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DaqTemp Users Manual - Measurement Computing

1. n qiz sos WMI OG YSSPSSGOOSROEYOEG S T QYLOSVS OS SVOgeG S DaqTemp14A and DaqTemp14 Internal Layout Thermocouple wire is standardized color coded and polarized as noted in the following table Note that the DaqTemp T C input connections are labeled H for Channel High and L for Channel Low Thermocouple Standards Channel High Channel Low Wht DaqTemp User s Manual 09 03 02 Making Signal Connections 3 1 3 2 For isothermal performance an exposed grounded copper plane surrounds the input connectors It is important that non insulated input wires do not contact the grounded plane since such contact can degrade measurement integrity It should be noted that thermocouples output very small voltages and that long thermocouple leads can pickup a large amount of noise However the DaqTemp modules inherently provide a high level of noise immunity via their 4 Hz signal bandwidth and input filtering If desired further noise reduction can be achieved through the use of shielded thermocouples and or averaging Tr You can minimize the effect of noise by 1 using shielded thermocouples 2 averaging readings or 3 employing both of these practices To accommodate shielding grounded connections labeled SHIELD are provided A typical use of the connection would be the attachment of the shield to a shielded thermocouple If a thermocouple shield is connec
2. Chapter 7 Specifications Includes specifications for the four types of DaqTemps currently in production DaqTemp7 DaqTemp7A DaqTemp 14 and DaqTemp14A Glossary Reference Note Page iv discusses additional documents that are of importance to DaqTemp Users DaqTemp Series User s Manual 10 14 02 v vi 10 14 02 DaqTemp Series User s Manual Table of Contents 1 Overview and Theory of Operation Features and General Information 1 1 Scanning 1 5 Triggering 1 6 Theory of Operation 1 7 2 How to Install DaqTemp Step 1 Install Software 2 2 Step 2 Install the DaqTemp PCI Board 2 2 Step 3 Configure the DaqTemp PCI Board 2 4 Step 4 Test the DaqTemp PCI Board 2 5 Step 5 Connect the DaqTemp Module to its PCI Board 2 6 3 Making Signal Connections 4 Software for DaqTemp Applications 5 CE Compliance Overview 5 1 CE Standards and Directives 5 1 Safety Conditions 5 2 Emissions Immunity Conditions 5 2 CE Cable Kit for DaqTemp 5 3 6 Calibration 7 Specifications Glossary DaqTemp Series User s Manual 10 14 02 vii viii 10 14 02 DaqTemp Series User s Manual Overview and Theory of Operation 1 Features and General Information 1 1 Scanning 1 5 Triggering 1 6 Theory of Operation 1 7 Features and General Information DaqTemps are reli
3. CD 6 2 Calibration 10 14 02 DaqTemp User s Manual Specifications 7 There are currently four different models of DaqTemp as indicated by the following table Each DaqTemp includes a signal connection module a 3 foot cable a DaqTemp PCI plug in board DaqView software and drivers for DASYLab Counter Frequency Digital 1 0 DaqTemp7 24 7 La 7 DaqTempi4 14 7 4 TT General Supply Voltage Range 4 75 VDC to 5 25 VDC from PCI Bus Power Consumption 5 5 W Operating T emperature 0 to 60 C Storage Temperature 40 to 80 C Relative H umidity 0 to 95 non condensing Vibration MIL STD 810E PCI Board Dimensions 165 mm W x 15 mm D x 108 mm H 6 5 x 0 6 x 4 2 Signal C onnection M odule Dimensions 86 mmW x 240 mm D x 42 mm H 3 4 x 9 44 x 1 65 A D Specifications Type Successive approximation Resolution 16 bit Conversion Time 5 us M aximum Sample Rate 200 kHz Nonlinearity Integral 1 LSB Nonlinearity Differential No missing codes Voltage Inputs Channels 7 differential inputs programmable on a per channel basis for unipolar or bipolar Bandwidth 500 kHz Settling Time 5 us to 1 LSB for full scale step Temperature C oefficient 10ppm 0 3 LSB C Input Impedance 20M Ohm differential Bias Current lt 1nA 0 to 35 C Voltage Accuracy One Year 0 to 35 C reading range Absolute Transfer r
4. Carefully remove the DaqTemp PCI board from its anti static protective bag If you have not already done so write down the serial number of your board Space has been provided on page 2 1 for recording the serial number 2 2 How to Install DaqTemp 10 14 02 DaqTemp User s Manual 5 On the PC s rear panel loosen and remove the screw for the blank adapter plate that corresponds with the chosen PCI bus See the following figure 6 Remove Blank Adapter Plate PCI Slots F 5 Remove Screw PC Rear Panel Removing a Blank Adapter Plate from the Host Computer s Rear Panel Steps 5 and 6 6 Remove the adapter plate Refer to your PC Owner s Manual if needed 7 Align groove in the DaqTemp PCI board s edge connector with the ridge of the desired PCI slot and with the corresponding rear panel slot on the PC See following figure 7 Align Groove in Edge Connector with Ridge on PCI Slot 9 Replace Screw 8 Push Board Firmly into PCI Slot Installing a DaqTemp PCI Board Steps 7 8 and 9 8 Push the board firmly into the PCI slot The board will snap into position 9 Secure the board by inserting the rear panel adapter plate screw 10 Replace the computer s side cover and plug in all cords and cables that were removed in step 1 of this procedure 11 Apply power to and start up the PC Note At this point some PCs may prompt you to insert an installation disk While this is rare if you
5. and results in low source impedance output effectively an impedance buffer An amplifier used primarily to match two different impedance points and isolate one stage from a succeeding stage in order to prevent an undesirable interaction between the two stages Also see Buffer In reference to Daq devices channel simply refers to a single input or output entity In a broader sense an input channel is a signal path between the transducer at the point of measurement and the data acquisition system A channel can go through various stages buffers multiplexers or signal conditioning amplifiers and filters Input channels are periodically sampled for readings An output channel from a device can be digital or analog Outputs can vary in a programmed way in response to an input channel signal Common mode pertains to signals that are identical in amplitude and duration also can be used in reference to signal components Common mode voltage refers to a voltage magnitude referenced to a common point that is shared by two or more signals Example referenced to common Signal 1 is 5 VDC and Signal 2 is 6 VDC The common mode voltage for the two signals is 5 5 VDC 5 6 2 An undesired transfer of signals between systems or system components Crosstalk causes signal interference more commonly referred to as noise A digital signal is one of discrete value in contrast to a varying signal Combinations of binary digits Os a
6. do receive such a prompt simply place the install CD ROM into the disk drive and follow additional screen prompts DaqTemp User s Manual 10 14 02 How to Install DaqTemp 2 3 Step 3 Configure the DaqTemp PCI Board DaqTemp PCI boards have no jumpers or switches to set Configuration is performed in its entirety through software Refer to the following figure and steps to complete the configuration 1 Run the Daq Configuration control panel applet Navigation Addiess aa Contei Pane from the desktop to the applet is as follows Add New Hardw Start Settings Control Panel gt Daq Configuration 2 any Seen a double click Daq Configuration 5 Corel Versions Daq Driver 4 Configuration Utility am Daq Configuration 2 Double click on the Device Inventory s DaqTemp icon The xl DaqTemp Properties tab will appear peee vonon Computer 1 DagBoad2K0 If the DaqTemp icon is not present skip to the following section Using Add Device Properties Add Device Close 4 Daq Configuration DagTemp Properties Test Hardware m Device Settings Device Name Dear emp0 DaqBoard 2000 Device Type 4 DagT emp Series Hardware Bus 2 Slot 9 S N 171972 Model 2000 PCI The serial number is shown for reference only When you have multiple boards a device name is matched to a particular board by physical slot not by serial number
7. for Digital I O e 4 Counter Inputs 2 Timer Outputs e 2 Analog Outputs for DaqTemp7A e 4 Analog Outputs for DaqTemp14A e 7 Thermocouple Inputs for DaqTemp7A and DaqTemp7 e 14 Thermocouple Inputs for DagTemp14A and DaqTemp14 The PCI board s scan sequencer lets you select up to 512 channel range combinations The sequencer scans all channels of the scan at Sus per channel or 10 us per channel Bus mastering allows analog and digital counter input data as well as analog and digital output data to flow between the PC and the DaqTemp without consuming CPU time DaqT emps support a full complement of trigger modes including e Hardware analog triggering A user programmed trigger level sets an analog DAC which is compared in hardware to the analog input level on the selected channel Trigger latency is lt 5 us e Digital and pattern triggering The boards have separate digital trigger input line allowing TTL level triggering and latencies less than 5 us The trigger can be programmed for logic level or edge triggering In pattern triggering any of the digital input ports acts as the trigger port You can program the digital pattern e Software based triggering The PC detects the trigger event from readings either analog digital or counter Six pre and post triggering modes are supported Additional features e 24TTL level digital I O lines They are divided into three 8 bit ports e Four 16 bit counters Each can a
