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DH48S-S数显时间继电器

更新:2013/9/10 15:30:38      点击:
  • 产品品牌   
  • 产品型号   DH48S-S
  • 产品描述

    DH48S-S数显时间继电器,是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于DH48S-S数显时间继电器型号,DH48S-S数显时间继电器价格,有关DH48S-...

产品介绍

一、技术参数:

   类别             

DH48S-S(双设定.多段式预置型限时继电器)

 

型号

DH48S-S/1Z

DH48S-S/2Z

延时基数

0.01sec、0.01sec、1sec、0.1min、1min、0.1HR、1HR、10HR(任意设定两种)

延时范围

1-99倍限时倍率

额定工作电压

85-265VAC/VDC自由输入,其他工作电压可控制

消耗功率

小于4.5W

触点数量

1组继电器,1+3为复位,1+4为暂停

2组继电器

触点容量

阻性负载:5A/250VAC或5/28VDC最大

显示方式

固定秒闪指示灯,相应的两位LED显示前吸合或释放时间

精确度

电压影响误差、重复误差小于±50PPM,预置误差为0

信号输入

复位和暂停信号输入为触点或NPN(发射极对公共端1)采用光耦隔离,信号宽度不少于0.02Sec

底部无复位,暂停信号引入

使用环境

环境温度:-10℃-+55℃(不结冰),湿度:35-85%HR

抗干扰能力

AC2kV(操作电端之间)或DC±500V,脉冲宽度1μs扰动下继电器正常工作

使用寿命

机械寿命:500,0000次,电器寿命:100,0000次

重量

约103g

约112克

主要功能

(1)通电限时继电器,双设定Tno、Tnc(Tno为限时吸合时间,Tnc为限时时间),一只继电器能替代两只继电器用,高两位BCD拔码为限时释放预置时间,低两位BCD拔码为限时预置吸合时间,LED相应显示当前限时时间段,可选做倒延时模式。
(2)既可往复循环限时工作,也可单次限时工作。
(3)智能提示功能:用户限时值为全0时LED显示”Erro”,提示预置出错;在复位或单次限时时间结束后LED显示”no”(当前转换电器是吸收状态)或”nc”(当前转换继电器是释放状态)。
(4)采用高性能专用微控芯片,底部暂停、复位信号采用光电耦隔离输入,提高抗干扰能力。
(5)高精度晶体振荡器作为系统时钟源,时间精度高达0.05%。
(6)八种限时倍率,任意设置继电器限时吸合、释放时间、时间范围宽(0.01Sec~990Hr)。
(7)DIN (48mm×48mm)标准面板尺寸,标准8针接口,可方便与底座配套使用。
(8)工作电源适用范围宽,85~265VAC/DC自由输入。

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