will glow when the USB controller is enabled POWER This indicator glows green when power is applied to the DI 720 or DI 730 Series instrument POWER INPUT JACK Allows you to apply power to the instrument Power can be applied with the included power adapter or you can use an alternate source as long as it is suitable 9 to 36VDC 3A maximum POWER SWITCH Controls power to the DI 720 or DI 730 Series instrument 1 is on 0 is off Getting Started 14 DI 720 DI 730 Series User Manual ETHERNET PORT In addition to printer port communications models DI 720 EN and DI 730 EN add Ethernet communication capabil ity with this 10base T port Note that the Ethernet communication interface cannot be used concurrently with the printer port RESET SWITCH Models DI 720 EN and DI 730 EN also add a reset switch for resetting Ethernet commun
7. an extra cost option that is not included with the purchase of a DI 720 Series instru ment Interface Characteristics Compatible computer architecture Any PC architecture Connects to computer via the parallel or printer port Supports standard bi directional or EPP parallel port communica tion modes models DI 720 EN and DI 730 EN only support bi direc tional and EPP parallel port communication modes Optional communication interfaces include Ethernet and Universal Serial Bus USB Analog Inputs Number of input channels DI 720 Series 32 single ended 16 differential software selectable per channel DI 730 Series 8 differential Converter resolution 16 bit Common mode rejection ratio DI 720 Series 80 dB minimum Av 1 DI 730 Series 20 dB minimum DC to 60Hz Accuracy 0 25 of full scale range Crosstalk 75 dB 100kHz and 100W unbalance Sample throughput rate Printer port Standard port 40 000 bi directional port 80 000 EPP 250 000 samples second max software selectable per channel USB 200 000 samples second max Ethernet 2 000 samples second max Maximum analog measurement range software selectable per channel DI 720 Series 10V full scale at a gain of 1 5V full scale at a gain of 2 2 5V full scale at a gain of 4 1 25V full scale at a gain of 8 Specifications 3 DI 720 DI 730 Series User Manual DI 730 Series Gain error Input offset voltage Input settling time Input impedance D
8. converters for outputting analog data DI 730 instruments have only one 12 bit D A converter for outputting analog data Both instruments feature a software programmable output range of 10V Both instruments feature an onboard 16 entry output counter list that allows you to write analog or digital output at the maximum conversion rate of the instrument Digital Input and Output DI 720 Series Only The DI 720 Series contains 8 each input and output lines for input output operations These lines provide an interface for the transfer of data between user memory and a peripheral device connected to the instrument Digital inputs can monitor alarms or sensors with TTL outputs while digital outputs can drive TTL inputs on control or measurement equipment Introduction 2 DI 720 DI 730 Series User Manual 2 Specifications Signal Connections Signal connections are made directly to the two 37 pin D type connectors on the front panel of DI 720 Series instruments or to the 5 way binding posts banana jacks on the front panel of DI 730 Series instruments On DI 720 Series instruments signal connections can also be made with the DI 205 which is an optional general purpose sig nal interface that provides convenient 5 way binding posts banana jacks for analog input signals and a screw ter minal strip for digital and analog output signals Refer to chapter 5 Accessories in this manual for complete DI 205 details Note that the DI 205 is
9. is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGAs control Components in which wear is not warranted include but are not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA either verbal or written OMEGA warrants only that the parts manufactured by the company will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESSED OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability o
