保持復(fù)位線(xiàn)圈-(RM)-若這種線(xiàn)圈已通電,便將-一個(gè)離散參考地址置為OF。此地址將-直保持為OFF,直到由一保持置位線(xiàn)圈所置位為止。雖然電源消失,或當(dāng)PLC由STOP轉(zhuǎn)換為RUN模式，該線(xiàn)圈的狀態(tài)均將保持住。保持復(fù)位線(xiàn)圈將為既定的參考地址,而把–個(gè)非定義結(jié)果寫(xiě)人轉(zhuǎn)換位(參見(jiàn)第二章操作系統(tǒng)中有關(guān)“轉(zhuǎn)換與超馳”的情況)。鏈回路水平和垂直鏈路是用來(lái)聯(lián)接功能模塊間一條梯形邏輯線(xiàn)中的各單元,其用途是為了沿一條.邏輯線(xiàn)完成從左向右的邏輯(能恥)流。

Swagelok SS Hose Connection SS-PB6-PM6

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3 AMAT 3700-02047 Oring Seal, 75 Duro Brown, 0.546 x 0.

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9 pin D type to 15 pin D type Connector cable

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3 AMAT 3690-02032 SCR PANEL MTG 10-32 x 1/2L PHH W/