继电器输出一般都是弱电 控制的强电。继电器的输出，继电器的外壳上面写了输出的电流电压，也就是用弱电控制强电。
控制旁路接触器的接点是无源继电器输出点；
The joints of control bypass contactor passive relay output points;
该继电器输出，是春天偏见总和，与范围螺丝集，加上气动输入信号。
The output of the relay is the sum of the spring bias, set with the Range Screw, plus a pneumatic input signal.
电脑板采用继电器输出，无需中间继断器减少了故障点，维修检测方便。
Relay output is used for the computer panel, medial relay is not necessary, reduced malfunctions and make maintain and inspecting convenient...
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