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1、 Preface Preface 1 1 Product Overview Product Overview 2 2 Operator controls and indicators Operator controls and indicators 3 3 Setting up an S7 300 with a Technology CPU Setting up an S7 300 with a Technology CPU 4 4 Communication with the S7 300 Communication with the S7 300 5 5 Memory concept Me
2、mory concept 6 6 Cycle and response times Cycle and response times 7 7 Technical Specifications Technical Specifications 8 8 Information for the Changeover to the Technology CPU Information for the Changeover to the Technology CPU 9 9 Appendix A Appendix A A A SIMATIC S7 300 S7 300 CPU Data CPU 317T
3、 2 DP SIMATIC S7 300 S7 300 CPU Data CPU 317T 2 DP SIMATIC SIMATIC S7 300 S7 300 S7 300 CPU Data CPU 317T 2 DPS7 300 CPU Data CPU 317T 2 DP Manual Manual 12 2005 12 2005 A5E00251770 04 www PLC Safety Guidelines Safety Guidelines This manual contains notices you have to observe in order to ensure you
4、r personal safety as well as to prevent damage to property The notices referring to your personal safety are highlighted in the manual by a safety alert symbol notices referring only to property damage have no safety alert symbol These notices shown below are graded according to the degree of danger
5、 Danger Danger indicates that death or severe personal injury willwill result if proper precautions are not taken Warning Warning indicates that death or severe personal injury maymay result if proper precautions are not taken Caution Caution with a safety alert symbol indicates that minor personal
6、injury can result if proper precautions are not taken Caution Caution without a safety alert symbol indicates that property damage can result if proper precautions are not taken Notice Notice indicates that an unintended result or situation can occur if the corresponding information is not taken int
7、o account If more than one degree of danger is present the warning notice representing the highest degree of danger will be used A notice warning of injury to persons with a safety alert symbol may also include a warning relating to property damage Qualified Personnel Qualified Personnel The device
8、system may only be set up and used in conjunction with this documentation Commissioning and operation of a device system may only be performed by qualified personnelqualified personnel Within the context of the safety notes in this documentation qualified persons are defined as persons who are autho
9、rized to commission ground and label devices systems and circuits in accordance with established safety practices and standards Prescribed Usage Prescribed Usage Note the following Warning Warning This device may only be used for the applications described in the catalog or the technical description
10、 and only in connection with devices or components from other manufacturers which have been approved or recommended by Siemens Correct reliable operation of the product requires proper transport storage positioning and assembly as well as careful operation and maintenance Trademarks Trademarks All n
11、ames identified by are registered trademarks of the Siemens AG The remaining trademarks in this publication may be trademarks whose use by third parties for their own purposes could violate the rights of the owner Disclaimer of Liability Disclaimer of Liability We have reviewed the contents of this
12、publication to ensure consistency with the hardware and software described Since variance cannot be precluded entirely we cannot guarantee full consistency However the information in this publication is reviewed regularly and any necessary corrections are included in subsequent editions Siemens AG A
13、utomation and Drives Postfach 48 48 90437 N RNBERG GERMANY Order No A5E00251770 04 Edition 12 2005 Copyright Siemens AG Technical data subject to change www PLC Table of contents Table of contents 1 Preface 1 Preface 1 11 1 2 Product Overview 2 Product Overview 2 12 1 3 Operator controls and indicat
14、ors 3 Operator controls and indicators 3 13 1 4 Setting up an S7 300 with a Technology CPU 4 Setting up an S7 300 with a Technology CPU 4 14 1 4 1 Overview 4 1 4 2 S7 300 components 4 1 4 3 Configuring 4 2 4 4 Subnets 4 2 4 4 1 Expanding and Networking Subnets 4 2 4 4 2 Interfaces 4 3 4 5 Addressing
15、 4 4 4 6 Commissioning 4 5 4 7 Operating system 4 6 4 8 Status and error displays of the Technology CPU 4 6 5 Communication with the S7 300 5 Communication with the S7 300 5 15 1 5 1 Interfaces 5 1 5 1 1 Overview 5 1 5 1 2 MPI DP interface X1 5 1 5 1 3 PROFIBUS DP DRIVE interface X3 5 3 5 2 DPV1 X1
16、only as PROFIBUS DP interface 5 4 5 3 Communication services on the MPI DP interface X1 5 6 5 3 1 Overview of communication services 5 6 5 3 2 PG communication 5 7 5 3 3 OP communication 5 7 5 3 4 S7 basic communication 5 8 5 3 5 S7 communication 5 8 5 3 6 Global data communication 5 9 5 3 7 Routing 5 10 5 3 8 Data consistency 5 13 5 4 S7 communication structure 5 13 5 4 1 Communication path of an S7 connection 5 13 5 4 2 Assignment of S7 connections 5 14 5 4 3 Distribution and availability of S
