操作表示机是计算机联锁系统中关键的人机界面设备，硬件上利用继电器组成的逻辑电路，实现双机热备的倒机逻辑控制和设备接口电缆的动态切换。
Therefore it is necessary to perfect the existing relay equipment based on the rule of fault-safety in order to achieve the function of railway signal computer-based interlocking control system.
本文介绍了温度继电器自动测试系统的设计，此系统由温控箱、开关量检测电路、温度控制电路、接口电路及工控机等硬件组成。
This system was composed of a temperature controlled tank , switch measurement circuit , temperature control circuit , interface circuit , an industrial manipulative computer, and so on.
本文介绍了温度继电器自动测试系统的设计，此系统由温控箱、开关量检测电路、温度控制电路、接口电路及工控机等硬件组成。
This system was composed of a temperature controlled tank , switch measurement circuit , temperature control circuit , interface circuit , an industrial manipulative computer, and so on.
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