DI-725/E User`s Manual
Contents
1. Glows red when the DI 725 cannot derive adequate power from its host instrument In this case an alternate power source is required If the POWER LOW lamp comes on and you are using the DI 725 with a DI 720 or DI 730 the power supply that is powering these host instruments can be used to power the DI 725 as well Simply unplug the five pin DIN end of the power adapter cable that is currently supplying power to your DI 720 or DI 730 and plug it into one of the DI 725 s power input jacks Now plug one end of the supplied dual ended power cable into the remaining power jack on the DI 725 and plug the other end into the host instrument power input jack EXPANSION OUT connector Used to connect multiple DI 725 s together Connect one end of an expansion cable to this connector and connect the other end of the cable to EXPANSION IN on the next DI 725 EXPANSION IN connector Connects the DI 725 to its host DI 400 DI 720 or DI 730 instrument In General A DI 725 E User Manual DI 725 amp E SS TEENS NIE SEITEN DE TEN SID N XS ANO ANO NP UNS JN SITES DESEOS EAU Xv a oe ee ee oo e o ono go o o oq EFSF FILS NV 9 664 9 9 ONVWOV GON OL n79 n001009 y x 9 dte e Paro CES Goo o o og o OO Oe ESCASOS ZU DATAQ INSTRUMENTS Ze PTT OOS PEGI e etos DI 725 Front Panel EXPANSION OUT is used to connect several DI 725 s together A total of 240 channels may be2. gt DATAQ INSTRUMENTS The way PC based instrumentation should be DI 725 E Analog Channel Expander User s Manual Manual Revision E Software Release Level 1 Copyright 2009 by DATAQ Instruments Inc The Information contained herein is the exclusive property of DATAQ Instruments Inc except as otherwise indicated and shall not be reproduced transmitted transcribed stored in a retrieval system or translated into any human or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without expressed written authorization from the com pany The distribution of this material outside the company may occur only as authorized by the company in writing DATAQ Instruments hardware and software products are not designed to be used in the diagnosis and treatment of humans nor are they to be used as critical components in any life support systems whose failure to perform can rea sonably be expected to cause significant injury to humans DATAQ INSTRUMENTS 241 Springside Drive Akron Ohio 44333 USA www dataq com Telephone 330 668 1444 Fax 330 666 5434 Designed and manufactured in the United States of America Warranty and Service Policy Product Warranty DATAQ Instruments Inc warrants that this 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 DATAQ Instrum
3. is added When a Single DI 725 is Used Channels I1111111112222222222333 123458789012 3456789012345678901 2 DI 720 AIA A These 30 channels are D still available on These 2 channels are the host DI 720 consumed by the DI 725 D therefore unavailable These are the E 32 DI 725 expansion F channels enable them G on this row Click to select check or deselect Double click to select differential Click right to select digital input I MUX letters occupy the expansion inputs OK Cancel The following grid is typical of two DI 725 s used with a DI 720 Note the pattern Each DI 725 consumes the two highest numbered channels on the host DI 720 and the expansion channels are enabled on the next MUX row down The result is similar when more DI 725 s are added to the system When Two DI 725 s are Used Channel Selection ix Channels I1111111112222222222333 12345678901234567890123456789012 DI 720 BIBIAIA X A These 28 channels are xh still available on the host DI 720 i These 4 channels are consumed by D the DI 725 s therefore unavailable These are the E These are the next 32 expansion 32 expansion channels on the second DI 725 the channels on the F one not directly connected to the DI first DI 725 720 Enable them on this row the one directly G connected to Click to select check or deselect the DI 720 Double click to select differential Enable them on Click right
