2AT-SBU-FGB;
供应2AT-SBU-FGB;
2AT-SBU-FGB;
选择plc时,应考虑性能价格比。考虑经济性时,应同时考虑应用的可扩展性、可操作性、投入产出比等因素,进行比较和兼顾,*终选出较满意的产品。
输入输出点数对价格有直接影响。每增加一块输入输出卡件就需增加一定的费用。当点数增加到某一数值后,相应的存储器容量、机架、母板等也要相应增加,因此,点数的增加对CPU选用、存储器容量、控制功能范围等选择都有影响。在估算和选用时应充分考虑,使整个控制系统有较合理的性能价格比。
在PLC系统设计时,首先应确定控制方案,下一步工作就是PLC工程设计选型。工艺流程的特点和应用要求是设计选型的主要依据。PLC及有关设备应是集成的、标准的,按照易于与工业控制系统形成一个整体,易于扩充其功能的原则选型所选用PLC应是在相关工业领域有投运业绩、成熟可靠的系统,PLC的系统硬件、软件配置及功能应与装置规模和控制要求相适应。熟悉可编程序控制器、功能表图及有关的编程语言有利于缩短编程时间,因此,工程设计选型和估算时,应详细分析工艺过程的特点、控制要求,明确控制任务和范围确定所需的操作和动作,然后根据控制要求,估算输入输出点数、所需存储器容量、确定PLC的功能、外部设备特性等,*选择有较高性能价格比的PLC和设计相应的控制系统。
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您找不到停产的工控产品吗?您找不到稀缺的工控产品吗?您找不到产品的资料吗?给我型号,聚福兴-陈工 jfx-auto-chen 给您价格拥有百万产品库存,应有尽有*经销停产料号工控自动化及配件销售经销 PLC 传感器 变频器 断路器 触摸屏 模块 开关 电源 控制器 驱动器 伺服电机 采集卡 运动控制卡 多屏显卡 机器人备件.