電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)電(dian)(dian)(dian)(dian)(dian)位器(qi)(qi) T7900 通常(chang)用作增(zeng)減(jian)觸點與(yu)需(xu)要(yao)通過電(dian)(dian)(dian)(dian)(dian)壓或電(dian)(dian)(dian)(dian)(dian)流(liu)信號(hao)進行控(kong)制(zhi)/調整的(de)(de)(de)設備（例如電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)速(su)度控(kong)制(zhi)器(qi)(qi)）之間的(de)(de)(de)接(jie)口(kou)。T7900 電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)電(dian)(dian)(dian)(dian)(dian)位器(qi)(qi)通常(chang)用作提供增(zeng)加/減(jian)少(shao)觸點信號(hao)的(de)(de)(de)單元與(yu)由模(mo)擬(ni)電(dian)(dian)(dian)(dian)(dian)壓或電(dian)(dian)(dian)(dian)(dian)流(liu)信號(hao)控(kong)制(zhi)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)調速(su)器(qi)(qi)或電(dian)(dian)(dian)(dian)(dian)壓調節器(qi)(qi) (AVR) 之間的(de)(de)(de)接(jie)口(kou)。T7900 的(de)(de)(de)工作原理很像傳統的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)動電(dian)(dian)(dian)(dian)(dian)位器(qi)(qi)（例如 SELCO E7800）；然而(er)，T7900 不是(shi)可(ke)變電(dian)(dian)(dian)(dian)(dian)阻，而(er)是(shi)提供可(ke)變電(dian)(dian)(dian)(dian)(dian)壓（例如 -5 至 +5 VDC）、電(dian)(dian)(dian)(dian)(dian)流(liu)（例如 4-20 mA）或脈寬調制(zhi)信號(hao) (PWM)。電(dian)(dian)(dian)(dian)(dian)壓和電(dian)(dian)(dian)(dian)(dian)流(liu)范圍是(shi)可(ke)編程的(de)(de)(de)。PWM 輸出提供具有可(ke)編程占空比的(de)(de)(de) 500 Hz 信號(hao)。模(mo)擬(ni)輸出是(shi)電(dian)(dian)(dian)(dian)(dian)隔離的(de)(de)(de)。

帶電壓、電流(liu)或 PWM 輸出的(de)電子電位器

多種輸出范圍選擇

隔離輸出

可調斜坡時間

2 個 LED 指示“增(zeng)加(jia)”和(he)“減少(shao)”

預設按鈕定義輸出參考

用于與電網并聯運行的發(fa)電機(ji)的可編程功率(lv)參考(kao)單元

測試前 50 小時老化

阻燃外殼