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。畫出系統(tǒng)各個功能過程的工作循環(huán)圖或流程圖、功能圖及有關(guān)信號的時序圖。
(4)按照PLC程序語言的要求設(shè)計梯形圖或編寫程序清單。梯形圖上的文字符號應(yīng)按現(xiàn)場信號與PLC內(nèi)部接口對照表的規(guī)定標(biāo)注。
2．PLC程序設(shè)計的一般原則
(1)保證人身與設(shè)備安全的設(shè)計都不是多余的。
(2)PLC程序的安全設(shè)計，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)計調(diào)試點(diǎn)易于調(diào)試。
NEW GOODYEAR W36-8M-12-SH SINGLE ROW BELT SPROCKET D393
NEW MARTIN 50-15 15 TOOTH 1/2 IN SINGLE ROW CHAIN SPROC
NEW MARTIN 50A32H 32 TOOTH FLAT DRIVE 2-3/4 IN SINGLE R
NEW MARTIN 60BS16 1 7/16 1-7/16 IN ID SINGLE ROW CHAIN
NEW LINN GEAR M16B24SS STAINLESS 24 TOOTH CHAIN 2IN SPR
NEW REXNORD S815 21T 1-1/8 CONVEYOR CHAIN DOUBLE ROW 1
NEW MARTIN D40B15H 1/2IN ROUGH BORE DOUBLE ROW CHAIN SP
NEW MARTIN 40A60 CHAIN SINGLE ROW 4-1/4IN BORE SPROCKET
NEW TSUBAKI H40A20 UST CHAIN SINGLE ROW 1-1/4IN BORE SP
NEW LANTECH P-404391 13T 3/4 IN BORE SPROCKET D349593
NEW BOSTON GEAR 43B10 STEEL CHAIN SINGLE ROW 3/8 IN SPR
NEW MARTIN MET40B15 1 IN BORE CHAIN SPROCKET D214010
NEW MARTIN 40BTB30 1610 TAPER BUSHED CHAIN SINGLE ROW S
NEW HARTNESS INTERNATIONAL 64-700-039R-02 DRIVE SPROCKE
NEW MARTIN 40BS18 3/4 SINGLE ROW CHAIN 3/4IN SPROCKET D
NEW UNI-CHAINS 3-M-QNB Z19 1.5 IN SQUARE BORE SINGLE RO
NEW BROWNING SY-2136 IDLER 9/16 IN ID SINGLE ROW CHAIN
NEW REXNORD 894.33.91 SI 1005 21-1/2 1-1/2 IN BORE SPLI
NEW TB WOODS P565M15 SH QD BORE STEEL TIMING BELT SINGL
NEW MARTIN 40BTB22 1610 SPROCKET D229353
NEW MARTIN 50B19 19 TOOTH SINGLE ROW CHAIN SPROCKET B43
NEW GATES 8M-48S-12 SDS POLYCHAIN 2-1/8 IN BUSHED BORE
NEW MARTIN 50BS20 3/4 BORE 3/4 IN SINGLE ROW CHAIN SPRO
NEW MARTIN 60A32 4-7/8 IN BORE SINGLE ROW BELT SPROCKET
NEW MARTIN 50BS20 3/4 20 TOOTH 3/4 IN SINGLE ROW CHAIN
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
NEW MARTIN 50BTB16 1610 16TOOTH BUSH CHAIN SINGLE ROW S
NEW MARTIN 80B14 14 TEETH BORE 1 IN SINGLE ROW CHAIN SP
NEW MARTIN 50B23SS 23 TOOTH STAINLESS CHAIN SINGLE ROW
NEW TSUBAKI H40A20 UST CHAIN SINGLE ROW 1-1/4IN BORE SP
NEW INTRALOX XXCDL6-0 SQUARE CHAIN SINGLE ROW 1 IN SPRO
NEW MARTIN D40BTB18H-1210 DOUBLE ROW CHAIN TAPER BUSHED
NEW HARTNESS INTERNATIONAL 64-700-039R-02 DRIVE SPROCKE
NEW MARTIN 40B10 1 IN ROUGH BORE SINGLE ROW CHAIN SPROC
NEW BROWNING SY-2136 IDLER 9/16 IN ID SINGLE ROW CHAIN
NEW MARTIN 40BTB22 1610 SPROCKET D229353
NEW MARTIN 50B19 19 TOOTH SINGLE ROW CHAIN SPROCKET B43
NEW BOSTON GEAR 40A19 1-1/4 IN BORE SINGLE ROW CHAIN SP
NEW MARTIN 60BS16 1 7/16 1-7/16 IN SINGLE ROW CHAIN SPR
NEW TSUBAKI 40B27F 1-3/16 IN SINGLE ROW CHAIN SPROCKET
NEW MARTIN 50A20 1-9/16 IN BORE SINGLE ROW CHAIN SPROCK
NEW MARTIN 50BS20 3/4 3/4 IN BORE SINGLE ROW CHAIN SPRO
