OMEGA ENGINEERING - Data Acquisition FAQ

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Data Acquisition Knowledge Base

How to measure a 4-20ma Input With a Voltage Input Device

Contact Closure Inputs - Using a Digital I/O Board to Measure a Contact Closure Using a Pull-Up Resistor

Voltage Dividers - Drop the Voltage of a Signal So That it Can Be Measured With a Smaller Input Range

DATASHUTTLE: Problems With Communications/Device Not Responding

DATASHUTTLE EXPRESS - DS-EXP power LED light blinks red OR is solid red

DATASHUTTLE EXPRESS - DS-EXP is not found using ECP mode on Dell Latitude.

DATASHUTTLE EXPRESS - DS-EXP is not found using SPP mode on Dell Latitude XPi, under Windows 95, but works in Windows 3.1 or DOS.

DATASHUTTLE EXPRESS - DTEST finds non-ECP port on Dell Latitude XPi CD P150ST, even with BIOS set to ECP, and Win95 finds an ECP port.

DATASHUTTLE EXPRESS - Unit is Not Found in parallel port ECP mode. DTEST reports that the port is ECP, but the port is actually working in SPP mode

DATASHUTTLE EXPRESS - Problem using DS-EXP with an HP Omnibook 4000CT

DATASHUTTLE EXPRESS - DS-EXP is not found under Windows 95, but is found with DTEST in DOS. Port type is ECP or SPP

DATASHUTTLE EXPRESS - Unit is Not Found in Windows and is Not Found by DTEST

DATASHUTTLE or DATASHUTTLE EXPRESS - A device does not work when connected to the passthrough port of the DS-EXP or DS

EPP Test: Determining Your Computer's Parallel Port Type

Wiring a Bridge Type Sensor - Connecting a Full-Bridge Type Load Cell or Pressure Sensor to an Analog Input Device

Low Pass Filters - Reduce Electrical Noise on an Analog Input Signal.

NOISE - Sources of Noise and Some Typical Solutions

OMB-DBK19: Configuration and the DAQBOOK.CAL file

Common Problems with Data Acquisition Devices That Communicate to a Parallel Port, Such as a DATASHUTTLE, OMB-DAQBOOK or OMB-TEMPBOOK, etc.

Connecting Relays to a Digital Output Board and Noise Considerations

RS-232 , RS-422 , RS-485 - Differences and Typical Applications

RS-232 Wiring and Connector Diagrams

Testing a PC's RS-232 Port - The "Loop-Back" Test

Scaling - Converting Current and Voltage Inputs To Engineering Units Such As PSI, GPM and LBS

Single-Ended vs Differential Inputs

Measuring a 4-20ma Input With a Voltage Input Device

Troubleshooting Thermocouple Input Devices

What is USB (Universal Serial Bus)

Workbench PC for DOS and Quicklog for DOS: Using the Serial Icon to Communicate With an RS-232 or RS-422 Device

WB-FAI, WB-AAI and WB-ASC: Problems with Pentium PCs

Workbench for Windows: Some typical installation and start-up problems and solutions

Workbench for Windows: DDE Output from WorkBench PC for Windows into Microsoft Excel

Workbench for Windows: Using the IEEE Icon