In combination with the practical maintenance of V12 plotter, the paper analyzed in detail the interface circuit of the equipment and gave the troubles easily appeared and removing methods.
本文结合V12绘图仪的实际维修对该设备接口电路进行了详尽地分析，列举了接口电路的常见故障并给出了相应的故障排除方法。
This system consists of sonic sonde, magnetic locator sub, gamma ray tool, depth system, surface preprocessing unit, data acquisition interface, PC486 and thermal plotter.
该系统由声波、磁定位和自然伽马下井仪、深度系统、地面预处理电路、数据采集控制接口电路、486微机和热敏绘图仪等构成。
The data transfer of USB used in this paper conquers some disadvantages, such as low speed, complex of connecting and so on, providing a new pattern interface for the data transfer of plotter .
本论文采用的USB这种传输方式，克服了以往绘图机利用并行电缆带来地低速、迮线复杂等种种缺点，为绘图机的数据传输提供了一种崭新的新型接口。
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