佳樂接近開哪些是常開，哪些是常閉的？CARLO GAVAAZZI瑞士佳樂電感接近開關
IA08BSF20NO,IA08BSF20NPO,IA08BSF20NC,IA08BSF20PCIA08BSN40NO,IA08BSN40PO,IA08BSN40NC,IA08BSN40PCCARLO GAVAAZZI瑞士佳樂電感接近開關,3線式，DC,增強型產(chǎn)品型式：M8增強型連接方式：2m線纜連接屏蔽安裝：型號選擇：NPN-常開：IA08BSF20NOPNP-常開：IA08BSF20NPONPN-常閉：IA08BSF20NCPNP-常閉：IA08BSF20PC非屏蔽安裝：
型號選擇：NPN-常開：IA08BSN40NOPNP-常開：IA08BSN40PONPN-常閉：IA08BSN40NCPNP-常閉：IA08BSN40PC