电气控制与PLC技术1的0.ppt

任务四 PID指令应用 知识巩固 项目2 恒压供水系统的PLC控制。 有一个通过变频器驱动的水泵供水的恒压供水系统，被控对象为需保持一定压力的供水水箱，维持水位为满水位的75%，要求开机后先由手动控制电机，直到水位上升为75%时，通过输入点I0.0的置位切入PID自动调节。不论水箱出水速度快慢，系统均能自动调节水位，使水位保持给定值不变。 总结阶段 温馨提示：通过这节内容的学习和训练，总结一下自己的收获吧！ 上一页 返回 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 表10-1 中断事件及优先级 下一页 返回 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 表10-1 中断事件及优先级(续表) 上一页 下一页 返回 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 表10-1 中断事件及优先级(续表) 上一页 返回 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 表10-2 中断指令的格式及功能 返回 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 表10-3 清除中断事件指令和中断返回指令格式 返回 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 图10-1 数据采样梯形图程序 返回 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 图10-2 指示灯闪烁梯形图程序 返回 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 图10-2 指示灯闪烁梯形图程序(续) 返回 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 表10-4 旋转编码器定位操作训练设备概况 返回 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 表10-5 高速计数器的输入点和工作模式 返回 下一页 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 表10-5 高速计数器的输入点和工作模式(续表) 上一页 返回 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 表10-6 高速计数器指令格式及功能 返回 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5