10. source such as a car battery e 250kHz burst sampling rate e 16 bit A D converter for high resolution measurement accuracy e 256 entrv input list allows you to scan any sequence of input channels at any available gain The 256 entry input list also allows you to average 32 768 consecutive readings per channel for low noise output signals e 256 counters are assigned to the input list allowing each channel to be programmed for a different sample rate e Supports analog pre and post triggering of data acquisition based on the level and slope of a specified channel The following provides a brief overview of the major subsystems of the DI 7x0 Series Analog Input 32 single ended 16 differential analog inputs on DI 720 Series instruments or 8 differential analog inputs on DI 730 Series instruments allow your analog signals to be converted into 16 bit digital data via the onboard A D con verter The DI 720 Series features software programmable input measurement ranges of 10V full scale at a gain of 1 45V full scale at a gain of 2 2 5V full scale at a gain of 4 and 1 25V full scale at a gain of 8 The DI 730 Series features software programmable input measurement ranges of 10mV 100mV 1V 10V 100V and 1000V full scale the 1000V range is useable up to 800 VDC or peak AC Introduction 1 DI 720 DI 730 Series User Manual Analog Output On DI 720 instruments the D A subsystem features two buffered 12 bit D A
11. within the DI 7xx Series 40KHz stan dard mode throughput If however you plan to record at a much higher sample rate for example five channels at 10KHz each the standard parallel port mode will not reliably record your data gap free since this throughput rate exceeds the DI 7xx s standard mode maximum throughput 5 channels x 10KHz 50KHz which is greater than the 40KHz standard mode maximum throughput spec To reliably record data gap free at this sample rate your com puter s parallel port must be operated in something other than standard mode The only way to change your computer s parallel port operating mode if necessary is to access your computer s CMOS setup routine This usually can be accomplished by pressing a certain key or keys on your keyboard at the beginning of your computer s boot up process In some cases a message telling you which key to press is briefly dis played on your monitor at the beginning of the boot up process If you do not see such a message consult your com puter documentation for complete CMOS setup routine details Ethernet Operation DI 720 EN or DI 730 EN Only If you have the DI 720 EN or DI 730 EN and you want to use the optional Ethernet communications interface plug the appropriate end of your Ethernet communications cable into the 10base T Ethernet port labeled ETHERNET on the rear panel of the instrument Note that you must disconnect the parallel communications cable from the 25 pi
12. 4mV 9mV 9mV 0 025mV 100mV 0 0 4mV 90mV 90mV 0 25mV 1V 0 4mV 900mV 900mV 2 5mV 10V 0 10mV 9V 9V 25mV 100V 0 100mV 90V 90V 250mV 1000V 0 1V 700V 700V 2V 17 through 32 10V 0 5mV OV OV 25mV 5V 0 3mV 4 5V 4 5V 12 5mV 2 5V 0 2mV 2V 2V 6 25mV 1 25V 0 ImV 1V 1V 3 125mV Excludes offset errors These low level measurements require an environment free from electrical noise Calibration Verification 20 DI 720 DI 730 Series User Manual 5 Block Diagram ANALOG OUT 1 gt 1 PGA ADC DAC DIG DIGITAL OUT OUT PORT 16 MHz 16 ANALOG IN 1 MUX ma DIGITAL PORT N 16 PARALLEL ETHERNET USB INTERFACE INTERFACE INTERFACE PARALLEL PORT ETHERNET PORT USB PORT Block Diagram 21 DI 720 DI 730 Series User Manual Notes Block Diagram 22 MADE USA WARRANTY DISCLAIMER OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase OMEGA s WARRANTY adds an additional one 1 month grace period to the normal one 1 year product warranty to cover handling and shipping time This ensures that OMEGAs customers receive maximum coverage on each product If the unit malfunctions it must be returned to the factory for evaluation OMEGA s Customer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit
13. I 720 Series DI 730 Series Analog Outputs Number of channels DI 720 Series DI 730 Series Resolution Output voltage range Output impedance Sample rate Output offset voltage Gain error 10mV full scale 100mV full scale 1V full scale 10V full scale 100V full scale 1000V full scale 1000V range useable up to 800VDC or peak AC 1 bit max 1kHz sample rate 1 bit max 1kHz sample rate 4us to 0 01 at all gains MQ resistor tied to GND on the input channel 0 MQ Two buffered analog outputs One analog output 12 bit 1 part in 4 096 250kHz 10V full scale 10Q standard port 40 000 bi directional port 80 000 EPP 250 000 samples second max software selectable per channel 1 bit max 1kHz sample rate 1 part in 16 384 IkHz Digital Input Output DI 720 Series Only 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 Scan List Capacity 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 240 elements Specifications 4 DI 720 DI 730 Series User Manual Output Scan List Capacity 16 elements On board DSP Type Analog Devices ADSP2181 32 MIPS Clock frequency 16 MHz external 64 MHz internal Data memo
