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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