NHR-5500系列手动操作器              
 
 
概述
    NHR5500系列手动操作器适合作为DCS系统回路调节控制输出和智能调节器控制输出

的备用操作器使用，可同时输入和显示给定信号和反馈信号，可与各类传感器、变送器

配合使用，实现对温度、压力、液位、容量、速度等物理量的测量显示，并配合各种执

行器对电磁阀、电动调节阀、变频器等设备进行控制、报警控制、数据采集等功能。
    双屏LED数码显示，PV显示外给定值，SV显示阀位反馈值，外给定值、阀位反馈值可

以选择百分比光柱模拟指示(0～100％)。
    具备36种信号输入功能，可任意选择输入信号类型；0.2％级测量精度
    具备“上下限报警”、“闪烁报警”、“手动状态报警”等报警功能。带LED报警灯

指示
    可搭配各种调节阀使用，一量调节阀失效，可由本产品手动控制操作，并可取代伺

服放大器直接驱动阀门。
    可带一路模拟量控制输出或一组开关量控制输出(继电器正转、反转控制)及一路模

拟量变送输出。
    可实现手/自动无扰切换功能，手动切除到自动时，采用逼近算法，并带切换限幅功

能。
    支持RS485、RS232串行接口，采用标准MODBUS RTU通讯协议。
    仪表可带RS232C打印功能，具有手动打印、定时打印、报警打印等功能。
    带DC24V馈电输出，为现场变送器配电。
    输入、输出、电源、通讯相互之间采用光电隔离技术。
    具备多种外形尺寸及样式供用户选择。
    参数设定密码锁定、参数设置断电*保存，具备参数恢复出厂设定功能。
NHR-5500A-00/27-0/X 
NHR-5500B-00/27-0/X 

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NHR-5500K-02/27-0/X  NHR-5500L-02/27-0/X
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