2.1.4. Zone address identification capability Fixed fire detection and fire alarm systems with a zone address identification capability shall be so arranged that: .1. means are provided to ensure that any fault (e.g. power break, short circuit, earth, etc.) occurring in the loop will not render the whole loop ineffective
目前船上RO-RO区域划分为防爆区域,隔离栅后有多个探头,但是厂家说,其中一个探头坏了其它回路后面探头就无法使用。DNV送审对此留有意见,厂家解释是:其防爆区域隔离栅后面的部分不属于loop,而是branch-off。而且他们说其它船上也是这样划分的,请各位船友讨论下,这样做是否符合规范,另外Branch-off这个东东是哪里定义的,求高手解答。
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