8. other chapters or other documentation Tips provide advice that may save time during a procedure or help to clarify an issue Tips may include additional reference Specifications and Calibration Specifications are subject to change without notice Significant changes will be addressed in an addendum or revision to the manual As applicable the hardware is calibrated to published specifications Periodic hardware calibration is not covered under the warranty and must be performed by qualified personnel as specified in this manual Improper calibration procedures may void the warranty Your order was carefully inspected prior to shipment When you receive your system carefully unpack all items from the shipping carton and check for physical signs of damage that may have occurred during shipment Promptly report any damage to the shipping agent and your sales representative Retain all shipping materials in case the unit needs returned to the factory CAUTION Using this equipment in ways other than described in this manual may cause personal injury or equipment damage Before setting up and using your equipment you should read all documentation that covers your system Pay special attention to Warnings and Cautions Note During software installation Adobe PDF versions of user manuals will automatically install onto your hard drive as a part of product support The default location is in the Programs group which can be accessed from
9. standards include specifications for safety EMI emissions and immunity from electromagnetic interference Products that are intended for placement in the European Union must meet or exceed the standards and bear the CE mark Although not required in the USA meeting or exceeding the CE standards is considered good engineering practice since doing so enhances safety while reducing noise and ESD problems In contracted and in house testing most Daq products met the required specifications In many cases products that were not originally in compliance were redesigned accordingly In noted instances alternate product versions shield plates edge guards special connectors or add on kits are required to meet CE compliance CE Standards and Directives The electromagnetic compatibility EMC directives specify two basic requirements 1 The device must not interfere with radio or telecommunications 2 The device must be immune from electromagnetic interference from RF transmitters etc The standards are published in the Official Journal of European Union under direction of CENELEC European Committee for Electrotechnical Standardization The specific standards relevant to Daq equipment are listed on the product s Declaration of Conformity and include CISPR22 1985 EN55022 1988 Information Technology Equipment Class A for commercial industrial use and EN50082 1 1992 for various categories of EMI immunity The safety standard tha
10. the Windows Desktop Initial navigation is as follows Start Desktop Start pull down menu Programs gt IOtech DaqX Software You can also access the PDF documents directly from the data acquisition CD by using the lt View PDFs gt button located on the opening screen Refer to the PDF documentation for details regarding both hardware and software A copy of the Adobe Acrobat Reader is included on your CD The Reader provides a means of reading and printing the PDF documents Note that hardcopy versions of the manuals can be ordered from the factory DaqTemp Users Manual pdf Contains instructions for installing software and hardware pertaining to DaqTemp systems as well as links to the pdf files listed below PDF 1108 0901 DaqView_XL_DaqTemp pdf Discusses how to install and use DagView and DaqViewXL out of the box data PDF acquisition programs with a DaqTemp System 1108 0902 This pdf consists of two documents The first discusses eZ PostView a post data acquisition analysis program The application is included free as a part of DaqTemp dS PostAcquisition Analysis pdf Pe 6 product support The second includes information regarding eZ Frequency View and 1086 0922 eZ TimeView These two applications have more features than does eZ PostView and are available for purchase They can however be used freely during a 30 day trial period 10 14 02 Manual Layout Chapter 1 Overview and Theory
11. 535 programmable High L evel Output Voltage 2 0V min 3 75 mA 3 0V min 2 5 mA L ow L evel Output Voltage 0 4V max 2 5 mA 7 4 Specifications 09 04 02 DaqTemp User s Manual Software The following software is included with DaqTemp DaqView and drivers for DASYLab An optional software application DaqView XL provides a direct link from DaqView to Excel spreadsheets Ordering Information All DaqTemp systems include a PCI measurement board a 3 foot long 100 conductor ribbon cable a signal connection module and software see below All relevant documentation is included in PDF format on the CD ROM that is supplied with the system All DaqTemp models include the following I O 7 differential voltage inputs 24 digital I O 4 counter inputs 2 timer outputs In addition to the above listed I O specific DaqTemp models provide the connections for the following DaqT emp7 7 differential thermocouple inputs DaqT emp7A 7 differential thermocouple inputs and 2 analog outputs DaqT emp14 14 differential thermocouple inputs DaqT emp14A 14 differential thermocouple inputs and 4 analog outputs CE Cable Kit p n CA 209 This kit includes CE ORB CA 195CE 100 conductor ribbon cable with copper bands cable clamps grounding pigtail associated screws instruction sheet See chapter 5 of this manual CE Compliance for additional information regarding the CA 209 CE Cable Kit DaqTemp User s Manual 09 04 02 Spec
12. Cancel Configuring DaqTemp via the Properties Tab 3 Enter a Device Name in the text box or use the default DaqTemp Device Name is for identifying the DaqTemp board However the Device Name actually refers to the PCI slot and not to the board 4 Verify that the Device Type is a DaqTemp PCI board for example DaqBoard 2000 as indicated in the above figure Available device types can be viewed via the pull down list V 5 Confirm that the DaqTemp text box shows a Bus Slot and Serial Number Zf this text box is empty use its pull down list W and select the serial number that matches the one for your board In the above figure we see that the Bus number is 2 the Slot number is 9 and the Serial Number S N is 171972 2 4 How to Install DaqTemp 10 21 02 DaqTemp User s Manual Using Add Device This method is for users who have accessed the Daq Configuration control panel applet but have no DaqTemp icon Select Device Type A After accessing the Daq Configuration control Dewa Tjee panel applet click on the Add Device button see arem B figure right The Select Device Type window will DagBoardi2004 appear DaqBoard 2005 DagTemp 7 B Using the Device Type s pull down list select the applicable board In the example at the right DaqTemp7 is selected C Click the OK button The DaqTemp Properties tab OK Cancel will appear At this point complete s
13. Cs designated as DACO DAC1 DAC2 and DAC3 The DAC channel connections are represented in the above left hand figure Note that the same Digital and Analog I O Terminal Block Card is used in all DaqTemp models regardless of the unit s features Because of this the following should be realized e DAC2 and DAC3 do not apply to DaqgTemp7A However the Digital and Analog I O Terminal Block Card includes connection labels for DAC2 and DAC3 e Analog Outputs do not apply to DaqTemp7 or to DaqTemp14 However the Digital and Analog I O Terminal Block Card includes connection labels for DACO DAC1 DAC2 and DAC3 DaqTemp User s Manual 09 06 02 Overview amp Theory of Operation 1 3 24 Bit General Purpose Digital I O Channels Ao A7 BO B7 and CO C7 All DaqTemps have 24 bit general purpose digital I O that can be used to directly control and monitor 24 digital I O lines The 24 bit digital I O is divided into three 8 bit ports which are labeled AO A7 BO B7 and C0 C7 Each port can be programmed as an 8 bit group for either input or output WOOP POQeG SS O Z O 4 7 2 2 D 2 Z Ta 2 SIN oT S S Digital I O Section of DaqTemp Digital and Analog I O Card Frequency Counter Inputs CNTO CNT1 CNT2 and CNT3 Each DaqTemp has four frequency counter inputs that can be used for counting pulses A 16 bit counter capable of counting up to 65 536 TTL level transitions resides behind each counter input
14. DaqTemp Series User s Manual PCI Based Data Acquisition Systems for Desktop and Tower PCs DaqTemp7 DaqTemp7A DaqTemp14 DaqTemp14A IOtech DaqTemp Series PCI Based Data Acquisition Systems for Desktop and Tower PCs p n 1 108 0901 Rev 1 1 Measurement Computing 10 Commerce Way Norton MA 02766 508 946 5100 Fax 508 946 9500 info mccdag com www mccdaq com 324534A 01 DaqTemp User s Manual Warranty Information Contact Measurement Computing by phone fax or e mail in regard to warranty related issues Phone 508 946 5100 fax 508 946 9500 e mail info mecdaq com Limitation of Liability Measurement Computing cannot be held liable for any damages resulting from the use or misuse of this product Copyright Trademark and Licensing Notice All Measurement Computing documentation software and hardware are copyright with all rights reserved No part of this product may be copied reproduced or transmitted by any mechanical photographic electronic or other method without Measurement Computing s prior written consent IOtech product names are trademarked other product names as applicable are trademarks of their respective holders All supplied IOtech software including miscellaneous support files drivers and sample programs may only be used on one installation You may make archival backup copies CE Notice Many Measurement Computing products carry the CE marker indicating they co
