第二部分CC-Link的工作原理PPT课件

1、第二部分CC-Link的工作原理 CC-Link的物理结构 公共数据区域的概念 数据映射表 循环数据的传送 瞬时数据的传送 数据传送时间分析(Reliability, Availability, Serviceability)Complete RAS FunctionFeature of CC-LinkStand-byMasterAuto-restorecommu- nicationOn-LineExchange eDiagno-sticsMonitoringFunctionI do not want toReset Masterafter faultystation goesback wor

2、king.I want toavoid systembreak downownI want to monitorstatus ofcommunicationat Master station.I want to checkwiring, H/Wand so on.I hate that onefaulty stationinfluence theothersReliablesystem can berealized byCC-LinkMaster stationSB0080SW0080 0083EasyConfigurationSoftwareStand By Master station(L

3、ocal Station)Optical repeater（ （max.7.6km)Repeater(T-branch)Wireless Repeater (Infrared ray)Rotary Joint（ （10Mbps)Local StationControl by a master board for PC is available, too（）（）Many kinds of Partners ProductsCC-Link Network SystemMaster StationThis controls all slave stations connected to CC-Lin

4、k network.One master station is needed for a CC-link system.Local StationThis is the slave station that enables N:N cyclic communication with Master and / or other Local and transient communication.Remote I/O StationOnly Input / Output (bit data) can be handled by this station.Remote Device StationI

5、nput / Output (bit data) and numerical data (word data) can be exchanged by this station. Intelligent Device StationThis station can perform data exchange, such as Input / Output (bit data) and numerical data (word data).And transient communication is also availablefor SI, GI fiber cableup to 2.5Mbp

6、s、 、0100m full range of communication speed supportedFrom 3rd partyNumber of connectable stationsSpecifications of CC-LinkHMIRobotControllerRobotRemote I/OBitBitBitWordBitWordBitRx/yBitRx/yBitWordRx/yRwBitWordRx/yRwRx/yRwRwMasterBitWordBitWordRx/yRwRwCyclic CommunicationMasterLocalInverterSensorValv

7、eAnalog I/ORemote I/O:2,048bit Remote Register： ：512word Rx/yRx/yRx/yRx/yRobotControllerMessageMessageMessage150 byte / 1 Scan=34 byte / 1 ScanTransient Communication (Max.960 bytes)MasterLocalHMIRobotDigital I/OBitBitBitWordBitWordBitRx/yBitRx/yBitWordRx/yRwBitWordRx/yRwRx/yRx/yRx/yRwRx/yRwMasterBi

8、tWordBitWordRx/yRwRx/yRwInverterSensorValveAnalog I/ORemote I/O:2,048bit Remote Register： ：512word Inter-Controller NetworkDe-central Control system can be realized by using N:N communication between controllers with cyclic communication. MasterLocalIntelligent DeviceAnalog I/OInverterSensorValveRou

9、gh value of CC-Link Scan Time (In case cyclic communication is used under 10Mbps communication speed)01234560204060Number of stationsLink Scan TimeSOnly Remote I/O connected4 4ms/64 Stationsms/64 Stations (2048bits Communication speed / 10Mbps) (2048bits Communication speed / 10Mbps)Feature of CC-Li

10、nkOnly Remote Device connected (Each one station occupied)Only Local / Intelligent Device connected (Each one station occupied)MasterSlave 1Slave 2 Slave n(1)Polling to slave 1+ Sending data (refresh data) to all slave stations(1)Response (refresh data) from slave 1(Receivable at all stations)(2)Pol

11、ling to slave 2(2)Response (refresh data) from slave 2(Receivable at all stations)(n)Response (refresh data) from slave n(Receivable at all stations)(3)Polling to slave 3(1)Polling to slave 1+ Sending data (refresh data) to all slave stations(1)Response (refresh data) from slave 1(Receivable at all

12、stations)(2)Polling to slave 2(2)Response (refresh data) from slave 2(Receivable at all stations)(n)Response (refresh data) from slave n(Receivable at all stations)(3)Polling to slave 3Since MFP (Mitsubishi Field network Processor) carries out communication process between master and slave stations,

