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DZ 712回放仪磁保持线路是实现本仪器自动控制的,所使用的六只特殊的磁保持继电器是自动控制的关键。但是,目前使用的磁保持继电器缺料,仪器出厂时配的也只剩下四只能较正常工作。通过一些辅助办法,增加操作手续,还可以完成常规剖面回放处理。但对于迭加、多次复盖等方法的资料处理,就难于完成。为解决这一问题,地震五大队回放组的同志,对仪器磁保持线路进行了改革,采用了材料丰富的 DZ—100型和JRX—10型继电器,取代了磁保持继电器。通过生产实践,此改革的线路性能完全达
DZ 712 Playback Device Magnetic holding circuit is to achieve the automatic control of the instrument, the use of six special magnetic retention relay is the key to automatic control. However, the currently used magnetically-held relay is lacking and only four devices can be shipped to the factory for normal operation. Through some auxiliary measures to increase the operating procedures, but also to complete the conventional profile playback. However, it is difficult to complete the data processing of the methods of overlay and multiple overwriting. To solve this problem, the comrades of the 5th Battalion Replaying Group of the Earthquake carried out reforms on the magnetic retention circuit of the instrument and adopted the material-rich DZ-100 and JRX-10 type relays to replace the magnetic retention relay. Through the practice of production, the performance of this reform line is complete