15. M aximum W orking Voltage Signal C ommon M ode 10V Over Voltage Protection 40V Voltage Accuracy 0 2 of rdg 50uV TC Accuracy See table below Valid for one year 18 deg C to 28 deg C Minimum TC resolution 0 1 deg C for all TC types TC Accuracy at Measurement Temperature in C C max 100 o 100 300 500 zoo 900 1100 0 6 Accuracy conditions e Data is based on the use of a calibrated DaqTemp PCI Board e The table reflects total system absolute accuracy including accuracy of the CJC and DaqTemp PCI Board e Excludes possible error from thermocouples e Excludes noise Voy 0 7 2 Specifications 09 04 02 DaqTemp User s Manual Input Sequencer Temperature voltage digital and frequency inputs can be scanned synchronously based on either an internal programmable timer or an external clock source Analog and digital outputs can be synchronized to either of these clocks Bus Mastering DMA provides CPU and system independent data transfers ensuring data acquisition performance irrespective of other system activities Scan Clock Sources 2 1 Internal programmable from 5 us to 5 96 hours in 5 us steps 2 External TTL level input up to 200 kHz max Programmable Parameters per Scan Channel random order gain unipolar bipolar Depth 512 locations On Board C hannel to C hannel Scan Rate 5 us or 10 us per channel programmable Pacer Clock also ref
16. PCI Board Note In the right hand figure the cable is not shown to allow for greater clarity of parts amp Screw 4 40 x 3 16 1 of 2 Secure the Grounding Pigtail to Cable CA 195CE Using Cable Clamps 1033 2009 1033 2010 and two 4 40 x 5 16 screws secure the Grounding Pigtail to the cable Note that the Clamps must be positioned over the cable s Copper Band as indicated in the first figure on this page Tighten screws snug but do not over tighten Note In the following figure the cable is not shown to allow for greater clarity of parts Cable Clamp 1033 2099 Cable Came T gt 1033 2010 Screw 4 40 x 5 16 1 of 2 Grounding Pigtail DaqTemp Series User s Manual 08 27 02 CE Compliance 5 5 Connect Cable and Grounding Pigtail to the DaqTemp Module 1 Verify that the P4 connectors of the CA 195CE Cable and the DaqTemp Module are correctly aligned Correct alignment is indicated when the P4 locator triangles face each other see figure The triangles locate pin Al 2 Complete the connection 3 Connect the open end of the Grounding Pigtail to the threaded insert located to the right of DaqTemp s P4 connector See following figure DaqTemp Module CA 195CE Cable onnectadto DaqTemp PCI Board Grounding CE ORB and Cable Clamp Connects to P4 on the Copper Band DaqTemp Module Cable Clamps Partof Cable 2 Places At this point your board will be CE compliant providi
17. These inputs are labeled CNTO CNT1 CNT2 and CNT3 on the Digital and Analog I O Terminal Block Card as indicated in the preceding figure Each of the four counters is capable of accepting frequency inputs of up to 10 MHz The counters can be cascaded to 32 bits allowing over four billion counts to be totalized As with all other inputs the counters can be read asynchronously under program control or synchronously as a part of an analog and digital scan group 16 Bit Timer Outputs TMPO and TMR1 Two 16 bit timer outputs are built into every DaqTemp Each timer output can generate square waves within a programmable frequency range of 16 Hz to 1 MHz These outputs are labeled TMRO and TMR1 on the Digital and Analog I O Terminal Block Card as indicated in the preceding figure Pacer Clock I O A ICLK and A OCLK All DaqTemp models have two signals that can be used as inputs for externally clocking the acquisition and analog output DACs A TTL input can be applied to A ICLK that will start a scan every time a rising edge occurs on the applied TTL input Likewise a TTL input can be applied to A OCLK that will update the DAC outputs every time a rising edge occurs on the applied TTL input The pacer clock connection points are indicated in the preceding figure When using the internal pacer clock generator the A ICLK and the A OCLK can each be programmed as an output Hardware Trigger Input TTLTRG All DaqTemp models have a TTLTRG input that c
18. able accurate and compact data acquisition solutions that evolved from a primary focus on thermocouple applications There are presently four DaqTemp systems Each includes the following hardware and software DaqTemp Hardware DaqTemp Data Acquisition Module DaqTemp PCI plug in board CA 195 Cable 3 feet long DaqTemp PCI Board in Host Computer DaqTemp Software DaqTemp Module DaqView DaqViewXL eZ PostView Drivers for DASYLab DagqTemp s Three Hardware Components Module Cable and PCI Board Card for Digital amp Analog I O T C Terminal Block Card for Digital amp Analog I O T C Terminal Block KSSS SSS SNNN SR TEELEN t 7 DaqTemp7 and DaqTemp7A Modules sE DaqTemp14 and DaqTemp14A Modules Internal Layout Internal Layout Counter Frequency DaqTemp7 Note The following pages include larger illustrations of the DaqTemp Internal Layouts DaqTemp User s Manual 09 06 02 Overview amp Theory of Operation 1 1 Thermocouple Channels CH1 CH7 CH9 CH15 Each DaqTemp features on board cold junction compensation CJC for direct measurement of type J K T E N28 N14 S R and B thermocouples The following table provides the temperature range for each of these thermocouple types Thermocouple Temperature Ranges T C Type el Ee ee a ae N28 N4 s R B Temperature 200 to 200to 200to 270to 270to Oto 50 to 50 to 50 to Ra
19. an be used to trigger the start of an acquisition The connection point is indicated in the preceding figure Power Output 5v DGND All DaqTemp models have a power output connection on the Digital and Analog IO card The power supplied has a voltage of 5V 10 and is sourced from the computer where the DaqTemp PCI board is installed No more than 500mA should be sourced out of this connection See the preceding figure for the power output connection points 1 4 Overview amp Theory of Operation 09 06 02 DaqTemp User s Manual Scanning Every DaqTemp has an on board scan sequencer that permits the user to select any combination of up to 512 channel range combinations The sequencer scans all channels contained in the sequence at the rate of 5 us channel thereby minimizing the time skew from channel to channel The user can also set the time between scan groups from 0 to 6 hours In addition to scanning analog inputs the sequencer can scan digital inputs and counter inputs Scan Group All channels within scan group are a measured at a fixed 5 ps channel 4am m y Time Immediate to 4 ae 6 hours Dy d t Channel 2 4 a g D2 Tc TC 7 2 CH5 CH3 Gain x1 x8 x2 X64 lari or Unipolar Unipolar Bipolar Bipolar P i Thermocouple Type K Type E DagqTemp Scanning Example 1 Channels can be sampled dynamically by the sequencer Gain can be programmed for each channel d
20. board components Only handle boards by their edges or ORBs if applicable Ensure boards do not come into contact with foreign elements such as oils water and industrial particulate Note The part number of the CE Cable Kit that is used with DaqTemp Series Boards is CA 209 By following these instructions correctly your DaqTemp will be CE Compliant in accordance with the conditions stated on your DaqTemp board s Declaration of Conformity If your board is already installed you will need to remove it from the PC before proceeding If your board is not yet installed proceed to the section entitled Install the CE ORB Remove the DaqTemp Series Board from the Host PC Turn the host PC s power OFF Turn power OFF to externally connected equipment UNPLUG the host PC and all externally connected equipment Remove the PC s cover Refer to your PC Owner s Manual as needed IN cfs o gt Baie ES Locate the DaqTemp PCI Board and carefully remove it from the PCI slot Install the CE ORB 1 Remove the two screws that secure the standard non CE ORB to the board see following figures 2 Using the same screws mount the CE ORB to the board Tighten the screws snug but do not over tighten DaqTemp PCI Board Gd CE ORB A Replaces Standard ORB i Mounting a DaqTemp Series PCI Board toa CE ORB DaqTemp Series User s Manual 08 27 02 CE Compliance 5 3 Install the DaqTemp PCI Board with its CE ORB If yo
21. ccept frequency inputs up to 10 MHz The counters can be cascaded into two 32 bit counters e Two 16 bit timer outputs Each can generate square waves from 16 Hz to 1 MHz e Configuration through software The DaqTemp modules and PCI boards have no switches or jumpers e Analog Outputs DaqTemp7A and DaqTemp14A only The 16 bit 100 kHz analog output channels have an output range of 10 V to 10 V These channels are separate from the D As used to determine analog trigger levels Using Bus Mastering DMA each D A can output a waveform Bus Mastering DMA also allows for digital pattern generation on the 16 bit high speed digital I O port DaqTemp User s Manual 09 06 02 Overview amp Theory of Operation 1 11 Q Note 1 12 Overview amp Theory of Operation 09 06 02 DaqTemp User s Manual How to Install DaqTemp 2 Step 1 Install Software 2 2 Step 2 Install the DaqTemp PCI Board 2 2 Step 3 Configure the PCI Board 2 4 Step 4 Test the PCI Board 2 5 Step 5 Connect the DaqTemp Module to its associated PCI Board 2 6 Note You should keep your DaqTemp serial numbers and your DaqView 2000 authorization code if applicable with this document Space is provided below The PCI board serial number is located on its 100 pin P4 connector Important Numbers for Future Reference DaqTemp Module Serial Number DaqTemp PCI Board Serial Number PCI Bus Slot Location Authorization Co
22. channels can be used individually or cascaded into 2 32 bit counter channels For either cascaded or non cascaded counter channels each channel can be configured for e Clear on Read Mode specifies that each counter should be cleared reset to 0 upon being read e Continuous Totalize Mode specifies that each counter is to free run and not be cleared during the read operation DaqTemp User s Manual 09 06 02 Overview amp Theory of Operation 1 9 Operation Matrix DaqTemp7A DaqTemp14A DaqTemp7 and Operation PCI Board PCI Board DaqT emp14 PCI Board Synchronous Input Analog Inputs Yes Yes Yes Counter Inputs Yes Yes Yes Digital Inputs Yes Yes Yes Synchronous Output Analog D A Waveform Output Yes 2 Yes 4 No 0 Asynchronous IO Digital I O Yes Yes Yes Timer Output Pulse Generation Yes Yes Yes Analog Output Yes 2 Yes 4 No 0 Block Diagram DACs apply to DaqTemp7A and DaqTemp14A see Note 1 DaqTemp7 and DaqTemp14 have no DACs 16 bit DAC A 5 us to 6 hours SIGNAL I O Digital to Analog Converter 8 DE P4 Note 1 Analog Input eo DAC OUT Ba eo 8 Input PGA ANALOG IN FB Protection x1 2 4 8 88 x16 32 64 oo o o ce Four External Ch Select fe ANALOG Two External Gain Select CONTROL F One SS amp H eo 88 512 step oo 83 Random Access 33 Channel Gain 3 Sequencer 8 Four 16 bit Counter Inputs E 33 Two 16 bit Timer Outpu
