For interference,the following measures should be considered in the project implementation:
1)In the system structure design and equipment selection,fully consider the environmental adaptability and electromagnetic compatibility;
2)Use a power supply with excellent performance to suppress the interference introduced by the power grid;
3)Reasonable selection and laying of cables and wires;
4)Isolation device or filter device is adopted in hardware;
5)Take measures to improve reliability in software,such as digital filtering,timing correction of reference point potential,information redundancy,etc.;
6)Correctly select the grounding method,generally adopt one-point grounding and one-point grounding in series.
针对干扰,在工程实施中要考虑以下措施:
1)在系统结构设计与设备选型时,充分考虑环境适应性和电磁兼容性;
2)采用性能优良的电源,抑制电网引入的干扰;
3)合理选择和敷设电缆、电线;
4)硬件上采取隔离装置或滤波装置;
5)软件上采取提高可靠性的措施,如数字滤波、定时校正参考点电位、信息冗余等;
6)正确选择接地方式,一般采用一点接地和串联一点接地。
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