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How do I read values from DI-718B data logger through ethernet with LabVIEW 2014?

Sep 11, 2015
Algie E. Morgan wrote
I have DI-718B data logger with ethernet connection and static IP address assigned. Data logger is receiving signals on three channels, all from Futek PFP 350 pressure sensors. I prefer to keep the software toolchain as simple as possible so would like to query DI-718B directly from my LabVIEW application without having to launch Windaq.

2 Answers
Sep 11, 2015
Ken agent wrote
If your LabView 2014 is 64 bit, it must be configured to generate 32-bit code to use the ActiveX controls described below. From 64-bit code it will be necessary to use undocumented unreleased drivers similar to those described on http://www.dataq.com/products/sdk-dot-net/dotnet-class.html.

On http://support.dataq.com/viewtopic.php?f=34&t=2643 download the DataqSDK example program. Use
DeviceDriver = DI670NT.DLL
DeviceID = xxx.xxx.xxx.xxx (static IP address)
In C:\Windows\Help\dataqxc.chm, double click "Reference Materials", and see topic "Converting Counts to Volts". To calibrate your sensors, run WinDaq, click in the margin to select each channel, and click Edit, EU Settings to calibrate your sensors, and click "Edit Channel Settings" to note the -FS value to use as Vmin and +FS value to use as Vmax.

For an alternate approach not supported by Dataq, see http://support.dataq.com/viewtopic.php?f=34&t=3509.
Sep 13, 2015
Algie E. Morgan wrote

Your reply was very helpful, it got me going in just a few minutes.