Explicitly represents the scheme and flow of a RTU software based on DL451-91 protocol.
介绍了基于DL451 -91协议实现RTU系统的软件设计方案，并给出了详细流程。
2
It is the target of remote maintenance that the dispatch control center can dial and transfer parameters to RTU in substation.
远程维护是为了使调度控制中心可以实现对变电站内rtu的远程拨号、参数下传等维护功能。
3
This paper expounds the principle of the RTU controller and the structure of system, which designs the hardware and software for the controlled system.