14. I 720 Series Only ss 2 PS edele IE N EE EE EE 3 Signal Connections RE EE EE RR ER EA NE EL ER EN 3 Interface Characteristics se Me me le Rn NDR A ed in EE 3 Analog Input tun A ah eat ea MO EE HARE 3 Analog Outputs ta ss iet EE OE EE EA N pn Ruinen OE bir 4 Digital Input Output DI 720 Series Only ss 4 Timing Input Output a 224 0 rar neg bi eg 4 Input Scan Bist ner en are lav EE RE EE N EE dt te Bude 4 Output Scan Bist nenne de tatin N OE nie int RS N 5 On board DSP 2 22 en HE Rn Ge AS De EG DR ee na nian ako nates 5 Physical Environmental sie esse ee iR Ghee tt Aeon acl data Resta 5 3 Getting ASAS N EE EE TN Ess ESS iE sos sSst 7 Unpacking oreore EE EE RE EE ER EE A ATA DU ENE 7 Applying Power to the DI 7x0 Series Instrument eee see se se ee Ge Ge ee ee RA Re ee 7 Connecting the DI 7xx Series Instrument to your Computer ss 8 Parallel Printer Port Operation All Instruments ss 8 Ethernet Operation DI 720 EN or DI 730 EN Only ss 9 USB Operation DI 720 USB or DI 730 USB Only ss 9 C ntrols and Indiealors ii nn Sa aed eee ae ieee iene dees 10 DI 720 Series Instrument Front Panel ss 11 DI 730 Series Instrument Front Panel ss 13 Instrument Rear Panel 2 ad in sei Leah elton ade dates 14 PRINTER PORT insistent vel ese Ee ee bk Ps be ee ogie ie os ie Se siii iaa 14 STATUS LAMPS RE ER ORE OE N NE aces etats EKEN 14 POWER INPUTJACK uta aaa 14 POWER SWITCH i am fe Ke EIS 14 ETHERNET PORT amis eb Ee Re ee boge be Show EL ee Ee
15. Republic TEL 420 0 59 6311899 FAX 420 0 59 6311114 Toll Free 0800 1 66342 e mail info omegashop cz 11 rue Jacques Cartier 78280 Guyancourt France TEL 33 0 1 61 37 2900 FAX 33 0 1 30 57 5427 Toll Free in France 0800 466 342 e mail sales omega fr Daimlerstrasse 26 D 75392 Deckenpfronn Germany TEL 49 0 7056 9398 0 FAX 49 0 7056 9398 29 Toll Free in Germany 0800 639 7678 e mail info omega de One Omega Drive River Bend Technology Centre Northbank Irlam Manchester M44 5BD United Kingdom TEL 44 0 161 777 6611 FAX 44 0 161 777 6622 Toll Free in United Kingdom 0800 488 488 e mail sales omega co uk It is the policy of OMEGA Engineering Inc to comply with all worldwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of its products to the European New Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA accepts no liability for any errors it contains and reserves the right to alter specifications without notice WARNING These products are not designed for use in and should not be used for human applications DI 720 DI 730 Series User Manual Table of Contents 1 Tn trOd A NN 1 A d a aa A tee a a daa tetes te ee ON 1 Analog Input u Rare as ei d BO ee 1 Analog Output near ae ante A Wheaties uate 2 Digital Input and Output D
16. age calibrator with enough resolution as calculated above to calibrate the instru ment at the highest desired gain D A Calibration DI 720 Instruments Only e A precision DVM with resolution of at least 1 mv A D Calibration Verification DI 720 and DI 730 Series Instruments Calibration verification of DI 720 Series instruments A D subsystem is performed on channel 1 with all other chan nels returned to analog common Calibration of DI 730 Series instrument s A D subsystem is performed on a chan nel by channel basis for the 8 wide range inputs and on channel 17 for the general purpose channels The following figures illustrate the necessary connections Calibration Verification 17 DI 720 DI 730 Series User Manual i se cH8Z O CH1 CH2 CH3 Voltage Source CH 31 Source signal ground DI 720 Series Instruments and 16 DI 730 General Pur DI 730 Series 8 Wide Range Channels pose Channels Or if you are using the alternative voltage calibrator the following figure illustrates the necessary connections Voltage CH 2 Calibrator CH 3 Voltage CH 30 Calibrator signal ground DI 720 Series Instruments and 16 DI 730 General Pur DI 730 Series 8 Wide Range Channels pose Channels D A Calibration DI 720 Series Only D A calibration involves adjusting the analog outputs to the correct full scale range using the analog data value The following figure illustrates the n
