BCU-02,BCU-12BCU-22是用于控制光纖鏈路上的轉(zhuǎn)換器的控制單元，它們包含集成的分支單元功能，用于收集和存情來(lái)自轉(zhuǎn)換模塊的實(shí)時(shí)數(shù)據(jù)，以幫助故跟蹤和分析。數(shù)據(jù)存儲(chǔ)在插入SD卡槽的SDHC存儲(chǔ)卡上，可供ABB服務(wù)人員分析，控制單元的光纖連接數(shù)不同:BCU類(lèi)型BCU-02bcu-12cu -22控制單元需要外接24V直流電源，它有三個(gè)可選的1/0擴(kuò)展插槽，編碼器和現(xiàn)場(chǎng)總線適配器，以及一個(gè)可移動(dòng)的存儲(chǔ)單元。例如，如果您需要更換控制單元，您可以通過(guò)將內(nèi)存單元從有缺陷的控制單元移動(dòng)到新的控制單元來(lái)保留參數(shù)設(shè)置，驅(qū)動(dòng)器到驅(qū)動(dòng)器鏈路XD2D)是一個(gè)菊花銷(xiāo)RS-485傳輸線，允許基本的主/從動(dòng)器與一個(gè)主和多個(gè)從動(dòng)器通信?？刂茊卧灿幸粋€(gè)選項(xiàng)插槽用于連接RDCO DDCS通信選項(xiàng)板，有關(guān)更多信息請(qǐng)參閱RDCO-0x DDCS通信選項(xiàng)模塊用戶手冊(cè)(3AFE64492209[英文])。
BCU-02
BCU-02 ABB 自動(dòng)化控制系統(tǒng)中一個(gè)特定位置所需的時(shí)間。相關(guān)的測(cè)量單位通常是十億分之一秒對(duì)于主存儲(chǔ)，毫秒用于二級(jí)存儲(chǔ)，以及第二用于三級(jí)存儲(chǔ)。將讀取等待時(shí)間和寫(xiě)入等待時(shí)間分開(kāi)(特別是對(duì)于非易失性存儲(chǔ)器)以及在順序存取存儲(chǔ)的情況下，最小、最大和平均等待時(shí)間是有意義的。從存儲(chǔ)器中讀取信息或向存儲(chǔ)器中寫(xiě)入信息的速率。在計(jì)算機(jī)數(shù)據(jù)存儲(chǔ)中，吞吐量通常用每秒兆字節(jié)(MB/s)來(lái)表示比特率也可以使用。與延遲一樣，可能需要區(qū)分讀取速率和寫(xiě)入速率。此外，順序訪問(wèn)介質(zhì)(而不是隨機(jī)訪問(wèn))通常會(huì)產(chǎn)生最大的吞吐量。存儲(chǔ)信息的緊湊性。它是介質(zhì)的存儲(chǔ)容量除以長(zhǎng)度、面積或體積的單位(如每平方英寸1.2兆字節(jié))。基于存儲(chǔ)在那里的(部分)內(nèi)容來(lái)選擇每個(gè)可單獨(dú)訪問(wèn)的信息單元。內(nèi)容尋址存儲(chǔ)可以使用軟件(計(jì)算機(jī)程序)或五金器具(計(jì)算機(jī)設(shè)備)，硬件速度更快，但價(jià)格更高。硬件內(nèi)容可尋址存儲(chǔ)器通常用于計(jì)算機(jī)的CPU緩存。
BCU-02
BCU-02 ABB 自動(dòng)化控制系統(tǒng)中一個(gè)特定位置所需的時(shí)間。相關(guān)的測(cè)量單位通常是十億分之一秒對(duì)于主存儲(chǔ)，毫秒用于二級(jí)存儲(chǔ)，以及第二用于三級(jí)存儲(chǔ)。將讀取等待時(shí)間和寫(xiě)入等待時(shí)間分開(kāi)(特別是對(duì)于非易失性存儲(chǔ)器)以及在順序存取存儲(chǔ)的情況下，最小、最大和平均等待時(shí)間是有意義的。從存儲(chǔ)器中讀取信息或向存儲(chǔ)器中寫(xiě)入信息的速率。在計(jì)算機(jī)數(shù)據(jù)存儲(chǔ)中，吞吐量通常用每秒兆字節(jié)(MB/s)來(lái)表示比特率也可以使用。與延遲一樣，可能需要區(qū)分讀取速率和寫(xiě)入速率。此外，順序訪問(wèn)介質(zhì)(而不是隨機(jī)訪問(wèn))通常會(huì)產(chǎn)生最大的吞吐量。存儲(chǔ)信息的緊湊性。它是介質(zhì)的存儲(chǔ)容量除以長(zhǎng)度、面積或體積的單位(如每平方英寸1.2兆字節(jié))?；诖鎯?chǔ)在那里的(部分)內(nèi)容來(lái)選擇每個(gè)可單獨(dú)訪問(wèn)的信息單元。內(nèi)容尋址存儲(chǔ)可以使用軟件(計(jì)算機(jī)程序)或五金器具(計(jì)算機(jī)設(shè)備)，硬件速度更快，但價(jià)格更高。硬件內(nèi)容可尋址存儲(chǔ)器通常用于計(jì)算機(jī)的CPU緩存。
BCU-02
BCU-02,BCU-12BCU-22 are control units for controlling converters on fiber optic links. They contain integrated branch unit functions for collecting and storing real-time data from conversion modules to aid in tracking and analysis. Data is stored on an SDHC memory card inserted into an SD card slot for analysis by ABB service personnel, the number of fiber connections of the control unit varies: the BCU type BCU-02BCU-12CU-22 control unit requires an external 24V DC power supply, it has three optional 1/0 expansion slots, encoder and fieldbus adapter, and the control unit is equipped with an external 24V DC power supply. And a removable storage unit. For example, if you need to replace the control unit, you can preserve the parameter Settings by moving the memory unit from the defective control unit to the new control unit, the drive to Drive link XD2D) is a Daisy pin RS-485 transmission line that allows the basic master/follower to communicate with one master and multiple followers. The control unit also has an option slot for connecting to the RDCO DDCS Communication palette, see the RDCO-0X DDCS Communication Options Module User Manual (3AFE64492209) for more information.
BCU-02 The time required for a specific location in ABB’s automated control system. The relevant units of measurement are typically billionths of a second for primary storage, milliseconds for secondary storage, and the second for tertiary storage. It makes sense to separate read and write wait times (especially for non-volatile memory) and in the case of sequential access storage, minimum, maximum, and average wait times. The rate at which information is read from or written to memory. In computer data storage, throughput is usually expressed in megabytes per second (MB/s) as the bit rate can also be used. As with latency, it may be necessary to distinguish between read and write rates. In addition, sequential access media (as opposed to random access) usually produces the greatest throughput. Compactness of stored information. It is a unit of storage capacity of a medium divided by its length, area, or volume (such as 1.2 megabytes per square inch). Each individually accessible unit of information is selected based on (part of) the content stored there. Content-addressed storage can use software (computer programs) or hardware (computer equipment), which is faster but more expensive. Hardware content addressable memory is commonly used in a computer’s CPU cache.
