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NXPP-06C適配器主板
CM-IWS。2用于監(jiān)測(cè)在純IT交流系統(tǒng)中符合IEC 61557-8。
測(cè)量的是系統(tǒng)線路之間的絕緣電阻和系統(tǒng)接地。當(dāng)?shù)陀诳烧{(diào)值時(shí)閾值，輸出繼電器切換到故障狀態(tài)
狀態(tài)使用CM-IWS。2疊加直流測(cè)量信號(hào)為用于測(cè)量。根據(jù)疊加的直流測(cè)量電壓及其合成電流
待測(cè)系統(tǒng)的絕緣電阻為計(jì)算特點(diǎn)：
–電源電壓24-240 V AC/DC
–輸出1 c/o（15-16/18），閉路原理可通過控制輸入配置故障存儲(chǔ)/閉鎖
–測(cè)試：正面按鈕或控制輸入（S1-S3）
–重置：正面按鈕或控制輸入（S2-S3）
–測(cè)量輸入L–PE，外部電壓高達(dá)400伏交流電
–測(cè)量范圍：1-100 kΩCM-IWS。1和CM-IWN。1個(gè)用于監(jiān)測(cè)絕緣接地電阻符合IEC 61557-8IT交流或直流系統(tǒng)。測(cè)量的是絕緣電阻系統(tǒng)線路和系統(tǒng)接地之間。墜落時(shí)低于可調(diào)閾值時(shí)，輸出繼電器切換到故障狀態(tài)。使用CM-IWS。1和CM-IWN.1將脈動(dòng)測(cè)量信號(hào)輸入系統(tǒng)監(jiān)測(cè)并計(jì)算絕緣電阻。
特點(diǎn)：–電源電壓24-240 V AC/DC
–輸出1 c/o（15-16/18）
–閉路原理
–可通過控制輸入配置故障存儲(chǔ)/閉鎖
–測(cè)量電路中的斷線檢測(cè)
–測(cè)試：正面按鈕或控制輸入（S1-S3）
–重置：正面按鈕或控制輸入（S2-S3）
–測(cè)量輸入L–PE，外部電壓高達(dá)250 V AC和300 V DC
–測(cè)量范圍：1-100 kΩ
來自CM-IWS的脈動(dòng)測(cè)量信號(hào)。1和CM-IWN公司。1根據(jù)絕緣改變其形式電阻和系統(tǒng)泄漏電容。從此處開始絕緣電阻的變化預(yù)測(cè)當(dāng)預(yù)測(cè)絕緣電阻對(duì)應(yīng)于在下一個(gè)測(cè)量周期中計(jì)算的絕緣電阻小于設(shè)定的閾值，輸出繼電器被激活或停用，具體取決于在設(shè)備配置上。此測(cè)量原理是也適用于對(duì)稱絕緣的檢測(cè)故障。
特點(diǎn)：
–電源電壓24-240 V AC/DC
–輸出1 x 2 c/o或2 x 1 c/o（15-16/18、25-26/28）
–開路或閉路原理可選
–可通過控制輸入配置故障存儲(chǔ)/閉鎖
–可配置非易失性故障存儲(chǔ)
–兩個(gè)閾值（預(yù)警）和最終關(guān)閉
可配置的
–可配置測(cè)量電路中的中斷線檢測(cè)
–測(cè)試：正面按鈕或控制輸入（S1-S3）
–重置：正面按鈕或控制輸入（S2-S3）
–測(cè)量輸入L–PE，外部電壓高達(dá)400 V AC和600 V DC
–測(cè)量范圍：1-100 kΩ，2-200 kΩ
-連接至電壓高達(dá)690 V AC和1000 V DC CM-IVN
The CM-IWS.2
is used to monitor insulation resistance in accordance with IEC 61557-8 in pure IT AC systems. Measured are insulation resistances between system lines and system earth. When falling below the adjustable threshold values, the output relays switch into the fault state. With CM-IWS.2 a superimposed DC measuring signal is used for measurement. From the superimposed DC measuring voltage and its resultant current the value of the insulation resistance of the system to be measured is calculated. Characteristics: – Supply voltage 24-240 V AC/DC – Output 1 c/o (15-16/18), closed circuit principle – Fault storage / latching configurable by control input – Test: front face button or control input (S1-S3) – Reset: front face button or control input (S2-S3) – Measuring input L – PE with external voltages up to 400 V AC – Measuring range: 1-100 kΩ
The CM-IWS.1 and CM-IWN.1
serve to monitor insulation resistance in accordance with IEC 61557-8 in unearthed IT AC or DC systems. Measured are insulation resistances between system lines and system earth. When falling below the adjustable threshold values, the output relays switch into the fault state. With CM-IWS.1 und CM-IWN.1 a pulsating measuring signal is fed into the system to be monitored and the insulation resistance calculated. Characteristics: – Supply voltage 24-240 V AC/DC – Output 1 c/o (15-16/18) – Closed circuit principle – Fault storage / latching configurable by control input – Broken wire detection in measuring circuit – Test: front face button or control input (S1-S3) – Reset: front face button or control input (S2-S3) – Measuring input L – PE with external voltages up to 250 V AC and 300 V DC – Measuring range: 1-100 kΩ
The pulsating measuring signal
from CM-IWS.1 and CM-IWN.1 alters its form in dependence of the insulation resistance and the system leakage capacitance. From this altered form the change in the insulation resistance is forecast. When the forecast insulation resistance corresponds to the insulation resistance calculated in the next measurement cycle and is smaller than the set threshold value, the output relays are activated or deactivated, depending on the device configuration. This measuring principle is also suitable for the detection of symmetrical insulation faults. Characteristics: – Supply voltage 24-240 V AC/DC – Output 1 x 2 c/o or 2 x 1 c/o (15-16/18, 25-26/28) – Open or closed circuit principle selectable – Fault storage / latching configurable by control input – Non volatile failure storage configurable – Two threshold values (pre-warning) and final switch off configurable – Interrupted wire detection in measuring circuit configurable – Test: front face button or control input (S1-S3) – Reset: front face button or control input (S2-S3) – Measuring input L – PE with external voltages up to 400 V AC and 600 V DC – Measuring range: 1-100 kΩ, 2-200 kΩ – Coupling unit for connection to systems with voltages up to 690 V AC and 1000 V DC CM-IVN
