S7-300 CPU 31xC And CPU 31x: Specifications

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PrefaceSIMATIC S7-300 CPU 31xC and CPU 31x: SpecificationsSIMATICS7-300CPU 31xC and CPU 31x:SpecificationsManualGuide to the S7-300documentation1Operating and displayelements23Communication4Memory concept5Cycle and reaction times6General technical data7Technical data of CPU 31xC8Technical data of CPU 31xAAppendixThis manual is included in the documentation packagewith Order No.:6ES7398-8FA10-8BA006/2008A5E00105475-08

Legal informationWarning notice systemThis manual contains notices you have to observe in order to ensure your personal safety, as well as to preventdamage to property. The notices referring to your personal safety are highlighted in the manual by a safety alertsymbol, notices referring only to property damage have no safety alert symbol. These notices shown below aregraded according to the degree of danger.DANGERindicates that death or severe personal injury will result if proper precautions are not taken.WARNINGindicates that death or severe personal injury may result if proper precautions are not taken.CAUTIONwith a safety alert symbol, indicates that minor personal injury can result if proper precautions are not taken.CAUTIONwithout a safety alert symbol, indicates that property damage can result if proper precautions are not taken.NOTICEindicates that an unintended result or situation can occur if the corresponding information is not taken intoaccount.If more than one degree of danger is present, the warning notice representing the highest degree of danger willbe used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating toproperty damage.Qualified PersonnelThe device/system may only be set up and used in conjunction with this documentation. Commissioning andoperation of a device/system may only be performed by qualified personnel. Within the context of the safety notesin this documentation qualified persons are defined as persons who are authorized to commission, ground andlabel devices, systems and circuits in accordance with established safety practices and standards.Prescribed UsageNote the following:WARNINGThis device may only be used for the applications described in the catalog or the technical description and onlyin connection with devices or components from other manufacturers which have been approved orrecommended by Siemens. Correct, reliable operation of the product requires proper transport, storage,positioning and assembly as well as careful operation and maintenance.TrademarksAll names identified by are registered trademarks of the Siemens AG. The remaining trademarks in thispublication may be trademarks whose use by third parties for their own purposes could violate the rights of theowner.Disclaimer of LiabilityWe have reviewed the contents of this publication to ensure consistency with the hardware and softwaredescribed. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, theinformation in this publication is reviewed regularly and any necessary corrections are included in subsequenteditions.Siemens AGIndustry SectorPostfach 48 4890026 NÜRNBERGGERMANYA5E00105475-08 08/2008Copyright Siemens AG 2008.Technical data subject to change

PrefacePurpose of the ManualThis manual contains essential information: about installation about communication about the memory concept about the cycle and response times, about the CPU technical data, about changing to one of the CPUs discussed here.Required basic knowledge To understand this manual, you require a general knowledge of automation engineering. You require a knowledge of STEP 7 basic software.Area of applicationTable 1Scope of this manualCPUConvention:CPU designations:Order numberAs of VersionfirmwareCPU 312CCPU 31xC6ES7312-5BE03-0AB0V2.6CPU 313C6ES7313-5BF03-0AB0V2.6CPU 313C-2 PtP6ES7313-6BF03-0AB0V2.6CPU 313C-2 DP6ES7313-6CF03-0AB0V2.6CPU 314C-2 PtP6ES7314-6BG03-0AB0V2.6CPU 314C-2 DP6ES7314-6CG03-0AB0V2.66ES7312-1AE13-0AB0V2.6CPU 3146ES7314-1AG13-0AB0V2.6CPU 315-2 DP6ES7315-2AG10-0AB0V2.6CPU 315-2 PN/DP6ES7315-2EH13-0AB0V2.6CPU 312CPU 31xCPU 317-2 DP6ES7317-2AJ10-0AB0V2.6CPU 317-2 PN/DP6ES7317-2EK13-0AB0V2.6CPU 319-3 PN/DP6ES7318-3EL00-0AB0V2.7CPU 31xC and CPU 31x: SpecificationsManual, 06/2008 , A5E00105475-083

SIMATIC S7-300 CPU 31xC and CPU 31x: SpecificationsNoteThe special features of the F-CPUs of the S7 spectrum can be found as product informationon the Internet 11669702/133300).NoteFor new modules, or modules of a more recent version, we reserve the right to include aProduct Information containing latest information.Changes in comparison to the previous versionChanges compared to the previous version of this Manual CPU31xC and CPU31x: TechnicalData, Release 12/2006 (A5E00105491-07):New properties of the CPU 319-3 PN/DP V2.7 PROFINET IO with IRT (Isochronous Real Time) with the option "High flexibility" Prioritized startup for IO devices Replacing of PROFINET IO devices without removing the storage medium Changing IO devices during operation (changing partner ports) Increase in the OUC connection resources from previously 8 to 32 Increase in the maximum number of simultaneously active Alarm-S blocks to 300 CBA extensions (supporting of further data structures) Data set routing Extension of the Web server functionality:– Module state– TopologyFirmware update via networks is possible for all CPUs.Standards and certificationsIn Chapter General technical data, you will find information about standards, certificates andapprovalsRecycling and DisposalThe devices described in this manual can be recycled, due to their ecologically compatiblecomponents. For environment-friendly recycling and disposal of your old equipment, contacta certified disposal facility for electronic scrap.4CPU 31xC and CPU 31x: SpecificationsManual, 06/2008 , A5E00105475-08

