NFDV157
32點(diǎn)數(shù)字輸入,24V DC,點(diǎn)對(duì)點(diǎn)非隔離,現(xiàn)場(chǎng)與回路間隔離,專用于壓力鉗端子塊
NFDV161
64點(diǎn)數(shù)字輸入,24V DC,點(diǎn)對(duì)點(diǎn)非隔離,現(xiàn)場(chǎng)與回路間隔離
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