Omega OM-DAQ-USB-2401 Скачать руководство пользователя страница 50 | Manualshive

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Содержание OM-DAQ-USB-2401

Страница 1: ...OM DAQ USB 2401 Multiple Channel USB Data Acquisition Module e mail info omega com For latest product manuals www omega com en us pdf manuals Shop online at omega comTM User sGuide...

Страница 2: ...Canada only U S A Headquarters Tel 203 359 1660 e mail info omega com Fax 203 359 7700 The information contained in this document is believed to be correct but OMEGA accepts no liability for any error...

Страница 3: ...s To Self powered and USB powered Hubs 3 5 3 5 OM DAQ USB 2401 Mounting 3 6 3 5 1 OM DAQ USB 2401 Wall Mounting 3 7 3 5 2 OM DAQ USB 2401 DIN Rail Mounting 3 8 Section 4 Software 4 1 4 1 Getting Start...

Страница 4: ...ing 5 6 5 8 Analog Filtering 5 6 5 9 Input and Source Impedance 5 7 5 10 Crosstalk 5 7 8 1 Service and Calibration 7 1 Section 6 Troubleshooting 6 1 6 1 Basic Checklist 6 1 6 2 Symptoms and Solutions...

Страница 5: ...creen 4 2 4 2 Select Install Screen 4 2 4 3 Confirm Installation Screen 4 3 4 4 Main Control Window 4 4 Table 4 1 Toolbar Buttons 4 5 4 5 File Menu 4 6 4 6 Device Menu 4 6 4 7 Tools Menu 4 7 4 8 Help...

Страница 6: ...ate vs Resolution ENOB RMS 5 2 5 1 Examples of Under Sampling 5 3 5 2 Trigger Source Diagram 5 4 5 3 Noise Reduction in Differential Mode 5 5 5 4 Example of Floating Differential Circuit 5 5 5 5 Analo...

Страница 7: ...has been designed to be operated in a permanent installation only There are no user serviceable parts inside your device Attempting to repair or service your unit may void your warranty The discharge...

Страница 8: ...tion refer to accompanying documentation EU s Waste Electrical and Electronic Equipment Compliance Figure 1 1 IEC Symbols 1 3 General Description System Components The OM DAQ USB 2401 is a USB 2 0 ful...

Страница 9: ...annels on The main items you will be using in your data acquisition system are the OM DAQ USB 2401 unit its USB cable and power adaptor Figure 1 2 System Components Introduction 1 1 3 NOTE USB POWER A...

Страница 10: ...ote any evidence of rough handling in transit Immediately report any damage to the shipping agent The carrier will not honor any damage claims unless all shipping material is saved for inspection Afte...

Страница 11: ...p to 10 DAQ units to one PC USB hubs can be of the self powered type or of the USB powered type Both types of hubs are available from a variety of vendors 3 1 Hardware Setup 3 CHANNEL 1 2 ANALOG INPUT...

Страница 12: ...rom USB powered hubs In addition DAQ units will require the use of a power adaptor when used with certain laptops When using a power adaptor with your DAQ system be sure to supply power from the adapt...

Страница 13: ...igh speed USB cable to connect the DAQ system to one of the host computer s USB ports There is no need for an additional power source in this setup since the power pins of the PC s USB connection supp...

Страница 14: ...examples that follow the USB hubs have four external ports downstream ports The USB hubs used in your system may have more Connections can be adjusted accordingly 3 4 1 Direct Connection to Computer...

Страница 15: ...ur DAQ units and two different style USB hubs Two DAQs are connected by cable to individual ports of a self powered USB hub In addition the self powered hub is connected to a downstream USB powered hu...

Страница 16: ...OM DAQ USB 2401 mounting kit contains the following accessories 2 mounting brackets to be used for either wall or DIN rail 4 long screws to be used for either wall or DIN rail 4 short screws to be us...

Страница 17: ...to mark where you will drill holes in the wall 5 Install the two screws into the wall 6 Mount the DAQ unit on the wall by passing the screw head through the larger mounting bracket holes and then slid...

Страница 18: ...the OM DAQ USB 2401 3 Align the mounting brackets with the rear holes on the DAQ unit make sure that the ears are facing inwards like in the figure below 4 Use the longer screws to reconnect the mount...

Страница 19: ...your computer s energy save mode is disabled If needed consult your PC user s manual to disable energy save power suspension modes 4 2 Software Installation 4 2 1 System Requirements Minimum Requireme...

Страница 20: ...ble click your CD ROM drive and run setup exe Figure 4 1 Welcome Screen This welcome screen should be visible on your computer screen To continue with installing the program click the Next button From...

Страница 21: ...ring the install process a Windows Command Prompt may pop up No interaction is required in this window it is automatically installing or updating the device s USB drivers Please let this process compl...

Страница 22: ...esired device 2 Open Device Configuration window 3 Set channels sample rate triggering and data output file 4 Click OK to confirm Device Configuration 5 Open any desired Data Displays 6 Click the Star...

Страница 23: ...Gauges Display Opens a Gauges window Button Displays measurements in analog meter format Bars Display Opens a Bars window Displays Button measurements in a bar graph format Digital Display Opens a Di...

Страница 24: ...4 6 Device Menu Detect Devices Detects available OM DAQ USB 2401 devices which are currently connected to the computer through the USB Configuration Same function as Configuration button Accesses the...

Страница 25: ...To convert data file from binary file to csv file Figure 4 8 Help Menu Check for Updates To check for the latest Omega DAQ Central software update information through the Internet connection About To...

Страница 26: ...nels Tab Screen Channels Tab The Channels tab contains a spreadsheet designed for setting up channels for data acquisition Depending on the column you can make changes to the information contained in...

Страница 27: ...al input Range You can select the voltage input range or thermocouple type for each input channel Thermocouples must always be used with Differential input Scale and You can rescale the input signal T...

Страница 28: ...gger Options Trigger Types Manual Acquisition is manually started stopped Level Set trigger to stop start acquisition when the input level is either above or below a certain threshold Date Time Set tr...

Страница 29: ...IG 4 17 Data Save Behavior Options Auto overwrite If a file with the same name already exists it will be automatically overwritten when the Start Acquisition button is pressed Prompt for If a file wit...

Страница 30: ...Software 4 4 12 Figure 4 18 Main Window Screen Figure 4 19 Gauges Screen Figure 4 20 Bars Screen Figure 4 21 Digital Screen Figure 4 22 Table Screen...

Страница 31: ...d or removed with the Add Display and Delete Display buttons Confirm changes by clicking the OK button Start Acquisition by clicking the Play button on the Main Window Acquisition can be stopped with...

Страница 32: ...itry external to the PC This physical isolation of circuitry from the PC results in less noise and more accurate measurements 4 6 A D Conversion OM DAQ USB 2401 uses an extremely low noise 24 bit anal...

Страница 33: ...ge input range full scale is 10 to 10 Vdc The lowest programmable voltage input range is 30mV to 30 mV A complete list of the OM DAQ USB 2401 s programmable ranges appears on page 8 1 Each analog inpu...

Страница 34: ...m Figure Notes V1 and V2 are single ended inputs V3 is a thermocouple and is a differential input 4 9 Measurement Duration Scan Time and Resolution In relation to sampling analog input the terms measu...

Страница 35: ...also determine the scan sample rate and resolution for the applicable channel For the DAQ s analog input applications scan sample rates range from 0 0002778 samples sec 1 hr scan up to 1000 samples se...

Страница 36: ...includes built in cold junction compensation CJC which is automatically invoked when you select TC measurements The DAQ unit automatically converts acquired voltage readings into compensated linearize...

Страница 37: ...exist for a signal s measurement The greater the resolution the more detailed the reading for example with increased resolution a reading of 5 12 V could become 5 11896 V The DAQ actually provides for...

Страница 38: ...and Aliasing When you select the Scan Time you also determine the scan rate and resolution for the applicable channel As shown in the previous table scan rates range from 0 0002778 scans sec up to 10...

Страница 39: ...ions Signal 2 This signal based on 1 sample scan every 3 divisions is represented by a heavy dotted line and sample points designated by squares Under sampling has resulted in a distortion in effect a...

Страница 40: ...ing between differential and single ended inputs is made by software command The following text briefly describes the two signal modes Single ended mode refers to a mode or circuit set up in which a v...

Страница 41: ...nitude in each input signal cancel each other out This results in a clean differential signal S1 S2 Floating differential measurements are made when low level signals must be measured in the presence...

Страница 42: ...g differential voltage measurement and shielding are available to reduce noise to an acceptable level 5 7 Averaging Certain acquisition programs apply averaging after several samples have been collect...

Страница 43: ...erence or signal distortion The impact of source impedance and stray capacitance can be estimated by using the following equation T RC Where T is the time constant R is the source impedance and C is t...

Страница 44: ...tion if an alternate directory was chosen during installation Data does not appear or data does not make sense See Device Selection under Basic Checklist Stop the acquisition and check the Triggers ta...

Страница 45: ...ation on how to have your device serviced 7 1 Service Calibration If any of your DAQ system components require service or calibration please call our Customer Service Department at 1 800 622 2378 or 2...

Страница 46: ...tal 0 to 50 C 0 to 122 F 95 RH non condensing Operating Temperature 0 to 50 C 32 to 122 F 0 to 95 RH non condensing Analog Input Accuracy exclusive of noise Differential Input 0 015 of reading 004 of...

Страница 47: ...relative to analog common Warm up 1 hour to rated specifications USB Device Type USB 2 0 full speed Device Compatibility USB 1 1 USB 2 0 Power Supply From USB Port or 9 Vdc adaptor External Power Sour...

Страница 48: ...5 K 0 1 4 3 9 1372 1 3 3 7 101 1 6 4 5 T 0 1 4 4 400 1 2 9 184 1 2 3 4 E 0 0 9 2 6 1000 0 7 1 9 204 5 2 14 8 R 700 4 6 13 1 1768 3 9 11 204 5 6 16 S 700 5 2 14 7 1768 4 6 12 8 B 538 7 9 13 7 1820 4 8...

Страница 49: ...onal Regulatory Compliance for each country It is your the user s responsibility to insure that these products are operated within the guidelines here in this manual and in conformance with all local...

Страница 50: ...NOTES 10...

Страница 51: ...NOTES 10...

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Страница 53: ...A if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to m...

Страница 54: ...s M U Turbine Paddlewheel Systems M U Totalizers Batch Controllers pH CONDUCTIVITY M U pH Electrodes Testers Accessories M U Benchtop Laboratory Meters M U Controllers Calibrators Simulators Pumps M U...

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