摘要
针对工业控制领域常用的4~20mA电流输出回路所遭遇的射频干扰问题,经过试验测试,给出了提高4~20mA电流输出回路抗射频干扰的研究数据及解决方案,改进措施应用于分散控制系统,运行情况良好。
The 4- 20 mA current output circuit is commonly used in industrial control field.Aiming at the radio frequency interference( RFI) on the 4- 20 mA current output circuit,by means of experiment and test,the studied data and solution for improving anti-RFI ability of the 4- 20 mA current output circuit were given.The improvement measures were applied in distributed control system,and the system operates well.
出处
《华电技术》
CAS
2013年第12期11-13,85,共3页
HUADIAN TECHNOLOGY
关键词
工业控制
射频
抗干扰
4~20mA电流输出回路
精度
仪表
industrial control
radio frequency(RF)
anti-inter-ference
4-20 mA current output circuit
accuracy
instrument