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电动机正、反、停控制从继电器到plc控制欧姆龙系统梯形图举例
电动机正、反、停控制从继电器到plc控制举例 上图中，若将停止按钮改为常开触点，程序应如何编？
allen bradley 1771-obn 1771obnallen bradley 1771-niv 1771nivallen bradley 1771-mnet 1771mnetallen bradley 1771-iff 1771iffallen bradley 1771-ife/c 1771ifecallen bradley 1771-ife 1771ifeallen bradley 1771-ie04 1771ie04allen bradley 1771-ibn 1771ibnallen bradley 1771-ia 1771iaallen bradley 1771-hd 1771hdallen bradley 1771-dmc4 1771dmc4allen bradley 1771-cx25 1771cx25allen bradley 1769-l36erm /a 1769l36ermallen bradley 1769-l30er 1769l30er compactlogix 1 mb controller * sealed 2014allen bradley 1769-l24er-qbfc1b ser. a compact logix in factory seald boxallen bradley 1769-l24er-qbfc1b -mfs- 1769l24erqbfc1ballen bradley 1769-l18erm-bb1b -mfs- 1769l18ermbb1ballen bradley 1756-of6ci 1756of6ciallen bradley 1756-m16 memory module 7.5 mbyte ! !allen bradley 1756-l75 ser a controllogix 5575 1756l75 logix5575 2011 2 gig sdallen bradley 1756-l75 /b mfg 2012 controllogix logix5575 processor 32mballen bradley 1756-l73 1756l73 2010allen bradley 1756-l63xt /b controllogix-xt processor 8mballen bradley 1756-l55m12 1756l55m12allen bradley 1756-eweb -- 1756eweballen bradley 1756-en2tr -fs- 1756en2tr controllogixallen bradley 1747-scnr 1747scnrallen bradley 1747-l532 1747l532allen bradley 1747-l40c series c processor unit * in a box*allen bradley 1745-e152 1745e152allen bradley 150-a35nbd-8l4 150a35nbd8l4allen bradley 150-a35nbd 150a35nbdallen bradley 150-a35jc 150a35jcallen bradley 150-a24nbde 150a24nbdeallen bradley 1502-v4c1d1 400a amp 2000-5000v-ac vacuum contactor b496112allen bradley 1410-nx102 1410nx102allen bradley 1394-sjt10-c-rl /a 1394sjt10crl servo controlerallen bradley 1394c-am50-ih 1394cam50ihallen bradley 1394c-am50 servo controller | tested with 12 month warrantyallen bradley 1394c-am04 axis module 4.5a 3kw 530/680v wowallen bradley 1389-aa17 1389aa17allen bradley 1388-bav40 1388bav40allen bradley 1336-sn-sp4a 1336snsp4aallen bradley 1336s-cwf20-an-fr 1336scwf20anfrallen bradley 1336s-c007-an-fr-gm1-l6 1336sc007anfrgm1allen bradley 1336s-b020-an-en3 1336sb020anen3allen bradley 1336s-b010-aa-en-ha2 1336sb010anenallen bradley 1336r-vb048cnv-an regen dc drive input: 380-480v 32-40kva 48aallen bradley 1336f-cwf10-anen 1336fcwf10anenallen bradley 1336f-brf50-ae-en 1336fbrf50aeenallen bradley 1336f-brf50-aa-en-hcsp-la4 1336fbrf50aaenh7allen bradley 1336f-brf30-an-en-l6 series a ac drive * out of box*allen bradley 1336f-brf30-an-en-hcsp-l6 1336fbrf30anenh2allen bradley 1336f-brf30-aa-en-4ha2-l6 1336fbrf30aaen4hallen bradley 1336f-brf20-aa-en-has2-la3-l5e 1336fbrf20aaenh5allen bradley 1336e-brf100-aa-en-ha1-l4 1336ebrf100aaen5allen bradley 1336-b003-eod-l1 1336b003eodl1allen bradley 1336-b003-ecd-l3 ac driveallen bradley 1326-cpb1t-l-015 1326cpb1tl015allen bradley 113-a45fbd-c45-45 113a45fbdc4545allen bradley 102939 102939allen bradley 100-b400nb3 100b400nb3allen bradley 100-b300nb3 100b300nb3allen bradley 0905309127111 0905309127111allen bradely mpg-b010-091s24 servo motor bulletin mpg series a 2711-t10c8 allen bradley panelview 1000 ser f frn 4.46 hmi touchscreen dh+ 20082711p-t10c4d8 allen bradley panelview plus free shipping2711-b5a15 ser h /d frn 4.46 panelview 550 allen bradley hmi keypad late model 2711-b5a10 allen bradley panelview 550 hmi touchscreen keypad ser h frn 4.461772-lp2 allen bradley controllers remanufactured155014 -no box, allen-bradley 12711-t5a16l1 panelview 550, 24vdc, 18w1388-av40-a allen bradley drives remanufactured1388-av40 allen bradley drives remanufactured refurbished1336-b003-ead-l1 allen bradley drives remanufactured*reman* allen bradley 2711p-t12c4a1 /a panelview plus 1250 color/touch/ethernet* 2013* allen bradley 1769-l30er /a compactlogix ethernet processor warranty