Using dmm to make readings.

I have a embedded controller pxi 8176 connecting several devices: DMM, DAQs, FG, etc. The DMM is connected to 3 SCXI 1127 modules starting on Slot 10 of a SCXI 1001 Chassis. I hooked a resistor in the terminal block in channel 9. Max see the devices. I need to make a simple resistance measurement before I can move on. Can I use a virtual channel? Also a simple example reading 5 channels would help. I'm using LV 7.0 on W2K machine. The drivers are from LV 7.1, so I can use DAQmx for the dmm.

You cannot use virtual channels with swith channels.
If you just want to read a single channel from an SCXI-1127, you can use examples that ships with NI-SWITCH and NI-DMM.
In the attached examples I combined: niSwitch Making Connection on a Switch.vi found in \Program Files\National Instruments\LabVIEW 7.0\examples\instr\niSwitch and a DMM examples Measuring Resistance (2 or 4 wire).vi found in C:\Program Files\National Instruments\LabVIEW 7.0\examples\instr\niDMM\Single Measurements.
You have to make sure you have a path from the SCXI-1127 to the DMM.
1) If you route your signal to the back of the SCXI-1127, you will need an HV8-BAN4 cable going from the back of the SCXI-1127 to the banana plugs on the front of the DMM. In the attac
hed program you will need to connect ch9 to com0 and com0 to ab0.
2) If your DMM is connected to screw terminals on the SCXI-1331 labeles OUT0+ and OUT0-, then in the attached program you only need to close ch9 to com0
For more info on signal names the NI Switches Help under Devices Overview>>SCXI-1127
If you are using the scanning examples mentionned by Jason make sure you are routing your triggers correctly so the switch advances to all the channels in the scan list. Use the references from Bryan to correctly connect your switch and DMM.
If the DMM controls the switch using the SH9MD cable the Measurement Complete from the DMM should be set to "External" and the Trigger input on the switch should be set to "rear connector"
Attachments:
Reading_single_channel_from_1127.vi ‏96 KB

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