一、用途
DFD-1300指针式电动操作器是DDZ-III型电动单元组合仪表中的一个辅助单元。适用于DDZ-II、DDZ-III型变送器和调节器与电动执行机构组成的自动调节系统中,可以使执行机构工作,在动调节,手动控制和就地操作三种工作状态,与PID调节器或PU调节器配合使用,可实现调节系统由“手动”→“自动”或“自动” →“手动”的无扰动切换。操作器本身具有手动控制和自动调节工作状态的显示。
二、指针式电动操作器主要技术性能
1、电流指示:a、电流表测量范围DFD-1300 0~10mA
DFD-1300 4~20 mA
b 表盘显示0~100%
c 指示表刻度误差±2.5%
2 、输出跟踪电压:DFD-05 0~10V DC
DFD-0500 1~5V DC
3、反馈回路电阻:200欧
4、供应电源:220V 50Hz
5、能对系统实现手动、自动勿扰动切换
6、工作状态:转换开关触头额定电压220V 电流5A
7、手动状态:操作开关触头额定电压380V 电流2A
8、工作条件:
(1)环境温度 -10~40℃
(2)相对湿度 ≤80%
(3)周转无腐蚀性气体及导电尘埃
(4)应用场所应剧烈震动和冲击
9、外型尺寸:80 mm×80 mm ×260mm
开口尺寸:75×153 (mm)
10、结构形式:面板安装式
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