NEW REXNORD 614-34-1 NS880-12T SPLIT 1 IN CHAIN SINGLE
NEW MARTIN 80B14 14 TEETH BORE 1 IN SINGLE ROW CHAIN SP
NEW P36-8M-50-SH BELT SINGLE ROW 1-7/8IN ID SPROCKET D3
GOODYEAR W-60S-SK EAGLE LINE DRIVE SPROCKET 2-3/4 IN DO
NEW 60B16 CHAIN SINGLE ROW 1-7/8IN BORE SPROCKET D34545
NEW 30 TOOTH STEEL CHAIN SINGLE ROW 1-7/16IN BORE SPROC
NEW MARTIN 35BS25 1 CHAIN SINGLE ROW 1IN BORE SPROCKET
NEW MARTIN 60BTB27 2012 BUSHED TAPER CHAIN SINGLE ROW S
NEW MARTIN 50A33 CHAIN SINGLE ROW 11/16IN ID SPROCKET D
NEW BROWNING 40A24 MODIFIED CHAIN SINGLE ROW 37MM BORE
MARTIN 50BS14 BORED TO SIZE 14 TOOTH 3/4 IN SINGLE ROW
NEW MARTIN 50BS13 1-1/8 1-1/8 IN SINGLE ROW CHAIN SPROC
NEW 700AG636 60A36 STEEL CHAIN SINGLE ROW 105MM BORE SP
NEW MARTIN 35B32 STEEL CHAIN SINGLE ROW 1/2 IN SPROCKET
NEW LINN GEAR 2060L7.5H 2060B7.5H CHAIN SINGLE ROW 1-3
NEW RAPISTAN SYSTEMS 04811-52924 CHAIN SINGLE ROW 1-3/1
NEW BROWNING H50SH17 SINGLE ROW CHAIN SPROCKET D393817
NEW BROWNING H50SH17 SINGLE ROW CHAIN SPROCKET D393817
NEW MARTIN 50B18 SINGLE ROW CHAIN SPROCKET D426462
NEW MARTIN 35B18 SINGLE ROW CHAIN SPROCKET D426999
54720827 26 TEETH HUB 30MM DOUBLE ROW CHAIN SPROCKET B3
NEW TB WOODS P565M15 SH QD BORE STEEL TIMING BELT SINGL
NEW BOSTON GEAR 13 TOOTH STEEL CHAIN SINGLE ROW 2-15/16
NEW RELIANCE P56-5M-25-SH 7220 BELT SINGLE ROW 1-13/16I
NEW NA 80TB26 2517 BUSHED TAPER CHAIN SINGLE ROW SPROCK
NEW I1TPC100 2 11 TOOTH STEEL CHAIN DOUBLE ROW 1-3/16IN
NEW AMETRIC 42B21-42B38-32A?65 CHAIN TRIPLE ROW 40MM BOR
NEW 40C28 1-3/4 IN SINGLE ROW CHAIN SPROCKET D466884
NEW MARTIN 50BTB54 2012 BUSHED TAPER CHAIN SINGLE ROW S
NEW 24 TOOTH STEEL CHAIN SINGLE ROW 1-1/4IN BORE SPROCK
NEW TSUBAKI HD50BTL20 TAPER CHAIN DOUBLE ROW SPROCKET
NEW LINN GEAR 40B14 CHAIN SINGLE ROW 1-1/4IN BORE SPROC
NEW MARTIN 60A52 52 TOOTH 4-3/16IN ROUGH BORE CHAIN SIN
NEW INCOM H-918 STEEL CHAIN SINGLE ROW 5/8 IN BORE SPRO
NEW MARTIN 40B28 SINGLE ROW 5/8IN BORE SPROCKET D230244
NEW MARTIN 50B17SS STAINLESS CHAIN SINGLE ROW 1-5/16 IN
NEW DODGE RELIANCE P40-8M-30 2012 112876 BELT SINGLE RO
NEW TSUBAKI H80BTL16 2012 CHAIN SINGLE ROW 66MM BORE SP
NEW MARTIN 50B32SS STAINLESS 3/4IN ROUGH BORE CHAIN SPR
NEW TB WOODS W568M35 SK QT POWER CHAIN 35MM SPROCKET D3
NEW GATES 8MX-45S-12 2012 POLY CHAIN GT BUSHED TAPER BE
NEW MARTIN D40B54 54TOOTH CHAIN DOUBLE ROW 2 IN SPROCKE
NEW GATES P52-5MGT-25 1210 TIMING SPROCKET SINGLE ROW B
NEW MARTIN D80B22H ROUGH BORE 1 IN DOUBLE ROW CHAIN SPR
NEW BROWNING C5016X1-1/8 CHAIN SINGLE ROW 1-1/8 IN SPRO
NEW MARTIN 35B36 METALLIC CHAIN SINGLE ROW 1-1/4IN BORE
NEW MARTIN 50BS18 1 1/4 CHAIN SINGLE ROW 1-1/4IN BORE S
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