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Unexpected Relay Behavior on [c]FP-RLY-42x Modules When I write to one or more channels on a [c]FP-RLY-42x module, other channels on that module or adjacent modules exhibit unexpected behavior. Why is that? URL: http://digital.ni.com/public.nsf/allkb/246152C8859CE715862573C60070728F

Why Are There Yellow Triangles With Exclamation Marks by My FieldPoint Devices or by My VIs When I open my LabVIEW project I see yellow triangles with exclamation marks next to my FieldPoint Devices or my VIs. Why are these here? Can I get rid of them? URL: http://digital.ni.com/public.nsf/allkb/C767A8CC189E5F2B862573A600742C4D

Why Does my [c]FP-DO-400/401 Have Channels Stuck in the On Position? My [c]FP-DO-400/401 has channels stuck in the ON position, but the LED functions properly. The module only outputs a high voltage. What happened? How can I avoid this in the future? URL: http://digital.ni.com/public.nsf/allkb/C2CD6CC94089E477862573A60074DADF

[c]FP-PWM-520 Generates Incorrect Frequencies Why does my [c]FP-PWM-520 generate a frequency that is one-third of the expected value? URL: http://digital.ni.com/public.nsf/allkb/1FD9AF7525432D778625735400593807

[c]FP-SG-140 Returns Noisy or Fluctuating Measurements Problem: Why does my [c]FP-SG-140 return noisy or fluctuating measurements? Solution: National Instruments recently discovered that revision G and earlier FieldPoint and Compact FieldPoint [c]FP-SG-140 modules can exhibit abnormal fluctuation in their readings. URL: http://digital.ni.com/public.nsf/allkb/0461C1946084BA74862573530071BA4F

Why Do I Get Error 63 When Updating the Software on my FieldPoint? I am using the following software: LabVIEW Real-Time 6.X FieldPoint OS 9.X Why do I get error 63 when I attempt to update the OS or installed software? URL: http://digital.ni.com/public.nsf/allkb/80C1B751253C8F40862572CF000D36BE

Why Do My [c]FP-TC-120 Modules Keep Failing Calibration? I am using Calibration Executive to check the calibration of my [c]FP-TC-120 modules. Every time I run the test, all of my thermocouple modules fail the negative tolerance test. I found this suspicious, so I looked into the specifications. For the 20mV test, the pass/fail limit is +/-10uV but URL: http://digital.ni.com/public.nsf/allkb/2E444F0A014D4B95862572A30068CC27

How Can I Fix Error 32804 at FP Read VI? I create a LabVIEW Project in LabVIEW 8.0 or higher. Then I add a remote target to my project – Ethernet or Real-Time controller. I can see all my modules and all my channels. If I drag a channel from the project to the block diagram of a blank VI, LabVIEW generates FP Read VI code for me. I URL: http://digital.ni.com/public.nsf/allkb/550FCFD654086E6E8625720A0080F88E

MAX Error 56 When Communicating With a LabVIEW Real-Time Controller I receive Error 56 in Measurement and Automation Explorer (MAX) when I try communicating with my Real-Time controller. My controller is connected with a cross-over cable. The error occurs in one or more of the following URL: http://digital.ni.com/public.nsf/allkb/922DDC440FCB15048625719D006FCB97

Why Does My [c]FP-CTR-50x Module Miss Pulses? Why does my [c]FP-CTR-50x counter module fail to count the first few pulses of my source signal? URL: http://digital.ni.com/public.nsf/allkb/0053D93F4FDDD91B862571220075597E