MMC-CA20调速板
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面议
MMC-CA20 调速板可加快PLC对一般输入信号的响应速度。从讨论PLC的工作原理知,从对PLC加入输入信号,到PLC产生输出,理想的情况也要延迟一个PLC运行程序的周期。因为PLC监测到输入信号,经运行程序后产生的输出,才是对输入信号的响应。不理想时,还要多延长一个周期。当输入信号送入PLC时,PLC的输入刷新正好结束,就是这种情况。这时,要多等待一个周期,PLC的输入映射区才能接受到这个新的输入信号。对一般的输入信号,这个延迟虽可以接受,但对急需响应的输入信号,就不能接受了。
440T-MDCLE10AEAF
440T-MDCLE10AGAH
440T-MDCLE10B
440T-MDCLE10BACA
440T-MDCLE10BBBC
440T-MDCLE10BBCB
440T-MDCLE10BCBD
440T-MDCLE10BEBF
440T-MDCLE10BGBH
440T-MDCLE10CACB
440T-MDCLE10CBCC
440T-MDCLE10CECF
440T-MDCLE10DADB
440T-MDCLE10DBDC
440T-MDCLE10DEDF
440T-MDCLE10EAEB
440T-MDCLE10EBEC
440T-MDCLE10EEEF
440T-MDCLE10FAFB
440T-MDCLE10FBFC
440T-MDCLE10FEFF
440T-MDCLE10GAGB
440T-MDCLE10GBGC
440T-MDCLE10GEGF
440T-MDCLE10GHGI
440T-MDCLE10GKGL
440T-MDCLE10HAHB
440T-MDCLE10HBHC
440T-MDCLE10HEHF
440T-MDCLE10IAIB
440T-MDCLE10IBIC
440T-MDCLE10IEIF
440T-MDCLE10IHII
440T-MDCLE10IKIL
440T-MDCLE10JAJB
440T-MDCLE10JBJC
440T-MDCLE10JEJF
440T-MDCLE10KAKB
440T-MDCLE10KBKC
440T-MDCLE10KEKF
440T-MDCLE10LALB
440T-MDCLE10LBLC
440T-MDCLE10LELF
440T-MDCLE10MAMB
440T-MDCLE10MBMC
440T-MDCLE10MCMB
440T-MDCLE10NANB
440T-MDCLE10NBNC
440T-MDCLE10NENF
440T-MDCLE10PAPB
440T-MDCLE10PBPC
440T-MDCLE10PEPF
440T-MDCLE10RBRC
440T-MDCLE10RERF
440T-MDCLE10SBSC
440T-MDCLE10SESF
440T-MDCLE10TBTC
440T-MDCLE10TETF
440T-MDCLE10UBUC
440T-MDCLE10UEUF
440T-MDCLE10VBVC
440T-MDCLE10VEVF
440T-MDCLE11KEKF
440T-MDCLE11KGKH
440T-MDCLE11KIKJ
440T-MDCLE11KJKK
440G-LJ51093C
1442-DR-2550
1442-DR-2590
1747-M13
440F-EBAMV01830