140XBE10000
140XBE10000
140XBE10000
Vogler先生说基于PC的控制器被证明在每一点都像PLC一样的可靠。并且通过了甚至更重要的考验:被操作和维护人员接受。
PC的情况
基于PC的控制,俗称软控制或软逻辑,15多年一直企图进入工业控制领域。令一些传统自动化供应商感到惊慌的是,现今,PC控制已经开始在该领域得到应用。PC支持者称他们的系统易于安装和使用,有高级的诊断功能,为系统集成商提供了更灵活的选择。
从长远角度看,PC控制系统维护成本低。SteeplechaseSoftware公司的创建人MikeKleinshuo说"即使免费给你PLC,你很难负担起它们的维护费用。"
可编程控制器受PC控制的威胁最大,所以对PC的应用很不安。"PC控制市场还没有启动",RockwellAutomation公司的MikeMiclot先生称,"它不是宇宙飞船,而是B-52轰炸机。"
传统上坚持PC是办公机器,不适合工厂灰尘环境的人也在改变想法,许会接受新的观点。在过去几年里,PLC提供商实际上已经加入到PC控制"浪潮"中---用他们自己的话说,这是必然的。
当然,也不应忽视PC对企业计算市场的冲击。数以万计的PC机正进入企业,从读条码到作为测试和测量平台,应用非常广泛。尽管这些PC不是机器控制,其使用在新IT时代是不可缺少的。
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