PXI-6511 -NI Digital I/O Module

Description

The National Instruments PXI-6511 (Part Number: 778967-01) is a 64-Channel, Bank-Isolated, Sink/Source Inputs, ±30 VDC PXI based Digital I/O Module. It has a digital input voltage range of -30 V to 30 V, and digital I/O logic levels of 24 V. This model is designed to be utilized as an industrial grade digital I/O interface with eight banks of completely isolated channels. If a software application or hardware (computer) related fault occurs, the PXI-6511 can use the integrated, digital I/O watchdogs to trigger switchover to a user-configured safe output state to ensure detection and recovery from fault conditions safely. In addition, the programmable input filters eliminate spikes and provide sufficient denouncing for digital relays/switches by means of a software-selectable digital filter. This module comes equipped with a high-density 100-pin keyed female SCSI connector that provides access to the digital inputs. The input lines on the National Instruments PXI-6511 consist of input photocouplers. These photocouplers react to both the voltage differential and voltage increase. With this module, the user can configure power-up states as required, ensuring device power-up in a predefined, known state. The user can have the power-up states defined simply by using the Measurement & Automation Explorer (MAX) tool. To eliminate glitches/spikes on the input lines, this model offers a digital filtering option. Filtering can also minimize the number of changes when it is used with the change detection feature. The PXI-6511 is run using the NIDAQmx driver software which can be programmed with software packages or application development environments (ADEs) such as LabVIEW or LabWindows/CVI. The NI PXI-6511 also allows the user to configure the digital I/O channels to pass across a digital filter stationed after the photocouplers. In addition, the user can define and control the timing interval the digital filter uses. The NI device weighs 4.8 oz, and measures 8.38 x 5.12 in. in physical dimensions. It has recommended operating and storage temperature ranges of 0 to 55 °C and –20 to 70 °C respectively, operating and storage humidity ranges of 10 to 90% and 5 to 95%, operating and non-operating random vibrations of 0.3 grms and 2.4 grms respectively–all at a frequency range of 5 to 500 Hz.

Analog input module is a device used to collect and process analog signals, which is usually composed of analog input circuit, analog-to-digital converter (ADC), filter and interface circuit. The analog input circuit is responsible for converting the external analog signal into a voltage or current signal, and then converting the analog signal into a digital signal through an analog-to-digital converter, and finally filtering and enhancing the signal through a filter, and finally output to a computer or other control equipment for processing and analysis. Working principle 1. Analog input circuit: The analog input circuit is a key part of the analog input module, which is mainly responsible for converting the external analog signal into a voltage or current signal. Common analog input circuits include resistance divider circuit, current voltage circuit and so on. The resistance divider circuit realizes the signal conversion through the series parallel combination of resistors, and the current voltage circuit realizes the signal conversion through the product of current and resistance. 2. Analog-to-digital converter (ADC) : The analog-to-digital converter is the core component in the analog input module, which is responsible for converting analog signals to digital signals. The analog-to-digital converter discretizes the input voltage or current into a series of digital values according to its magnitude, and converts the continuous analog signal into a discrete digital signal through a process of sampling and quantization. Common analog-to-digital converters include successive approximation analog-to-digital converters and integral analog-to-digital converters. 3. Filter: The filter is an important part of the analog input module, which is mainly used to filter and enhance the signal. The filter can improve the quality and stability of the signal by removing high-frequency noise and interference signals, thus improving the accuracy and reliability of subsequent processing. 4. Interface circuit: The interface circuit is the connection bridge between the analog input module and the computer or other control equipment, which is responsible for converting the digital signal into a form that the computer or other control equipment can recognize and process. Interface circuit usually adopts serial communication interface or parallel communication interface, and realizes data exchange and communication with computer or other control equipment through data line and control line.

Application field Analog input modules have a wide range of applications in industrial automation, such as: 1. Industrial production process monitoring: The analog input module can be used to monitor and collect analog signals such as temperature, pressure and flow in the production process, and feed back to the computer or other control equipment in real time for monitoring and regulation of the production process. 2. Environmental monitoring system: The analog input module can be used for the collection and processing of parameters such as temperature, humidity and gas concentration in the environmental monitoring system, so as to grasp the changes and anomalies of the environment in time. 3. Power system monitoring: The analog input module can be used for the acquisition and monitoring of voltage, current, power and other parameters in the power system in order to understand the operating status and load of the power system in real time. 4. Instrument testing: Analog input module can be used for analog signal acquisition and processing in instrument testing in order to evaluate and verify the performance and accuracy of instruments.

The company focuses on DCS, PLC, robot, large servo four systems

The main products are various modules/cards, controllers, touch screens, servo drivers Company advantage: Supply imported original products, professional production of spare parts One year warranty, fast delivery time, complete supply !！！ ① 24 hours email response (12 hours); ② For shipment outside Asia, please contact the seller.

National Instruments Related Products

【 Disclaimer 】 We sell new products and discontinued products, independent channels to buy such special products. Guizhou Yuanmiao Automation Equipment Co., Ltd. is not an authorized distributor, dealer or representative of the products featured on this website. All product names/product images, trademarks, brands and microlabels used on this Website are the property of their respective owners. Descriptions, depictions or sales of products with such names/images, trademarks, brands and logos are for identification purposes only and do not imply any association or authorization with any rights holder. This article is from the official website of Guizhou Yuanmiao Automation Equipment Co., LTD. Please attach this link:http://www.ymdcs.com/NationalInstruments/