電(dian)(dian)(dian)(dian)(dian)(dian)子電(dian)(dian)(dian)(dian)(dian)(dian)位(wei)器 T7900 通(tong)常用(yong)作(zuo)增減觸點(dian)與需要通(tong)過電(dian)(dian)(dian)(dian)(dian)(dian)壓或電(dian)(dian)(dian)(dian)(dian)(dian)流信號進行控(kong)(kong)制(zhi)(zhi)(zhi)/調整的(de)(de)設備(bei)（例(li)如(ru)電(dian)(dian)(dian)(dian)(dian)(dian)子速(su)度控(kong)(kong)制(zhi)(zhi)(zhi)器）之間的(de)(de)接(jie)(jie)口(kou)。T7900 電(dian)(dian)(dian)(dian)(dian)(dian)子電(dian)(dian)(dian)(dian)(dian)(dian)位(wei)器通(tong)常用(yong)作(zuo)提(ti)供增加/減少觸點(dian)信號的(de)(de)單元(yuan)與由模(mo)擬電(dian)(dian)(dian)(dian)(dian)(dian)壓或電(dian)(dian)(dian)(dian)(dian)(dian)流信號控(kong)(kong)制(zhi)(zhi)(zhi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)子調速(su)器或電(dian)(dian)(dian)(dian)(dian)(dian)壓調節器 (AVR) 之間的(de)(de)接(jie)(jie)口(kou)。T7900 的(de)(de)工作(zuo)原理很像傳統的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)動電(dian)(dian)(dian)(dian)(dian)(dian)位(wei)器（例(li)如(ru) SELCO E7800）；然(ran)而，T7900 不是(shi)可變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)，而是(shi)提(ti)供可變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)壓（例(li)如(ru) -5 至(zhi) +5 VDC）、電(dian)(dian)(dian)(dian)(dian)(dian)流（例(li)如(ru) 4-20 mA）或脈寬調制(zhi)(zhi)(zhi)信號 (PWM)。電(dian)(dian)(dian)(dian)(dian)(dian)壓和電(dian)(dian)(dian)(dian)(dian)(dian)流范圍是(shi)可編程的(de)(de)。PWM 輸(shu)出提(ti)供具有可編程占空比(bi)的(de)(de) 500 Hz 信號。模(mo)擬輸(shu)出是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)隔(ge)離的(de)(de)。

帶(dai)電(dian)壓、電(dian)流或 PWM 輸出的電(dian)子電(dian)位器

多種輸出范圍選擇

隔離輸出

可調斜坡時間

2 個 LED 指(zhi)示(shi)“增(zeng)加”和“減少(shao)”

預(yu)設按鈕定義輸出參考

用于與電網并(bing)聯運行的(de)發(fa)電機的(de)可編程功率參考單元(yuan)

測試前 50 小時老化

阻燃外殼