Omega Engineering OM-DAQ-USB-2401 OM-DAQ-USB-2400 Multiple Channel USB Data Acquisition Module

Page 3

OM-DAQ-USB-2400

TABLE OF

Multiple Channel USB Data Acquisition Module

CONTENTS

 

Page

Section 1 - Introduction

1-1

1.1 Precautions

1-1

1.2 Safety Warnings and IEC Symbols

1-2

1.3 Statement on CE Marking

1-2

1.4 General Description and System Components

1-2

Section 2 - Hardware

2-1

2.1

Package Inspection

2-1

2.2

Included Items

2-1

Section 3 - Hardware Setup

3-1

3.1 OM-DAQ-USB-2400 Components

3-1

3.2 USB Hubs and Power Adaptors

3-1

 

3.2.1 USB-powered Hubs

3-2

 

3.2.2 Self-powered Hubs

3-2

 

3.2.3 Power Adaptors

3-2

3.3

Connecting Your OM-DAQ-USB-2401 Acquistition Systems To PC

... 3-3

3.4 Connecting Various Hardware Setups

3-4

 

3.4.1 Direct Connection To Computer USB Port(s)

3-4

 

3.4.2 Connection To USB-powered Hub

3-5

 

3.4.3 Connections 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 Started

4-1

4.2

Software Installation

4-1

 

4.2.1 System Requirements

4-1

 

4.2.2 Software Setup

4-2

4.3 DAQ Central Software Operation

4-4

 

4.3.1 Main Control Window Pull-Down Operations

4-6

 

4.3.2 Device Configuration

4-8

4.4

Power Line Rejection

4-14

4.5

Optical Isolation

4-14

4.6 A/D Conversion

4-14

4.7

Input Ranges

4-15

4.8 Analog Input Configuration

4-15

4.9

Measurement Duration, Scan Time, and Resolution

4-16

4.10 Automatic Calibration

4-17

4.11 Thermocouple Measurements

4-18

Section 5 - Signal Management

5-1

5.1 Channel Control and Expansion

5-1

5.2

Scan Time and Resolution

5-1

 

5.2.1 Scan Time

5-1

 

5.2.2 Resolution [Effective Number of Bits (ENOB, RMS)]

5-1

5.3 Under Sampling and Aliasing

5-2

i

Image 3
Contents OM-DAQ-USB-2401 Servicing North America OM-DAQ-USB-2400 Multiple Channel USB Data Acquisition Module International Usage and CE Marking 10-1 OM-DAQ-USB-2400Section List of FiguresExamples of Under Sampling Introduction PrecautionsSafety Warnings and IEC Symbols Statement on CE MarkingGeneral Description & System Components System Components Hardware Package InspectionIncluded Items Hardware Setup USB Hubs and Power AdaptorsOM-DAQ-USB-2401 System Components USB-powered Hubs Self-powered HubsPower Adaptors Connecting Your OM-DAQ-USB-2401 Acquisition System to PC Direct Connection to Computer USB Ports Connecting Various Hardware SetupsConnections to Self-Powered and USB-powered Hubs Connection to USB-powered HubOM-DAQ-USB-2401 Mounting Connections to Self-Powered Hub and to USB-Powered HubOM-DAQ-USB-2400 Series OM-DAQ-USB-2401 Wall MountingOM-DAQ-USB-2401 Rail Mounting OM-DAQ-USB-2401 DIN Rail MountingSystem Requirements Software InstallationSoftware Getting StartedWelcome Screen Software SetupConfirm Installation Screen Main Control Window DAQ Central Software OperationToolbar Buttons Toolbar ButtonsFile Menu Main Control Window Pull-Down OperationsTools Menu Channels Tab 2 Device ConfigurationConfiguration Parameter Settings Manual Acquisition is manually started/stopped Level Data Displays Data Tab18. Main Window Screen 23. Waveform Screen Power Line Rejection Optical IsolationA/D Conversion Input Ranges Analog Input ConfigurationMeasurement Duration, Scan Time, and Resolution 27. Calibration/Scan Arrangement Automatic CalibrationThermocouple Measurements 28. Thermocouple WiringChannel Control and Expansion Signal ManagementScan Time and Resolution Resolution Effective Number of Bits ENOB, RMSRMS Under Sampling and AliasingExamples of Under Sampling SignalTriggering Signal ModesNoise Reduction in Differential Mode System Noise AveragingAnalog Filtering = RC Input and Source ImpedanceCrosstalk Vadc = VT x Ri / Rs + RiOM-DAQ-USB-2401 Design for CE Conformity CE ConformityFerrite Core Troubleshooting Basic ChecklistSymptoms and Solutions Service & Calibration Service & CalibrationSpecifications Cold Junction Power SupplyExternal Power Source Thermocouple Input RangeTC Type Temp Typical Fast Slow Thermocouple Accuracy ºC for OM-DAQ-USB-2401International Usage & CE Marking Approvals and Regulatory Compliance10-2 10-3 10-4 WARRANTY/DISCLAIMER Temperature