Technical data Voltages and currents | Siemens S7-300 instruction

Technical data of CPU 31x 7.7 CPU 317-2 PN/DP

Technical data

Voltages and currents
Power supply (rated value)	24 VDC
• Permitted range	20.4 V to 28.8 V
Current consumption (no-load operation)	100 mA
Inrush current	Typically 2.5 A
I2t	Min. 1	A2s
External fusing of power supply lines	min. 2	A
(recommended)
Power loss	Typically 3.5 W

7-40	CPU 31xC and CPU 31x, Technical data
	Manual, Edition 08/2004, A5E00105475-05

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Siemens S7-300 appendix Technical data Voltages and currents

Contents

Preface ManualEdition 08/2004 Safety Guidelines Area of application Purpose of the ManualRequired basic knowledge Iii Tick mark ApprovalsCE label Standards Documentation classification This manual is part of the S7-300 documentation package Recycling and Disposal Additional information required Table of contents Table of contents Index-1 Tables Retentivity of the RAM Table A-1 Xii Information on Is available Selecting and configuringOverview Guide to the S7-300 documentation CPU performance Programming Manual From Profibus DP to Profinet X11 X12 Operating and display elements CPU 31xCOperating and display elements of CPU 31xC Slot for the Simatic Micro Memory Card MMC Integrated I/Os of CPU 31xC CPU 314C-2 PtP, for example Reference Mode selector switchPower supply connection Differences between the CPUs Status and Error Indicators CPU 31xC LED designation Color Meaning Operating and display elements Operating and display elements CPUOperating and display elements CPU 312, 314, 315-2 DP Mode selector switch is used to set the CPU operating mode Operating and display elements CPU 317-2 DP Use the mode selector switch to set the CPU operating mode Operating and display elements CPU 31x-2 PN/DP Slot for the Simatic Micro Memory Card MMC Displays for the X1 and X2 interfaces Status and error displays of the CPUGeneral status and error displays CPU 31xC and CPU 31x, Technical data Availability InterfacesMulti-Point Interface MPI Properties S7-300 / S7-400 with MPI interface S7-200 19.2 kbps only Devices capable of MPI communicationOperating modes for CPUs with two DP interfaces MPI/DP interface Profibus DP interface Requirements Connecting to Industrial EthernetDevices capable of Profibus DP communication See also Devices capable of Profinet PN communicationProperties of Profinet interface Profinet IO System Drivers Point to Point PtPTransmission rate Devices capable of PtP communication Selecting the communication service Communication servicesOverview of communication services Overview of communication services Data exchanged by means of S7 basic communication PG communicationOP communication 5 S7 communication Use in server mode forConfiguration Use as client Send and receive conditions Global data communication MPI onlyReduction ratio CPU 315-2 DP RoutingGD resources of the CPUs 315-2 PN/DP Routing network nodes MPI DP 2 DP Routing network nodes MPI DP EthernetNumber of routed connections 317-2 PN/DP Requirements Routing Example of a TeleService application Real installationConfiguration in Step PtP communication Communication via Profinet only CPU 31x-2 PN/DP What is PROFINET??Data consistency With PUT/GET functions Implementation of Profinet by us What is Profinet CBA Component based Automation?Objectives in Profinet ,2DWD9LHZ 352,17,2 Extent of Profinet CBA and Profinet IOFurther Information Graphic displays Profinet IO System Extended Functions of Profinet IOFollowing graphic shows the new functions of Profinet IO Profinet PN Blocks in Profinet IO Chapter ContentCompatibility of the New Blocks Blocks New Detailed Information Applicability System status lists SSLs in Profinet IO Chapter ContentCompatibility of the new SSLs Open communication via Industrial Ethernet Requirements How to use open IE communicationData block for the configuration of the connection Functionality Data exchange DisconnectingEstablishing a connection for communication Communication interruptions 1 S7 connection as communication path Snmp communication service AvailabilityS7 connections Connection points Reservation during configurationAssignment of S7 connections Transition point Time sequence for allocation of S7 connection resources Allocating connection resources to Ocms servicesAssigning connections in the program Example Distribution of connection resources Communication service DistributionDistribution and availability of S7 connection resources S7 basic Availability of connection resourcesTotal number Reserved for Free Connection S7 connections Resources Example of a CPU 314C-2 DP Connection resources for routingNumber of connection resources for routing Example for a CPU 317-2 PN/DP Definition DPV1 Requirement for using the DPV1 functionality with DP slavesDPV1 Extended functions of DPV1 Profibus DP Interrupt blocks with DPV1 functionalitySystem blocks with DPV1 functionality Functionality Communication 3.4 DPV1 Three memory areas of your CPU Memory areas and retentivityCPU memory areas Load memory RAM Retentivity of the load memory, system memory