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國際電工委員會(IEC)在1985年的PLC標(biāo)準(zhǔn)草案第3稿中，對PLC作了如下定義：“是一種數(shù)字運算操作的電子系統(tǒng)，專為在工業(yè)環(huán)境下應(yīng)用而設(shè)計。它采用可編程序的存儲器，用來在其內(nèi)部存儲執(zhí)行邏輯運算、順序控制、定時、計數(shù)和算術(shù)運算等操作的指令，并通過數(shù)字式、模擬式的輸入和輸出，控制各種類型的機械或生產(chǎn)過程。可編程序控制器及其有關(guān)設(shè)備，都應(yīng)按易于使工業(yè)控制系統(tǒng)形成一個整體，易于擴充其功能的原則設(shè)計。”從上述定義可以看出，PLC是一種用程序來改變控制功能的工業(yè)控制計算機，除了能完成各種各樣的控制功能外，還有與其他計算機通信聯(lián)網(wǎng)的功能。
ALLOT COMMUNICATIONS SGSE14base10GE / SGSE14base10GE
ALLOT COMMUNICATIONS SGSE14base10GE / SGSE14base10GE
ALLOT COMMUNICATIONS SGSE14base10GE / SGSE14base10GE
ALLOT COMMUNICATIONS SGSE14base10GE / SGSE14base10GE
Automatic die cutter ETERNA E1620SAL-EXTRA 2016year / # 8 6F1 2529
Automatic die cutter ETERNA PE 1620 Sa Extra 2013 / # 8 6F1 9899
BOSCH R911200064 / R911200064
BOSCH R911200204 / R911200204
BOSCH R911200228 / R911200228
BOSCH R911200244 / R911200244
BOSCH R911200321 / R911200321
BOSCH R911200369 / R911200369
BOSCH R911200567 / R911200567
BOSCH R911201298 / R911201298
BOSCH R911201304 / R911201304
Eliog PNO 80 dryer for fruit, vegetables, mushrooms / # 8 8B2 4157
Eliog PNO 80 烘干機的水果、蔬菜、蘑菇/# 8 8b2 4157
ESA VT170 VT170WA0000 LCD contrast adj. Operator Interface Panel (used)
FAG 232/710-B-K-MB-C3 / 232710BKMBC3
FAG 232/710-b-k-mb-c3/232710 bkmbc 3
FAG 294/850E.MB.H35.M32CX Spherical Roller Thrust Bearing 850 x 1440 x 354 mm
FAG 294/850E.MB.H35.M32CX Spherical Roller Thrust Bearing 850 x 1440 x 354 mm
FAG Z-522934.04.DRGL / Z52293404DRGL
FAG z-522934.04。 drgl/Z 52293404 drgl
LCI CONV #。 接口 ， 3bhe046836r0102 ABB GF d563 a102 gfd563a102
LCI CONV. INTERFACE, 3BHE046836R0102 ABB GF D563 A102 GFD563A102
MITSUBISHI FR-HC2-H560K-PKG / FRHC2H560KPKG
OMEGA ENGINEERING FF-KI-24-TWSH-300M / FFKI24TWSH300M
Ripper tine ripper SkanCraft SCVR 45 / # 8 1C2 9273
Ripper tine ripper SkanCraft SCVR 65 / # 8 1C2 3634
Ripper 松 Ripper skancraft scvr 45/# 8 1c2 9273
Ripper 松 Ripper skancraft scvr 65/# 8 1c2 3634
RUIJIE BMY 1300 CE / # 8 6F1 1334 semi-automatic die cutter
RUIJIE BMY 1500 CE / # 8 6F1 6814 semi-automatic die cutter
SICK, INC. MSC800-3720T00 / MSC8003720T00
SIEMENS 6DL54228AB130BA0 / 6DL54228AB130BA0
SIEMENS 6DL54228XB040BA5 / 6DL54228XB040BA5
SkanCraft SCHMAG 1500 / # 8 1C2 1624 hydraulic magnet
Skancraft schmag 1500/# 8 1c2 1624 液壓磁鐵
SkanCraft SCMT 26 DEMO / # 8 1C2 2058 demolition shears
Skancraft SCMT 26 演示/# 8 1c2 2058 拆遷剪
SkanCraft SCRP 24 DEMO / # 8 1C2 0269 demolition shears
Skancraft scrp 24 演示/# 8 1c2 0269 拆遷剪
TIMKEN 294/800EMW40RW50 / 294800EMW40RW50
TIMKEN 294/800emw40rw50/294800emw40rw50
TIMKEN B-9294-A / B9294A
TIMKEN b-9294-a/b9294a
TIMKEN B-9310-G / B9310G
TIMKEN b-9310-g/b9310g
TIMKEN B-9851-A / B9851A
TIMKEN b-9851-a/b9851a
TIMKEN LM286249AA-904A9 / LM286249AA904A9
TIMKEN lm286249aa-904a9/lm286249aa904a9
TIMKEN NP378108-90KA1 / NP37810890KA1
TIMKEN np378108-90ka1/np37810890ka1
TIMKEN NP623652-90KA1 / NP62365290KA1
TIMKEN np623652-90ka1/np62365290ka1
TIMKEN U-1075-G FXCL / U1075GFXCL
TIMKEN u-1075-g fxcl/u1075gfxcl
TIMKEN U-3620-G FLCL / U3620GFLCL
TIMKEN u-3620-g FLCL/U 3620 gflcl
TOSHIBA WX9450KAXAADW / WX9450KAXAADW
TOSHIBA WX9460KAXAADW / WX9460KAXAADW
TOSHIBA WX9470KAXAADW / WX9470KAXAADW
TOSHIBA WX9480KAXAADW / WX9480KAXAADW
Vibro-hammer for sheet piles with an arm for an excavator / # 8 1C2 0322
Vibro-錘 適用于床單成堆的手臂一個挖掘機/# 8 1c2 0322
WINTERS D81RIR24CSPSF2N-300# / D81RIR24CSPSF2N300
WINTERS D81RIR24SSPSF2N-300# / D81RIR24SSPSF2N300
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