S7-200双机联网地铁洗车机控制系统研究

摘要

The compose and specific features and principle of Metro cars washing machine are described. The feasibility of lower cost control system composed by SINEC L2 net has been presented.%采用两个S7-200 PLC 通过SINEC L2网构成伊朗德黑兰地铁洗车机的低成本电气控制系统，并阐述其设计方案、工作流程及安全可靠性措施.