用户手册 — Omega Engineering OM-DAQ-USB-2401

目录

• Section 1 - Introduction

  1
• 1.1 Precautions

  1
• 1.2 Safety Warnings and IEC Symbols

  1
• 1.3 Statement on CE Marking

  1
• 1.4 General Description and System Components

  1
• 1-1 IEC Symbols

  1
• System Components

  1
• Section 2 - Hardware

  2
• 2.1 Package Inspection

  2
• 2.2 Included Items

  2
• Section 3 - Hardware Setup

  3
• 3.1 OM-DAQ-USB-2400 Components

  3
• 3.2 USB Hubs and Power Adaptors

  3
• 3.2.1 USB-powered Hubs

  3
• 3.2.2 Self-powered Hubs

  3
• 3.2.3 Power Adaptors

  3
• 3.4 Connecting Various Hardware Setups

  3
• 3.4.1 Direct Connection To Computer USB Port(s)

  3
• 3.4.2 Connection To USB-powered Hub

  3
• 3.4.3 Connections To Self-powered and USB-powered Hubs

  3
• 3.5 OM-DAQ-USB-2401 Mounting

  3
• 3.5.1 OM-DAQ-USB-2401 Wall Mounting

  3
• 3.5.2 OM-DAQ-USB-2401 DIN Rail Mounting

  3
• to a Computer USB Port

  3
• Direct Connection to Computer USB Port

  3
• Connection to USB-powered Hub

  3
• and to USB-powered Hub

  3
• OM-DAQ-USB-2401 Wall Mounting

  3
• Dimensions

  3
• OM-DAQ-USB-2401 Rail Mounting

  3
• Section 4 - Software

  4
• 4.1 Getting Started

  4
• 4.2 Software Installation

  4
• 4.2.1 System Requirements

  4
• 4.2.2 Software Setup

  4
• 4.3 DAQ Central Software Operation

  4
• 4.3.1 Main Control Window Pull-Down Operations

  4
• 4.3.2 Device Configuration

  4
• 4.4 Power Line Rejection

  4
• 4.5 Optical Isolation

  4
• 4.6 A/D Conversion

  4
• 4.7 Input Ranges

  4
• 4.8 Analog Input Configuration

  4
• 4.9 Measurement Duration, Scan Time, and Resolution

  4
• 4.10 Automatic Calibration

  4
• 4.11 Thermocouple Measurements

  4
• 4-1 Welcome Screen

  4
• Select Install Screen

  4
• Confirm Installation Screen

  4
• Main Control Window

  4
• Toolbar Buttons

  4
• File Menu

  4
• Device Menu

  4
• Tools Menu

  4
• Help Menu

  4
• Configuration Mode Channels Tab Screen

  4
• Scan Options

  4
• Unit Options

  4
• Automatic Calibration

  4
• Trigger Options

  4
• "Start Trigger" Options

  4
• "Stop Trigger" Options

  4
• Data Tab

  4
• Data "Save Behavior" Option

  4
• Main Window Screen

  4
• Gauges Screen

  4
• Bars Screen

  4
• Digital Screen

  4
• Table Screen

  4
• Waveform Screen

  4
• Sample Options Screen

  4
• OM-DAQ-USB-2400 Block Diagram

  4
• Calibration/Scan Arrangement

  4
• Thermocouple Wiring

  4
• Section 5 - Signal Management

  5
• 5.1 Channel Control and Expansion

  5
• 5.2 Scan Time and Resolution

  5
• 5.2.1 Scan Time

  5
• 5.2.2 Resolution [Effective Number of Bits (ENOB, RMS)]

  5
• 5.3 Under Sampling and Aliasing

  5
• 5.4 Triggering

  5
• 5.5 Signal Modes

  5
• 5.6 System Noise

  5
• 5.7 Averaging

  5
• 5.8 Analog Filtering

  5
• 5.9 Input and Source Impedance

  5
• 5.10 Crosstalk

  5
• Scan Rate vs Resolution (ENOB, RMS)

  5
• Examples of Under Sampling

  5
• Trigger Source Diagram

  5
• Noise Reduction in Differential Mode

  5
• Example of Floating Differential Circuit

  5
• Analog to Digital Converter

  5
• Section 6 - CE Conformity

  6
• 6.1 OM-DAQ-USB-2401 Design for CE Conformity

  6
• Ferrite Core

  6
• 8.1 Service and Calibration

  7
• Section 7 - Troubleshooting

  7
• 7.1 Basic Checklist

  7
• 7.2 Symptoms and Solutions

  7
• Section 8 - Service and Calibration

  8
• 8.1 Service and Calibration

  8
• Section 9 - Specifications

  9
• OM-DAQ-USB-2400

  9
• Section 10 - Approvals and Regulatory Compliance

  10
• 10.1 International Usage and CE Marking

  10