此外,包装机械行业逐渐加入机器视觉功能,对PC-Based运动控制需求也逐步增加。有业内人士指出,未来PC-Based运动控制器的应用领域将会进一步扩大,部分PLC市场会向PC-Based市场转移。
为此,倍福董事总经理梁力强表示,倍福中国会继续宣传和推广基于PC的开放式控制系统,着力开拓战略性新兴产业,包括锂电设备、电子制造和半导体、仓储和物流行业以及国家重点发展的高端装备制造业。
PC-Based的发展,对于PLC无疑是挑战,此前有人预言PLC将逐步退出工业自动化的历史舞台,不过过去10年内,超小型和小型PLC的性能获得了极大地提高,产量也大幅增长。
PC-Based控制器阵营中,除研华、华北工控、研祥等工控机生产厂商外,目前PC-based运动控制产品市场中,国产厂商固高、众为兴、雷赛等在运动控制卡这一细分领域占据主导地位。
而在嵌入式控制器及软PLC这两个细分市场上,以倍福、贝加莱、CODESYS为代表的外资厂商仍然占据着主要的市场份额。当然,国内也有一些基于PC技术的控制器企业,其中包括华成工控、纳博特、人通智能等。
他们认为,未来嵌入式技术将会被广泛应用于PAC,成为自动化系统的重要技术之一。
在用户和系统集成商之间,对于PAC的质疑同样存在:PAC相对于PLC来说价格高、可靠性低、可拓展能力差,还有人认为,PAC并没有真正针对某种迫切的或者潜在的市场需求,因此不免曲高和寡。
有部分反对者则认为,PAC技术发展趋向,如统一的多专业开发平台、通信技术等也会对PLC的技术发展施加有益的影响。
值得一提的是,除了上述提到的PLC、PC-Based和PAC之外,针对行业应用,机器人专用控制器成为国内多数厂商布局的重点,特别是像埃斯顿、华中数控、配天机器人等这样以机器人本体研发为主的企业。
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