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PLC在输入采样阶段:首先以扫描方式按顺序将所有暂存在输入锁存器中的输入端子的通断状态或输入数据读入，并将其写入各对应的输入状态寄存器中，即刷新输入，随即关闭输入端口，进入程序执行阶段。
PLC在程序执行阶段:按用户程序指令存放的先后顺序扫描执行每条指令，经相应的运算和处理后，其结果再写入输出状态寄存器中，输出状态寄存器中所有的内容随着程序的执行而改变。
BOSCH R911243798 / R911243798
BOSCH R911266160 / R911266160
BOSCH R911269056 / R911269056
BOSCH R911277970 / R911277970
BOSCH R911283505 / R911283505
BOSCH R911284040 / R911284040
BOSCH R911296323 / R911296323
BOSCH R911297336 / R911297336
BOSCH R916636140 / R916636140
BOSCH R916931000 / R916931000
BOSCH R916937464 / R916937464
BOSCH R916938315 / R916938315
DANFOSS FC-202N630T7135U3833 / FC202N630T7135U3833
DANFOSS FC-202N710T7135U2922 / FC202N710T7135U2922
DANFOSS FC-302N560T7135N9912H2XGCXXXSXXXXAXBXCXXXXDX / FC302N560T7135N9912H2XGCX
DANFOSS FC-302N630T7135N9913H2XGCXXXSXXXXAXBXCXXXXDX / FC302N630T7135N9913H2XGCX
EATON CORPORATION ACE10 20 / ACE1020
EATON CORPORATION EXDFA128 / EXDFA128
EATON CORPORATION EXDFA328 / EXDFA328
MITSUBISHI GX-DEV-C50 / GXDEVC50
OMRON 17212-26004 / 1721226004
OMRON 17212-26021 / 1721226021
OMRON 17212-26022 / 1721226022
OMRON 17212-26300 / 1721226300
OMRON 17213-26010 / 1721326010
OMRON 17213-26324 / 1721326324
OMRON 17214-26004 / 1721426004
OMRON 17214-26021 / 1721426021
OMRON 17214-26022 / 1721426022
OMRON 17214-26300 / 1721426300
PARKER 32-2030/20x2285MBM / 32203020x2285MBM
REXNORD 0795490 / 0795490
Rexnord 0795490/0795490
REXNORD 0795491 / 0795491
Rexnord 0795491/0795491
REXNORD 0795492 / 0795492
Rexnord 0795492/0795492
REXNORD 0795493 / 0795493
Rexnord 0795493/0795493
REXNORD 0795494 / 0795494
Rexnord 0795494/0795494
REXNORD 0795495 / 0795495
Rexnord 0795495/0795495
REXNORD 0795496 / 0795496
Rexnord 0795496/0795496
REXNORD 0795497 / 0795497
Rexnord 0795497/0795497
REXNORD 3100683 / 3100683
Rexnord 3100683/3100683
SCHAEFFLER GROUP 24184-BE-XL / 24184BEXL
SCHAEFFLER GROUP 24184-BE-XL-C3 / 24184BEXLC3
SCHAEFFLER GROUP F-808450.230/630-B / F808450230630B
TIMKEN 241/500 kymbw 507c08c3/241500 kymbw 507c08c3
TIMKEN EE790120-90038 / EE79012090038
TIMKEN ee790120-90038/ee79012090038
TIMKEN NP674405-902A1 / NP674405902A1
TIMKEN np674405-902a1/np674405902a1
TOSHIBA P9435KAE-N3 / P9435KAEN3
TOSHIBA P9440KAA-NC / P9440KAANC
博世 r911243798/r911243798
博世 r911266160/r911266160
博世 r911269056/r911269056
博世 r911277970/r911277970
博世 r911283505/r911283505
博世 r911284040/r911284040
博世 r911296323/r911296323
博世 r911297336/r911297336
博世 r916636140/r916636140
博世 r916931000/r916931000
博世 r916937464/r916937464
博世 r916938315/r916938315
丹佛斯 fc-202n630t7135u3833/fc202n630t7135u3833
丹佛斯 fc-202n710t7135u2922/fc202n710t7135u2922
丹佛斯 fc-302n560t7135n9912h2xgcxxxsxxxxaxbxcxxxxdx/fc302n560t7135n9912h2xgcx
丹佛斯 fc-302n630t7135n9913h2xgcxxxsxxxxaxbxcxxxxdx/fc302n630t7135n9913h2xgcx
东芝 p9435kae-n3/P 9435 Kaen 3
东芝 p9440kaa-nc/P 9440 kaanc
欧姆龙 17212-26004/1721226004
欧姆龙 17212-26021/1721226021
欧姆龙 17212-26022/1721226022
欧姆龙 17212-26300/1721226300
欧姆龙 17213-26010/1721326010
欧姆龙 17213-26324/1721326324
欧姆龙 17214-26004/1721426004
欧姆龙 17214-26021/1721426021
欧姆龙 17214-26022/1721426022
欧姆龙 17214-26300/1721426300
派克 32-2030/20x2285mbm/32203020x2285mbm
三菱 gx-dev-c50/gxdevc 50
舍弗勒集团 24184-be-xl/24184 bexl
舍弗勒集团 24184-be-xl-c3/24184bexlc3
舍弗勒集团 f-808450.230/630-b/f808450230630b
伊顿公司 ace10 20/ace1020
伊顿公司 exdfa128/exdfa128
伊顿公司 exdfa328/exdfa328
