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