In the control system, operating through the PLC issued a directive, the drive timerelay.
在该控制系统中，操作人员通过PLC发出指令，驱动时间继电器。
2
A kind of design method of microprocessor protection relay apparatus based on real timeoperating system (RTOS) was introduced in this paper.
介绍了一种基于实时操作系统的微机继电保护装置的设计方法。
3
At the same time, in order to master the operating parameters and the state immediately, it is necessary to relay on the power control system for a real-time monitoring to get a timely respond.