Digital Filter Minimum Pulse Width for CO Arm Start Trigger on USB-6212
Hi All, I'm trying to use the digital filter to overcome a noise problem that is causing "false" Arm Start Triggers on my counter output task, using DAQmxSetDigEdgeArmStartTrigDigFltrMinPulseWidth....
View Article9361 counter differential input
I want to use the differential input capability of the 9361 counter for an angular encoder application that has noise issues. The manual shows that the digital input circuitry has a switch that can be...
View ArticleCan the NI 9361 Single-Ended threshold be set per channel?
Can the NI 9361 Single-Ended threshold be set per channel? I would really like it if it could but it looks like it is one setting for whole module. Is this correct?
View ArticleNI9401 et règle incrémentale
Bonjour,J'utilise un module NI-9401 sur un cDAQ-9189 en position 5 pour mesurer un signal d'une règle linéaire (Heidenhain).J'ai effectué le câblage comme indiqué dans l'aide :...
View ArticleNiDaqmx python read counter on usb-6003
Dear allI try to use usb-6003 get counter from Signal GeneratorI use python and NiDaqmx , but i don't know how to use NiDaqmx functionI use the NiDaqmx sample can read AI0 ~ AI9But i can't read...
View ArticleNI9401 and linear encoder
Hi,We use NI-9401 module on cDAQ-9189 device in slot 5 to measure a linear encoder (Heidenhain).I used the drawing design specified there : http://www.ni.com/tutorial/7109/fr/Under NIMAX, I have...
View ArticleSynchronizing Counter Reading with Digital output pulse
Hey all,I am developing a VI in which I have to synchronize the reading of the counter with the Digital output pulse which is used for other purpose (I need to know the value of the counter after each...
View ArticleCountdown Timer with date and time target with a pause loop
Does anyone know how to make a countdown timer that will be able to select anything from seconds to years but it must also have the ability to pause and recalculate the end time?
View ArticleUsing Counter/Clock without LabVIEW
I have a cDAQ-9174. I need to record RPM of a motor shaft using a standard pulse on/off retroreflective sensor. Am I able to access the counter/clock that's on the cDAQ without LabVIEW (my company...
View ArticleUSB 6361 Counter Output Voltage
I would like to output a continuous pulse signal with a voltage of 5V.Currently on my oscilloscope I am only seeing approximately 2V.My code in C++ goes like...
View ArticlecFP-XX-XXX
I have a VI wchich generated an square signal output of 1kHz, which cFP should I use to output that signal ??I´ve tried with cFP D0-403 but after 50Hz it becomes inaccurate
View ArticleCounter square wave generation frequency not accurate
Hi NI community, I'm using a usb-6351 daq card generate tunable frequency square wave. I wanted to generate square waves in the range of 10-1000Hz. I'm using the 100kHz time base and toggle mode of...
View ArticleGet channel name from counter task
Hi,I currently created a DAQmx task for 2 counters on a cDAQ-9185 with NI 9631. I used the task in my VI and it works, but I would like to recover the channel name I created (FREQ0/FREQ1) like I do for...
View ArticleFrequency Measurements with PXI-6289
Hello,I need to measure frequency of 5 separate devices with the PXI-6289. On the pinout guide it says " As an input, each PFI terminal can be used to supply an external source for AI, AO, DI, and DO...
View ArticleHW divider from encoders
Dear all, can I ask you for help with programming in Labview? I need to trigger the measuring of somematerial properties according to the position in space. The position of probe is measuredby the...
View ArticleHow to use USB-6501 to generate a stable pulse wave?
My teacher only gave me a USB-6501, but he asked me to measure a positive square wave and nine negative square waves. I think as long as a stable pulse wave with a duty cycle equal to 10% is...
View ArticleDAQmx and State Machine
Hey all,I am developing a State Machine in which I need to run four different tasks1. Generating a Analog Output Voltage2. Generating a Digital Output3. Generating a Continious Digital Train pulse...
View ArticleRunning a counter in actual time (seconds) with varying values (including...
Hello everyone. I am making a program in which a counter starts from 5 and goes to 0 and then a LED light gives an indication by turning on. After that a random event occurs whose value is added to or...
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