and RAMSystem memory Retentive data in load memory Retentive behavior of memory objects Retentivity of memory objectsRetentive data in RAM Retentive behavior of a DB for CPUs with firmware Retentive behavior of a DB for CPUs with firmware = RUN-STOP Process image Address areas of system memoryAddress areas of system memory Address areas Description Process image update Time Configurable process image with CPU317 FW V2.3.0 or higher Local data Retentivity of the load memory, system memory and RAM Properties of an MMC Properties of the Micro Memory Card MMCMMC as memory module for the CPU MMC copy protection Useful life of an MMC Loading user program from Micro Memory Card MMC to the CPU Memory functionsGeneral Memory functions Memory functions Uploading blocks Handling with modulesDownload of new blocks or delta downloads Deleting blocks CPU memory reset and restartCPU memory reset Compressing blocks Restart warm start Processing sequence RecipesIntroduction Recipe Recipe n Memory concept Memory functions Working memory Measured value log filesMeasured values Evaluation of measured values Backup of project data to a Micro Memory Card MMC Function principle Memory concept Memory functions Reference Execution time OverviewReference Cycle time Meaning of the term cycle time Cycle timeOverview Time slice model Step Sequence Sequence of cyclic program processingTime slices 1 ms each Extending the cycle time Process image update Calculating the cycle time Const Portions CPU Extending the user program processing time+ 60 μs per rack Factor Watchdog Process Diagnostic Time-of-dayCycle control at the scan cycle check point CCP Interrupt Different cycle times Extension of the cycle time due to errorProgramming errors Access errors Block processing times may fluctuate Example 20 % communication load Communication loadMaximum cycle time Example 50 % communication load Tips Physical cycle time depending on communication loadInfluence on the physical cycle time Runtimes Configuration during parameter assignmentCycle extension through component-based automation CBA Extending the OB1 cycle time Profibus Tips and notes Additional marginal conditionsBase load through Profibus devices Definition of response time Update times for Profinet IOResponse time Fluctuation width DP cycle times in the Profibus DP network 17 ms Calculation Shortest response timeConditions for the shortest response time Shortest response time is the sum Longest response time Delay of inputs + DP cycle time at Profibus DPDelay of outputs + DP cycle time at Profibus DP Conditions for the longest response time Longest response time is the sum Reducing the response time with direct I/O accessReducing the response time Shortest response time Longest response time Cycle extension through component-based automation CBA Calculating method for calculating the cycle/response timeCycle time Response time Shortest response time Longest response time Definition of interrupt response time Process/diagnostic interrupt response times of the CPUsInterrupt response time Signal modules Tv 200 μs + 1000 μs x n% Definition of Reproducibility Reproducibility of delay interrupts and watchdog interruptsProcess interrupt processing Reproducibility Sample calculations Example of cycle time calculation Sample of response time calculation Calculating the longest response time Calculation of the longest response time Example of interrupt response time calculation Cycle and reaction times 5.6 Sample calculations Width of CPU General technical dataDimensions of CPU 31xC Width Maximum number of loadable blocks in the MMC Technical data of the Micro Memory Card MMCPlug-in Simatic Micro Memory Cards Following memory modules are available Technical data CPU 312C Address areas I/O Technical dataData areas and their retentivity Testing and commissioning functions Technical data AssemblyS7 signaling functions Communication functions Interfaces 1st interface Programming Technical data FunctionalityDimensions Integrated functions Technical data of CPU 31xC 6.3 CPU 313C CPU 313C Technical data Timers/counters and their retentivity Technical data Address areas I/O Technical data MPI Technical data Integrated I/O KHz see the Manual Technological Functions Memory CPU 313C-2 PtP CPU 313C-2 DP Technical data CPU 313C-2 PtP CPU 313C-2 DP CPU and versionCPU 313C-2 PtP and CPU 313C-2 DP Execution times CPU 313C-2 PtP CPU 313C-2 DP Address areas I/O CPU 313C-2 PtP CPU 313C-2 DP Assembly CPU 313C-2 PtP CPU 313C-2 DPBlocks CPU 313C-2 PtP CPU 313C-2 DP Time-of-day CPU 313C-2 PtP CPU 313C-2 DP Technical data CPU 313C-2 PtP CPU 313C-2 DPS7 signaling functions CPU 313C-2 PtP CPU 313C-2 DP Interfaces CPU 313C-2 PtP CPU 313C-2 DP 1st interface DP master Point-to-point communication Technical data CPU 313C-2 PtP CPU 313C-2 DP DP slaveGSD file Programming CPU 313C-2 PtP CPU 313C-2 DP Dimensions CPU 313C-2 PtP CPU 313C-2 DP Voltages and currents CPU 313C-2 PtP CPU 313C-2 DP Memory CPU 314C-2 PtP CPU 314C-2 DP Technical data CPU 314C-2 PtP CPU 314C-2 DP CPU and versionCPU 314C-2 PtP and CPU 314C-2 DP Execution times CPU 314C-2 PtP CPU 