EDAS-1001E-2A Ethernet Data Acquisition System User Guide Data
Contents
1. 1231231 Ethemet Address 0 19262 020 109 Figure 3 1 SYSCHECK Program Tab Connecting Your Base Unit to Your Computer While the EDAS 1001E 2A kit is designed to be controlled over an entire network for the purposes of this experiment we recommend you simply connect your base unit directly to your computer by plugging in the crossover CAT 5 cable into both the unit and your computer s ethernet port Connecting directly like this minimizes errors that may come from your network s setup because we simply wish to demonstrate how the kit works removing as many external errors at the beginning is helpful rr PA Termination Panel plugs into base unit ri malo ar m irs Cgi a atk E j i a i ar y mi ai 11 mesi ane A 1A i pa n mia jg mi Ei E E EJ i Bat fal ko g ald i i it Ere GJ F E i i a ait rT P PT i b A Poe ET 0 One battery wire plugs into chassis pin Other wire will touch to numbered bits Figure 3 2 Connection Diagram After connecting via ethernet check your computer s network settings and adjust them thus that the IP range is similar to the base unit s IP address with a different final digit and that the subnet mask is the same In Windows this can be done by opening the Network Connections control panel opening the properties from the LAN connection and then opening the properties for that TCP IP connection Check the Use the following IP address butto2. the host computer But that undermines the point of this system that it is a network device In the future it could be connected to a large network or even accessed over the internet Our user interface inside of Labview was also rather utilitarian and purpose driven In further projects with more complex data to interpret this could be improved on as well While looking at a simple binary number is useful for seeing our bit flip when we plug in the battery it would not prove so helpful when trying to read the results given by a temperature sensor or pressure meter At its core this unit is a simple transmission device it takes in normal digital information and sends it over a network or even the entire Internet You may have only flipped a single bit today but that bit is the start of a very useful device References Bishop R Learning with Labview 8 Prentice Hall Upper Saddle River New Jersey 2007 FactoryView EDAS 1000 Series Digital I O and Multifunction Ethernet Data Acquisition systems EDAS User Manual Intelligent Instrumentation Inc Tucson Arizona 1997 EDAS Virtual Instrument VI Support Library For National Instruments LabVIEW software User and Reference Manual Intelligent Instrumentation Inc Tucson Arizona 1998
3. used to obtain ID and power cycle information on a connected EDAS unit nVERInquire vi This function obtains version information about the connected EDAS unit s firmware nDIOConfigureList vi This function is used to configure input or output a list of digital I O ports nDlORead vi This function is used to read a digital input port Section 5 Conclusion The EDAS 1001E 2A Ethernet Data Acquisition System is a simple toolset and we have completed just a simple experiment with it here What have you accomplished this experiment Seemingly not much We have changed only one bit at a time with our battery This information was then sent over the network by our system Finally it was interpreted into something we could read by Labview But this simple facade betrays what can now be done by just extending the things we have done here further In future experimentation all three of those parts of our system could be made grander The only data we looked at was if a battery was connected to a single bit But by just looking at the termination panel it becomes obvious that this is a gross underutilization of the equipment at hand Our system allows information to be sent from four ports of eight bits each for a total of 32 bits This is a large amount of data and multiple different sensors could be connected at the same time For simplicities sake during this experiment we only directly connected the main unit directly to
4. EDAS 1001E 2A Ethernet Data Acquisition System User Guide Data Acquisition and Control Systems CDA 4170 J Wesley Hulette amp Matthew Coyne Florida Gulf Coast University Fort Myers FL Section 1 Introduction Section 2 Contents EDAS 1001E 2A Base Unit LPP002 Power Supply EDAS 1004T 7 Panel Other Hardware Items EDAS 1001 2A CD section 3 Getting Started Obtaining an IP Address Connecting Your Base Unit to Your Computer Installing the LabView Plugins Running the Experiment section 4 On Labview Section 5 Conclusion References Section 1 Introduction Welcome to the EDAS 1001E 2A Ethernet Data Acquisition System This user guide will walk you through a simple experiment as a process to both test the hardware and to learn the basics of understanding how to properly utilize it The EDAS 1001E 2A Ethernet Data Acquisition System is a kit that allows simple data to be transmitted over a network Data can be fed into it through 32 digital I O ports Data can also be introduced through serial ports but only with specialized devices built to work with the kit This guide will define the materials you should have received in this kit as well as materials you may need It will then give a walkthrough for our first experiment Finally this guide will explain how our experiment relates to future usage of the kit and help explain how it worked Section 2 Contents Upon opening this package there are multiple pieces t
5. al for the hardware EDAS User and Reference Manual pdf User manual for the Labview plugins edas_lv12 zip Zip folder containing an installer for the Labview plugins Converted VI s folder Folder containing Labview plugins pre converted to work within newer versions of Labview Errors txt List of error codes the software may report Also included are various images of the hardware and software section 3 Getting Started Obtaining an IP Address lf you know an IP address has already been assigned to your base unit you may skip this step In order to use the base unit over a network as intended we must first know what local IP address is assigned to it This EDAS 1001E 2A kit includes various software utilities for interfacing with it The first one we will be using is the EDAS SYSCHECK utility First install SYSCHECK by by running edassys3 exe Using your power supply and serial cable plug in your base unit and connect it to your computer Run SYSCHECK and open the Program tab and select a desired unused COM Port In the Current Configuration box note the IP Address and Subnet Mask displayed This is all we will be using SYSCHECK for at this time you may quit the program and disconnect the serial cable Fie Help Configuration Progam Test COMPat caw E Achi EDAS Vine IP Addes 123122123123 1231221221 013282000 Dnt Cohr IP Adder 123 123 123123 Subrat Mask 255 255 255 0 Gateway Address 123