4. the power input jacks In General 3 DI 725 E User Manual Features Controls and Indicators DI 725 Front Panel The two 37 pin male D connectors are used to connect your analog input signals to the DI 725 It can accept 32 high level or preconditioned analog inputs in a differential configuration one positive and one negative signal lead per channel High level inputs are typically low impedance no conditioning required signals in the range of 1 25 to 10 volts full scale DI 725 Rear Panel POWER switch Controls power to the DI 725 instrument 1 is on O is off POWER input jacks Allows you to apply an alternate power source to the instrument if necessary The DI 725 is powered by its host DI 400 DI 720 or DI 730 instrument and in most cases will not need an additional power sup ply However many factors can influence how much power is available to the DI 725 from its host instrument When the DI 725 cannot derive adequate power from its host instrument the POWER LOW indicator will glow red This indicates that an alternate power source is necessary Any suitable power source 9 to 36 volts DC at 3A maxi mum may be connected to either jack to provide the necessary power When an alternate power source is connected the remaining jack can be used as an additional power outlet POWER status lamp Glows green when the POWER switch is in the 1 position indicating power is applied POWER LOW lamp
5. to select digital input I MUX letters occupy the expansion inputs this row OK Cancel In General 8 DI 725 E User Manual DI 730 Host Instruments The following channel selection grid is typical when a single DI 725 is used with a DI 730 Note that the DI 730 channels are enabled on the top row of the grid and the DI 725 channels are enabled on the row labeled MUX A The shaded area on the top row of the grid shows the channels that are still available on the host DI 730 instrument when the DI 725 is added When a Single DI 725 is Used Channel Selection Lx Channels l X 11 1 1 11 1124 2 2 2 22 2 2 22 303 3 1294568078995 0172545597 8090172 245 96 018029210 1723 DI 730 AIA X A These 8 channels are B still available on These 2 channels are the host DI 730 consumed by the DI 725 D These are the E 32 DI 725 expansion F channels enable them on this row Click to select check or deselect Double click to select differential Click right to select digital input I MUX letters occupy the expansion inputs OK Cancel The following grid is typical of two DI 725 s used with a DI 730 Note the pattern Each DI 725 consumes the two highest numbered channels on the host DI 730 and the expansion channels are enabled on the next MUX row down The result is similar when more DI 725 s are added to the system When Two DI 725 s are Used Channels l ll 1111112122222 2222225
6. 3 12 x 45 amp 7599 012 3459 171809 01232345989 710321012 DI 730 BIBJAIA X A These 8 channels are B still available on the host DI 730 These 4 channels are consumed by D the DI 725 s These are the E These are the next 32 expansion 32 expansion channels on the second DI 725 the channels on the F one not directly connected to the DI first DI 725 730 Enable them on this row the one directly G connected to Click to select check or deselect the DI 730 Double click to select differential Enable them on Click right to select digital input I MUX letters occupy the expansion inputs this row OK Cancel In General 9 F DATAQ INSTRUMENTS DATAQ Instruments Inc 241 Springside Drive Akron Ohio 44333 Telephone 330 668 1444 Fax 330 666 5434 E mail support datag com Direct Product Links click on text to jump to page Data Acquisition Data Logger Chart Recorder Thermocouple Oscilloscope
7. Cancel The following grid is typical of two DI 725 s used with a DI 400 Note the pattern Each DI 725 consumes the two highest numbered channels on the host DI 400 and the expansion channels are enabled on the next MUX row down The result is similar when more DI 725 s are added to the system When Two DI 725 s are Used Channel Selection Ea Channels 1 1 111111112 2222222225353 12345678901234567890123456 7890712 DI 400 BIB A A X A These 12 channels are Be still available on the host DI 400 These 4 channels are consumed by D the DI 725 s therefore unavailable These are the E These are the next 32 expansion 32 expansion channels on the second DI 725 the channels on F one not directly connected to the DI the first DI 400 Enable them on this row 725 the one e directly Click to select check or deselect connected to Double click to select differential the DI 400 Click right to select digital input 1 Enable ihi m MUX letters occupy the expansion inputs on this row OK Cancel In General 7 DI 725 E User Manual DI 720 Host Instruments The following channel selection grid is typical when a single DI 725 is used with a DI 720 Note that the DI 720 channels are enabled on the top row of the grid and the DI 725 channels are enabled on the row labeled MUX A The shaded area on the top row shows the channels that are still available on the host DI 720 instrument when the DI 725
