HIEE450880R1 LT 8979A-V1處理器卡件
如果模擬電源未丟失，并且在下一次通電時(shí)恢復(fù)了相同的配置，則信道狀態(tài)自斷電時(shí)起保持不變。默認(rèn)斜坡速率用于任何后續(xù)重新配置。PACSystems*RX3i系統(tǒng)手冊(cè)第12節(jié)GFK-2314T 2019年9月模擬輸出模塊477輸出默認(rèn)條件和動(dòng)作條件保持最后狀態(tài)或默認(rèn)值默認(rèn)斜坡率啟用輸出啟用和斜坡率啟用信道輸出設(shè)置（除非另有說明，否則假設(shè)存在場(chǎng)功率）。輸出啟用和無故障N/A N/A無輸出從參考存儲(chǔ)器轉(zhuǎn)到其命令值；默認(rèn)值不適用。N/A N/A是輸出以輸出啟用斜坡速率斜坡至參考存儲(chǔ)器的命令輸出。默認(rèn)值不適用。輸出禁用、故障模式或重新配置默認(rèn)值否N/A輸出設(shè)置為默認(rèn)值默認(rèn)值是N/A輸出以默認(rèn)斜坡速率斜坡至默認(rèn)值，從進(jìn)入模式前的最后一個(gè)命令值開始。保持最后狀態(tài)N/A N/A輸出保持在上電后背板功率損失或第一配置存儲(chǔ)的最后命令值，范圍類型具有不同的默認(rèn)設(shè)置。注：如果高量程工程單位等于高量程A/D單位，而低量程工程單位則等于低量程A/D單位時(shí)，則禁用縮放。默認(rèn)值=所選范圍類型的A/D上限。低量程值（工程單位）默認(rèn)值為所選量程類型的低A/D限值。必須低于高縮放值。高比例值（A/D單位）默認(rèn)值為所選范圍類型的高A/D限制。必須大于低縮放值。低量程值（A/D單位）默認(rèn)值為所選量程類型的低A/D限值。10.4.5.2.1輸出縮放默認(rèn)情況下，模塊將CPU的浮點(diǎn)值轉(zhuǎn)換為其配置范圍的整個(gè)范圍內(nèi)的電壓或電流輸出。例如，如果信道的范圍為4至20mA，則模塊接受4.000至20.000的信道輸出值。通過修改四個(gè)信道縮放參數(shù)（低/高縮放值參數(shù)）中的一個(gè)或多個(gè)，可以針對(duì)特定應(yīng)用更改縮放工程單位范圍。縮放始終是線性的，可以進(jìn)行逆縮放。所有報(bào)警值都適用于縮放的工程單位值，而不是A/D單位值?？s放參數(shù)僅設(shè)置
If analog power was not lost and the same configuration is restored on the next power-up, the channel state is unchanged from the time the power was lost. The Default Ramp Rate is used for any subsequent reconfiguration. PACSystems* RX3i System Manual Section 12 GFK-2314T Sept. 2019 Analog Output Modules 477 Output Default Conditions and Actions Condition Hold Last State or Default Value Default Ramp Rate Enabled Outputs Enabled and Ramp Rate Enabled Channel Output Setting (Except where indicated, field power is assumed to be present). Outputs Enabled and No Faults N/A N/A No Output goes to its commanded value from reference memory; defaults don’t apply. N/A N/A Yes Output is ramped to the commanded output from reference memory at the Outputs Enabled ramp rate. Defaults don’t apply. Outputs Disabled, Fault Mode, or Reconfiguration Default Value No N/A Output is set to the Default Value Default Value Yes N/A Output is ramped to the Default Value at the Default ramp rate, starting at the last commanded value before entering mode. Hold Last State N/A N/A Output is held at the last commanded value Loss of Backplane Power or First Configuration Store after Power-up Range Type have a different set of defaults. Note: Scaling is disabled if both High Scale Eng. Units equals High Scale A/D Units and Low Scale Eng. Units equals Low Scale A/D Units. Default = High A/D Limit of selected range type. Low Scale Value (Eng Units) Default is Low A/D Limit of selected range type. Must be lower than the high scaling value. High Scale Value (A/D Units) Default is High A/D Limit of selected range type. Must be greater than the low scaling value. Low Scale Value (A/D Units) Default is Low A/D Limit of selected range type. 10.4.5.2.1 Output Scaling By default, the module converts a floating-point value from the CPU into a voltage or current output over the entire span of its configured Range. For example, if the Range of a channel is 4 to 20mA, the module accepts channel output values from 4.000 to 20.000. By modifying one or more of the four channel scaling parameters (Low/High Scale Value parameters) from their defaults, the scaled Engineering Unit range can be changed for a specific application. Scaling is always linear and inverse scaling is possible. All alarm values apply to the scaled Engineering Units value, not to the A/D units value. The scaling parameters only set up the