6. alled to is C LabView Unfortunately this software is for an older version of Labview we will have to make some changes so everything runs smoothly C LabView is no longer where LabView is installed to and the plugins need to be converted to work with current Labview versions We have included on the CD a folder titled Converted VI s these have the updated versions of the VIs that you will need Copy the EDAS Examples and EDAS Utilities folders from the CD into your LabView installation folder most likely at C Program 10 Files National Instruments Labview 8 Also copy the EDAS Support folder from CD into the user lib folder inside of your LabView directory Finally copy the final NPCI W8V dll from C LabView into your Labview 8 folder Running the Experiment Now that everything is installed and set up we can finally test out hardware 1 Connect one battery wire from the 9 Volt battery to the chassis pin on Port 0 on your Termination Panel 2 Start LabView 3 Open the Digital IO Sample virtual instrument this will be found in the EDAS Examples folder you copied earlier 4 Enter the IP address of your base unit into the EDAS IP Address box at the top of the virtual instrument s front panel 5 Ensure that the port number on the left side of the front panel is set to 0 6 Run the VI Now when you touch the second battery wire to the numbered bits on Port 0 on the termination board the value in the Input Data box at t
7. hat should be contained EDAS 1001E 2A Base Unit EDAS Digital I O Base Unit w RS 232 and RS 485 The actual data acquisition hardware On the back contains a power on indicator the power input jack an RS 232 serial port a 10Base T ethernet port and an RS 485 serial port On the opposite side are 32 digital I O channels and mounting hardware for a termination panel Active on 2 units only 0BASE T i ria AS 285 O of 5 AB tL O ai SO ia Pre o MN A Figure 2 1 EDAS 1001E 2A Back Panel Figure 2 2 EDAS 1001E 2A Front Panel LPP002 Power Supply Power Supply 24 Volts AC 90 120 Volts AC 60 Hz input The included power supply for the base unit hardware EDAS 1004T 1 Panel Digital I O Termination Panel The termination panel is a a piece of hardware that mounts onto the the front of the oO O Oo ae i oo oO 00 oO D a ee D a O Oo Oo D COoOgdoOoD ooo oC COoOGcmAoOoog oo Ce LAT J PRT 7 L PORT 1 PRT 0 base unit This panel makes the 32 digital I O channels easily accessible Figure 2 3 EDAS 1004T 1 Termination Panel For our experiment there are other parts that are also required which may or may not be included please ensure you have these items before continuing Other Hardware Items An RS 232 Serial Cable A Crossover CAT 5 Ethernet Cable A 9 Volt Battery Battery Wires EDAS 1001 2A CD containing edas hw pdf User manu
8. he center of the VI s front panel should change This box defaults to display in hexadecimal but it can changed it so that it displays in binary You can do this by right clicking on the input data box selecting properties and changing the display format If you do this you can see exactly which pins are which bits and how you are effecting them Figure 3 4 Digital IO Sample Front Pane Section 4 On Labview Learning how to use the included VIs is important to interpreting the data this unit sends over the network We only used a few in our experiment which will be defined but there are many more you should investigate and read about in the included EDAS Virtual Instrument VI Support Library User and Reference Manual Look over the the block diagram of our sample VI included below with EDAS plugins titled and read the definitions to see the steps the software uses to display the data adapter J DAS IP address PICver bas EDAS i EDAS r ca Sa m nSessionEnd nSWinit nSessionBegin nSYSinquire nVERinquire nDIOConfigureList Figure 4 1 Digital IO Sample Block Diagram nSessionBegin vi This function is used to initiate a communications session with an EDAS unit nSessionEnd vi This function is used to terminate a communications session with an EDAS unit nSWinit vi This function is used to initialize the Net Link drivers nSYSlInquire vi This function is
9. n and type in information matching the base unit except L Internet Protocol TCP IP Properties ax General i i General Adwanced Altemate Configuration c H You can get F settings assigned automatically if your network supports onnect using this capability Othenwise you need to ask your network administrator for E9 VMware Accelerated AMD PCNet Ad eS Te Mea le Thi connection uses the following item Obtain an P address automatically ka El Client for Microsoft Networks ka 5 File and Printer Sharing for Microsoft Networks wf Jl Gos Packet Scheduler 4 Internet Protocal TCP IP O Use the following IP address TE O Obtain DNS server address automatically Description Transmission Control Protocol nternet Protocol The default Use the following DNS server seen Wide area network protocol that provides communication E P PEATE across diverse interconnected networks Alternate DAS server Show icon in notification area when connected Notify me when this connection has limited or no conmectryity changing the final digit of the IP address Figure 3 3 Checking Your Network Properties Installing the LabView Plugins From the included CD open the edas_lv12 zip file and run the setup exe file This package installs various dll files for LabView LabView plugins we require and a few example LabView Virtual Instruments including the one we will be using The default folder these will be inst
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