23. con driven software This category includes DA SY Lab and associated third party drivers The ready to use programs are convenient for DaqT emp applications as no programming knowledge is required to acquire data and obtain meaningful data display DaqView is a Windows based program for basic set up and data acquisition DaqV iew lets you select desired channels gains thermocouple types and a host of other parameters with a click of aPC mouse DaqV iew lets you stream data to disk and display data in numerical and graphical formats DaqViewXL allows you to interface directly with Microsoft Excel to enhance data handling and display Within Excel you have a full featured Daq control panel and all the data display capabilities of Excel The eZ PostV iew application can be launched from DaqV iew or independently From this program you can view and analyze historical post acquisition data eZ PostV iew is included free as a part of DaqT emp product support eZ T imeView and eZ F requencyView are post acquisition data viewing applications which are available for purchase Though similar to eZ PostV iew these applications contain many additional features eZ TimeV iew and eZ F requencyV iew can be used freely during a 30 day trial period Note The Daq Configuration control panel allows for interface configuration testing and troubleshooting DaqTemp User s Manual 10 14 02 Software for DaqTemp Applications 4 1 Reference Note During so
24. de if applicable CAUTION Take ESD precautions packaging proper handling grounded wrist strap etc Use care to avoid touching board surfaces and onboard components Only handle boards by their edges or ORBs if applicable Ensure boards do not come into contact with foreign elements such as oils water and industrial particulate Reference Note Each DaqTemp s PCI board plugs into a PCI bus slot on a host PC If needed consult your PC documentation in regard to its PCI bus and the associated slots Install Software Install Board in PCI Slot Configure Board through software Test Hardware through software Kee Koa CA 195 Cable p DaqTemp PCI Board A Aa in Host Computer H we FP DaqTemp Module Use a CA 195 cable to connect the DaqTemp module to its associated PCI Board DaqTemp Installation A Pictorial Overview DaqTemp User s Manual 10 14 02 How to Install DaqTemp 2 1 Step 1 Install Software IMPORTANT Software must be installed before installing hardware 1 Remove previous version Daq drivers if present You can do this through Microsoft s Add Remove Programs feature 2 Place the Data Acquisition CD into the CD ROM drive Wait for PC to auto run the CD This may take a few moments depending on your PC If the CD does not auto run use the Desktop s Start Run Browse feature 3 After the intro screen appears follow the screen prompts Up
25. eading range Absolute Transfer 0 to 10V 0 015 0 005 0 004 0 002 5 to 5V 0 015 0 005 0 004 0 001 0 to 5V 0 015 0 005 0 004 0 002 2 5 to 2 5V 0 015 0 005 0 004 0 001 0 to 2 5V 0 015 0 005 0 004 0 002 1 25 to 1 25V 0 015 0 005 0 004 0 001 0 to 1 25V 0 015 0 008 0 004 0 002 0 625 to 0 625V 0 015 0 008 0 004 0 001 0 to 0 625V 0 015 0 008 0 004 0 002 0 3125 to 0 3125V 0 015 0 008 0 004 0 0015 0 to 0 3125V 0 015 0 008 0 004 0 003 0 156 to 0 156V 0 020 0 008 0 004 0 0015 10 to 10V 0 015 0 005 0 004 0 001 Specifications assume differential input single channel scan 200 kHz scan rate unfiltered The accuracy specification is exclusive of noise Transfer accuracy assumes calibration inside computer applicable for measurements made 5 C from ambient temperature at calibration DaqTemp User s Manual 09 04 02 Specifications Common M ode Rejection 86 dB DC to 60 Hz for gains lt 8 gt 100 dB for gains gt 16 Maximum Input Voltage 11V relative to analog common Over V oltage Protection 35V Ranges Software or sequencer selectable on a per channel basis from 156mV FS to 10V FS Crosstalk 100 dB DC to 60 Hz 86 dB 10 kHz Thermocouple Inputs Channels 7 or 14 differential TC mV inputs TC types J K S T E BR N Input Voltage Range 100mV Input Impedance 40M Ohm Input Bandwidth 4 Hz Input Bias Current 10 nA typ CMRR 100dB typ
26. els that are not currently configured for waveform output In addition the timer outputs can be programmed at any time regardless of the current state of synchronous or asynchronous operations on other channels Digital O Channels Local 8255 Channels The DaqTemp Series PCI Boards have an Intel 8255 core in the digital I O logic on the P2 port of the product With the Intel 8255 there are three 8 bit wide ports available for I O and one 8 bit wide port for configuration purposes The configuration port is used to configure the other three 8 bit ports for either input or output operations Pulse Stream Output Using Timers The boards allow the generation of output pulses based upon a programmable setting These output timers can be set at any time regardless of the state of any synchronous or asynchronous operations which are currently taking place on other channels Analog Output Channels The boards that have analog output capabilities have the ability to output analog data to any of the available up to four D A channels Each D A channel may be asynchronously updated by an application if the D A channel is not currently being used for waveform output operations Frequency Couniter Input Channels The DaqTemp Series PCI boards have counter input capabilities and have the ability to read counter input if the counter channel is not configured for synchronous acquisition As in the case of synchronous operations the 4 16 bit counter input
27. er support only This is similar to the mode just described except that the acquisition is terminated upon receipt of a command from the program e Stop Trigger Any of the software trigger modes described above can be used to stop an acquisition Thus an acquisition can be programmed to begin on one event such as a temperature level and then stopped on another such as a digital pattern event Theory of Operation As implied by the following matrix the operational material does not apply globally to every DaqTemp Series PCI board For example the PCI boards for DaqTemp7 and DaqTemp14 have no analog output I O Comparison Matrix I O Comparison Matrix for DaqTemp Series PCI Boards Thermocouple Analog Input Analog Output Digital I O Counter DaqTemp Channels Channels Channels Channels Timers PCI Board igi Counter DaqTemp7A 7 7 2 24 4 Counters 2 Timers DaqTemp14A 14 7 4 24 4 Counters 2 Timers DaqTemp7 7 7 0 24 4 Counters 2 Timers DaqTemp14 14 7 0 24 4 Counters 2 Timers Synchronous Input Operations The DaqTemp Series devices allow synchronous scanning and acquisition of Analog Input Digital Input and Counter Input Data at up to 200 kHz aggregate scanning rates The Analog Input data can be either voltage input or thermocouple input channels The Digital Input data can be any of the 8 bit ports designated as Port A AO through A7 Port B BO through B7 and Port C CO thr
28. erred to as External Acquisition Scan Clock Input A ICLK and A OCLK Maximum Rate 200 kHz Clock Signal Range OV to 5V Minimum Pulse Width 50 ns high 50 ns low Triggering Trigger Sources 6 individually selectable for starting and stopping an acquisition Stop acquisition can occur on a different channel than start acquisition stop acquisition can be triggered via modes 2 4 5 or 6 described below Pre trigger is supported with fixed or variable pre trigger periods 1 Single Channel Analog Hardware Trigger Any voltage or TC input channel can be software programmed to be the analog trigger channel Input Signal Range 10V to 10V max Trigger L evel Programmable 11 bit resolution Hysteresis Programmable 11 bit resolution Latency 5 us max 2 Single Channel Analog Software Trigger Any voltage or TC input channel can be selected as the software trigger If the trigger channel is a thermocouple then the driver automatically compensates for the reading delay resulting in a maximum latency of one scan period Input Signal Range Anywhere within range of the selected trigger channel Trigger L evel Programmable 16 bit resolution including window triggering Latency One scan period max 3 Single Channel Digital Trigger A separate digital input is provided for digital triggering Input Signal Range 15V to 15V Trigger Level TTL Minimum Pulse Width 50 ns high 50 ns low Latency 5 us max 4 Digital Patter
29. exe When calibration adjustments are needed they should be completed in the following order PGA Input and Output Offset Sample Hold Offset A D Offset and Gain VDC Voltage Reference DACO Full Scale DAC Full Scale DAC2 Full Scale DAC3 Full Scale OOo IL Ow Or Oot A Windows based program DaqCal exe is used to calibrate Daq systems including analog expansion cards DaqCal exe is used in conjunction with e a4 5 digit digital multi meter e an adjustable voltage calibrator e an ambient temperature meter To use the calibration program 1 Launch DaqCal Note DaqCal is installed automatically from your data acquisition CD as a part of product support This takes place during software installation DaqCal s default location is the IOtech DaqX Software folder in the Programs group 2 When DagqCal opens you will be prompted to select your device from a list After doing so simply follow the illustrated on screen instructions DaqTemp User s Manual 10 14 02 Calibration 6 1 Reference Note If the ambient temperature of the operating environment is below 18 C or above 28 C or if the DaqTemp is near or outside its one year calibration interval then the absolute accuracy may be improved through the use of an external temperature calibrator Refer to the document System Calibration and Unit Conversion U sing mx b p n 457 0949 for detailed information A PDF version of the document is included on your data acquisition
