输出报警

The instruments used ATmega16L onboard A / D converter channels to achieve the cold wind pressure, the hot blast pressure, the furnace top pressure and cold wind current capacity four way analog acquisition;used PWM waveform produced by ATmega16L internal timing / Counter to achieve the entire differential pressure ,the cold wind flow and the permeability index three-way analog output for recording instruments; realized the cold wind pressure, the hot blast pressure, the furnace top pressure, the cold wind current capacity and the entire differential pressure five group parameter tour demonstration and the fixed-point demonstration by key-elect key's coordination during demonstration blast furnace permeable index; produced acousto-optics alarm when the permeable index across the upper and lower limits;used RS-485 realizing the communication with the superior computer.

仪表利用ATmega16L自带的A/D转换通道实现对冷风压力、热风压力、炉顶压力及冷风流量四路模拟信号的采集；通过ATmega16L内部的定时/计数器产生的PWM波形来实现对全压差、冷风流量及透气性指数三路模拟量输出供记录仪表使用；通过键选键的配合在显示高炉透气性指数的同时实现冷风压力、热风压力、炉顶压力、冷风流量及全压差五路参数的巡回显示与定点显示；当高炉透气性指数越上、下限时，仪表产生声光报警信号；仪表采用RS-485与上位机实现通信。

The control center unit of this control system is based on a general-purpose microcontroller AT89C52, with LSI peripheral hardware including signal sampling unit for angular and wind speed, control output and power driving unit, keypad-display-alarm unit, and serial communication and printer interfacing unit.

采用通用微控制器AT89C52，设计了控制系统的控制中心，采用大规模集成电路开发了转角、风速信号采集单元、控制输出与功率驱动单元、键盘显示报警单元、串行通讯与打印接口单元等硬件系统。

This system can be surveyed in early days to the fire and autoalarm, can output and link the signal of putting out a fire in time according to the position of condition of a fire , start corresponding fire controls facility, put out a fire .

该系统既能对火灾发生进行早期探测和自动报警，又能根据火情位置及时输出联动灭火信号，启动相应的消防设施，进行灭火。

This system uses a MCU as a core , a keyboard and infrared detecter as the input system ,a LED display circuit, a warning circuit and a stepper motor as the output system to realize the auto controlling of the liquid drop speed .

本次设计的系统，是以8031单片机为核心以键盘及红外传感器为输入系统，以数码管、报警电路及步进电机为输出系统的智能化的液体点滴速度的控制及监测系统。

And due to the nature of the data acquisition, three data acquisition circuit board are adopted. They are voltage to digit data converting circuit board, current to digit data converting circuit board and digit data input/output circuit board. These circuit boards are used to acquire the main running parameter of the multifunctional experimentation equipment and to control the output of alarm message.The monitor and control program is developed on Delphi5.0 which is an excellent product of Borland Corp.

数据监控系统的硬件以一台工业控制PC机为核心，并根据采集信号的性质配置了电压-数字量转换板、电流-数字量转换板及开关量输入／输出板，对实验台的主要运行参数进行采集并进行报警控制；监控系统的软件以BORLAND公司的Delphi5.0作为开发平台，采用了面向对象的设计方法，运用了多线程、数据库等技术，做到了界面美观、操作方便。

If controller is linked with alarm output and network fire control expansion board, it can also drive alarm annunciator calling to deter crime and warn the security guard.

如果控制器接了报警输出及消防联动扩展板，还可以现场驱动报警器鸣叫，威慑犯罪人员和提醒保安赶来。

Such problems needing attention to of PLC application to stranding equipment as the output contact competition ,output contact capacity and alarm circuit design are pointed out.

简述PLC用户程序的工作过程，指出PLC在捻制应用中应注意的输出触点竞争、输出触点容量和报警电路设计等问题，给出解决问题的具体方法和程序，使得PLC的应用更加安全可靠。

Possesses sensor insulating output、relay alarm output、flux integrate、print and remote communication functions.

具有传感器隔离配电输出、继电器报警输出、流量积算、打印以及远程通讯功能。

In the part of alarm volume output, BTL power amplifier is adopted, which can increases power usage and output high-power with the low voltage.

在报警音量输出部分采用BTL方式功率放大器模式，提高电源利用率，在低压下可输出大功率。

Adopting micro electronic wholly high-voltage generater,no electrostatic induction.●Adopting digtial display,its output precision is enhanced.●Its high voltage and power supply voltage can be inverted automatically.●Adopting sund/light alarming with delay.no failure when hunting leak.

二、特点●采用微电子一体化高压发生器，克服静电现象；●采用数字显示，提高输出精度；●高压和电源电压能自动转换；●报警采用声光报警且能延时，克服了检漏时的检漏现象。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新