13、 high speed and stable communication is realized. Frame Format远程终端的形式远程描述典型单元数据形式主站主站网络的主站控制单元主站一定是一个程控器每个网络只有一个主站PLCRX, RYRWr, RWwMessage远程远程 I/OI/O处理 ON-OFF 数据每个网络可以有 64 个远程 I/ODigital I/OPnumatic valveRX, RY远程设备远程设备处理 ON-OFF 数据+字数据每个网络可以有 42 个远程设备Analog I/OTemp. controllerRX, RYRWr, RWw智能设备智能设备处理

14、 ON-OFF 数据+字数据+信息数据每个网络可以有 26 个智能设备RS232C I/FLocalLocal这是主站边上的另一个 PLCLocal PLC 是一种智能设备PLC备用主站备用主站这是一种智能设备，也是一种 Local PLC；当主站工作时，它是一个 Local PLC ；当主站出现故障时，它作为主站工作；每个网络只有 1 个备用主站。PLCRX, RYRWr, RWwMessage数据形式设备名称描述大小/站大小/网络适用的远程终端RX远程输入输入主站/local PLC 的位数据32 bits2048 bits远程I/O远程设备智能设备主站/Local PLCRY远程输出从主

15、站/local PLC输出的位数据32 bits2048 bits远程I/O远程设备智能设备主站/Local PLCRWr远程寄存器（读）输入主站/local PLC 的字数据4 words256 words远程设备智能设备主站/Local PLCRWw远程寄存器（写）从主站/local PLC输出的字数据4 words256 words远程设备智能设备主站/Local PLCMessage非刷新数据。用于传送大容量的数据智能设备主站/Local PLCMax. logical remote devices : RX:2048 bits + RY: 2048 bits + RWr:256 wo

16、rds + RWw: 256 words = 768 words远程设备/数据形式的关系数据形式数据形式RXRYRWrRWwMessage主站主站YesYesYesYesYes远程远程 I/PYesYesXXX远程设备远程设备YesYesYesYesX智能设备智能设备YesYesYesYesYesLocalYesYesYesYesYes远程设备的形式备用主站备用主站YesYesYesYesYes传送方法 循环数据的刷新 刷新设备:RX, RY, RWr, RWw 刷新范围取决于远程终端的数量和型号 刷新所有连接的站点 刷新操作无需梯形图编程. 注：网络模块与CPU之间的刷新需要编程。传送方法

17、信息传送 无循环数据传送 对于主站/就地站/智能远程设备有效 需要在程序中添加CC-Link命令(只对AnSH, QnA, QnAS有效) 也通过G4单元进行程序转换循环的数据刷新RXRYRWrRWwRXRYRWrRWwRXRYRWrRWwRXRYRWrRWw主站主站远程远程I/OI/O，设备，设备，智能站智能站就地站就地站就地站就地站Data sourceOriginal data destination诊断设备 SB, SW : 诊断继电器/寄存器 监控网络的状态和错误SB0 to 3F位设备CPU 设备内存主站/就地站的缓冲寄存器FROM/TO自动刷新参数注；QnACPU的SB/SW不能

18、被用作CC-Link SB/SW的刷新区 应使用其它CPU设备字设备SB40 to 1FFSW0 to 3FSW40 to 1FF内存图网络参数RXRYRWrRWwSBSW自由使用的内存远程输入区由远程I/O，设备，智能站以及PLC就地站刷新。网络参数区由梯形图程序或QnA的自动刷新参数设定。只有PLC主站需要。由远程输出区刷新远程I/O，设备，智能站和PLC就地站。远程寄存器输入区由远程设备，智能站以及PLC就地站刷新。由远程寄存器输出区刷新远程设备，智能站和PLC就地站。CC-Link 诊断继电器CC-Link 诊断继电器Auxiliary memory maybe accessed from other master/local PLC by RIRD or RIWT commands主站/就地站模块的内存图循环的数据刷新RXRYRWrRWwRXRYRWrRWwRXRYRWrRWw