The power supply of sub-control box is forbid to link directly from pump phase line, if needs to supplied from pump house, the isolate transformer and isolate line should be build up.
场地分控箱供电禁止直接从泵站相线上搭接，如果需要从泵房供电，必须安装隔离变压器和隔离线路，因为场地分控箱处于雷电的威胁下。
With S7-300 PLC as the main controller, has designed a modular pump house drainage control system.
设计了以S7- 300PLC为主要控制器的模块化泵房排水控制系统。
The application of PLC in automatic control of pump house in tank farm is introduced.
介绍了油库实时监控系统的系统配置、应用软件构成及功能。
The application of PLC in automatic control of pump house in tank farm is introduced.
介绍了油库实时监控系统的系统配置、应用软件构成及功能。
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