Table of contentsPreface . 3123Guide to the S7-300 documentation . 91.1Documentation classification .91.2Guide to the S7-300 documentation .12Operating and display elements . 172.12.1.12.1.2Operating and display elements: CPU 31xC .17Operating and display elements: CPU 31xC .17Status and error indicators: CPU 31xC.202.22.2.12.2.22.2.32.2.42.2.5Operating and display elements: CPU 31x.21Operating and display elements: CPU 312, 314, 315-2 DP: .21Operating and display elements: CPU 317-2 DP .23Operating and display elements: CPU 31x-2 PN/DP .25Operating and display elements: CPU 319-3 PN/DP .27Status and error displays of CPU 31x.29Communication. 313.13.1.13.1.23.1.33.1.3.13.1.4Interfaces .31Multi-Point Interface (MPI) .31PROFIBUS DP.34PROFINET .37Configuring the port properties .40Point to Point (PtP) nication services.42Overview of communication services .42PG communication.44OP communication.44Data exchanged by means of S7 basic communication.44S7 communication .45Global data communication (MPI only).46Routing.47Data set routing.51Point-to-point connection .52Data consistency.52Communication by means of PROFINET .53PROFINET IO System .56Blocks for PROFINET IO .58Open communication via Industrial Ethernet .60SNMP Communication Service.633.33.3.13.3.23.3.3Web server.64Language settings.66Settings in HW Config, "Web" tab.68Updating.70CPU 31xC and CPU 31x: SpecificationsManual, 06/2008 , A5E00105475-085

Table of 53.3.4.63.3.4.73.3.4.83.3.4.9Web pages . 71Start page with general CPU information. 71Identification . 73Diagnostics buffer . 74Module state. 76Messages . 82PROFINET . 84Topology. 86Variable status . 90Variable tables . 913.43.4.13.4.23.4.33.4.4S7 connections. 94S7 connection as communication path . 94Assignment of S7 connections. 95Distribution and availability of S7 connection resources. 97Connection resources for routing. 993.5DPV1 . 100Memory concept . 1034.14.1.14.1.24.1.34.1.44.1.5Memory areas and retentivity. 103CPU memory areas. 103Retentivity of load memory, system memory and RAM. 104Retentivity of memory objects . 106Address areas of system memory . 108Properties of the SIMATIC Micro Memory Card . .2.3.54.2.44.2.54.2.64.2.7Memory functions. 114General: Memory functions . 114Load user program from SIMATIC Micro Memory Card to the CPU . 114Handling with modules . 115Download of new blocks or delta downloads . 115Uploading blocks. 115Deleting blocks. 116Compressing blocks. 116Promming (RAM to ROM) . 116CPU memory reset and restart . 117Recipes . 118Measured value log files . 120Backup of project data to SIMATIC Micro Memory Card. 122Cycle and reaction times. 1235.1Overview . 1235.25.2.15.2.25.2.35.2.45.2.55.2.6Cycle time. 124Overview . 124Calculating the cycle time . 127Different cycle times. 130Communications load. 131Cycle time extension as a result of testing and commissioning functions . 133Cycle extension through Component Based Automation (CBA) . 1345.35.3.15.3.25.3.35.3.4Response time . 137Overview . 137Shortest response time . 139Longest response time. 140Reducing the response time with direct I/O access. 141CPU 31xC and CPU 31x: SpecificationsManual, 06/2008 , A5E00105475-08

Table of contents6785.4Calculating method for calculating the cycle/response time.1425.55.5.15.5.2Interrupt response time .144Overview .144Reproducibility of Time-Delay and Watchdog Interrupts .1465.65.6.15.6.25.6.3Sample calculations .147Example of cycle time calculation .147Sample of response time calculation .148Example of interrupt response time calculation .150General technical data. 1516.1Standards and approvals .1516.2Electromagnetic compatibility .1556.3Transportation and storage conditions for modules.1576.4Mechanical and climatic environmental conditions for S7-300 operation.1586.5Specification of dielectric tests, protection class, degree of protection, and rated voltageof S7-300.1606.6Rated voltages of S7-300 .160Technical data of CPU 31xC. 1617.17.1.17.1.2General technical data .161Dimensions of CPU 31xC .161Technical data of the Micro Memory Card.1627.2CPU 312C .1637.3CPU 313C .1707.4CPU 313C-2 PtP and CPU 313C-2 DP .1777.5CPU 314C-2 PtP and CPU 314C-2 DP .9Technical data of the integrated I/O.193Arrangement and usage of integrated I/Os.193Analog I/O .198Configuration.204Interrupts .209Diagnostics.210Digital inputs.210Digital outputs .213Analog inputs .215Analog outputs .218Technical data of CPU 31x . 2238.18.1.18.1.2General technical data .223Dimensions of CPU 31x.223Technical data of the SIMATIC Micro Memory Card .2248.2CPU 312.2258.3CPU 314.2318.4CPU 315-2 DP .2378.5CPU 315-2 PN/DP .2448.6CPU 317-2 DP .2548.7CPU 317-2 PN/DP .2638.8CPU 319-3 PN/DP .273CPU 31xC and CPU 31x: SpecificationsManual, 06/2008 , A5E00105475-087

