1D3154
1D3154 1D3154 三、存储器 存放系统软件的存储器称为系统程序存储器。 存放应用软件的存储器称为用户程序存储器。 四、输入输出接口电路 1.现场输入接口电路由光耦合电路和微机的输入接口电路，作用是可编程逻辑控制器与现场控制的接口界面的输入通道。 2.现场输出接口电路由输出数据、选通电路和中断请求电路集成，作用可编程逻辑控制器通过现场输出接口电路向现场的执行部件输出相应的控制信号。 五、功能模块 如计数、定位等功能模块。 六、通信模块 当可编程逻辑控制器投入运行后，其工作过程一般分为三个阶段，即输入采样、用户程序执行和输出刷新三个阶段。完成上述三个阶段称作一个扫描周期。在整个运行期间，可编程逻辑控制器的CPU以一定的扫描速度重复执行上述三个阶段。 一、输入采样阶段 在输入采样阶段，可编程逻辑控制器以扫描方式依次地读入所有输入状态和数据，并将它们存入I/O映象区中的相应的单元内。输入采样结束后，转入用户程序执行和输出刷新阶段。在这两个阶段中，即使输入状态和数据发生变化，I/O映象区中的相应单元的状态和数据也不会改变。因此，如果输入是脉冲信号，则该脉冲信号的宽度必须大于一个扫描周期，才能保证在任何情况下，该输入均能被读入。 二、用户程序执行阶段 1SAJ929400R0001 UTF21-FBP 1SAP111100R0260 TB511-ARCNET 1SAP111100R0270 TB511-ETH 1SAP112100R0260 TB521-ARCNET 1SAP112100R0270 TB521-ETH 1SAP114100R0270 TB541-ETH 1SAP130100R0200 PM571 1SAP130100R0270 PM571-ETH 1SAP130200R0200 PM572 1SAP130300R0271 PM573-ETH 1SAP140100R0200 PM581 1SAP140100R0270 PM581-ETH 1SAP140200R0200 PM582 1SAP140200R0260 PM582-ARCNET 1SAP140200R0270 PM582-ETH 1SAP140300R0271 PM583-ETH 1SAP150000R0200 PM590 1SAP150000R0260 PM590-ARCNET 1SAP150000R0271 PM590-ETH 1SAP150100R0200 PM591 1SAP150100R0260 PM591-ARCNET 1SAP150100R0270 PM591-ETH 1SAP170200R0001 CM572-DP 1SAP170400R0201 CM574-RS 1SAP170401R0201 CM574-RCOM 1SAP170500R0001 CM575-DN 1SAP170700R0001 CM577-ETH 1SAP170800R0001 CM578-CN 1SAP170901R0001 CM579-PNIO 1SAP170902R0001 CM579-ETHCAT 1SAP180100R0001 MC502 1SAP180200R0001 TK501 1SAP180200R0101 TK502 1SAP180300R0001 TA521 1SAP180300R0001 TA521 1SAP180500R0001 TA523 1SAP180500R0001 TA523 1SAP180600R0001 TA524 1SAP180700R0001 TA525 1SAP180700R0001 TA525 1SAP180800R0001 TA526 1SAP180800R0001 TA526 1SAP181100R0001 TA527 1SAP181200R0001 TA528 1SAP190100R0200 PS501-PROG 1SAP210400R0001 TU552-CS31 1SAP210600R0001 TU551-CS31 1SAP212000R0001 TU516 1SAP212200R0001 TU515 1SAP214000R0001 TU508-ETH 1SAP214200R0001 TU507-ETH 1SAP217000R0001 TU532 1SAP217200R0001 TU531 1SAP220000R0001 DC505-FBP 1SAP220500R0001 DC551-CS31 1SAP220600R0001 CI501-PNIO 1SAP220700R0001 CI502-PNIO 1SAP220900R0001 CI511-ETHCAT 1SAP221000R0001 CI512-ETHCAT 1SAP221100R0001 CI590-CS31-HA 1SAP221200R0001 CI592-CS31 1SAP240000R0001 DI524 1SAP240100R0001 DC532 1SAP240500R0001 DC523 1SAP240600R0001 DC522 1SAP245000R0001 DX531 1SAP245200R0001 DX522 1SAP250000R0001 AX522 1SAP250100R0001 AX521 1SAP250200R0001 AO523 1SAP250300R0001 AI523 1SAP250600R0001 AI531 1SAP250700R0001 DA501 1SAP260300R0001 CD522 1SAP270000R0001 DC541-CM 3BDH000002R1 PM802F 3BDH000013R1 SA811F 3BDH000014R1 SD812F 3BDH000015R1 EI801F 3BDH000016R1 EI802F 3BDH000017R1 