Connecting two pxi-2527 with NI Switch Executive

Hello world

I want to build a test equipment to measure the resistance of the wires. My stock of material contains two cards-MUX pxi-2527 and a pxi-4070 DMM. Each pxi-2527 is connected (via a TB-2627) of a cable harness of the 26 son (name of the harness "6YDA" and "6YDB", see photos).

The two beams is absolutely equal in the Assembly and naming (for example the sons are named from A to Z).

First of all, I want to set up a self test function. For this purpose an adapter was built to connect the two cables to driver.

The adapter connect cable A to the first harness with cable A second son, the first B b to the second and so on.

For the auto test, simply measure the resistance of adapted connections 26.

Now I tried to create a virtual device with roads and routegroups via Switch Executive and insert it in my LabView 2009 program.

But I m not sure if my virtual device is correct. (See pictures attached)

Unfortunately I have not found an example on the connection of two cards-MUX pxi-2527 together, I need your help.

I would be very happy to get help from you!

Thank you very much!

Greetings,

E Tec

Hi E-Tec,

Looks like you have already setup the roads and the routegroups in SwitchExecutive.  Now let's launch LabVIEW and make some magic; Some examples of code that will test each routegroup:

The first thing we need to do is log on to your virtual device:

Then, you must configure our DMM and call certain route groups:

I made many assumptions on what we are trying to accomplish.  My code does the following:

1. opening of the session for your named virtual device.

2. the opening of session for DMM... it has more parameters I have hidden for clarity.  See DMM examples in help"Find examples | "" Material input and output"modular instruments and devices" NOR-DMM ' unique measures ' measure resistance if you want to see the entire feature set.

3 close your RouteGroups one at a time, measurement of resistance, opens the Routegroup, then measure resistance again.  I put only the first 5 routegroups in this code.

Which should help you get started.  Sorry to expect if a long time keep .  Have a great day!

John Sullivan

Switch Product Support Engineer

National Instruments

Tags: NI Products

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