Table Of Contents - Omega OM-DAQ-USB-2401 User Manual

Multiple Channel USB Data Acquisition Module
Section 1 - Introduction ...................................................................... 1-1
1.1 Precautions ............................................................................................... 1-1
1.2 Safety Warnings and IEC Symbols ........................................................ 1-2
1.3 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
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