USB-6525   |  隔離式數(shù)字I/OM模塊  |  PXI-8423  |  PXI-1031 |

　　型號(hào)：USB-6525

　　類別：隔離式數(shù)字I/OM模塊

　　品牌:NI

　　16通道、60V、8個(gè)固態(tài)繼電器、8路輸入、通道間隔離式數(shù)字I/O設(shè)備，

　　USB-6525是一款總線供電的工業(yè)USBIO設(shè)備，即使是最苛刻的應(yīng)用程序也能實(shí)現(xiàn)自動(dòng)化。固態(tài)繼電器輸出非常適合控制泵、閥門、電機(jī)和其他各種工業(yè)執(zhí)行器。USB-6525具有通道間隔離數(shù)字輸入，可用于從工業(yè)數(shù)字傳感器讀取數(shù)據(jù)，以及8個(gè)固態(tài)繼電器輸出，開關(guān)電壓為60 VDC/30Vmms，每通道最大開關(guān)電流為500mA。使用可編程上電狀態(tài)，您可以在軟件中配置初始輸出狀態(tài)，以確保連接到工業(yè)執(zhí)行器時(shí)無毛刺、安全運(yùn)行。

　　觸發(fā)和排序

　　NI USB-6525 系列 有 四 種 觸發(fā) 模式， 用于 控制 波形 生成 的 開始 和 停止 - 單 次 、 連續(xù) 、 步進(jìn) 和 突發(fā) 。通過這些觸發(fā)模式與NI USB-6525系列的鏈接和環(huán)路靈活性相結(jié)合，可以創(chuàng)建復(fù)雜的波形。借助 256 MB 的內(nèi)存配置，可以將超過 100 萬個(gè)波形存儲(chǔ)在內(nèi)存中，并以任意順序鏈接。每個(gè)波形段最多可以循環(huán) 16,777,216 次或無限期循環(huán)。可 從 軟件 以及 前 面板 連接器 、 PXI 觸發(fā) 線、 PXI 星形 觸發(fā) 或 RTSI 總線 接收 觸發(fā) 信號(hào)。

　　LVDS 數(shù)字碼型輸出

　　除了 生成 模擬 信號(hào) 外，USB-6525系列 的 32 和 256 MB 配置 還 可以 生成 低壓 差分 信號(hào) (LVDS) 數(shù)字 碼 型。LVDS因其降低功耗、降低電磁干擾和抗噪聲等特點(diǎn)，越來越多地用于數(shù)字信號(hào)傳輸。在數(shù)字?jǐn)?shù)據(jù)和控制 (DDC) 前面板連接器上生成的數(shù)字碼型與正在生成的模擬波形相對應(yīng)，并利用所有鏈接、環(huán)路、觸發(fā)和定時(shí)功能。DDC I/O 連接器上還提供采樣時(shí)鐘，以鎖存數(shù)字碼型?；蛘?，用戶可以通過DDC前面板連接器對NI USB-6525系列進(jìn)行外部時(shí)鐘。NI 數(shù)字 波形 編輯 器 可 作為 附加 軟件 包 提供 ， 為 創(chuàng)建 LVDS 數(shù)字 模式 提供 更多 功能。

　　Model: USB-6525

　　Category: Isolated digital I/OM module

　　Brand :NI

　　16 channels, 60V, 8 solid-state relays, 8 inputs, isolated digital I/O devices between channels,

　　The USB-6525 is a bus-powered industrial USBIO device that automates even the most demanding applications. Solid state relay outputs are ideal for controlling pumps, valves, motors, and a variety of other industrial actuators. The USB-6525 features interchannel isolated digital inputs that can be used to read data from industrial digital sensors, as well as eight solid-state relay outputs with a switching voltage of 60 VDC/30Vmms and a maximum switching current of 500mA per channel. With programmable power-on states, you can configure the initial output state in the software to ensure burr free and safe operation when connected to industrial actuators.

　　Trigger and sort

　　The NI USB-6525 series has four trigger modes to control the start and stop of waveform generation - single, continuous, step and burst. By combining these trigger modes with the link and loop flexibility of the NI USB-6525 series, complex waveforms can be created. With a memory configuration of 256 MB, more than 1 million waveforms can be stored in memory and linked in any order. Each waveform segment can cycle up to 16,777,216 times or indefinitely. Trigger signals can be received from the software as well as from the front panel connector, PXI trigger wire, PXI star trigger, or RTSI bus.

　　LVDS digital code type output

　　In addition to generating analog signals, the 32 and 256 MB configurations of the USB-6525 series can also generate low-voltage differential signal (LVDS) digital code types. LVDS is increasingly used in digital signal transmission because of its characteristics of reducing power consumption, reducing electromagnetic interference and anti-noise. The digital code pattern generated on the digital Data and Control (DDC) front panel connector corresponds to the analog waveform being generated and utilizes all link, loop, trigger and timing functions. A sampling clock is also provided on the DDC I/O connector to latch the digital code type. Alternatively, users can clock the NI USB-6525 series externally via the DDC front panel connector. The NI Digital Waveform editor is available as an add-on software package that provides additional functionality for creating LVDS digital patterns.

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