30. ftware installation Adobe PDF versions of user manuals will automatically install onto your hard drive as a part of product support The default location is in the Programs group which can be accessed from the Windows Desktop Initial navigation is as follows Start Desktop Start pull down menu Programs lOtech DaqX Software Y ou can also access the PDF documents directly from the data acquisition CD by using the lt View PDFs gt button located on the opening screen Refer to the PDF documentation for details regarding both hardware and software A copy of the A dobe Acrobat Reader is included on your CD The Reader provides a means of reading and printing the PDF documents Note that hardcopy versions of the manuals can be ordered from the factory Reference Note For information regarding DASY Lab refer to third party documentation 4 2 Software for DaqTemp Applications 10 14 02 DaqTemp User s Manual CE Compliance 5 Overview Overview 5 1 CE Standards and Directives 5 1 Safety Conditions 5 2 Emissions Immunity Conditions 5 2 CE Cable Kit for DaqTemps 5 3 CE compliant products bear the CE mark and include a Declaration of Conformity stating the particular specifications and conditions that apply The test records and supporting documentation that validate the compliance are kept on file at the factory The European Union established CE standards in 1985 The
31. ifications 7 5 7 6 Specifications 09 04 02 DaqTemp User s Manual Glossary Acquisition Analog Analog to Digital Converter ADC API Bipolar Buffer Buffer Amplifier Channel Common mode Common mode voltage Crosstalk Digital Glossary A collection of scans acquired at a specified rate as controlled by the sequencer A signal of varying voltage or current that communicates data A circuit or device that converts analog values into digital values such as binary bits for use in digital computer processing Application Program Interface The interface program within the Daq system s driver that includes function calls specific to Daq hardware and can be used with user written programs several languages supported A range of analog signals with positive and negative values e g 5 to 5 V see unipolar Buffer refers to a circuit or device that allows a signal to pass through it while providing isolation or another function without altering the signal Buffer usually refers to a A device or circuit that allows for the temporary storage of data during data transfers Such storage can compensate for differences in data flow rates In a FIFO First In First Out buffer the data that is stored first is also the first data to leave the buffer b A follower stage used to drive a number of gates without overloading the preceding stage c An amplifier which accepts high source impedance input
32. ld possible result in equipment damage Prior to mating the CA 195 cable s P4 connectors to the PCI board and the DaqTemp be sure to align the P4 orientation indicators A of the connectors that are being mated Connect the DaqTemp module to its PC based PCI board as follows 1 Turn off and unplug the PC 2 Ensure that the P4 connector alignment indicators A on cable CA 195 and the DaqTemp module are in alignment and make the connection of cable to DaqTemp module 3 Align the cable s remaining P4 connector with the PCI board s P4 connector then make the connection At this point you can connect the signal lines to the DaqTemp module s terminal blocks Refer to chapter 3 for details 2 6 How to Install DaqTemp 10 14 02 DaqTemp User s Manual Making Signal Connections 3 Connect the signal lines to the intended terminals on DaqTemp s card mounted terminal blocks for Digital or Analog I O and or to the chassis mounted terminal blocks for thermocouple connections In regard to thermocouples e DaqTemp7 and DaqTemp7A provide input connections for channels 1 through 7 e DaqTemp14 and DaqTemp14A provide input connections for channels 1 through 7 and for channels 9 through 15 Card with Terminal Blocks for Terminal Blocks for Digital I O and Analog I O Thermocouples aa SSSK SSA SOS OSS VEVEG i 7 A A 2 Z a Q Q SI A 2 Z pa Q I A LA CA Z 6 Z Z Z Z 2 J 0 Q Z G Z 2
33. lement a multiplexing approach to gathering the input data This means that with either internal or external clocking the entire channel scan including the sampling time for each channel may not exceed the maximum aggregate rate of 200kHz External clocking for acquisition is accomplished by applying a TTL clock input to the A ICLK on the Digital and Analog IO board With external clocking the DaqTemp PCI board will start a scan every time there is a rising edge on the A ICLK input All channels analog and digital within the scan group are still measured at the 5 us channel or 10 us channel rate the scan stored in the sequencer will be repeated at the rate of the A ICLK input Synchronous Output Operations The DaqTemp7A and DaqTemp14A PCI Boards allow synchronous output of any 2 or 4 DACS respectively All D A channels available may have output streamed to them and clocked out synchronously DAC output channels can be updated at the rate of an internal DAC pacer clock that is fully programmable and separate from the acquisition pacer clock External clocking for analog output is also available by applying a TTL clock input to the A OCLK on the Digital and Analog IO board With external clocking the DaqTemp PCI board will update the DAC s every time there is a rising edge on the A OCLK input All DAC channels that are enabled will be updated at the same time Alternatively the DACs can be updated at the acquisition rate either internall
34. ly converted to digital values The single ended mode measures a voltage between a signal line and a common reference that may be shared with other channels Also see differential mode 08 23 02 Glossary An event to start a scan or mark an instant during an acquisition The event can be defined in various ways e g a TTL signal a specified voltage level in a monitored channel a button manually or mechanically engaged a software command etc Some applications may use pre and post triggers to gather data around an instant or based on signal counts Trigger TTL Transistor Transistor Logic TTL is a circuit in which a multiple emitter transistor has replaced the multiple diode cluster of the diode transistor logic circuit typically used to communicate logic signals at 5 V A range of analog signals that is always zero or positive e g 0 to 10 V Evaluating a signal in the right range unipolar or bipolar allows greater resolution by using the full range of the corresponding digital value See bipolar Unipolar Glossary 08 23 02 G 4 08 23 02 Glossary
35. ly long latencies The DaqTemp PCI Board uses true analog triggering whereby the trigger level programmed by the user sets an analog DAC which is then compared in hardware to the analog input level on the selected channel The result is analog trigger latency that is guaranteed to be less than 5 us significantly shorter than most data acquisition devices Any analog channel can be selected as the trigger channel The user can program both the trigger level as well as the edge rising or falling Digital Triggering P1 A separate digital trigger input line is provided allowing TTL level triggering again with latencies guaranteed to be less than 5 us Both the logic levels 1 or 0 as well as the edge rising or falling can be programmed for the discrete digital trigger input The digital trigger input is labeled TTLTRG on the Digital and Analog I O Board Digital Pattern Triggering P2 The DaqTemp PCI Board also supports digital pattern triggering whereby the user can designate any of the digital input ports as the trigger port The programmed digital pattern including the ability to mask or ignore specific bits is then compared to the actual input until a match is detected after which the sequencer begins the scan sequence Counter Triggering Triggering can also be programmed to occur when one of the counters reaches exceeds or is within a programmed level Any of the built in counter totalizer channels can be programmed as a trigge
36. mply with the safety and emissions standards of the European Community When applicable these products have a Declaration of Conformity stating which specifications and operating conditions apply You can view the Declarations of Conformity at www mcecdagq com legal aspx CE Information page Warnings Cautions Notes and Tips Refer all service to qualified personnel This caution symbol warns of possible personal injury or equipment damage under noted conditions Follow all safety standards of professional practice and the recommendations in this manual Using this equipment in ways other than described in this manual can present serious safety hazards or cause equipment damage This warning symbol is used in this manual or on the equipment to warn of possible injury or death from electrical shock under noted conditions This ESD caution symbol urges proper handling of equipment or components sensitive to damage from electrostatic discharge Proper handling guidelines include the use of grounded anti static mats and wrist straps ESD protective bags and cartons and related procedures This symbol indicates the message is important but is not of a Warning or Caution category These notes can be of great benefit to the user and should be read In this manual the book symbol always precedes the words Reference Note This type of note identifies the location of additional information that may prove helpful References may be made to
