摘要
为使研华4060模块能安全地用于有爆炸危险的场所中,根据BB3836.4-93号标准,对其主要火花点作了安全火花性能评价,并据此对电路作了改进,解决了该模块的防爆问题。
According to GB3836. 4 - 93, the paper analyses intrinsically safe property ofmain ignescent point of Yanhua 4060 model, and modifies the model circuit and increasesexplosion-proof property.
关键词
工控模块
标准
安全火花
关联器件
电力工业
Yanhua 4060 model
standard
intrinsical safety
associated apparatus