第2章 CPM1A系列PC的规格与系统构成09-4-16.ppt

1、Chapter two,CPM1A series PLC,了解CPM1A的规格及系统构成， know specification and system constitution of CPM1A,基本要求 learning objective,了解各个继电器区的用途。Know usage of every relay sections,了解CPM1A的基本功能及通信功能； know basic and communication functionalities of CPM1A.,掌握CPM1A的继电器区及数据区； master relay section and data section o

2、f CPM1A,掌握特殊辅助继电器区中的一些特殊位的使用。 Master usage of certain special bits in special auxiliary relay section,2-1 概述 summary,2-1-1 CPM1A系列PLC的各种单元 units of CPM1A serials PLC,按I/O点数分 Sorted by the number of I/O,10、20、30、40 points,按电源类型分 Sorted by power supply type,分直流和交流型 DC and AC,按输出方式分 Sorted by output mo

3、de,继电器输出型 Relay output type,晶体管输出型 Transistor ouput type,CPM1A系列PLC的I/O扩展单元 I/O extending unit of CPM1A serials PLC,1. I/O扩展单元的规格和类型,主机的规格（表2.1） Host specification,CPM1A-20EDR I/O扩展单元的外观 Appearance of CPM1A-20EDR I/O extending unit,连接电缆 Join cable,I/O扩展器 I/O enlarger,输入点LED Input LED,输出点LED Output L

4、ED,2. PLC的I/O扩展方法 PLC I/O extending method,40点的主机 40-points host,连接三个20点的扩展器 Enlarger that joining three 20-points I/O,扩展到100个I/O点 Extends to 100 I/O points,CPM1A的基本构成 Basic constitution of CPM1A,10点型、 20点型 10-points/20-points type,30点型、 40点型 30-points/40-points type,0000000011,0100001007,0010000111

5、,0110001107,0020000211,0120001207,0030000311,0130001307,0040000411,0140001407,最多能连接3台I/O扩展单元 Link as much as 3 I/O extending units,无I/O扩展连接器 Without I/O extending linker,内部继电器区（IR） Internal relay section,特殊辅助继电器区（SR） Special auxiliary section,暂存继电器区（TR） Temporary relay section,保持继电器区（HR） Holding sec

6、tion,辅助记忆继电器区（AR） Auxiliary memory relay section,链接继电器区（LR） Linking relay section,定时器/计数器区（TC） Timer/counter section,数据存储区（DM） Data memory section,2-2 CPM1A的继电器区及数据区 Relay section and data section of CPM1A,返回 back,CPM1A内部器件的编号 Serial number of CPM1A interior parts,内部器件以通道形式的编号 Interior parts numbere

7、d in channel form,通道编号为2、3、4位数不等 Channel serial number is 2 or 3 or 4 digits,每个通道内有16个继电器（0015） Each channel has 16 relays(0015),例：某继电器的编号为01006。 For example, certain relay serial number is 01006,则：该继电器的通道编号为010、位编号为06。 Then, its channel serial number is 010, digit serial number is 06,2-2-1 内部继电器区（I

8、R） Interior relay section,输入/输出继电器区 Input/output relays section,内部辅助继电器区 Interior auxiliary relay section,输入继电器(10通道) Input relay(10 channels),输出继电器(10通道) Output relay(10 channels),200231 ,32个通道，512点， (不能直接对外输出) 200231 ,32 channels , 512 points, (cannot be output directly),没被使用的通道，可作为内部辅助继电器使用。 Chan

9、nels not used can be used as interior auxiliary relay.,000019,200231,000，001：CPU单元输入, 002009：扩展单元输入,010，011：CPU单元输出, 012019：扩展单元输出,SR区（231255）分为前、后两部分 SR section （231255）is divided into two parts,232251 ：常以通道为单位使用used in channel,232249 没作表中指定功能时，可作内辅助继电器用 232249 can be used as interior auxiliary rel

10、ay, provided the function denoted in the table not used.,250、251 只能按表中的功能使用，不能另作他用。 250、251 cannot be used as anything except the function denoted in the table,前半部分First half,2-2-2 特殊辅助继电器区（SR） Special auxiliary relay section,252255 用于存储工作状态、产生脉冲信号等 252255 be used storing work status, generating pul

11、se signal, etc.,除25200外，252255 的状态只可利用、不可改变。 Except 25200，the status of 252255 are only available, unchangeable.,后半部分Second half,2-2-3 暂存继电器区（TR）Temporary relay section,该区继电器（TR0TR7）编号要冠以TR。 the serial number of the relay in this section（TR0TR7）should be referenced with letters TR。,用于存储梯形图中分支点之前的 ON