37. n Triggering 8 or 16 bit pattern triggering on the digital input port Programmable for trigger on equal above below or within outside of a window Individual bits can be masked for don t care condition Latency One scan period max 5 Counter Totalizer Triggering Counter totalizer inputs can trigger an acquisition User can select to trigger on a frequency or on total counts that are equal above below or within outside of a window Latency One scan period max 6 Software Triggering Trigger can be initiated under program control Analog Output DaqTemp User s Manual 09 04 02 Specifications 7 3 For DaqTemp7A and DaqTemp14A analog output channels can be updated synchronously relative to scanned inputs and clocked from either an internal onboard clock or an external clock source Analog outputs can also be updated asynchronously independent of any other scanning in the system Bus Mastering DMA provides CPU and system independent data transfers ensuring accurate outputs that are irrespective of other system activities Streaming from disk or memory is supported allowing continuous nearly infinite length waveform outputs limited only by available PC system resources Analog Output C hannels 2 for DaqTemp7A designated as DACO and DAC1 4 for DaqTemp14A designated as DACO DAC1 DAC2 and DAC3 Resolution 16 bits Output Voltage Range 10V Output Current 10 mA Offset Error 0 0045V max Gain Error 0 01 U
38. nce temperature detectors RTDs require a known voltage or current Typically the variation of this signal through the transducer corresponds to the condition measured The degree to which an input signal is amplified or attenuated to allow greater accuracy and resolution can be expressed as xn or dB The arrangement or operation of a circuit so that signals from another circuit or device do not affect the isolated circuit In reference to Daq devices isolation usually refers to a separation of the direct link between the signal source and the analog to digital converter ADC Isolation is necessary when measuring high common mode voltage Some transducers produce a voltage in linear proportion to the condition measured Other transducers e g thermocouples have a nonlinear response To convert nonlinear signals into accurate readings requires software to calibrate several points in the range used and then interpolate values between these points A device that collects signals from several inputs and outputs them on a single channel The value of a signal on a channel at an instant in time When triggered the ADC reads the channel and converts the sampled value into a 12 or 16 bit value The channels that are selected for sampling A programmable device that manages channels and channel specific settings An operation that gathers samples from multiple channels at the same instant and holds these values until all are sequential
39. nd 1s represent digital data 08 23 02 Ga Digital to Analog Converter DAC DIP switch Differential mode Differential mode voltage ESD Excitation Gain Isolation Linearization Multiplexer MUX Sample reading Scan Sequencer Simultaneous Sample and Hold Single ended mode A circuit or device that converts digital values binary bits into analog signals A DIP switch is a group of miniature switches in a small Dual In line Package DIP Typically users set these switches to configure their particular application The differential mode measures a voltage between 2 signal lines for a single channel Also see single ended mode Differential mode voltage refers to a voltage difference between two signals that are referenced to a common point Example Signal 1 is 5 VDC referenced to common Signal 2 is 6 VDC referenced to common If the 5 VDC signal is used as the reference the differential mode voltage is 1 VDC 6 VDC 5 VDC 1 VDC If the 6 VDC signal is used as the reference the differential mode voltage is 1 VDC 5 VDC 6 VDC 1 VDC Electrostatic discharge ESD is the transfer of an electrostatic charge between bodies having different electrostatic potentials This transfer occurs during direct contact of the bodies or when induced by an electrostatic field ESD energy can damage an integrated circuit IC Some transducers e g strain gages thermistors and resista
40. ng that the conditions listed on your DaqTemp PCI board s Declaration of Conformity are satisfied You can return power to the system and commence with normal operation of your DaqTemp system 5 6 CE Compliance 08 27 02 DaqTemp Series User s Manual Calibration 6 Overview 6 1 Using DaqCal exe 6 1 Overview DaqTemp PCI Boards are digitally calibrated at the factory The digital method involves storing a correction factor for each range on the DaqTemp PCI Board at the time of calibration Whenever a particular range is selected the appropriate calibration constant is automatically applied to a compensating DAC thereby calibrating the specific range The result is that readings generated by the A D are already calibrated and do not require additional processing This is significantly better than calibration methods used by many other products in which readings are adjusted in software after they are transferred to the PC That method reduces the dynamic range of the A D and can adversely affect the speed at which the PC obtains a calibrated reading The DaqTemp PCI Board offers a user cal mode whereby the user can adjust the calibration of the board without destroying the supplied factory calibration This is accomplished by having two distinct calibration tables in the unit s on board EPROM one which contains the factory calibration factors and the other which is available for user calibration Using DaqCal
41. nge C 760 1200 400 650 400 1300 1768 1768 1780 Temperature 328 to 328to 328to 454to 454to 32to 58 to 58 to 122 to Range F 1400 2192 752 1202 752 2372 3214 3214 3236 DaqTemps are known mainly for their input of thermocouple signals Up to seven thermocouples channels 1 through 7 can be connected to a thermocouple terminal block located within the DaqT emp7 and DaqTemp7A modules Both the DaqTemp7 and DaqTemp7A use channel 0 for CJC cold junction compensation _ maeme Ile OOA a ol KOO OAK OAC YOO OS OG es m 1 Ij z x NOON OSG Thermocouple Channel Connections for DaqTemp7 and DaqTemp7A YOO S O Thermocouple Channel Connections for DaqTemp14 and DaqTemp14A Up to fourteen thermocouples can be connected to a thermocouple terminal block located within the DaqTemp14 and DaqT emp14A modules Channels 1 through 7 are used for the first seven thermocouples and channels 9 through 15 for the second set of seven Both the DaqgTemp14 and DaqTemp14A use two channels for CJC cold junction compensation The CJC is measured on channels 0 and 8 The DaqTemp PCI board has 8 differential analog inputs One of these inputs is used to measure the thermocouple channels leaving the other 7 for general purpose analog input measurement The thermo couple board has its own analog multiplexer that is driven by expansion channel address signals from the PCI board The multiplexer chooses one of 16 signal
42. of Operation Explains what DaqTemps are the differences between the four DaqTemp models and discusses certain aspects of data acquisition in relation to DaqTemp as well as the theory of operation for each DaqTemp model Chapter 2 H ow to Install DaqTemp Instructs the user on how to 1 install software 2 install the DaqTemp PCI board 3 configure the PCI board 4 test the PCI board and 5 connect the DaqTemp module to its associated PCI board Chapter 3 Making Signal Connections This chapter uses illustrations to identify the screw type terminals that are associated with various signal types including but not limited to Digital I O Analog I O and Thermocouples The chapter includes a thermocouple standards color reference table for the following thermocouple types J K T E N28 N14 S R and B The chapter also includes important notes pertaining to thermocouples Chapter 4 Software for DaqTemp Applications Provides a brief introduction to out of the box and icon driven software that can be used with DaqTemp The chapter includes reference notes to associated pdf formatted documents which the user will need to refer to for detailed information Chapter 5 CE Compliance Pertains to CE standards and conditions that are relevant to DaqTemps The chapter includes CE Kit installation instructions Chapter 6 Calibration Discusses the use of the DaqCal application that is included as a part of product support
43. on completing the software installation continue with step 2 Install the DaqTemp PCI Board Step 2 Install the DaqTemp PCI Board fel IMPORTANT Software must be installed before installing hardware IMPORTANT Bus Mastering DMA must be Enabled For a DaqTemp to operate properly Bus Mastering DMA must be enabled Prior to installation verify that your computer is capable of performing Bus Mastering DMA for the applicable PCI bus slot Note that some computers have BIOS settings that enable or disable Bus Mastering DMA If your computer has this BIOS option ensure that Bus Mastering DMA is Enabled on the appropriate PCI slot Refer to your PC s owner manual for additional information regarding Bus Mastering DMA CAUTION Turn off power to and UNPLUG the host PC prior to removing the PC s cover and installing a DaqTemp PCI board Electric shock or damage to equipment can result even under low voltage conditions Take ESD precautions packaging proper handling grounded wrist strap etc Use care to avoid touching board surfaces and onboard components Only handle boards by their edges or ORBs if applicable Ensure boards do not come into contact with foreign elements such as oils water and industrial particulate 1 Turn off power to and UNPLUG the host PC and externally connected equipment Remove the PC s cover Refer to your PC Owner s Manual as needed Choose an available PCI bus slot oe uke
