NHR-5500系列手動操作器              
 
 
概述
    NHR5500系列手動操作器適合作為DCS系統(tǒng)回路調(diào)節(jié)控制輸出和智能調(diào)節(jié)器控制輸出

的備用操作器使用，可同時輸入和顯示給定信號和反饋信號，可與各類傳感器、變送器

配合使用，實現(xiàn)對溫度、壓力、液位、容量、速度等物理量的測量顯示，并配合各種執(zhí)

行器對電磁閥、電動調(diào)節(jié)閥、變頻器等設(shè)備進行控制、報警控制、數(shù)據(jù)采集等功能。
    雙屏LED數(shù)碼顯示，PV顯示外給定值，SV顯示閥位反饋值，外給定值、閥位反饋值可

以選擇百分比光柱模擬指示(0～100％)。
    具備36種信號輸入功能，可任意選擇輸入信號類型；0.2％級測量精度
    具備“上下限報警”、“閃爍報警”、“手動狀態(tài)報警”等報警功能。帶LED報警燈

指示
    可搭配各種調(diào)節(jié)閥使用，一量調(diào)節(jié)閥失效，可由本產(chǎn)品手動控制操作，并可取代伺

服放大器直接驅(qū)動閥門。
    可帶一路模擬量控制輸出或一組開關(guān)量控制輸出(繼電器正轉(zhuǎn)、反轉(zhuǎn)控制)及一路模

擬量變送輸出。
    可實現(xiàn)手/自動無擾切換功能，手動切除到自動時，采用逼近算法，并帶切換限幅功

能。
    支持RS485、RS232串行接口，采用標(biāo)準(zhǔn)MODBUS RTU通訊協(xié)議。
    儀表可帶RS232C打印功能，具有手動打印、定時打印、報警打印等功能。
    帶DC24V饋電輸出，為現(xiàn)場變送器配電。
    輸入、輸出、電源、通訊相互之間采用光電隔離技術(shù)。
    具備多種外形尺寸及樣式供用戶選擇。
    參數(shù)設(shè)定密碼鎖定、參數(shù)設(shè)置斷電*保存，具備參數(shù)恢復(fù)出廠設(shè)定功能。
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