| 关于反串电流烧坏AI模块问题的处理 |
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| 引用本文： | 孔玉洁.关于反串电流烧坏AI模块问题的处理[J].甘肃冶金,2011,33(4):108-109. |
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| 作者姓名： | 孔玉洁 |
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| 作者单位： | 白银有色金属集团有限公司三冶炼,甘肃白银,730900 |
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| 摘 要： | 由于PLC控制系统中压力、流量模拟量数据采集模块一般带24 V配电,一旦现场某个测点线路出现问题,就会产生反串电流,直接烧坏AI模块.本文介绍了如何处理该问题,从而彻底杜绝这一现象的发生.
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| 关 键 词： | 模拟量输入模块 两线制 反串电流 智能隔离配电器 |
The Proposal of AI Module Burnout by Reverse Direction Current |
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| KONG Yu-jie.The Proposal of AI Module Burnout by Reverse Direction Current[J].Gansu Metallurgy,2011,33(4):108-109. |
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| Authors: | KONG Yu-jie |
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| Affiliation: | KONG Yu-jie(The 3rd Smelter of BNMC,Baiyin 730900,China) |
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| Abstract: | The analog data acquisition modules of pressure and flowrate is PLC control systems is often equipped with 24V power supply.in case a circuit fault happens,reverse direction current occurrence,and the AI modulewill be burt out.this paper introduces how to cope with this problem and avoid its occurrence. |
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| Keywords: | analog input module two-wire system reverse direction current intelligence isolation distributor |
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