DS200TCQBG1AG電路板RST溢出_廈門阿米控技術有限公司

產品標題:DS200TCQBG1AG電路板RST溢出

型號： DS200TCQBG1AG

品牌：GE

產品詳情資料：

應使用屏蔽電纜，僅屏蔽一端接地，以盡量減少噪聲影響。模擬輸出電路與模擬輸入電路和RTD電路隔離為一組。三個電路只能使用一個接地參考。相對於469接地，Transorbs將此隔離限制在±36 V。如果需要電壓輸出，則在SCADA測量裝置的輸入端連接負載電阻器。忽略輸入的輸入阻抗，Rload=V滿量程/Imax。例如，對於0至1 mA，如果要求5 V滿量程對應1 mA，則Rload=5 V/0.001 A=5000?. 對於4至20 mA，該電阻器的負載Rload=5 V/0.020 A=250?.

產品英文詳情資料：

Shielded cable should be used, with only one end of the shield grounded, to minimize noise effects. The analog output circuitry is isolated as a group with the Analog Input circuitry and the RTD circuitry. Only one ground reference should be used for the three circuits. Transorbs limit this isolation to ±36 V with respect to the 469 safety ground. If a voltage output is required, a burden resistor must be connected at the input of the SCADA measuring device. Ignoring the input impedance of the input, Rload = Vfull scale / Imax. For 0 to 1 mA, for example, if 5 V full scale is required to correspond to 1 mA, Rload = 5 V / 0.001 A = 5000 ?. For 4 to 20 mA, this resistor would be Rload = 5 V / 0.020 A = 250 ?.

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