17. allel Printer Port Operation All Instruments Plug the appropriate end of the supplied parallel communications cable to the 25 pin male connector labeled PRINTER PORT on the rear panel of the DI 7xx Series instrument and connect the other end of this cable to yourcomputer s parallel printer port PRINTER PORT connector supplied cable 7xx Series instruments other parallel port communication modes allow data to pass from the instrument to your com puter at higher speeds Depending on the age of your computer and or the sophistication of your parallel port you may have as many as four parallel port communication mode options standard bi directional PS 2 enhanced paral lel port EPP and extended capabilities port mode ECP DI 7xx Series instruments support the following three par allel port operating modes Parallel Port Mode Maximum Data Throughput Standard 40 000 samples second Bi directional PS 2 80 000 samples second EPP DI 720 250 000 samples second EPP DI 730 150 000 samples second This test is done under Windows 98 Getting Started 8 DI 720 DI 730 Series User Manual The parallel port mode you use will depend on how many channels you wish to record and how fast you wish to record them If for example you are only planning to record five channels at 20 Hz each then standard mode operation will be more than adequate 5 channels x 20 Hz 100 Hz throughput which is well
18. ecessary connections Calibration Verification 18 DI 720 DI 730 Series User Manual When the above circuit is connected the calibration program can be initiated by typing DI720CAL at the DOS prompt D A calibration is accomplished by following the on screen prompts Offset Calibration Verification DI 720 Series Only 1 Connect your voltage calibrator or combination DVM and voltage source to your DI 7XX instrument as shown above Apply zero volts to the instrument or short the instrument s analog channel input to ground Open the WINDAQ Lite Pro Pro data acquisition screen Enable the channel you will use to quantify offset Since all channels are adjusted together any channel may be selected Enable a maximum burst sample rate of 50 000 Hz by selecting EDIT PREFERENCES MAX SAMPLE RATE Enable a WINDAQ sample rate of 50 Hz Set the Acquisition Mode to AVERAGE and the gain factor to 1 through WINDAQ s CHANNEL SETTINGS menu for the selected channel Referring to WINDAQ software s voltage display for the channel you re evaluating compare this value to that given in the OFFSET column of TABLE 1 for the selected gain factor Repeat steps 2 and 3 using a gain of 2 4 and 8 for the selected channel If any readings are out of the acceptable ranges described in TABLE 1 arrange to have your instrument recali brated by the manufacturer Full Scale Span Calibration Verification DI 720 Series Only 1
19. f OMEGA with respect to this order whether based on contract warranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s be used in or with any nuclear installation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product s in such a manner RETURN REQUESTS INQUIRIES Direct all warranty and repair requests inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence The purchaser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit
20. ications USB PORT In addition to printer port communications models DI 720 USB and DI 730 USB add Universal Serial Bus USB communication capability with this port Note that the USB communication interface cannot be used concurrently with the printer port Getting Started 15 DI 720 DI 730 Series User Manual Notes Getting Started 16 DI 720 DI 730 Series User Manual 4 Calibration Verification This section provides calibration verification procedures for the A D and D A subsystems of the DI 7xx unit Your instrument is calibrated before it is shipped and therefore does not need immediate calibration Should your unit not comply with the calibration guidelines presented below arrange to have the manufacturer recalibrate your instrument Required Equipment A D Calibration For DI 720 and DI 730 Series Instruments e A precision DVM with resolution as a function of the input range being calibrated minimum DVM resolution Instrument FSR x 0 1 For example suppose we have a DI 720 P and we want to calibrate the 10 volt range the DI 720 delivers 10 volts at a gain of 1 10V x 0 1 10mV So we would need a DVM with a resolution of 10V or more to calibrate the 10 volt range e A stable voltage source with a stability specification equal to or greater than the minimum DVM resolution as calculated above required to calibrate the instrument at the highest desired gain OR e An alternative is to use a volt
