7KG6000-8AB/

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廈門岳航計(jì)算機(jī)工程有限公司



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廈門市思明區(qū)湖濱東路湖光大廈8樓A座
。畫出系統(tǒng)各個(gè)功能過(guò)程的工作循環(huán)圖或流程圖、功能圖及有關(guān)信號(hào)的時(shí)序圖。
(4)按照PLC程序語(yǔ)言的要求設(shè)計(jì)梯形圖或編寫程序清單。梯形圖上的文字符號(hào)應(yīng)按現(xiàn)場(chǎng)信號(hào)與PLC內(nèi)部接口對(duì)照表的規(guī)定標(biāo)注。
2．PLC程序設(shè)計(jì)的一般原則
(1)保證人身與設(shè)備安全的設(shè)計(jì)都不是多余的。
(2)PLC程序的安全設(shè)計(jì)，并不代表硬件的安全保護(hù)可以省略。
(3)了解PLC自身的特點(diǎn)。
(4)設(shè)計(jì)調(diào)試點(diǎn)易于調(diào)試。
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NEW HARTNESS INTERNATIONAL 64-700-039R-02 DRIVE SPROCKE


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NEW MARTIN 60BS16 1 7/16 1-7/16 IN SINGLE ROW CHAIN SPR


RC50A22 22 TOOTH HEAT TREATED PLATE STEEL 3/4 IN SINGLE


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NEW MARTIN 80B14 14 TEETH BORE 1 IN SINGLE ROW CHAIN SP


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NEW REXNORD 614-34-1 NS880-12T SPLIT 1 IN CHAIN SINGLE 


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NEW MARTIN 50A33 CHAIN SINGLE ROW 11/16IN ID SPROCKET D


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MARTIN 50BS14 BORED TO SIZE 14 TOOTH 3/4 IN SINGLE ROW 


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NEW 700AG636 60A36 STEEL CHAIN SINGLE ROW 105MM BORE SP


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54720827 26 TEETH HUB 30MM DOUBLE ROW CHAIN SPROCKET B3


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NEW MARTIN 50BTB54 2012 BUSHED TAPER CHAIN SINGLE ROW S


NEW 24 TOOTH STEEL CHAIN SINGLE ROW 1-1/4IN BORE SPROCK


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NEW DODGE RELIANCE P40-8M-30 2012 112876 BELT SINGLE RO


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