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利用该软件的变量存档编辑器和水晶报表设计器，可以很方便地为运行用户过程数据生成用户档案并生成报表。利用ODBC功能，把所有设备的报警和人员的操作都记录下来，通过声音通知操作人员，以便使操作人员能够立即进行处理，并给日后事故原因的分析创造有利条件。
（4）PLC的输出负载可能产生干扰，因此要采取措施加以控制，如直流输出的续流管保护，交流输出的阻容吸收电路，晶体管及双向晶闸管输出的旁路电阻保护。
实验、实训与上机课可以采用自主学方式。自主学方式是一种学者在总体教学目标的宏观调控下，在教师的指导下，，根据自身条件和需要自由地选择学目标，学内容和方法，并通过自我调控的学活动完成具体学目标的学方式。自主学离不开教师的适时指导与评价，学生只有在教师的适时帮助下，才能不断地完成一个又一个实验与实训项目，获得越来越大的成就感，增加自己自主学的动力，从而保证自主学方式的良性发展。教师还必须结合理论课程的进程，结合实验实训设备编写由浅入深、逐步递进、面向不同层次学生的实验实训指导书，为学生的自主学提供有力的理论支撑。
由于印刷机是一个精度较高的机械，印刷品的好坏一方面在于机械加工以及安装的精度，另一方面，也取决于水路，墨路的平衡以及合压的准确性。双色机的每一色组，都有水路和墨路装置。为了便于水辊速度的调节，每根水辊都用一个变频器控制，同时，主电机速度也需要变频器调节。因此，为了实现多路速度调节，我们采用了三菱4D/A数模转换器，它将PLC方给出的数字量，根据相应的算法，转换成0~10V直流电压输出，很好地实现了多路速度调节要求。在印刷过程中，调版是一个比较繁琐的过程。尤其对多色机来说，各组版对正的精度会对印品产生很大的影响。如果套印不准，印刷品就会出现字面重叠或影像不清。一般来说，印版轴向调节范围为-2mm~+2mm,周向调节范围为-1mm~+1mm。如果使用手动调版，会浪费很多时间，而且精度不高。为了实现自动打版，我们在版辊上安装了电位器，通过电位器将模拟量传送给4A/D，经过PLC处理，可将版辊的转动精度很好地控制在打版范围内。
（1）输入接线一般不要超过30米。但如果环境干扰较小，电压降不大时，输入接线可适当长些。
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