21. llow the onscreen prompts Depending on how Windows was originally installed on your computer you may need additional files from your Windows distribution CD ROM to complete the driver installation A dialog box will appear indicating the drivers have been found Click Next to continue With the driver installation complete continue with step 6 to install WINDAQ software Before continuing makesure the WINDAQ Resource CD ROM is in your CD ROM drive 6 J 10 11 12 13 Click the Start button on the taskbar and then click Run In the text box that appears type d setup where d specifies the drive containing the CD ROM you inserted in step 2 and press ENTER A welcome dialog box appears onscreen Choose the OK button to start the installation Follow the instructions onscreen to specify the directory where you want to install WINDAQ software We rec ommend you accept the default path but you can name this new directory anything you like Simply substitute the desired drive and directory in the Destination Directory text box Choose the OK button A dialog box is displayed asking if you would like to make backup copies of all files replaced during the installation This is offered as a safety courtesy backup copies are not required Choose the No button if you don t want to make backups Choose the Yes button to create backups If you decide to create backups you will be prompted to specify a backup file directory S
22. n male connector labeled PRINTER PORT on the rear panel of the instrument if connected in order to use the Ether net communications interface Parallel and Ethernet communications cannot be used concurrently Co my Connect Ethernet communications cable here USB Operation DI 720 USB or DI 730 USB Only If you have the DI 720 USB or DI 730 USB and you want to use the optional USB communications interface you must use Windows 98 or better 1 With your computer powered Windows running and all other applications closed plug the appropriate end of the supplied USB communications cable into the USB port labeled USB on the rear panel of the instrument Con nect the other end of this cable to your computer s USB port Sm Connect USB cable here Getting Started 9 DI 720 DI 730 Series User Manual The addition of this new hardware will be sensed by Windows and the Add New Hardware Wizard will automat ically be launched anticipating the installation of a device driver for the new hardware 2 Insert the WINDAQ Resource CD ROM into your CD ROM drive The directory on the CD ROM that contains the appropriate drivers is D USB drivers From the initial Add New Hardware Wizard screen click Next to get started then choose the search for best driver option recommended and click Next Specify the CD ROM drive that contains the WINDAQ Resource CD ROM as the search location and click Next Fo
23. n the pair assuming the positive input and the channel number For example say we have channels 2 and 10 configured as a differen Getting Started 11 DI 720 DI 730 Series User Manual tial input Channel 2 is the positive input channel 10 is the negative input and the pair is referred to as chan nel 2 differential So AWAD AV AN 9 D No D IO NS N NE AA DO CD LIPPI 2 OVS ko BONN ON DD e PA dr A YP P D D dr Dok Po d EA PPS DO D OV AK A O D A500 Ob 59 OV ON PDP VTL LITRES Channel 2 configured for differential operation The 37 pin male D connector on the right labeled EXPANSION serves a dual purpose In addition to providing access to analog input channels 17 through 32 this connector also allows you to expand increase the total analog input channel capacity of the instrument Up to 240 channels are possible with the DI 720 Series and expansion instruments Pinout is as follows This connector also includes DACI which is a second digital to analog converter that serves as a general purpose analog output R START STOP which allows you to remotely start and stop data storage to disk with a switch or TTL level signal EVNT which allows you to remotely trigger event markers with a switch or TTL level signal and two analog grounds labeled AGD Getting Started 12 DI 720 DI 730 Series User Manual DI 730 Series Instrument Front Panel gt