EI803F 3BDH000020R1 EI811F 3BDH000021R1 EI812F 3BDH000022R1 EI813F 3BDH000030R1 FI810F 3BDH000031R1 FI820F 3BDH000032R1 FI830F 3BDH000033R1 FI840F 3BDH000041R1 AM895F 3BDH000042R1 SY809F 3BDH000050R1 AM811F 3BDH000320R02 LD800HSE 3BDH000320R02 TK801V003 3BDH000364R0002 PM783F 3BDH000365R0001 TB711F 3BDH000367R0001 TA724F 3BDH000369R0001 AC722F 3BDH000370R0001 AX721F 3BDH000371R0001 DA701F 3BDH000372R0001 DC722F 3BDH000373R0001 DC723F 3BDH000374R0001 DI724F 3BDH000375R0001 DC732F 3BDH000376R0001 AI723F 3BDH000377R0001 AX722F 3BDH000378R0001 TU715F 3BDH000380R0001 TU731F 3BDH000381R0001 TU732F 3BDH000383R0001 DX722F 3BDH000384R0001 AO723F 3BDH000385R0001 AI731F 3BDH000387R0001 DX731F 3BDH000388R0001 DC705F 3BDH000389R0001 TU705F 3BDH000390R0001 TU706F 3BDH000393R0001 CD722F 3BDH001040R0001 CP-C245 3BDH001041R0001 CP-C2410 3BDH001043R0001 CP-CMM 3BDH001045R0001 CP-ACM 3BDM000100R1 TK831F 3BDM000103R1 TK811F 3BDM000160R1 TB870F 3BDM000200R1 SB808F 3BDM000201R1 TK891F 3BDM000202R1 TK890F 3BDM000210R1 TK807F 3BDM000211R1 TK808F 3BDM000213R1 TK802F 3BDM000356R1 TK817F 3BSC031155R1 BC810K02 3BSC610037R1 SD821 3BSC610038R1 SD822 3BSC610039R1 SD823 3BSC610042R1 SS822 3BSC610064R1 SD831 3BSC610065R1 SD832 3BSC610066R1 SD833 3BSC610067R1 SD834 3BSC610068R1 SS832 3BSC630049R1 TC562 3BSC630197R1 TK212A 3BSC630197R1 TK212A 3BSC690071R1 AI890 3BSC690072R1 AO890 3BSC690073R1 DI890 3BSC690074R1 DO890 3BSC690075R1 TU890 3BSC690086R1 AI895 3BSC690087R1 AO895 3BSC690141R1 AI893 3BSC840220R1 TU891Z 3BSC950089R1 TK801V003 3BSC950089R2 TK801V006 3BSC950089R2 TK801V006 3BSC950089R3 TK801V012 3BSC950089R3 TK801V012 3BSC950107R1 TK811V015 3BSC950107R2 TK811V050 3BSC950107R2 TK811V050 3BSC950107R3 3BSC950107R3 TK811V150 3BSC950107R3 TK811V150 3BSC950118R1 TK812V015 3BSC950118R3 TK812V150 3BSC950192R1 TK850V007 3BSC950193R1 TB850 3BSC950194R1 TB851 3BSC950201R1 TK853V020 3BSC950262R1 TK851V010 3BSC950263R1 TB852 3BSE008508R1 DI810 3BSE008510R1 DO810 3BSE008512R1 DI820 3BSE008514R1 DO820 3BSE008516R1 AI810 3BSE008520R1 AI835 3BSE008522R1 AO810 3BSE008534R1 TB805 3BSE008536R1 TB806 3BSE008538R1 TB807 3BSE008544R1 AI820 3BSE008546R1 AO820 3BSE008550R1 DI821 3BSE008552R1 DI811 3BSE008560R1 TB810 3BSE008568R1 TB811 3BSE008572R1 TU838 3BSE013088R1 DI885 3BSE013204R1 TB815 3BSE013208R1 TB820V2 3BSE013210R1 DI830 3BSE013212R1 DI831 3BSE013230R1 TU810V1 3BSE013231R1 TU811V1 3BSE013232R1 TU812V1 3BSE013233R1 TU814V1 3BSE013234R1 TU830V1 3BSE013235R1 TU831V1 3BSE013236R1 TU835V1
工作原理
