天气预报15天查询> 家居> 消防弱电怎么穿线

消防弱电怎么穿线

更新时间: 2021-05-19 07:46:58     

如果消防控制中心的设备其工作模式是属于“IC总线”形式的,那么,消防报警(烟感、温感探头),手动报警(手报按扭),消火栓联动线(消火栓按扭),层显(层显火灾显示盘),监视模块(通用输入、输出控制模块与信号模块)等设施,在每一层楼的布线上,完全可以用每层楼布一组即两根“IC信号控制总线”,另外再加两根“模块受控电源”(一般是直流24V),再加两根火灾广播信号线就可以了,也就是说,每一路有三组共6根线就可以了。而各个探头、模块是否工作和反馈信号,都在“IC总线回路”上传输的,只不过是每个探头、模块等都具有唯一的“地址码”,控制中心靠识别地址码来读出信号传输的点和用地址码发出特定信号来控制模块的工作和接收反馈信号的。

关键词: 消防 怎么

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-3352745/ | 耗时:0.0718 s | 内存:1.89 MB | 查询:6 | 缓存读取:4 写入:2 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=3352745 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3352745 LIMIT 0,1
SELECT * FROM tbl_categories where CategoryID=90005 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3352745 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3531481,3541161,3544525,3542618,1075477,3540550,3541942,3532549,3542884,1081637,3540639,3529926,3543288,3531015,1109899,1049438,1070588,3542023,3544205,1063651,1368216,3541082,3543870,3528124,3532864,1082838,1050877,3542199,1064867,1067517) ORDER BY field (ArticleID,3531481,3541161,3544525,3542618,1075477,3540550,3541942,3532549,3542884,1081637,3540639,3529926,3543288,3531015,1109899,1049438,1070588,3542023,3544205,1063651,1368216,3541082,3543870,3528124,3532864,1082838,1050877,3542199,1064867,1067517)
SELECT ArticleID,Title FROM tbl_Articles where CategoryID=90005 ORDER BY ArticleID DESC LIMIT 20