24. nitors IH Infrared Pyrometers PRESSURE STRAIN AND FORCE 4 Transducers amp Strain Gages L Load Cells amp Pressure Gages 4 Displacement Transducers IH Instrumentation amp Accessories FLOW LEVEL 4 Rotameters Gas Mass Flowmeters amp Flow Computers IH Air Velocity Indicators L Turbine Paddlewheel Systems LH Totalizers amp Batch Controllers pH CONDUCTIVITY L pH Electrodes Testers amp Accessories IF Benchtop Laboratory Meters 4 Controllers Calibrators Simulators amp Pumps 4 Industrial pH amp Conductivity Equipment DATA ACQUISITION A Data Acquisition amp Engineering Software IF Communications Based Acquisition Systems 4 Plug in Cards for Apple IBM amp Compatibles IH Datalogging Systems IM Recorders Printers amp Plotters HEATERS 4 Heating Cable lA Cartridge amp Strip Heaters 4 Immersion amp Band Heaters LA Flexible Heaters IH Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL IF Metering amp Control Instrumentation 4 Refractometers H Pumps amp Tubing lA Air Soil amp Water Monitors A Industrial Water amp Wastewater Treatment H pH Conductivity amp Dissolved Oxygen Instruments M3531 1004
25. oughout the majority of this manual enough similarity exists to describe all instruments with the same procedure The convention used to annotate this similarity is DI 7x0 Series this means that the procedure or information applies equally to the DI 720 P DI 720 EN DI 720 USB DI 730 P DI 730 EN or to the DI 730 USB In cases where the resemblance is not equal separate procedures descriptions exist for each instrument It is assumed that you have a general understanding of 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 Features The DI 7x0 Series provides the following features e All instruments connect to the parallel port of any desktop transportable notebook or laptop PC compatible computer Most communicate through the PC s parallel port in standard bi directional or EPP mode Models DI 720 EN and DI 730 EN only communicate in bi directional or EPP parallel port modes Models DI 720 EN DI 730 EN DI 720 USB and DI 730 USB add optional Ethernet and USB communication modes respectively e Per channel software configurable settings Single ended or differential input DI 720 Series only Input gain Sample rate Signal Averaging e Flexible power requirements All instruments operate from any standard 60Hz 120V AC wall outlet with the supplied power adapter Or power the instruments from any 9 to 36 volt DC
26. pecify a destination or group window for WINDAQ software icons Again we recommend the default path but you can specify any group window you like Enter the ID address of the box Every DI 720 USB or DI 730 USB is initially assigned an ID address of 0 If you are adding only one DI 720 USB or DI 730 USB to your system do nothing Default ID address 0 will work fine If you are installing only one DI 720 USB or DI 730 USB on your system then installation is complete If you are installing multiple devices change the Device ID and run through the installation for each device this does not install multiple versions of the software Controls and Indicators The following describes the user accessible items on the DI 720 and DI 730 Series instruments Getting Started 10 DI 720 DI 730 Series User Manual DI 720 Series Instrument Front Panel Connect 16 single ended or 8 differential inputs directly to each of these connectors l 4 N DI 720 Series So e S e LS rar EAT o E KW A LED K GEROER a 8 HS SP PD Pf SPL PISO PPS EE PLL CLOSE FL FFE ES EE N VD amp SOA SF XX XP xD NI ONO Ow NYS amp 6 PRIOR o A O X Poa Do PP RE RD HN LP PLL PARP LAD PPP AML HHL A gt o Si A U PLP PLP ES HK MMV LOLS e amp RD oY oO DOOD OA 2 DEERE SI CELL EL FFE KKH TKS I The 37 pin male D connector on the left is used to interface analog input channels 1 through 16 eigh
27. ro Pro data acquisition screen Enable the channel you want to verify Enable a maxi mum burst sample rate of 50 000 Hz by selecting EDIT PREFERENCES MAX SAMPLE RATE Enable a WINDAQ sample rate of 50 Hz Set the Acquisition Mode to AVERAGE select the 10mV range through WINDAQ s CHANNEL SETTINGS menu for the selected channel 3 Referring to WINDAQ software s voltage display for the channel you re evaluating compare this value to that given in the OFFSET column of TABLE 2 for the selected range 4 Repeat steps 2 and 3 using for each measurement range 5 Select the next channel and repeat steps 2 through 4 6 If any readings are out of the acceptable ranges described in TABLE 2 arrange to have your instrument recali brated by the manufacturer Full Scale Span Calibration Verification DI 730 Series Only 1 Referring again to TABLE 2 select the 10mV range and apply the voltage indicated by the SPAN VOLTAGE column of TABLE 2 to the selected channel 2 Verify the reading by comparing the value displayed by WINDAQ software with the value of TABLE 2 in the SPAN ACCURACY column 3 Repeat steps and 2 for all ranges 4 Repeat steps 1 through 3 for all channels 5 If any readings are out of the acceptable ranges described in TABLE 1 arrange to have your instrument recali brated by the manufacturer TABLE 2 Channel Group Range Offset 0V Span Voltage Span Accuracy 1 through 8 10mV 0 0 0
