PXIE-5413 - NI Waveform Generator

Description

With the PXIe-5413 (Part Numbers: 784181-01 and 785114-01) Waveform Generator, users can generate arbitrary waveforms that are user-defined. With the fractional re-sampling method, the NI PXIe-5413 can accurately create waveforms by using data sequences or by carrying out continuous streaming from a host-to-peer or peer-to-peer instrument within the PXI system. This Waveform Generator has advanced synchronization options, which makes it ideal in the testing of semiconductor devices, consumer electronics, automotive, and aerospace/defense. The NI PXIe 5413 supports frequencies up to 20 MHz. The step response rise time is measured at 14.8 ns. This PXI Waveform Generator features a clock, PFI I/O, triggers, and markers. The arbitrary waveform size is from 2 samples to 64,000,000 samples. The user sample rate when digital filter is enabled and disabled are 5.6 µS/s to 200 MS/s and 3.125 MS/s to 200 MS/s respectively. The NI PXIe-5413’s frequency step size is 2.84 µHz and it has 8,192 waveform points. The reference clock frequency for the PXIe 5413 PXI Waveform Generator is 100 MHz (<±25 ppm) and the sample clock rate is 800 MHz. This model has a PFI I/O frequency range from 0 MHz to 25 MHz and a maximum input voltage of +5 V. The operating shock for the NI PXIe-5413 is 30 g peak, half-sine, 11 ms pulse. The random vibration while operating is 5 Hz to 500 Hz and 0.3 grms. However, the random vibration while not operating is 5 Hz to 500 Hz, and 2.4 grms.

One: PLC analog input module (analog input module), also known as A/D module, converts the continuous analog signal generated by the sensor detection in the field into the digital quantity that the PLC CPU can receive, generally 12-bit binary number, the more digital quantity modules, the higher the resolution. Two: PLC analog output module. The analog output module, also known as D/A module, converts the digital quantity sent by the PLC CPU to the analog output module into the analog quantity (voltage or current) that can be received by the external device. The digital signal received by the analog output module is generally 12-bit binary number, and the more digital quantity modules, the higher the resolution. The digital module is to detect the state of the external switching input. Three: Digital input and output signal is the switching signal, 0 or 1, analog signal, there are two, voltage or current signal, generally the signal transmitted by the transmitter, such as the pressure transformer to detect the pressure of the water pipe, it will output an analog signal 4-20ma or 0-10V signal to the PLC, PLC for data processing, This is the difference between a digital input module and an analog input module.

In the input sampling phase, the PLC successively reads all input status and data by scanning and stores them in the corresponding cell in the I/O image area. After the end of the input sampling, the user program execution and output refresh phase. In both phases, even if the input state and data change, the state and data of the corresponding unit in the I/O map area will not change. Therefore, if the input is a pulse signal, the width of the pulse signal must be greater than one scan cycle to ensure that the input can be read in any case. The acquisition of the switching quantity is realized through the PLC input module, which is generally a DC 24V input. The PLC provides a common point, positive or negative, and then the common point is connected to the limit switch and other devices. When the limit is closed, the path is formed and the signal is introduced into the PLC input point. Specifically why the input point to power inside the state is on, is the function of PLC itself, you do not need to tube. Through the analog module, A/D (analog/digital) module, the external weight signal, temperature signal, pressure signal can be introduced, A/D module can accept the signal is 0-10V, 0-5V, -5-5V voltage signal and 0-20MA, 4-20MA current signal. If the signal obtained by the terminal acquisition module is not these standard signals, but also through the transmitter conversion, after the standard signal enters the A/D module, it will be converted by A/D into a number, the specific range is different PLC is not the same, these converted digital quantities, can be used by the program, conversion, processing, and finally get the required data displayed.

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