Read Multiple counter input edges
Hey all,I have perfectly working vi (you can find it in attachments) where I am using two DAQmx Read (Counter 1D U32 1chan Nsamp).vi to read counter input edges of two terminals (PFI9, PFI10). Now I am...
View ArticleCharting Frequency Measurements Over Time
Hi, I'm new to this, and would like to know if my approach sounds reasonable and perhaps have some guidance in the execution. I want to build an application that will primarily allow me to plot...
View ArticleSynchronized CO Pulse generation
Hey all,I am generating a Pulse (Pulse 1) using CO-Pulse Generation-time in one of the PFI ports now I want to generate another Pulse (Pulse 2) which should change its state synchronized with every...
View ArticleDetermine phase difference using PCI6602 NI Card with NIDAQmx Driver in C...
Hello everyone,I have 2 frequencies. I want to determine its phase difference and want to check who is leading or lagging among both. For that, I am using PCI6602 NI Card with NIDAQmx driver and...
View Article585C Pulse Microwave Counter Part Question
I am working on a 585C pulse microwave counter and it has a seized up power switch will not turn on two questions as follows:1. Are there any technical data from the manufacture that shows disassembly...
View ArticleLM324N problem
Good day, guys! Today An LM324N microprocessor was unsoldered from an old board. It's a switch or something similar to a programmable chip. According to what I've read, the IC I have can be used to...
View ArticleMeasuring pulse width 3.3khz signal
So I'm trying to measure the inductance of a component by pairing it with a capacitor and exciting it for 100ns with 5v. This gives me a 3.3khz decaying sine wave that lasts roughly half a millisecond...
View ArticleAcquisition of signals through Encoder signal
Hello. I need to make a VI that acquires a signal from an encoder and decodes it, the output of this decoding must be binary. The VIs that are needed are: CI Angular Encoder, Counter DBL 1Samp and two...
View ArticlePython - Force same Clock between two different device
Hello to all of you, I have developed some small python codes allowing me to acquire signals.I transmit one pusle per second at a sampling frequency of 44100 Hz using a SCB68A box and I record in...
View ArticleClik here to view.
cRIO: FPGA loop running at twice the onboard clock speed
Hello, I have a pulse counting application using the NI cRIO 9053, which currently uses the onboard clock for timing (40 MHz): This works basically fine, but I am missing 80% of the pulses because they...
View Articlereading multiple (slow) rotary encoders
We a planning to control a large laboratory setup by LV. It is a "really wet" chemical process, with a lot of water and also some highly active solvents around. It should be possible to quickly react...
View ArticleClik here to view.
DAQmx Timing ( Sample clock ) error 200077
Hi,I continue to get this error when trying to setup a counter. I'm using the USB 6000 board. I'm trying to count the time between edges using the counter on channel 0. I have a finite number of...
View ArticleClik here to view.
Understanding Circuit Timing/Tolerance
AI, 0 - 100mVdc (5V common)Pressure Transducer (PT), Unit=PSI7 I am trying to understand why these values were used.why didnt they don't just use 0 mV25 mV75 mV100 mV why 0 mV25.3 mV75.6 mV100.9 mV...
View ArticleMean of 5 data at a time
Hi, I have a while loop where I collect data each seconds from a data acquisition system who is connected to my instrument. I would like to show in the front panel a means of 5 data which is the rate...
View ArticleCount rising edges of counter with Python
Hey there, I am trying to count the rising edges of an internal timer of our USB-6366 (X-Series) device with Python via nidaqmx.I found the following example to do that in the git repository...
View ArticleClik here to view.
NI 9401 counter setup
Hello All.Sorry for the simple question but I am at a loss.I am using NI 9401 on cDaq 9189.I am using the example code "Counter - Read Pulse Duty Cycle and Frequency (Continuous).vi" - attached to...
View ArticleOdd values reading rotary encoder
Compact RIO 9053 with 9411 ModulePython 3.9.5Wheel encoder: (The GKZ-1000 model) https://cdn.automationdirect.com/static/specs/encoderhd.pdfMy goal here is to determine distance travelled by the wheel...
View ArticleClik here to view.
How to create fraction of a tick delay in LabVIEW FPGA?
Hi I am trying to add more resolution to my counter by adding delays between counters . Using feedback nodes the best delay I can get using 40MHz internal clock is 25ns but I want to get delays much...
View Article6601 Support on Windows 11
Does anyone here know National Instruments plans for supporting hardware on Windows 11? I've got some PCI 6601 Counter/Timer boards, and some NI-PCI-GPIB boards that currently run on Windows 10 in the...
View Article