28. ry 8k words Program memory 8k words Physical Environmental Box dimensions 7 29 W by 9 L by 1 52 H T O connector DI 720 Series 37 pin male D type DI 730 Series Banana jacks Weight 3 Ibs Operating environment Component temperature 0 to 70 C Relative humidity 0 to 90 non condensing Storage environment Temperature 55 to 150 C Relative humidity 0 to 90 non condensing Specifications 5 DI 720 DI 730 Series User Manual Notes Specifications 6 DI 720 DI 730 Series User Manual 3 Getting Started Unpacking The following items are included with each DI 7x0 Series instrument Verify that you have the following DI 7x0 Series instrument 1 e DI 720 P DI 720 EN DI 720 USB DI 730 P DI 730 EN or DI 730 USB Communications cable designed to connect the DI 7x0 Series instrument to your computer s parallel or printer port If you ordered a DI 720 USB or DI 730 USB you will have a second cable designed to connect the instru ment to your computer s USB port CD ROM The Software Resource DI 720 Series DI 730 Series User s Manual which you are currently reading WINDAQ Software in one of two forms If you ordered WINDAQ Pro or WINDAQ Pro recording software with your DI 7xx Series instrument an extracost option there will be a sticker with a password on the sleeve of your CD ROM This password will give you access to that software If you did not order WINDAQ Pro or WINDAQ Pro recording
29. software the WINDAQ Lite recording software will be available to you without a password If an item is missing or damaged call the manufacturer They will guide you through the appropriate steps for replac ing missing or damaged items Save the original packing material in the unlikely event that your unit must for any reason be sent back to the manufacturer Applying Power to the DI 7x0 Series Instrument Use the following procedure to apply power to your DI 7x0 Series instrument 1 Plug the five pin DIN end of the power adapter cable into the five pin jack labeled POWER on the rear panel of the instrument Power adapter cable POWER jack Getting Started 7 DI 720 DI 730 Series User Manual 2 Plug one end of the supplied power cord into the power adapter and the other end into any standard 120VAC 60Hz single phase outlet power cord power adapter If an alternate power source is to be used refer to the following pin out diagram for power requirements 9 to gt c 36 V CD ni Connecting the DI 7xx Series Instrument to your Computer All DI 7xx Series instruments use your computer s parallel or printer port to interface digital and analog signals to your computer Optionally DI 7xx Series instruments with Ethernet or USB communication ports can also be used to interface digital and analog signals to your computer although not concurrently with the printer port 3 Turn the POWER switch on Par
30. t digital inputs and eight digital outputs to the DI 720 Series instrument The analog inputs are labeled CH1 IN through CH16 IN the digital inputs are labeled DIO through DI7 and the digital outputs are labeled DOO through DO7 Other items include DAC2 which is a digital to analog converter that serves as a general purpose analog output accessible through WINDAQ and SDK software and two analog grounds labeled AGD On DI 720 Series instruments with the Ethernet communications option models DI 720 EN digital outputs are not available DI 720 Series instruments can accept 32 high level or preconditioned analog inputs in single ended configuration or 16 high level or preconditioned analog inputs in differential configuration High level inputs are typically low imped ance no conditioning required signals in the range of 1 25 to 10 volts full scale Single ended inputs are config ured by connecting one signal lead to the desired channel and the other signal lead to analog ground AGD 8 Q So ep NO NI ND xD AV RS Do FPF FPF PKK S D D AN x DARKO NO XU ND D 9 O ok Ni AE O Signal Leads LD PPD DML ASA o Q FX A AD SO SO ED N DEEL EEEELE ESE EES ES Channel 1 configured for single ended operation Differential inputs occupy two channels i e these channel pairs constitute a differential input 1 and 9 2 and 10 3 and 11 4 and 12 5 and 13 6 and 14 7 and 15 8 and 16 etc with the lowest numbered channel i

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