故障表現(xiàn)為“短路”，PLC輸出回路引起受控設(shè)備的啟動(dòng)和繼續(xù)運(yùn)行。下圖的電路中，MCR是一個(gè)電力機(jī)械繼電器，當(dāng)按下復(fù)位按鈕并目如果所有的四個(gè)E-Stop和門(mén)開(kāi)關(guān)閉合時(shí)，MCR繼電器得電并且通過(guò)MCR觸電保持得電狀態(tài).

Jokab Safety Safety Relay Interlock Switch JSNY5B

Atlas Casing Assembly Air Part 4250-2448-00 4250244800

ABB Valve 220V 50Hz 8W 04-212-210-21 3I-004011 Nice

ABB CBK-S2KS120 2-pos Keyed Switch Momentary !

Atlas Copco Cylinder 4250-2117-01 4250211701 Lot of 3

Manutec Coolant Coupler C-91-SA-01/03 C91SA01/03 !

Falk T Hub Rebore 1050T10 1.7333/1.7343 Bore 12×3.3 KW

Falk 1015G K18 1.3737 744663 ID: 3.5 cm (2″ 5/16)

Atlas Bar Reaction Tool 4220-1903-00 EDT-DS9-150/200

Atlas Coupling 4150-1285-80 4150128580 In Great Shape

Mac Base Manifold MM-A2B-231 MMA2B231 in Box!

Fanuc 1MB CMOS SRAM Module A20B-2900-0500 A20B29000500

Fanuc Daughter Board A20B-2900-0430/?04C A20B29000430

Mori Seiki seal slide x20002a m723-1 m7231 for SL-3H