3 s7培訓(xùn)教材24 通過(guò)mpi的通訊

1、SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.1通過(guò)MPI的通訊PG 720SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.2SIMATIC的網(wǎng)絡(luò)PG 720OPsP

2、Cs, OSPGsMPI network Industrial EthernetPROFIBUSPoint-to-Point單元層-SINUMERIK, RCMSIMATIC S5S7-400M7-400S7-300-TI 505-Other PLCPROFIBUS-DPDP/AS-I link 現(xiàn)場(chǎng)層ET 200B/LAS-I層AS-IAS-I power supplysubmodulesField device with AS-I ASICSensors and ActuatorsET 200CASI (Actuator Sensor Interface)SIMATIC S7Siemens

3、 AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.3S7 的通訊S7 通訊同源通訊非同源通訊S7 協(xié)議非西門子的協(xié)議(MPI)如 FDL, FMS 和 MAPSIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C

4、.4作為系統(tǒng)功能的通訊PG 功能(如裝載, 監(jiān)視/修改變量)WinCC 功能PG 連接總是可行的通訊所占用的循環(huán)時(shí)間可以限制(CPU 參數(shù))S7 通訊的方法通過(guò)MPI的循環(huán)或驅(qū)動(dòng)通過(guò)MPI, Profibus 或通過(guò)MPI或K總線的驅(qū)動(dòng)Industrial Ethernet的驅(qū)動(dòng)SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.5SFBSFBSFCSFC擴(kuò)展通訊(配置的通訊 )基本通

5、訊( 非配置的連接 )CPU的操作系統(tǒng)CPU的操作系統(tǒng)全局?jǐn)?shù)據(jù)SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.6通過(guò)MPI組成的網(wǎng)絡(luò)S7-300 或 S7- 400S7-300 或 S7- 400CPU 1CPU 22通過(guò)MPI連接PG通過(guò)MPI的PLC連接0通過(guò)MPI連接OP1PG 720n缺省的 MPI 地址MPI連接器的選擇終端電阻開關(guān)SIMATIC S7Siemens AG

6、 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.7接CPU的MPI接口連接PG/HMI接CPU的MPI接口總線連接器終端電阻帶有Profibus-DP 接口的CPU需要終端電阻N= Profibus-DP節(jié)點(diǎn)NNN帶有Profibus-DP 接口的CPU需要終端電阻需要終端電阻N=Profibus-DP節(jié)點(diǎn)NNSIMATIC S7Siemens AG 2000. All rights reserved.Informati

7、on and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.8NNNNSIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.9全局?jǐn)?shù)據(jù)綜述CPU 1CPU 2CPU 3MW 10MW 20MW 30全局?jǐn)?shù)據(jù)SIMATIC S7Siemens AG 2000. All rights reserved

8、.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.10全局?jǐn)?shù)據(jù)組全局?jǐn)?shù)據(jù)組S=發(fā)送； R=接收； GD x.y=全局?jǐn)?shù)據(jù)包y 位于全局?jǐn)?shù)據(jù)組 x中CPU5CPU4CPU3CPU2CPU11S GD 1.1R GD 1.1R GD 1.2S GD 1.22R GD 2.1S GD 2.1R GD 2.1R GD 2.1R GD 2.13S GD 3.1R GD 3.2R GD 3.1S GD 3.24R GD 4.1S GD 4.1R GD 4.15S GD 5.1R GD

9、5.1R GD 5.16R GD 6.1S GD 6.1R GD 6.1全局?jǐn)?shù)據(jù)：配置步驟SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.11q 在項(xiàng)目中生成硬件站 使用“SIMATIC 管理器q 為每個(gè)CPU指定MPI地址并下裝組態(tài) 使用“硬件組態(tài)” 工具q 配置全局?jǐn)?shù)據(jù)表 使用“定義全局?jǐn)?shù)據(jù)表” 工具SIMATIC S7Siemens AG 2000. All rights r

10、eserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.12全局?jǐn)?shù)據(jù): 配置硬件Accessible NodesCPU所連的網(wǎng)絡(luò)設(shè)定 MPI 地址生成站SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.13編輯全局?jǐn)?shù)據(jù)表重復(fù)系數(shù)定義全局?jǐn)?shù)據(jù)選擇CPU打開全

11、局?jǐn)?shù)據(jù)表SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.14編譯全局?jǐn)?shù)據(jù)表定義掃描率和狀態(tài)信息編譯全局?jǐn)?shù)據(jù)表SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.15下裝全局

12、通訊的配置數(shù)據(jù)下裝全局通訊的配置數(shù)據(jù)SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.16全局?jǐn)?shù)據(jù)通訊的狀態(tài)信息發(fā)送方長(zhǎng)度錯(cuò)誤發(fā)送方的DB不存在全局?jǐn)?shù)據(jù)包丟失在全局?jǐn)?shù)據(jù)包里語(yǔ)法錯(cuò)誤在全局?jǐn)?shù)據(jù)包中對(duì)象缺少接收方和發(fā)送方的全局?jǐn)?shù)據(jù)長(zhǎng)度不一致接收方長(zhǎng)度錯(cuò)誤接收方的DB不存在接收方已收到新的數(shù)據(jù)發(fā)送方執(zhí)行了一次重啟動(dòng)MD 120MB 120MB 121MB 122MB 12376545432

13、107654321076543210SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.17練習(xí)12.1: 通訊的準(zhǔn)備培訓(xùn)設(shè)備1培訓(xùn)設(shè)備2站 2SIEMENS節(jié)點(diǎn)號(hào):.CPU-MPI 地址:.PG 740站 1SIEMENS節(jié)點(diǎn)號(hào):.CPU-MPI 地址:.PG 740SIMATIC S7Siemens AG 2000. All rights reserved.Information

14、and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.18練習(xí)12.2: 配置全局?jǐn)?shù)據(jù)通訊0815471108154711PLC2 站PLC1 站SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDate: File:2018/9/30SSP2_12C.19練習(xí)12.3: 在幾個(gè)站中監(jiān)視變量SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge