Omega Engineering OM-DAQ-USB-2401 Manuel d'utilisateur Page 1

OM-DAQ-USB-2401Multiple Channel USB DataAcquisition Modulee-mail: [email protected] latest product manuals:omegamanual.infoShop online atomega.com®Use

Section 2 - HardwareIt is important that you read this manual completely and follow all safetyprecautions before operating this instrument.2.1 Package

Section 3 - Hardware Setup3.1 OM-DAQ-USB-2401 System Components Figure 3-1. OM-DAQ-USB-2401 Hardware and DimensionsThe external power port is used in

3.2.1 USB-powered Hubs These hubs draw all power from the host USB connector’s power pins. Thepower is used for hub internal functions and for the hub

3.3 Connecting Your OM-DAQ-USB-2401 Acquisition System to PCWhen using a power adaptor with your DAQ system, be sureto supply power (from the adaptor

3.4 Connecting Various Hardware SetupsON-DAQ-USB-2401 data acquisition systems range from simple to complex. Oneexample of a simple system is that of

3.4.2 Connection to USB-powered HubIn this example, two OM-DAQ-USB-2401s are connected by cable to individualports of a single USB-powered hub. Since

Figure 3-5. Connections to Self-Powered Hub and to USB-Powered HubUSB port locations vary from PC to PC.3.5 OM-DAQ-USB-2401 MountingThe OM-DAQ-USB-24

3.5.1 OM-DAQ-USB-2401 Wall MountingIn order to mount the OM-DAQ-USB-2401 to the wall, you will need to:1. Remove the rear screws from the OM-DAQ-USB-2

Hardware Setup33-83.5.2 OM-DAQ-USB-2401 DIN Rail MountingIn order to mount the OM-DAQ-USB-2401 to a DIN-Rail, you will need to:1. Attach the DIN-rail

4-1Software4Section 4 - Software4.1 Getting StartedThe following program files are included on the Omega DAQ Central UserSoftware CD supplied with you

Servicing North America:U.S.A.: Omega Engineering, Inc., One Omega Drive, P.O. Box 4047ISO 9001 Certified Stamford, CT 06907-0047 USAToll Free: 1-800-

Software44-24.2.2 Software SetupInsert the DAQ Central Software CD that was included with your DAQ unit intothe CD-ROM drive on your PC. Your system s

Software44-3Figure 4-3. Confirm Installation ScreenThe setup wizard now has all the information to complete the installation of thesoftware on your P

Software44-44.3 DAQ Central Software OperationBelow is the basic flow of operation when using the software:1. Highlight desired device.2. Open Device

TOOLBAR BUTTONSStart Button Initiates data acquisition for thehighlighted device. Even if a StartTrigger is set, this must be pressedto Arm the devic

4.3.1 Main Control Window Pull-Down OperationsBelow are the operations that are available in the Pull-Down Menus of the DAQCentral Main Control Window

Figure 4-7. Tools MenuExport Data File – To convert data file from binary file to .csv fileFgure 4-8. Help MenuCheck for Updates To check for the la

Section 4.3.2 Device ConfigurationThe Device Configuration window contains the Channel, Triggers, and Datatabs. Details for these tabs are below. Wh

Configuration Parameter SettingsChannel The input channel’s name (not editable)AN1D = analog channel 1, differential inputAN1H = analog channel 1, si

Figure 4-13. Trigger OptionsThe Triggers tab is used to set up triggers for starting and stopping dataacquisition. The Start Trigger and the Stop Tri

For all Start Trigger types, the device must be armed by pushing the Start Button on the main window.Data storage and display will not begin until the

iOM-DAQ-USB-2400Multiple Channel USB Data Acquisition ModuleTABLE OFCONTENTSPageSection 1 - Introduction ...

Software44-12Figure 4-18. Main Window ScreenFigure 4-19. Gauges Screen Figure 4-20. Bars ScreenFigure 4-21. Digital Screen Figure 4-22. Table Scr

Figure 4-23. Waveform ScreenEach Data Display can be customized by clicking the Options Icon .Each Data Display's Options screen lets you choos

Software44-144.4 Power Line RejectionThe OM-DAQ-USB-2401 Series can take readings while making use of 50/60Hzline cycle rejection. While in the line

The converter is comprised of a 4th-order, delta-sigma (Δ∑) analog-to-digital(A/D) converter modulator followed by a programmable digital filter. A fl

In DAQ applications, thermocouples should not be connectedsingle-ended. Doing so can result in noise and false readings.This is especially true when a

Resolution (Effective Number of Bits - ENOB, RMS) – The number of reliabledata bits that exist for a signal’s measurement. The greater the resolution,

4.11 Thermocouple MeasurementsThe OM-DAQ-USB-2401 provides effortless thermocouple (TC) measurements.The unit includes built-in cold-junction compensa

Section 5 – Signal Management 5.1 Channel Control and ExpansionIn the OM-DAQ-USB-2401 system, the quantities and types of DAQ units useddetermine the

Scan Rate vs. Resolution2ResolutionScan Rate3,4(Scans (ENOB5Speed Designation Scan Time1(s) per Second - SPS) RMS) Very Slow, 50 / 60 Hz

The following table provides general advice regarding the selection of ScanTime. The concepts are further illustrated by the figure, Examples of Under

iiOM-DAQ-USB-2400Multiple Channel USB Data Acquisition ModuleTABLE OFCONTENTSPage5.4 Triggering ...

5.4 TriggeringTriggering controls an acquisition cycle. Once the system is armed, a trigger isrequired to collect the data.The user must determine the

Differential mode refers to a mode, or circuit set-up, in which a voltage ismeasured between two signal lines. The measured differential voltage is us

Resolution: An analog-to-digital converter (ADC) converts an analog voltage toa digital number. The digital number represents the input voltage in dis

5.9 Input and Source ImpedanceAs illustrated below, the input impedance (Ri) of an analog-to-digital convertercombines with the transducer’s source im

Section 6 - CE Conformity6.1 OM-DAQ-USB-2401 Design for CE Conformity The OM-DAQ-USB-2401 has been designed to meet requirements as outlined inEuropea

Figure 6-2 Ferrite CoreThe ferrite cores may be removed from the DAQ unit; however, in order toconform to CE standards, all of the ferrite cores must

Section 7 – Troubleshooting7.1 Basic ChecklistPower – Check USB cable connection. The green “PWR IND” LED should be liton the DAQ device. If using a p

Section 8 – Service & CalibrationYour Omega DAQ components have been built and factory calibrated to meet orexceed the specifications listed here

Section 9 – SpecificationsGeneral Isolation: 500V from PCExternal Excitation Output Voltage: +12v DC Regulated, Maximum total current output 67mAPower

Thermocouple Input Range: Type J: -18 to 1200°C (0 to 2192°F)Type K: -129 to 1372°C (-200 to 2502°F)Type T: -101 to 400°C (-150 to 752°F)Type E: -184

iiiList of FiguresSection Figure Description ... PageSection 1 1-1 IEC Symbols ...

Table 9-1. Thermocouple Accuracy (ºC) for OM-DAQ-USB-2401TC Type Temp. Typical Fast(°C) Slow-18 1.3 3.8J0 1.131200 0.9 2.5-129 1.8 5K0 1.4 3.91372 1.

10.1 International Usage & CE Marking The OM-DAQ-USB-2401 multiple channel USB data acquisition module is CEmarked and certified for use in severa

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WARRANTY/DISCLAIMEROMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for aperiod of 13 months from date of

M5025/0112Where Do I Find Everything I Need forProcess Measurement and Control?OMEGA…Of Course!Shop online at omega.comSMTEMPERATURE䡺⻬Thermocouple, RT

ivList of FiguresSection Figure Description ... Page4-25 OM-DAQ-USB-2400 Block Diagram ...

Section 1 - Introduction Please read this manual completely before installing and operating your Omegadata acquisition system. It’s important to read

When using OM-DAQ-USB-2401 unit to acquire data,computer energy save modes can cause false data readings.Prior to using the unit, ensure your computer

*At highest scan rate, 1000 samples/sec +/- 1% with onechannel on, +/- 5% with all channels on.The main items you will be using in your data acquisiti