When the door motor run to the position, it output pointed positionrelay signals.
门机运行到该位置输出“指定位置”继电器信号。
2
It is described in this paper that how to use two-positionrelay to solve simulation design of contact of CB in control circuit of simulation substation.
介绍在仿真变电站断路器控制回路仿真设计中，如何利用双位置继电器解决断路器机构触点仿真设计的问题。
3
Firms that are able to relay clearly their message to the public will be in a pole position to attract shoppers.