1756-IF16IH
1756-IF16IH
1756-IF16IH
剩余电流式电气火灾监控系统采用分层分布式结构,由站控管理层、网络通讯层和现场设备层组成。各电气火灾监控探测器通过屏蔽双绞线RS485接口,采用MODBUS通讯协议总线型连接接入通讯服务器,然后通过五类线TCP/TP协议进入监控主机。
1)现场设备层主要是连接网络中用于漏电及温度信号采集测量的各类型的漏电火灾探测器,也是构建该监控系统必要的基本组成元素。不仅肩负着采集数据的重任,同时也是执行后台控制命令的终端元件_________________________________________
〖厦门光沃自动化设备有限公司 竭诚为您服务〗
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【价格】如此低价,仅此一家
【货期】大量现货,下单后即可发货
【质量】全新原装,进口***
【保障】产品经过专业检测,质保一年,15天包退换
【品牌】Allen-Bradley罗克韦尔、ABB、本特利Bently 3500系统卡件、GE、艾默生西屋等模块卡件
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2)通讯控制层主要是由协议接口转换器及总线网络等组成。该层是数据信息交换的桥梁,不同的接口转换器件提供了RS232、RS422、RS485、SPABUS等及以太网等各种接口,组网方式灵活,支持点对点的通讯、现场总线网络、以太网等类型的组态网络。协议接口转换器主要用于直接对现场漏电火灾探测器表转达上位机的各种控制命令,并负责对漏电火灾探测器回送的数据信息进行采集、分类和存储等工作,如温度/剩余电流等。
3)管理测控层是针对消防控制的管理人员。该层直接面向用户。该层也是系统的最上层部分,主要是由电气火灾监控系统软件和必要的硬件设备如人机界面、打印机、UPS等。其中软件部分具有良好的人机交互界面,通过数据传输协议读取前置机采集的现场各类数据信息,自动经过计算处理,以图形、数显、声音等方式反映现场的运行状况,并可接受管理人员的操作命令,实时发送并检测操作的执行状况,以保证供用电单位的正常工作。
3.2 工作原理
其基本原理是,当电气设备中的漏电流、温度等参数发生异常或突变时,终端探测头(如剩余电流互感器、温度传感器等)利用电磁场感应原理、温度效应的变化对该信息进行采集,并输送到监控探测器里,经放大、A/D转换、CPU对变化的幅值进行分析、判断,并与报警设定值进行比较,一旦超出设定值则发出报警信号,同时也输送到监控设备中,再经监控设备进一步识别、判定,当确认可能会发生火灾时,监控主机发出火灾报警信号,点亮报警指示灯,发出报警音响,同时在液晶显示屏上显示火灾报警等信息。值班人员则根据以上显示的信息,迅速到事故现场进行检查处理,并将报警信息发送到集中控制台。
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Dayton 1/6 HP 3K479B
VAT Pneumatic Rectangular Gate Valve F02-53154-11
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ASML 4022.502.26008 New Shutter Blade Assy SVG
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ASML 8122.389.1501.3 Focus Module
ASML 4022.436.6768 SVG
ASML 4022.438.42615 14 Halogen lamps 12v/100W SVG
NEC-16 T board
Intel Top Assy 165151-005
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Intel Assy 4002695-04 PWA 1002494-007R
ASML 4022.471.8361 S31 Module Card SVG
ASML 4022.471.7409 Module Card ID W2R/WSE 4 SVG
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ASML 4022.430.1445 Module Board SVG
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ASML 4022.430.0478 Shutter Control board SVG
ASML 4022.471.7407 Module Card ID WC1R/WSM 3 SVG
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Mega Lightning PCI PC-602167-R3 Color Graphic
RomMax Rev 1.5 E.E. Tools Inc 069717
Applied Materials Water cooled RF Coil (2) AMAT
SVG 851-859-0980-005 G A1207
ASML 4022.471.8998 Card SVG
SVG 851-8226-008 C A1212 4 Axis Counter
SVG 851-8226-008 A A1212 4 Axis Counter
MKS Instruments HPS Division 100991588
ASML 4022.437.1822 Master Board SVG
NEW SVG 851-859-0980-005 B A1207
Pepper Fuchs Visolux Sensor MLV20-8-H-2376 419365
ASML 4022.455.55151 Carbon Filter
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View Engineering Inc. DCO/MCU ISE Electronics 2860240
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Quad Tel Corp. FER801 92-005487-00
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Apple Computer Inc. 820-1365-A
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Ryan Herco 2422.092 PVC Hex bolt -13 x 1” 330 pieces
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