数字化系统手册

Table of Contents

1.数字系统硬件Hardware of digital systems

2.数字系统软件Software of digital systems

3.数字化系统监控Monitoring of digital systems

3.1 数字化监控的信号The signal of digital systems

3.2 定值与联锁反应Control set points and reaction

3.3 逻辑图Control logic diagram

附件1 ：

Annex 1：Programmable Control Products（PLC）附件2：

Annex 2 ：proficy HMI/SCADA iFIX

本工程制氯系统由可编程控制器加上位机监控整套装置，并通过网络交换机挂于网上，与全厂ＤＣＳ控制系统通讯。操作员可通过ＬＣＤ画面、键盘和鼠标对过程进行监视和控制。并且所有的运行参数，报警信息均可以存入计算机内并能通过打印机进行制表。

The entire device of this project chlorination system is monitored by programmable controller and PC,and connected to the network by the network switch , communicated with the whole plant DCS control system. Operator through the LCD screen, keyboard and mouse to monitor and control the process. And all of the operating parameters, alarm messages can be saved to the computer and be able to tab through the printer.

1 数字系统硬件Hardware of digital systems

数值化控制关键硬件是可编程逻辑控制器件。ＰＬＣ型号如下：

The key hardware of numerical control hardware is programmable logic control device. PLC

各个模块详细说明见附件1

See Annex 1 for detailed description of each module

2数字系统软件Software of digital systems

该软件是组态监控软件（proficy HMI/SCADA iFIX）

The software is Supervisory Control software（proficy HMI/SCADA iFIX）

详细介绍见附件2。See Annex 2 for details.

3 数字化系统监控Monitoring of digital systems

3.1 数字化监控的信号如下：

The signal of digital systems are as follows:

·预过滤器压差高、运行状态；预过滤器启停指令

High pressure of pre.strainer, Running state; start and stop commands of pre.strainer.

·过滤器压差高、运行状态；过滤器启停指令

High pressure of strainer, Running state; start and stop commands of strainer.

·海水泵运行、故障状态；可检测调节海水泵旋转速度；海水泵启停指令Seawater pump running, Fault status, Can detect adjust water pump rotational speed，start and stop commands of Seawater pump.

·次氯酸钠发生器进口压力值；

Inlet pressure value of Sodium hypochlorite generator.

·次氯酸钠发生器进口流量值；

Inlet flow value of Sodium hypochlorite generator.

·次氯酸钠发生器进口温度值；

Inlet temperature value of Sodium hypochlorite generator.

·次氯酸钠发生器出口温度值；

Outlet temperature value of Sodium hypochlorite generator.

·次氯酸钠储罐液位高度值；

Liquid level height value of Sodium hypochlorite storage tank.

·风压低；

Low wind pressure.

·氢气报警状态；

Hydrogen gas alarm status;

·风机运行、故障状态；风机工作电流值；风机启停指令；

Blower running , Dault status ; blower operating current value; start and stop command of blower;

·加药泵运行、故障状态；加药泵工作电流值；加药泵启停指令；

Dosing pump running, fault status;dosing pump operating current value;start and stop command of dosing pump;

·加药点流量值；

Dosing point flow value;

·电动阀开到位、关到位状态；电动阀开、关指令；

Electric valve open position , closed position state ; electric valve opening and closing commands;

·整流器运行、故障状态；整流器复位、启停、输出电流上升、下降指令；整流器输出电流值、电压值；

Rectifier running, fault status ; rectifier reset , start and stop, the output current rise, fall instruction ; rectifier output current,and voltage value ;

·酸洗泵和废水泵运行状态；

Running state of Acid cleaning pumps and Waste water pumps ;