详细介绍:
产品概述 双回路数字/光柱显示控制仪 采用先进的微处理器进行智能控制,适用于温度、湿度、压力、液位、瞬时流量、速度等多种物理量检测信号的显示及控制,并能对各种非线性输入信号进行高精度的线性校正。 可同时对两路信号分别进行显示及控制,两路输入信号亦可为不同类型的信号。输入端口均具备万能信号输入,只需通过仪表菜单的简单选定,即可实现不同类型输入信号(各种热电偶、热电阻、标准电压/标准电流信号)之间的轻松切换,提高了仪表的通用性和可靠性。 采用高亮度LED数码显示和高分辨率光柱显示(比例显示),使测量/控制值的显示更为清晰直观。显示方式有两种:双屏数码显示、双屏数码+双光柱显示;控制方式:两路相互独立的继电器控制/报警输出或模拟量变送输出。输出回路均采用光电隔离,抗干扰能力强。可带串行通讯接口。 主要技术参数 输入信号 模拟量 •热电偶:标准热电偶—B、S、K、E、J、T、WRe3~25等 •电 阻:标准热电阻—Pt100、Cu50、Pt100.1、远传压力电阻:30~350Ω等 •电 流:0~10mA、4~20mA等(输入阻抗≤250Ω) •电 压:0~5V、1~5V、mV等(输入阻抗≥1MΩ) 输出信号 模拟量输出 •DC 4~20mA (负载电阻≤750Ω) DC 0~10mA (负载电阻≤1.5KΩ) •DC 1~5V (负载电阻≥250KΩ) DC 0~5V (负载电阻≥250KΩ) 开关量输出 •继电器控制输出: —ON/OFF(带回差) •触点容量(阻性负载)—AC220V/3A; DC24V/3A •可控硅过零触发脉冲输出(SCR)—可触发600V/100A可控硅 •固态继电器控制信号输出(SSR)—输出DC9V/30mA •可控硅过零触发输出—双向可控硅600V/5A 通讯输出 •标准串行通讯接口 通讯方式 •RS-232C,RS-485 波特率 •300bps~9600bps(自由设定) 馈电输出 •DC 24V,负载≤30mA
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