8. Q software Each box in this grid potentially represents an input channel An input channel is enabled by clicking the desired box Which box you click which mouse button you click with and how many times you click the mouse button deter mines whether the input channel is enabled for single ended operation differential operation or digital input opera tion The following pages show how to enable channels when using the DI 725 with a DI 400 DI 720 and DI 730 host instrument In General 6 DI 725 E User Manual DI 400 Host Instruments The following channel selection grid is typical when a single DI 725 is used with a DI 400 Note that the DI 400 channels are enabled on the top row of the grid and the DI 725 channels are enabled on the row labeled MUX A The shaded area on the top row shows the channels that are still available on the host DI 400 instrument when the DI 725 is added When a Single DI 725 is Used Channel Selection x Channels I 1111111112272 2222322353853 12345678 930142345 6789390122345 6783939012 DI 400 AIA X A These 14 channels are B still available on the host DI 400 These 2 channels are consumed by D the DI 725 therefore unavailable These are the E 32 DI 725 expansion F channels enable them 8 on this row Click to select check or deselect Double click to select differential Click right to select digital input 1 MUX letters occupy the expansion inputs OK
9. configured using multiple DI 725 s Simply connect one end of the cable here and the other f end of the cable to EXPANSION IN on the next DI 725 Pin 1 S 9 to EXPANSION OUT A de Commen oooo000000 000000000 F 3A MAX o o o Oo O O O O o o o O O O O O O O O 0 0 O 00000000 0 E O O O O O O O O O O O O O O O O O O O 0 O O EXPANSION IN POWER POWER l DI 725 Rear Panel Connect the appropriate end of the expansion cable to the host DI 400 DI 720 or DI 730 instrument then connect the other end of the cable to EXPANSION IN EXPANSION IN and EXPANSION OUT connector pin out 5V 1 loo 2 RESERVED RESERVED 3 0 0 4 RESERVED RESERVED 5 0 0 6 RESERVED PWRGND 7 901 8 RESERVED RESERVED 9 oo 10 RESERVED CH16 11 o o 12 CH15 CH14 13 o o 14 CH13 CH12 15 o o 16 CH11 CH10 17 o o 18 CH9 AGND 19 o o 20 RESERVED RESERVED 21 o o 22 RESERVED RESERVED 23 o o 24 RESERVED RESERVED 25 o o 26 RESERVED RESERVED 27 o o 28 AGND RESERVED 29 o o 30 CH8 CH7 31 o o 32 CH6 CH5 33 o o 34 CH4 CH3 35 o o 36 CH2 CH1 37 o o 38 RESERVED RESERVED 39 o o 40 RESERVED In General 5 DI 725 E User Manual Configuring Channels with the DI 725 In WINDAQ Pro or WINDAQ Pro data acquisition software channels are enabled or configured for acquisition with the channel selection grid The channel selection grid is accessed by selecting Channels from the Edit menu in the SET UP operating mode of WINDA
10. cs iii ig eei uere eR died 1 Dynamic Cha racteristiCs oin tne ee Pto state e 1 Stability 52e e ne dre utes te utei etes er ON UTER d BAR SATUS abe ER LT Reds 1 IN NANA 1 Environment ula lala 1 D1 725 Gener all ii a ein decada casada 3 Connecting the DI 725 to the Host Instrument essere nennen ennt nnne 3 Features Controls and Indicators eee eene eene nen enne nnne eene e nen nn ancianos 4 DI 725 Front Panel n ar e e er EE EATER M ERR TREE RES 4 DIS 725 Reat Panel 233 5 82288 eR RID 4 Configuring Channels with the DI 725 serieei eaei e eene eren enne ener nnne 6 121 400 Hosts Erin eee tree e ete testes het e ri ve 7 D1 720 Host Instruments o A A AS 8 DI 730 Host Instruments an ise ENE NEE SES 9 Table of Contents V DI 725 E User Manual specifications Analog Inputs Number of channels Input signal ranges Gain software selectable o hn Input Coupling Maximum working voltage signal and common mode Overvoltage protection Inputs protected Transfer Characteristics Nonlinearity Offset error Gain error Amplifier Characteristics Input impedance Normal powered on Overload or powered off CMRR CMRR input range Dynamic Characteristics Settling time Crosstalk Stability Recommended warm up time Offset temperature coefficient Physical Dimensions I O Connectors Environment Operating temperature Storage temperature Relative humidity 32 differential Measu
