HIEE405246R0002 ABB

Lifecycle ROI:Facility needs vary by industry.For smaller-scale process engineering,there is no need for expansion and integration with other process areas,so the PLC system has a better return on investment.DCS systems may have higher installation costs,but from the perspective of the whole life cycle,the increased production and safety benefits brought by DCS systems will offset part of the costs.

生命周期投资回报率：设施的需求，因行业而异。对于规模较小的工艺工程，没有扩展需求，也不需要与其它工艺过程区域集成，因此PLC系统具有较好的投资回报率。DCS系统可能具有较高的安装成本，但从全生命周期来看，DCS系统所带来的产量增加和安全效益，会抵消一部分成本。