UNC4674B HIEE305089R0001 | ABB I/O interface card

Description

General Information

Product ID:HIEE305089R0001

Catalog Description:UNC 4674B:I/O Interface Card

Country of Origin:Switzerland (CH)

Frame Size:Undefined

Gross Weight:0 kg

Invoice Description:UNC 4674B:I/O Interface Card

Made To Order:No

Minimum Order Quantity:1 piece

Order Multiple:1 piece

Package Level 1 Gross Weight:0 kg

Package Level 1 Units:1 piece

Part Type:New

Product Name:-

Product Net Depth / Length:480 mm

Product Net Height:80 mm

Product Net Weight:0.9 kg

Product Net Width:180 mm

Product Type:Undefined

I/O (Input/Output), or input/output, usually refers to the input and output of data between internal memory and external memory or other peripheral devices. Input/Output (I/O) is the communication between an information processing system (such as a calculator) and the outside world (possibly a human or another information processing system). The input is the signal or data received by the system, and the output is the signal or data sent from it. The term can also be used as part of an action; To "run I/O" is to run an input or output operation. An input/output device is a part of the hardware that is used by a person (or other system) to communicate with the calculator. For example, the keyboard or mouse is the input device to the calculator, while the monitor and printer are the output device. Communication devices between calculators, such as telecommunications modems and network cards, typically run input and output operations. The function of the I/O interface is responsible for the CPU through the system bus to connect the I/O circuit and peripheral devices together, according to the complexity of the circuit and equipment, the hardware of the I/O interface is mainly divided into two categories: (1) I/O interface chip Most of these chips are integrated circuits, input different commands and parameters through the CPU, and control the related I/O circuits and simple peripherals for corresponding operations, common interface chips such as timing counters, interrupt controllers, DMA controllers, parallel interfaces, etc. (2) I/O interface control card A number of integrated circuits are composed into a component according to a certain logic, or directly with the CPU on the motherboard, or a plug-in is inserted into the system bus slot. According to the connection object of the interface, they can be divided into serial interface, parallel interface, keyboard interface and disk interface.

Due to the wide variety of peripheral devices of the computer, almost all use electromechanical transmission equipment, so the CPU has the following problems when exchanging data with the I/O device: Speed mismatch: I/O devices work much slower than cpus, and because of the different types, the speed difference between them is also very large, for example, the transfer speed of hard disks is much faster than that of printers. Timing mismatch: Each I/O device has its own timing control circuit, transmitting data at its own speed, and cannot be unified with the CPU timing. Information format mismatch: Different I/O devices store and process information in different formats, such as serial and parallel. It can also be divided into binary format, ASCII encoding and BCD encoding. Information type mismatch: Different I/O devices use different signal types, some are digital signals, and some are analog signals, so the processing methods are different. For the above reasons, the data exchange between the CPU and peripherals must be done through the interface, which usually has the following functions: (1) Set the data storage, buffer logic to adapt to the speed difference between the CPU and peripherals, the interface is usually composed of some registers or RAM chips, if the chip is large enough can also achieve batch data transmission; (2) The ability to convert information formats, such as serial and parallel conversion; (3) Able to coordinate the difference between the CPU and peripherals in the type and level of information, such as level conversion drivers, digital-to-analog or analog-to-digital converters; (4) Coordination timing differences; (5) Address decoding and device selection functions; (6) Set up interrupt and DMA control logic to ensure that interrupt and DMA request signals are generated when the interrupt and DMA permit, and interrupt processing and DMA transmission are completed after receiving the interrupt and DMA reply.

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.

ABB 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/ABB/