【摘要】 为了消除GSM公网信号盲区,及时排除控制终端故障,作者设计并实现了该控制系统。系统通过PLC采集各种模拟量和开关量,整理后由手机模块发送到监控中心。如果出现故障,则直接发送到维修人员的手机上显示故障信息。该系统功能齐全、性能稳定、性价比高,对远程数据传输以及其它无人值守的系统均有一定的实用价值和指导意义。更多还原

【Abstract】 The author design and implement the control system for eliminating GSM net’s signal blind area and removing the fault of control terminate in time. T he system collects the data by PLC and sends the data to control center through the wireless modem block .If malfunction happens, the malfunction message are di splayed directly on the mobile telephone of the repair man’s .And the system wi th complete function and stable capability has well developed foreground.更多还原