12、/OFF 状态。 Be used for storing ON/OFF status that before branch point in trapezoid diagram .,同一程序中，某一编号的TR继电器不可重复使用。 TR relay of a certain serial number should not be referenced repeatedly within the same program.,2-2-保持继电器区（HR） Holding relay section,该区继电器（HR00HR19）编号要冠以HR。 The serial number of the re

13、lay in this section（HR00HR19）should be referenced with letters HR。,保持继电器具有掉电保持功能。 Holding relay has power off holding function.,该区继电器可以通道或位为单位使用。 Relay in this section can be used in channel or bit.,2-2-5 辅助记忆继电器区（AR） assist remember relay section,该区继电器（AR00AR15）编号要冠以AR。 the relay （AR00AR15） in this

14、 section should be referenced with letters AR。,AR区继电器具有掉电保持功能 Relay in AR section has power-off holding function.,AR区继电器用于保存PLC的各种工作状态。 Relays in AR section are used for storing all kinds of PLC work status.,根据该区某些继电器的状态，可了解PLC的工作状况。 According to the status of some relay in this section, you can kno

15、w PLC work status.,2-2-6 链接继电器区（LR） link relay section,该区通道（LR00LR15）编号要冠以LR Channels （LR00LR15） of this section should be referenced with letters LR,CPM1A与本系列或本公司其他PLC进行1：1链接通信时，要使用LR区进行数据链接。 when CPM1A doing 1:1 link communication with PLC of this serial or other PLC of this company should make da

16、ta link in LR section,不作1：1链接通信时，LR区可作内部辅助继电器用。 LR section can be used as interior auxiliary relay when not doing 1:1 link communication.,2-2-7 定时器/计数器区（TC） Timer /counter,TC号为： 000127 The serial numbers of TC is:000127,定时器分类 Timer,普通定时器 Ordinary timer,高速定时器 High-speed timer,计数器分类 counter,普通计数器 Ordi

17、nary counter,可逆计数器 Reversible counter,计数器有掉电保持功能，定时器没有此功能。 counters have power-off holding functionality, timers dont.,同一程序中，计数器和定时器不能使用同一编号。 counter and timer should not have the same serial number within one program.,2-2-8 数据存储区（DM）,DM0000DM1023,DM6144DM6655, 该区继电器只能以通道为单位使用！ relay of this section

18、 must be used in unit., 该区继电器具有掉电保持功能。 relay of this section has power-off holding Functionality.,该区继电器分为三部分 relay of this section divided into three parts, 程序读写区 program read/write section： DM0000DM0999、 DM1022DM1023,故障履历存储区Fault record memory section ： DM1000DM1021,不作该用途时，可作普通数据存储器用。 Can be used a

19、s ordinary data section, when this usage not applied, 只读存储区read-only memory section ： DM6144DM6599, 系统设定区system set up section ：DM6600DM6655,系统设定区的设定内容见表2.5。 refer to table 2.5 for contents of system set up section,系统设定区的设定内容可用编程工具写入。 The content of system set up section can be read-in with program

20、tool,返回,若系统设定区的设定出错，则辅助记忆继电器的对应位为ON。if system sets up wrongly, the corresponding bit of auxiliary memory relay is ON.,系统设定区的设定内容，可在指定时间读取。 The content of system setup section can be read at specified time.,系统设定区的设定错误，只能用初始化来处理。 The error of system setup section can only be dealt with through initial

21、ization.,2-4 CPM1A的功能简介 introduction to CPM1A functionality,输入时间常数设定功能 Input time constant setup functionality,输入滤波器时间常数 的设定，设定单元：DM6620DM6625 Setup for input filter time constant ，setup units：DM6620DM6625,DM66206625,设定值范围：1128ms，缺省为8ms setup value range：1128ms，default value is 8ms,干扰脉冲,输入信号,输入时间常数,

22、滤波后的信号,经过输入滤波后干扰脉冲将被滤掉,Interference pulse,Input signal,Input time constant,Filtered signal,interference pulse will be wiped off after input filtering.,外部输入中断 Exterior input interference,输入中断模式：中断输入脉冲的上升沿响应中断。 input interrupt mode: ascending-edge respond interrupt of interrupt input pulse.,计数中断模式：对外部

23、输入进行高速计数，计数到响应中断，计数范围065535，计数最高频率1KHz。 counting interrupt mode: high-speed counting of exterior input until respond interrupt occurs, with counting range of 065535, highest counting frequency of 1KHz.,.外部输入中断功能 exterior input interrupt functionality,CPM1A： 10点I/O型CPU有2点： 00003、00004 20点、30点、40点I/O型

24、CPU有4点：0000300006,DM6628,响应中断时，停止执行主程序而转到中断处理子程序。,执行完中断处理子程序，再返回断点继续执行主程序。,使用输入中断功能时，必须在系统设定区中进行设定。,When respond interrupt occurs, stop executing main program, turning to interrupt service sub-program.,Turn back to break point to continue executing main program after executing interrupt service sub-

