產(chǎn)品詳細(xì)資料
為了為測(cè)試和校準(zhǔn)雙極范圍提供正參考和負(fù)參考，CAL TEST電壓被路由到自檢多路復(fù)用器的HIGH（非反相）和LOW（反相）輸入端。3.9.4增益自動(dòng)校準(zhǔn)如圖3.9.4-1所示，通過(guò)調(diào)整ADC的參考輸入實(shí)現(xiàn)增益自動(dòng)校準(zhǔn)。12位自動(dòng)增益DAC的輸出被偏置和衰減，以產(chǎn)生±1.2%的增益調(diào)整范圍，對(duì)應(yīng)于每個(gè)DAC LSB 0.0006%的調(diào)整分辨率。增益DAC的控制數(shù)據(jù)被寫入位于VMIVME-3111分配的地址空間中的相對(duì)地址0A（HEX）處的16位“僅寫”寄存器中，為12位，右對(duì)齊。3.9.5零自動(dòng)校準(zhǔn)在任何高增益、直接耦合的信號(hào)路徑中，輸入端的零偏移誤差與路徑增益相乘，因此可能產(chǎn)生較大的輸出誤差。因此，VMIVME-3111中的零自動(dòng)校準(zhǔn)在可編程增益放大器（PGA）的輸入端執(zhí)行。
To provide both positive and negative references for testing and calibrating bipolar ranges, the CAL TEST voltage is routed to both the HIGH (noninverting) and LOW (inverting) inputs of the self-test multiplexer. 3.9.4 Gain Autocalibration As shown in Figure 3.9.4-1, gain autocalibration is implemented by adjusting the reference input of the ADC. The output of the 12-bit autogain DAC is offset and attenuated to produce a gain adjustment range of ±1.2 percent which corresponds to an adjustment resolution of 0.0006 percent per DAC LSB. Control data for the gain DAC is written as 12 bits, right-justified, into a 16-bit WRITE ONLY register located at relative address 0A (HEX) in the VMIVME-3111 assigned address space. 3.9.5 Zero Autocalibration In any high-gain, direct coupled, signal path, zero offset errors at the input are multiplied by the path gain and can, therefore, produce large output errors. For this reason, zero autocalibration in the VMIVME-3111 is performed at the input to the Programmable Gain Amplifier (PGA).
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●使用前:

在操作和維護(hù)，安裝設(shè)備之前，請(qǐng)閱讀并嚴(yán)格遵守安全相關(guān)的信息。

Read and strictly follow safety-related information before operatingmaintainingand installing equipment.

●使用者要求:

必須從事安裝，組裝或維護(hù)設(shè)備等相關(guān)工控電氣機(jī)械以及其他相關(guān)技術(shù)的人員。

Must be engaged in the installation,assembly or maintenance of equipment and other related industriacontroeectrica machinery and other related technica personne.應(yīng)用范圍:

應(yīng)用于品牌本系列工業(yè)以及生產(chǎn)生活自動(dòng)化設(shè)備產(chǎn)品。

Used in the brand of this series of industriaand production automation eauipment products

適用于場(chǎng)景:系統(tǒng)集成，非標(biāo)定制，產(chǎn)線升級(jí)改造，原設(shè)備電氣替換等等。

Suitable for scenarios:system integration,non-standard customizationproduction line upgrading and transformation,electrical replacement of original equipment,etc.

●操作人員:

應(yīng)該由本品牌專業(yè)培訓(xùn)操作員來(lái)安裝、操作和維修設(shè)備。專業(yè)人員具有技術(shù)能力強(qiáng)，熟悉安全信息和安全實(shí)施:

熟悉設(shè)備的安裝加工、操作和維護(hù):熟悉處理所有的潛在危險(xiǎn)情況。

Equipment should be installed,operated and maintained by trained operators from the brand

●危險(xiǎn)情況

警告

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Study the product instruction manual thoroughlyotherwise it may cause personal danger to non-professionals.

●服務(wù)行業(yè)

適用水泥，木業(yè)，石業(yè)，橡膠，石油，化工，發(fā)電，環(huán)保，水處理，制冷，交通，鋼鐵，食品，飲料，船舶，制冷等行業(yè)

Applicable to cementwood,stone,rubber,petroleumchemical, power generation