314C-2 DP Address areas I/O CPU 314C-2 PtP CPU 314C-2 DP Assembly CPU 314C-2 PtP CPU 314C-2 DPBlocks CPU 314C-2 PtP CPU 314C-2 DP Time-of-day CPU 314C-2 PtP CPU 314C-2 DP Technical data CPU 314C-2 PtP CPU 314C-2 DPS7 signaling functions CPU 314C-2 PtP CPU 314C-2 DP Interfaces CPU 314C-2 PtP CPU 314C-2 DP 1st interface 2nd interface CPU 314C-2 PtP CPU 314C-2 DP Integrated I/O CPU 314C-2 PtP CPU 314C-2 DP Technical data CPU 314C-2 PtP CPU 314C-2 DP DP slaveProgramming CPU 314C-2 PtP CPU 314C-2 DP Dimensions CPU 314C-2 PtP CPU 314C-2 DP Voltages and currents CPU 314C-2 PtP CPU 314C-2 DP Arrangement and usage of integrated I/Os Technical data of the integrated I/OCPU 312C Pin-out of the integrated DI/DO connector Block diagram of the integrated digital I/O Standard Interrupt Count Posi-1 Input Tioning 1L+ 2L+ Controller See also Wiring of the current/voltage inputs Analog I/O Integrated hardware low-pass filter Maximum frequency of the input signal is 400 HzMeasurement principle Input filters software filter Principle of interference suppression with Step 50 Hz interference suppression Inputs not connected Outputs not connected Parameters of standard DI ConfigurationValue range Default Range of efficiency Byte 6 ByteByte 3 reserved Byte 7 reserved There are no parameters for standard digital outputs Parameters of standard doParameters of standard AI See also .3 in the Module Data Reference Manual Parameters Value range Default Range of efficiency Parameters of standard AO \WH \WH \WH \WH \WH Parameter for technological functions\WH Start information for OB40 InterruptsInterrupt inputs Byte Variables Data type Description Standard I/O DiagnosticsDigital inputs Technological functions Functions Manual Technological functions use fast digital outputs Digital outputsFast digital outputs 13 Technical data of digital outputs CPU 31xC and CPU 31x, Technical data Voltage, currents, potentials Technical data Module-specific dataAnalog inputs Analog value generation Encoder selection data Interference suppression, error limitsStatus, interrupts, diagnostics Analog outputs Actuator selection data Technical data of CPU 31xC CPU 31xC and CPU 31x, Technical data Technical data of CPU Dimensions of CPU Technical data of CPU 31x 7.1 General technical data CPU Technical data Data areas and their retentivity Technical data Technical data Communication functions Mounting dimensions W x H x D mm 40 x 125 x Weight 270 g Technical data for the CPU Technical data Data areas and their retentivity Technical data Number of entries not configurable Max Mounting dimensions W x H x D mm 40 x 125 x Weight 280 g CPU 315-2 DP Technical data Data areas and their retentivity Technical data Diagnostic buffer Yes Number of entries not configurable Max 2nd interface Technical data DP slave CPU 315-2 PN/DP Technical data Technical data Assembly Parameters of SFBs/FBs and SFC/FC of the S7 CBA at 50 % communication load Transmission speed Up to 12 Mbps Number of DP slaves 124 Profinet IO Technical data Voltages and currents CPU 317-2 DP Technical data Timers/counters and their retentivity Technical data Technical data S7 signaling functions CPU 317-2 DP MPI DP slave Except for DP slave at both interfaces GSD file CPU 317-2 PN/DP Technical data Analog channels 4096/4096 Those local 256/256 Communication functions Routing Interface X1 configured as Yes MPI Profinet IO Technical data Voltages and currents Who should read this information? Information about upgrading to a CPU 31xC or CPUArea of applicability If you have used one of the following CPUs in the past DPV1 Changed behavior of certain SFCsSFC 56, SFC 57 and SFC 13 which work asynchronously Hereafter called SFC 20 Blkmov SFC 54 Rddparm Previous response by the CPU with Stop status SFCs that may return other resultsActivating / deactivating DP slaves via SFC New response by the CPU Runtimes that change while the program is running Converting the diagnostic addresses of DP slavesConverting the diagnostic addresses of DP slaves Runtimes that change while the program is running Replacing a CPU 31xC/31x Reusing existing hardware configurationsReusing existing hardware configurations Replacing a CPU 31xC/31x Consistent data Routing for the CPU 31xC/31x as an intelligent slave Load memory concept for the CPU 31xC/31x10 PG/OP functions Changed retentive behavior for CPUs with firmware = Changed retentive behavior for CPUs with firmware = Procedure Asic Bus segment Backup memoryBus Clock flag bits CPU Determinism Default RouterData, temporary Device DPV1 Ertec GD circuit Function blockFunctional ground GD element Industrial Ethernet GSD fileHub Instance data block Interrupt, update Interrupt, delayInterrupt, diagnostic Interrupt, process LAN MPI NCM PC Non-isolated Nesting depthNetwork OB priority PLC PNO Profibus Profibus DP Profinet CBA ProfinetProfinet Asic Profinet Component Profinet IO Reduction factor ProxyReal Time Reference ground SFB SFC Simatic NET SimaticSimatic NCM PC Snmp Step Timers System diagnosticsTimer System function Twisted Pair TokenTopology Ungrounded WAN Glossary-23 Glossary-24 Index Index Index-3 Index