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PLC可編程控制器模塊，DCS卡件，ESD系統(tǒng)卡件，振動(dòng)監(jiān)測(cè)系統(tǒng)卡件，汽輪機(jī)控制系統(tǒng)模塊，燃?xì)獍l(fā)電機(jī)備件等，優(yōu)勢(shì)品牌：Allen Bradley、BentlyNevada、ABB、Emerson Ovation、Honeywell DCS、Rockwell ICS Triplex、FOXBORO、Schneider PLC、GE Fanuc、Motorola、HIMA、TRICONEX、Prosoft等各種進(jìn)口工業(yè)零部件、歐美進(jìn)口模塊。
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GJR2367400R0100控制器驅(qū)動(dòng)板
B875-111模塊出廠時(shí)電壓范圍為1-5 V，0-4095輸出格式（標(biāo)準(zhǔn)），一個(gè)平均采樣，電壓輸入，8通道（B875-111）–即所有DIP開(kāi)關(guān)都向右。如有必要，重置模塊
配置開(kāi)關(guān)和基于應(yīng)用的五位DIP開(kāi)關(guān)安裝前的要求。
請(qǐng)參閱下面的模塊配置開(kāi)關(guān)圖示。
帶DIP開(kāi)關(guān)的模塊配置開(kāi)關(guān)
下圖顯示了模塊配置開(kāi)關(guān)和DIP開(kāi)關(guān)B875–111模塊的設(shè)置。
B875–111模擬輸入模塊、模塊配置開(kāi)關(guān)和DIP開(kāi)關(guān)settings提升輸出格式為原始二進(jìn)制輸出，計(jì)數(shù)為4096-8191。低于范圍為4095及以上范圍為8192。
全分辨率輸出格式提供了模塊的真實(shí)分辨率取決于輸入范圍。
z雙極輸入產(chǎn)生0001-14999計(jì)數(shù)的輸出
z單極輸入產(chǎn)生0001-7499計(jì)數(shù)的輸出
z單極和偏移輸入產(chǎn)生0001-5999計(jì)數(shù)的輸出在全分辨率格式中，2.4%的超出范圍值可以讀取到指定的模塊的準(zhǔn)確性?？梢杂眠@種方式閱讀。當(dāng)超出范圍時(shí)發(fā)生超出范圍的情況時(shí)，MSB（位16）設(shè)置為1。如果低于范圍發(fā)生第二個(gè)MSB（位15）也設(shè)置為1的情況。剩余的14位給出超出或低于范圍的金額的絕對(duì)值。例如，對(duì)于單極輸入如果輸出電壓為5.120伏，則將位16設(shè)置為1。其余輸出位等于120毫伏的原始二進(jìn)制表示。高于0.120的任何輸入此范圍內(nèi)的電壓將不在模塊的指定精度范圍內(nèi)。
十進(jìn)制輸出格式允許按比例輸出，以提供0001-9999個(gè)完整計(jì)數(shù)規(guī)模此格式并不表示模塊的真實(shí)分辨率。對(duì)于雙極型輸入-輸出按比例縮小，對(duì)于單極輸入，輸出按比例增大。這format還以與完整分辨率相同的方式報(bào)告超出范圍的值模式
注：對(duì)于單極和單極偏移圖像范圍，縮放過(guò)程1-9999輸出格式的較低分辨率輸出值將創(chuàng)建由于微控制器中數(shù)字的四舍五入，可能會(huì)丟失代碼。
注：當(dāng)向設(shè)備通電或復(fù)位后，模塊傳輸4000十六進(jìn)制，在其內(nèi)部重置期間，初始化時(shí)間直到有效數(shù)據(jù)準(zhǔn)備轉(zhuǎn)移。（4000十六進(jìn)制對(duì)應(yīng)第二個(gè)MSB=1，全部其他位=0）。
Analog Input, Module Configuration
The B875-111 module is shipped from the factory with the 1—5 V range with 0— 4095 output format (standard), one sample averaged, and voltage inputs, 8 channel (B875-111)–i.e., all DIP switches to the right. If necessary, reset the module configuration switch and the five-position DIP switch based upon the application requirements prior to installation. Refer to the illustration of the module configuration switch, below. Module Configuration Switch with DIP Switches The following illustration shows the module configuration switch and DIP switch settings for the B875–111 module. B875–111 analog input module, module configuration switch and DIP switch settings
Elevated output format is raw binary output
4096—8191 counts. Under range is 4095 and over range is 8192. Full resolution output format provides the true resolution of the module which depends on the input range. z Bipolar inputs produce an output of 0001—14,999 counts z Unipolar inputs produce an output of 0001—7499 counts z Unipolar and offset inputs produce an output of 0001—5999 counts In the full resolution format, out-of-range values of 2.4% may be read to the specified accuracy of the module. They can be read in this manner. When an out-of-range condition occurs which is over range the MSB (bit 16) is set to 1. If an under range occurs the second MSB (bit 15) is also set to 1. The remaining 14 bits give the absolute value of the amount over or under range. For example, for a unipolar input of 5.120 volts the output would have bit 16 set to 1. The remaining output bits equaling the raw binary representation of 120 millivolts. Any input above the 0.120 volts in this range willnot be within the specified accuracy of the module. Decimal output format allows scaled outputs to provide 0001—9999 counts full scale. This format does not indicate the true resolution of the module. For bipolar inputs the output is scaled down and for unipolar inputs the output is scaled up. This format also reports out-of-range values in the same manner as the full resolution mode. NOTE: For unipolar and unipolar with offset image ranges, the process of scaling the lower resolution output values to the 1—9999 output format creates the possibility of missing codes due to rounding off of numbers in the micro controller. NOTE: When applying power to the equipment, or after a reset, the module transfers 4000 Hexadecimal during its internal reset, and initialization time until valid data is ready to be transferred. (4000 Hexadecimal corresponds to the second MSB=1, all other bits=0).
