《项目灯光的停电保持控制》由会员分享，可在线阅读，更多相关《项目灯光的停电保持控制（30页珍藏版）》请在金锄头文库上搜索。
1、PLC原理及应用模块1 入门应用模块项目九 灯光的停电保持控制 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Creat
2、ed with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.PLC原理及应用模块1 入门应用模块 目标与要求 掌握块操作指令的应用。 了解辅助继电器的类型，掌握辅助继电器的应用。 掌握停电保持控制程序的编写。项目9 灯光的停电保持控制 Evaluation only.Eval
3、uation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.
4、2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.PLC原理及应用模块1 入门应用模块项目9 灯光的停电保持控制 项目描述 某公司采用PLC控制其广告牌灯光的变化。如图1-9-1 所示。广告牌里装有三盏不同颜色（红黄绿）的灯，当电 源接通时，第一盏灯亮（广告牌呈红色）2S后灭，第二盏 灯（广告牌呈黄色）闪三次（亮1S灭1S）后，再延时0.2S ，接着第三盏灯（广告牌呈
5、绿色）亮2S后灭，接着第一盏 灯亮，循环以上动作，当电源停电再复电时，继续前面的 动作。 图1-9-1 某公司的广告牌 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation
6、 only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.PLC原理及应用模块1 入门应用模块 项目知识准备 项目9 灯光的停电保持控制 1块操作指令（ORB / ANB） （1）ANB（块与指令）：电路块串联连接指令
7、，用于两个 或两个以上触点并联连接的电路之间的串联。ANB指令的使 用见图1-9-2。图1-9-2 ANB指令的使用Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation o
8、nly.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.PLC原理及应用模块1 入门应用模块 项目知识准备 项目9 灯光的停电保持控制 （2）ORB（块或指令）：电路块并联连接指令，用于两个或 两个以上的触点串联连接的电
9、路之间的并联。ORB指令的使 用见图1-9-3。1块操作指令（ORB / ANB）图1-9-3 ORB指令的使用 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation on
10、ly.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.PLC原理及应用模块1 入门应用模块 项目知识准备 项目9 灯光的停电保持控制 （3）ANB指令和ORB指令的使用说明： ANB指令和ORB指令是独立指令，没有操作元
11、件。电路块的第一个触点应该用LD或LDI指令。如图1-9-2和 图1-9-3的指令语句表所示。多个电路块连接，如在每个电路块之后使用一个ANB指 令或ORB指令，则ANB指令或ORB指令的使用次数没有限制。如果将所有电路块依次写出，然后在这些电路块的末尾 集中写出ANB指令或ORB指令，则ANB指令或ORB指令最多使用 8次。1块操作指令（ORB / ANB）Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Sli
12、des for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pt
13、y Ltd.Copyright 2004-2011 Aspose Pty Ltd.PLC原理及应用模块1 入门应用模块 项目知识准备 项目9 灯光的停电保持控制 1块操作指令（ORB / ANB）（3）ANB指令和ORB指令的使用说明：梯形图设计时，按照并联多的电路块靠左，串联多的电 路块靠上的原则设计梯形图，可以使程序优化。如图1-9-4 和1-9-5。图1-9-4 梯形图优化1Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with
14、 Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-201
15、1 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.PLC原理及应用模块1 入门应用模块 项目知识准备 项目9 灯光的停电保持控制 图1-9-5 梯形图优化2 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd
16、.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.PLC原理及应用模块1 入门应用模块 项目知识准备 项目9 灯光的停电保持控制 2辅助继电器M辅助继电器M相当于继电器控制系统中的中间继电器 ，只起到中间状态的暂存作用。既不能接受外部的输入信 号，也不能直接驱动外部负载，负载只能由输出继电器的 外部触点驱动。辅助继电器的常开与常闭触点在PLC内部编 程时可无限次使用。辅助继电器可分为通用辅助继电器、停电保持辅助
