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ＸＧ－２００ Ｘ线机容量保护电路在选配时间和毫安时采用了５个具有５对接点的继电器用以切换控制电路的输入电压。因接点多达２５对，发生接触不良的概率增多，降低了电路的可靠性。本文介绍的Ｘ线机容量保护电路采用了电子开关集成电路，用以取代落后的继电器，提高了电路
The XG-200 X-ray machine capacity protection circuit uses 5 relays with 5 docking points to switch the input voltage of the control circuit during the optional time and milliamperes. With up to 25 pairs of contacts, the probability of contact failure increases, reducing the reliability of the circuit. The X-ray machine capacity protection circuit described in this article uses an electronic switch IC to replace the outdated relay and improve the circuit.