25、program.,When using the input interrupt function, the set-up must be done in system set-up section.,4. 快速响应输入功能,该功能可使输入/输出响应不受扫描周期的影响。,能随时接收脉冲宽度小于0.2ms 的瞬间脉冲信号。,使用快速响应功能时，要在系统设定区中设定。,快速响应输入点与外部输入中断点相同。,DM6628,4. Fast respond input functionality,Can receive instant pulse signal of which the pulse wid

26、th less than 0.2ms at any time.,Setup should be done in system setup section when using fast respond functionality.,Fast respond input point is the same with exterior input break point.,This functionality guarantee that input/output respond do not be affected with scanning period.,间隔定时中断,单次中断功能：定时时间

27、到，只进行一次中断。,重复中断功能：每隔一定时间，就中断一次。,间隔时间范围：0.5319968ms。（以0.1ms为单位）,间隔定时中断功能,Interval timing interrupt,single-time interrupt function：only one interrupt be allowed as the time is up.,Repeated interrupt function：one interrupt be allowed every other period.,Interval time range：0.5319968ms.(in 0.1ms）,Interv

28、al timing interrupt functionality,高速计数器功能 High speed counter function,递增输入模式,增减输入模式,脉冲输入端00000，计数频率 5KHz，计数范围 065535,脉冲输入端：00000（A相） 00001（B相） 00002（Z相，复位输入） 计数频率 2.5KHz计数范围 32767+32767,DM6642,Increase by degrees input mode,Pulse input terminal 00000，counting frequency is 5KHz，counting range is06553

29、5,Increase and decrease input mode,Pulse input terminal：00000（A phase） 00001（B phase） 00002（Z phase，reset input）Counting frequency is 2.5KHzcounting range is 32767+32767,7. 脉冲输出,CPM1A的晶体管输出型能产生20Hz2KHz的单相脉冲输出，占空比位50%，输出点为01000或01001。输出脉冲的数量、频率分别由指令PLUS、SPED控制。,7. Pulse output,CPM1A transistor output

30、 type can generate single-phase pulse output of 20Hz2KHz ，占空比? is 50%，output point is 01000 or 01001. output pulse numbers and frequency are controlled by the instruction PLUS、SPED.,8. 较强的通信功能,可与计算机进行上位链接通信；,与本公司的可编程终端链接通信；,与本系列的PLC之间进行通信；,DM6650 DM6653,8. Strong communication functionality,Can comm

31、unicate with upper computer；,Can communicate with programmable terminal；,Can communicate with PLC of this series；,DM6650 DM6653,9. 丰富的指令系统,基本指令 14种；应用指令 79种（139条）,算术运算指令、逻辑运算指令；,数据传送指令、数据比较指令、数据转换指令；,高速计数器控制指令、脉冲输出控制指令；,子程序控制指令、中断控制指令；,步进控制指令、特殊功能指令、故障诊断指令等。,逻辑控制指令、定时器/计数器、移位寄存器指令；,9. Abundant instr

32、uction system,arithmetic operation instruction, logic operation instruction；,data transfer instruction, data comparison instruction, data conversion instruction；,High-speed counter control instruction, pulse output control instruction；,Sub-program control instruction, interrupt control instruction；,

33、Step control instruction, special function instruction, fault diagnosis instruction and so on.,14 kinds of basic instructions ；79 kinds of (139 pieces of) application instructions,1HOST Link 通信,（1）1:1 HOST Link,RS-232C 适配器,CPM1A 主机 host,CPM1A没有RS-232C口,可通过外设端口，用适配器与上位机连接实现通信。,计算机,2-5 CPM1A的通信功能 Comm

34、unication functionality,CPM1A dont have RS-232 port,can communicate with upper computer through peripheral port using adapter,RS-232C adapter,(2) 1:N HOST Link,RS-422 适配器,RS-422 适配器,RS-422 适配器,CPM1A 主 机,上位计算机 Upper computer,CPM1A主 机,B500-AL004 LINK适配器,The function of Upper computer ： Work status tra

35、ck inspection and measure、error alarming、some data in acquisition system.,Upper computer can modify some setup value and present value of PLC on line, rewrite PLC users program and so on.,CPM1A 主 机,2NT Link通信,CPM1A主 机 host,PT can display all kinds of data and work status of PLC, can watch and contro

36、l PLC control system.,PT,PLC,PT,在装有专用软件的计算机上完成做画面、参数设定等操作.,RS-232C 适配器 adapter,RS-232C 电 缆cable,用PT的触摸按键，可改变PLC某些设定值、当前值等。,Complete such operation as menu producing and parameter setup on computer installed special software.,using the touch key of PT can change some setup value and present value of PLC.,3 1:1 PLC Link通信,when two PLC 1:1 link communication,RS