PXIE-6365 - NI Multifunction I/O Module

Description

The PXIe-6365 (Part Number: 783633-01) is an advanced Multifunction I/O Module from National Instruments with 72 differential analog input channels. The NI PXIe-6365 module can also offer 144 single-ended channels. This module has a built-in ADC with the resolution of 16 bits. There are different sample rates available for different modes of operation, such as 2 MS per second for a single channel and 1 MS per second for the multichannel mode of operation. The NI PXIe-6365 Multifunction I/O Module also implements DC input coupling. The NI PXIe-6365 Module weighs around 203 grams. The NI PXIe-6365 module has a CMRR value of 100 dB. The instrument exhibits amazing static characteristics. It comes with 24 static channels. The user can program each terminal. This module offers the flexibility to program each terminal as either an input or output. It also includes a ground reference. The typical value for pull-down resistance is 50 kilo-ohms. The NI PXIe-6365 Multifunction I/O Module has an input voltage protection scheme for the voltage range of ± 20 volts, up to two pins. The NI PXIe-6365 Multifunction I/O Module has a decent FIFO memory with the capability to store as many as 255 samples. The size for the output FIFO, on the other hand, is 2047 samples. It comes with the resolution of 32 bits. The instrument also offers a port or sample size of 8 bits for waveform generation. It makes use of port 0 for the generation of waves.

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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