11. ents obligations under this warranty shall not arise until the defective material is shipped freight prepaid to DATAQ Instruments The only responsibility of DATAQ 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 DATAQ Instru ments employees or products that have been subjected to misuse neglect improper installation or accident DATAQ Instruments shall have no liability for incidental or consequential 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 pre paid basis 2 DATAQ Instruments will repair or replace any defective product within 5 days of its receipt 3 Forin warranty repairs DATAQ Instruments will return repaired items to the buyer freight prepaid Out of war ranty repairs will be returned with freight prepaid and added to the service invoice DI 725 E User Manual Table of Contents Warranty and Service Policy ssc cccdscscicdvesccostessoncsess iii N 17579 ELE aLI EEEE AEEA m 1 Analog nputs A ans EOD CA EQ T SEENELE T anes ie em ege E as 1 Transfer Characteristics 5 5 o terree cre Pee tetra adan terio redes ede teret eee Pe Ero ven eese Ee 1 Amplifier Characteristi
12. off In return for the 32 expansion channels it provides each DI 725 consumes two channels from its host instrument When a single DI 725 is connected to a DI 400 the combination provides 46 total channels 14 channels are still available on the host DI 400 When connected to a DI 720 the combination delivers 62 total channels 30 are still available on the host DI 720 When connected to a DI 730 the DI 725 adds 32 high level differential inputs to the host s 8 wide measurement range inputs for a diverse blend of 40 total channels A maximum of 240 channels may be configured using multiple DI 725s Connecting the DI 725 to the Host Instrument NOTE The included expansion signal cable and dual ended power cable are sized to fit when the DI 725 is stacked on top of or below the host DI 720 or DI 730 instrument If you are using these instruments and they are not in a stacked configuration do so before proceeding 1 Connect the appropriate end of the included expansion signal cable to the host instrument If you have this instrument Then connect the expansion cable to DI 400 The DI 400 s 37 pin D connector DI 720 EXPANSION on the rear panel of the DI 720 DI 730 EXPANSION on the rear panel of the DI 730 2 Connect the other end of the expansion cable to EXPANSION IN on the rear panel of the DI 725 Power for the DI 725 is obtained from the host instrument through this cable Power for the DI 725E must be supplied via
13. rement range DI 725 DI 725E 10V 20V 5V 10V 2 5V 5V 1 25V 2 5V Each input should remain within 10V of chassis ground For the DI 725 30V powered on and off For the DI 725E 120V powered on and off Channels 1 32 0 01 FSR lmV 5mV gain 0 05 FSR gt IMQ 1kO 80dB 10V 8ms 0 01 72dB 100kHz amp 100W unbalance 15 minutes 2 50 gain mV C 9 x 7 29 x 1 52 inches 37 pin male D front 40 pin ribbon cable back 0 to 50 C 20 to 70 C 5 to 90 noncondensing Specifications 1 DI 725 E User Manual DI 725 General The DI 725 is a 32 channel analog expansion device for DI 400 DI 720 and DI 730 instruments The DI 725 fea tures 32 differential analog inputs The DI 725 is powered by the host DI 400 DI 720 or DI 730 instrument and in most cases will not need an additional power supply However when several DI 725s are linked together an addi tional power source may be required indicated by a glowing POWER LOW lamp The DI 725E requires an addi tional power source connected via the power input jacks located on the rear panel of the instrument Input signal ranges are as follows Gain Measurement Range Measurement Range Software Selectable DI 725 DI 725E 1 10V 20V 2 5V 10V 4 2 5V 5V 8 1 25V 2 5V For the DI 725 overvoltage protection is 30V powered on and off For the DI 725E overvoltage protection is 120V powered on and
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