44. ough C7 DaqTemp User s Manual 09 06 02 Overview amp Theory of Operation 1 7 Analog Input Channels The DaqTemp Series PCI Boards allow analog input configuration for the voltage input channels and the thermocouple input channels Channel Selection and Mode Settings The DaqTemp module accepts up to 7 differential inputs Channel Range and Polarity Each of the seven differential voltage input channels may be programmed for either unipolar or bipolar mode with gain settings of 1 2 4 8 16 32 or 64 Digital Input Channels The DaqTemp Series PCI Boards allow either synchronous scanning of digital input channels or asynchronous I O operations for all configured digital channels Counter Input Channels The DaqTemp Series PCI Boards allow synchronous scanning of the 4 16 bit counter input channels The four 16 bit counter channels can also be cascaded into two 32 bit counter channels For either cascaded or non cascaded counter channels each channel can be configured for e Pulse Counting Mode specifies that each counter should be cleared upon being read and placed into the input scan e Totalize Counting Mode specifies that each counter is to free run and not be cleared during the input acquisition Synchronous Input Acquisition Clocking The DaqTemp Series PCI boards allow clocking of the synchronized inputs either by an internal programmable pacer clock or by external clocking These products use a sequencer to imp
45. pdate Rate 100 kHz max 1 5 Hz min no minimum with external clock Settling Time 10 us max to 1 LSB for full scale step Clock Sources 4 programmable 1 Onboard D A clock independent of scanning input clock 2 Onboard scanning input clock 3 External D A input clock independent of external scanning input clock 4 External scanning input clock Digital I O Channels 24 Input Scanning M odes 2 programmable 1 Asynchronous under program control at any time relative to input scanning 2 Synchronous with input scanning Ports 3 x 8 bit 82C55 emulation each port is programmable as input or output Input Characteristics 100 Ohm series 20 pF to common 1 0 Levels TTL Sampling U pdate Rate 200 kHz max Frequency Counters Counter inputs can be scanned synchronously along with voltage TC and digital scanned inputs based either on internal programmable timer or an external clock source Bus Mastering DMA provides CPU and system independent data transfers ensuring data acquisition performance irrespective of other system activities Counters can be configured to clear when read or to totalize and clear under program control Channels 4 x 16 bit can be cascaded as 2 x 32 bit Frequency M easurement Rate 10 MHz max Input Signal Range 15V to 15V Trigger Level TTL Minimum Pulse Width 50 ns high 50 ns low Timer Pulse Outputs Channels 2 x 16 bit Output Waveform Square wave Output Rate 1 MHz base rate divided by 1 to 65
46. pectation of occasional condensation e overvoltage installation category classification with limits for transient overvoltage dependent on the nominal line voltage to earth Category I implies signals without high transient values Category II applies to typical mains power lines with some transients Safety Conditions Users must comply with all relevant safety conditions in the user s manual and the Declarations of Conformity This manual and Daq hardware make use of the following Warning and Caution symbols If you see either of these symbols on a product carefully read the related information and be alert to the possibility of personal injury This warning symbol is used in this manual or on the equipment to warn of possible injury or death from electrical shock under noted conditions This warning caution symbol is used to warn of possible personal injury or equipment damage under noted conditions Daq products contain no user serviceable parts refer all service to qualified personnel The specific safety conditions for CE compliance vary by product but general safety conditions include e The operator must observe all safety cautions and operating conditions specified in the documentation for all hardware used e The host computer and all connected equipment must be CE compliant e All power must be off to the device and externally connected equipment before internal access to the device is permitted e Isolation vol
47. r source Software Based Triggering Software based triggering differs from the modes described above because the readings analog digital or counter are interrogated by the PC to detect the trigger event not in the hardware as described above The advantage of this mode is to permit triggering based on more complex situations such as on a specific temperature which was derived from the acquisition of at least two analog measurements plus the calculation of the measured temperature using linearization algorithms Normally software based triggering results in long latencies from the time that a trigger condition is detected until the actual capturing of data commences However the DaqTemp PCI Board circumvents this undesirable phenomenon by use of pre trigger data Specifically when software based triggering is employed and the PC detects that a trigger condition has occurred which may be thousands of readings later than the actual occurrence of the signal the DaqTemp PCI Board driver automatically looks back to the location in memory where the actual trigger causing measurement occurred The acquired data that is presented to the user actually begins at the point where the trigger causing measurement occurs The latency in this mode is equal to one scan cycle Pre and Post Triggering M odes Six modes of pre and post triggering are supported providing a wide variety of options to accommodate any measurement requirement When using pre
48. s for measurement 14 thermocouple inputs and 2 CJC inputs Note Each DaqTemp thermocouple input channel can be configured for a fixed voltage gain of 100 When in this mode voltage can be measured in the range of 100 mV 1 2 Overview amp Theory of Operation 09 06 02 DaqTemp User s Manual Differential Input Channels 1H 1L 7H 7L Each DaqTemp model has seven differential input channels for measuring voltage The voltage channels are labeled from 1H 1L to 7H 7L with the H and L representing channel high and channel low The seven channels are located on the Analog I O portion of the card Each differential input channel also has a current shunt resistor that can be user installed The resistor will convert a current to a voltage the voltage will then be measured by the DaqTemp PCI board This is a handy way to measure 4 20mA current loops or make current based measurements in general The right hand figure shows how the resistors are connected to both the low side and high side of each differential input Note that R1 is matched to analog input 1 R2 to analog input 2 etc Differential Input Channels 1 and 2 with User Installed Resistors Analog I O Section of DaqTemp Digital and Analog I O Card Analog Outputs DACO DAC1 DAC2 and DAC3 The A model DaqTemps have Analog Output capability DaqTemp7A has two digital to analog converters These are designated as DACO and DAC1 DaqTemp14A has four DA
49. t applies to Daq products is EN 61010 1 1993 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements Environmental conditions include the following e indoor use e altitude up to 2000 m e temperature 5 C to 40 C 41 F to 104 F e maximum relative humidity 80 for temperatures up to 31 C 87 8 F decreasing linearly to 50 relative humidity at 40 C 104 F e mains supply voltage fluctuations not to exceed 10 of the nominal voltage e other supply voltage fluctuations as stated by the manufacturer e transient overvoltage according to installation categories overvoltage categories I II and III For mains supply the minimum and normal category is IT e pollution degree I or II in accordance with IEC 664 DaqTemp Series User s Manual 08 27 02 CE Compliance 5 1 For clarification terms used in some Declarations of Conformity include e pollution degree any addition of foreign matter solid liquid or gaseous ionized gases that may produce a reduction of dielectric strength or surface resistivity Pollution Degree I has no influence on safety and implies the equipment is at operating temperature with non condensing humidity conditions no conductive particles are permitted in the atmosphere warm up time is sufficient to avert any condensation or frost no hazardous voltages are applied until completion of the warm up period Pollution Degree II implies the ex
50. tage ratings do not exceed documented voltage limits for power and signal inputs All wire insulation and terminal blocks in the system must be rated for the isolation voltage in use Voltages above 30 Vrms or 60 VDC must not be applied if any condensation has formed on the device e Current and power use must not exceed specifications Do not defeat fuses or other over current protection Emissions Immunity Conditions 5 2 The specific immunity conditions for CE compliance vary by product but general immunity conditions include e Cables must be shielded braid type with metal shelled connectors Input terminal connections are to be made with shielded wire The shield should be connected to the chassis ground with the hardware provided e The host computer must be properly grounded e In low level analog applications some inaccuracy is to be expected when I O leads are exposed to RF fields or transients over 3 or 10 V m as noted on the Declaration of Conformity CE Compliance 08 27 02 DaqTemp Series User s Manual CE Cable Kit for DaqTemps CAUTION Turn OFF the power to and UNPLUG the host PC and externally connected equipment prior to removing the PC s cover and removing or installing the DaqTemp Series PCI Board Electric shock or damage to equipment can result even under low voltage conditions Take ESD precautions packaging proper handling grounded wrist strap etc Use care to avoid touching board surfaces and on
