工业设备的接地方式，包含工控系统接地方式，机房接地，及PLC系统的接地要求-Industrial equipment grounding, grounding requirements include industrial control system grounded way, Grounding, and PLC systems

本人在学习GE 的IFIX工控软件的一些资料和经验总结-Himself in the study of GE ifixes industrial control software some of the information and experience summary