Table of contentsAAppendix. 9A.1.10A.1.11A.1.12A.1.13A.1.14Information about upgrading to a CPU 31xC or CPU 31x . 287Scope . 287Changed behavior of certain SFCs. 289Interrupt events from distributed I/Os while the CPU status is in STOP. 290Runtimes that change while the program is running. 291Converting the diagnostic addresses of DP slaves . 291Reusing existing hardware configurations . 292Replacing a CPU 31xC/31x . 292Using consistent data areas in the process image of a DP slave system . 292Load memory concept for the CPU 31xC/31x . 293PG/OP functions . 293Routing for the CPU 31xC/31x as an intelligent slave . 293Changed retentive behavior of CPUs with firmware V2.0.12 or higher . 294FMs/CPs with separate MPI address in the central rack of a CPU 315-2 PN/DP, aCPU 317 or a CPU 319-3 PN/DP . 294Using loadable blocks for S7 communication for the integrated PROFINET interface . 295Glossary . 297Index. 3178CPU 31xC and CPU 31x: SpecificationsManual, 06/2008 , A5E00105475-08

1Guide to the S7-300 documentation1.1Documentation classificationDocumentation classificationThe documentation listed below is part of the S7-300 documentation package.This is also available on the Internet n/ and the corresponding entry IDName of the manualDescriptionManual Operator control and display elementsCommunicationMemory conceptCycle and response timesTechnical data enance and the test functionsDiagnostics and troubleshootingCPU 31xC and CPU 31x: Technical DataArticle ID: 12996906Operating InstructionsCPU 31xC and CPU 31x: InstallationEntry ID: 13008499ManualCPU 31xC: Technological functionsincl. CDEntry ID: 12429336Description of the specific technological functions: Positioning Counting Point-to-point connection RulesThe CD contains examples of the technologicalfunctions.ManualS7-300 Automation System: Module dataEntry ID: 8859629CPU 31xC and CPU 31x: SpecificationsManual, 06/2008 , A5E00105475-08Functional descriptions and technicalspecifications of the following modules: Signal modules Power supplies Interface modules9

Guide to the S7-300 documentation1.1 Documentation classificationName of the manualInstruction ListCPU 31xC, CPU 31x,IM151-7 CPU, IM154-8 CPU, BM 147-1 CPU,BM 147-2 CPUEntry ID: 13206730Getting Started S7-300 Getting Started CollectionEntry ID: 15390497 PROFINET Getting Started CollectionEntry ID: 19290251DescriptionThe instruction list contains: List of the instruction set of the CPUs and theirexecution times. List of the executable blocks(OBs/SFCs/SFBs) and their execution times.The collections use concrete examples to providestep-by-step instructions on how to commission afully functional application.S7-300 Getting Started Collection: CPU 31x: Start-up CPU 31xC: Start-up CPU 314C: Positioning with analog output CPU 314C: Positioning with digital output CPU 31xC: Counting CPU 31xC: Point-to-point connection CPU 31xC: RulesPROFINET Getting Started Collection: CPU 315-2 PN/DP, CPU 317-2 PN/DP andCPU 319-3 PN/DP: Configuring thePROFINET interface CPU 317-2 PN/DP: Configuring an ET 200Sas PROFINET IO device10CPU 31xC and CPU 31x: SpecificationsManual, 06/2008 , A5E00105475-08

Guide to the S7-300 documentation1.1 Documentation classificationFurther InformationYou also require information from the following descriptions:Name of the manualDescriptionSTEP 7System software for S7-300/400 system andstandard fun

CPU 315-2 PN/DP 6ES7315-2EH13-0AB0 V2.6 CPU 317-2 DP 6ES7317-2AJ10-0AB0 V2.6 CPU 317-2 PN/DP 6ES7317-2EK13-0AB0 V2.6 CPU 319-3 PN/DP CPU 31x 6ES7318-3EL00-0AB0 V2.7 . SIMATIC S7-300 CPU 31xC and CPU 31x: Specifications CPU 31xC and CPU 31x: Specifications 4 Manual .

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