51. ted to a DaqTemp s SHIELD connection leave the shield unconnected at the other end of the thermocouple Open Thermocouple Detection DaqTemps are equipped with open thermocouple detection for each T C channel This means that a broken thermocouple wire or otherwise unconnected input that is measured will result in an off scale reading This is accomplished by applying a small bias current to each of the channel inputs Whenever a valid input is absent the bias current saturates the input amplifier resulting in the off scale reading Making Signal Connections 09 03 02 DaqTemp User s Manual Software for DaqTemp Applications 4 2 Daq iew DAQVIEW DAQ DaqTemp0 A oj x le dt Data Window Device Help Soda 4 10 ara TAS Set ty a Ni eM we KD Acquisition Setup Data Destination pe Analog amp Scanned Digital Inputs AS as eS omer rae Bipolar cjcoo J Bipolar CHO0 01 J Bipolar CHO0 02 J Bipolar CHO0 03 J Bipolar CHOO0 04 J Bipolar CHO0 05 J J 24 8 24 9 31 6 24 7 24 8 25 0 24 8 0 365 0 402 Bipolar CH00 06 Bipolar CH00 07 x1 Bipolar CH01 x1 Bipolar CHO2 S dgdagdgdddda DaqView Channel Setup Tab Selected D aqT emp devices are intended for use with two categories of software 1 Ready to use graphical programs also referred to as out of the box programs These include DaqV iew DaqV iewX L eZ PostV iew eZ TimeV iew ands eZ FrequencyV iew 2 I
52. teps 3 through 5 above Properties KON Remove Close Using Add Device Step 4 Test the DaqTemp PCI Board Use the following steps to test the DaqTemp Note that these steps are continued from those listed under the previous section Configure the DaqTemp PCI Board 4 Daq Configuration 1 Select the Test Hardware tab DagTemp Properties Test Hardware 1 2 Click the Resource Test button i es Aus testing please make sure your device is connected to 3 After the test is complete click OK vig If your computer does not respond for 30 seconds please Eoi reboot and change the settings in the configuration utility System capability is now tested for the DaqTemp PCI board Test Results No tests have been run Torun click Test Test results will be displayed on the screen At this point we are ready to connect the DaqTemp module to the PCI board Test Hardware Tab Condensed Screen Image DaqTemp User s Manual 10 14 02 How to Install DaqTemp 2 5 Step 5 Connect the DaqTemp Module to its PCI Board So Co EQ CA 195 Cable r DaqTemp PCI Board AA in Host Computer P g DaqTemp Module Use a CA 195 cable to connect the DaqTemp module to its associated PCI Board Connecting the DaqTemp Module to the PCI Board Turn off power to and unplug the host PC prior to connecting the DaqTemp to the computer Failure to do so cou
53. trigger the user must use software based triggering to initiate an acquisition e No pre trigger post trigger stop event This the simplest of modes acquires data upon receipt of the trigger and stops acquiring upon receipt of the stop trigger event e Fixed pre trigger with post trigger stop event In this mode the user specifies the number of pre trigger readings to be acquired after which acquisition continues until a stop trigger event occurs e No pre trigger infinite post trigger No pre trigger data is acquired in this mode Instead data is acquired beginning with the trigger event and is terminated when the operator issues a command to halt the acquisition e Fixed pre trigger with infinite post trigger The user specifies the amount of pre trigger data to acquire after which the system continues to acquire data until the program issues a command to halt acquisition 1 6 Overview amp Theory of Operation 09 06 02 DaqTemp User s Manual e Variable pre trigger with post trigger stop event driver support only Unlike the previous pre trigger modes this mode does not have to satisfy the pre trigger number of readings before recognizing the trigger event Thus the number of pre trigger readings acquired is variable and dependent on the time of the trigger event relative to the start In this mode data continues to be acquired until the stop trigger event is detected e Variable pre trigger with infinite post trigger driv
54. ts 88 8 Programmable 3 One DAC Pacer Clock Sequencer eo ee Timebase DIGITAL I O oo oo oo oo oo are Three 8 bit Digital I O Ports 7 CA 195 100 CONDUCTOR RIBBON CABLE Connects to P4 on DaqTemp7A or DaqTemp14A Note 1 The DaqTemp7A PCI Board has two DACs The DaqTemp14A PCI Board has four DACs Amplifier System Controller DaqTemp PCI Board Block Diagram Overview amp Theory of Operation 09 06 02 Gain amp Offset Converter 16 bit 200 kHz Analog to Digital PC PCI Bus PC Controller Configurable Configurable PLD EEPROM 32 bit Data and Address Bus DaqTemp User s Manual Each DaqTemp makes use of one high speed multi function PCI plug and play data acquisition board The PCI board features a 16 bit 200 kHz A D converter ADC digital calibration bus mastering DMA 24 digital I O lines four counters and two timers In addition the DaqTemp7A has two16 bit 100 kHz D A converters DACs and the DaqTemp14A has four DACs DaqTemp modules provide access to all of the system s input and output signals A 100 pin connector on each module connects to a mating connector on the associated PCI board The connection is made via a CA 195 100 conductor ribbon cable Signal types applicable to the DaqT emps are e Analog Input 7 differential analog inputs with 13 software programmable ranges 10 V to 156 mV full scale e General purpose 24 lines
55. u are installing the DaqTemp Series Board for the first time refer to chapter 2 of this manual How to Install DaqT emp 1 Ifyou have not already done so turn off power to and UNPLUG the host PC and externally connected equipment Then remove the PC s cover Refer to your PC Owner s Manual as needed 2 Install the DaqTemp Series PCI Board with CE ORB as follows see following figure a Align the groove in the edge connector with the ridge on the PCI slot b Push the DaqTemp PCI Board firmly into the PCI slot c Replace the rear panel adapter screw 3 Replace the PC s cover a Align Groove in Edge Connector with Ridge on PCI Slot c Replace Screw b Push Board Firmly into PCI Slot Installing a Daqr emp PCI Board 5 4 CE Compliance 08 27 02 DaqTemp Series User s Manual Connect the CA 195CE Cable to the Board CA 195CE Cable Connected to DaqTemp PCI Board DaqTemp Module Grounding CE ORB and Cable Clamp Connects to P4 on the Copper Band DaqTemp Module Cable Clamps Part of Cable 2 Places 1 Connect one end of the CA 195CE Cable to DaqBoard 2000 Series Board s ya Vv P4 P4 connector Note that either end of the cable can be connected to the board however the white locator triangles must align with each other A P4 2 Align the Cable Clamp 1033 2009 with the Cable Clamp 1033 2009 CE ORB and secure the items with two 4 40 x 3 16 screws provided DaqTemp
56. y or externally via A ICLK so that an entire scan is measured every time a DAC update is done 1 8 Overview amp Theory of Operation 09 06 02 DaqTemp User s Manual Output Channel Configuration Analog Output Channels Each D A channel can be configured for waveform output individually If the D A channel is not configured for waveform output it then is available for asynchronous output operations Synchronous Output Clocking The DaqTemp Series PCI Boards allow clocking of the synchronized output by the acquisition clock source an internal programmable pacer clock or by an external clock source When the clock source generates a new clock signal all outputs are updated concurrently Regardless of the clock source the clock may not exceed the maximum update rate of 100kHz Synchronous Output Data Source The DaqTemp Series PCI Boards allow the data source for synchronized output operations to be that of a memory based buffer or a file located on a mass storage medium With either type of output data source the output data for all the channels are contained in the buffer and or file The file path may be any file located on the machine or network accessible file Asynchronous I O Operations The DaqTemp Series PCI boards allow asynchronous input of any counter or digital channel that is not currently configured for synchronous acquisition The PCI boards for DaqgTemp7A and DaqTemp14A also allow for asynchronous output to any D A chann
57. ynamically by the sequencer Thermocouples can be of the following types J K T E N28 N14 S R B 3 Unipolar or Bipolar operation can be programmed for each channel dynamically by the sequencer Counter Inputs any of four can be scanned along with the analog and digital inputs Digital Input Ports can be sampled along with Analog Inputs The DaqTemp PCI board s 512 location scan sequencer allows you to select each channel and associated input amplifier gain All channels are scanned at 200 kHz 5 us channel In addition the digital and frequency inputs can be scanned using the same scan sequencer employed for analog inputs enabling the time correlation of acquired digital data to acquired analog data The PCI board permits each scan group which can contain up to 512 channel gain combinations to be repeated immediately or at programmable intervals of up to 6 hours Within each scan group consecutive channels are measured at a fixed rate of 5 us per channel or 10 us per channel DaqTemp User s Manual 09 06 02 Overview amp Theory of Operation 1 5 Triggering Triggering can be the most critical aspect of acquiring data The DaqTemp PCI Board supports a full complement of trigger modes to accommodate a wide variety of applications Hardware Analog Triggering Many data acquisition products claim analog triggering but rely on the PC to take readings and make a decision which leads to uncertain and potential

DaqTemp Users Manual - Measurement Computing

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