Instruction/ maintenance manual of the product S7-300 Siemens
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Preface Guide to the S7-300 documentation 1 Operating and display elements 2 Communication 3 Memory concept 4 Cycle and reaction times 5 Technical data of CPU 31xC 6 Technical data of CPU 31x 7 Append.
Safety Guidelines This manual contains notices which y ou should observe to ensure your own persona l safe ty as well as to avoid property damage. The notices ref erring to your per sonal safety are highlighted in the manu al by a safety alert symbol, notices referring to pr operty damage only hav e no safet y alert symbol.
CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 iii Preface Purpose of the Manual This manual contains all the informatio n you will need concerni ng the configuration, communication, memory concept, cyc le, response times and techni cal data for the CPUs.
Preface CPU 31xC and CPU 31x, Technical data iv Manual, Edition 08/2004, A5E00105475-05 Note There you can obtain the descri ptions of all current modules. F or new modules, or modules of a more recent version, we re serve the right to include a Pro duct Information containing latest information.
Preface CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 v Documentation classification This manual is part of the S7-3 00 documentation package.
Preface CPU 31xC and CPU 31x, Technical data vi Manual, Edition 08/2004, A5E00105475-05 Additional information required: Name of the manual Description Reference Manua l System software for S7 -300/400 system and standard functions Description of the SFCs, SFBs and OBs.
CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 vii Table of contents Preface ....................................................................................................................... ........................
Table of contents CPU 31xC and CPU 31x, Technical data viii Manual, Edition 08/2004, A5E00105475-05 4 Memory concept ............................................................................................................... ......................
Table of contents CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 ix 6.5 CPU 314C-2 PtP and CPU 314C-2 DP ................................................................................... 6-21 6.6 Technical data of the int egrated I/O .
Table of contents CPU 31xC and CPU 31x, Technical data x Manual, Edition 08/2004, A5E00105475-05 Tables Table 1-1 Application ar ea covered by this ma nual ...................................................................................... ii i Table 1-1 Ambient influence on the au tomation syste m (AS) .
Table of contents CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 xi Table 4-1 Retentivity of the RAM ......................................................................................................... ...... 4-2 Table 4-2 Retentive behavi or of memory objects (applies to all CPUs with DP/MPI-SS (31x-2 P N/DP) .
Table of contents CPU 31xC and CPU 31x, Technical data xii Manual, Edition 08/2004, A5E00105475-05 Table 7-1 Availabl e MMCs ................................................................................................................. ........ 7-2 Table 7-2 Maximum number of loadab le blocks on the MMC .
CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 1-1 Guide to the S7-300 documentation 1 Overview There you find a guide leading you through the S7-300 docume nta tion. Selecting and configuring Table 1-1 Ambient influence on the automation system (AS) Information on.
Guide to the S7-300 documentation CPU 31xC and CPU 31x, Technical data 1-2 Manual, Edition 08/2004, A5E00105475-05 Table 1-3 Communication between sensors/actuators and the PLC Information on.
Guide to the S7-300 documentation CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 1-3 Table 1-6 CPU performance Information on.
Guide to the S7-300 documentation CPU 31xC and CPU 31x, Technical data 1-4 Manual, Edition 08/2004, A5E00105475-05 Table 1-9 Supplementary features Information on.
CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 2-1 Operating and display elements 2 2.1 Operating and display elements: CPU 31xC Operating and display elements of CPU 31x.
Operating and display elements 2.1 Operating and display element s: CPU 31xC CPU 31xC and CPU 31x, Technical data 2-2 Manual, Edition 08/2004, A5E00105475-05 The figure below illustrates t he integrated digital and analog I/Os of the CPU with open front covers.
Operating and display ele ments 2.1 Operating and display elements: CP U 31xC CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 2-3 Mode selector switch Use the mode selector switch to set the CPU operating mode.
Operating and display elements 2.1 Operating and display element s: CPU 31xC CPU 31xC and CPU 31x, Technical data 2-4 Manual, Edition 08/2004, A5E00105475-05 2.
Operating and display ele ments 2.2 Operating and display elements: CP U 31x CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 2-5 2.
Operating and display elements 2.2 Operating and display elements: CP U 31x CPU 31xC and CPU 31x, Technical data 2-6 Manual, Edition 08/2004, A5E00105475-05 Slot for the SIMATIC Micro Memory Card (MMC) A SIMATIC Micro Memory Card (MMC ) is used as memory module.
Operating and display ele ments 2.2 Operating and display elements: CP U 31x CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 2-7 2.
Operating and display elements 2.2 Operating and display elements: CP U 31x CPU 31xC and CPU 31x, Technical data 2-8 Manual, Edition 08/2004, A5E00105475-05 Slot for the SIMATIC Micro Memory Card (MMC) A SIMATIC Micro Memory Card (MMC ) is used as memory module.
Operating and display ele ments 2.2 Operating and display elements: CP U 31x CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 2-9 2.2.3 Operating and display elements: CPU 31x-2 PN/DP Operating and display elements RUN STOP MRES BF1 SF DC5V FRCE RUN STOP X1 LINK RX / TX MAC-ADD.
Operating and display elements 2.2 Operating and display elements: CP U 31x CPU 31xC and CPU 31x, Technical data 2-10 Manual, Edition 08/2004, A5E00105475-05 Slot for the SIMATIC Micro Memory Card (MMC) A SIMATIC Micro Memory Card (MMC ) is used as memory module.
Operating and display ele ments 2.2 Operating and display elements: CP U 31x CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 2-11 2.
Operating and display elements 2.2 Operating and display elements: CP U 31x CPU 31xC and CPU 31x, Technical data 2-12 Manual, Edition 08/2004, A5E00105475-05.
CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-1 Communication 3 3.1 Interfaces 3.1.1 Multi-Point Interface (MPI) Availability All CPUs described in this manual are equipped with an MPI interface X1. A CPU equipped with an MPI/DP inte rface is configured and su ppl ied as MPI.
Communication 3.1 Interfaces CPU 31xC and CPU 31x, Technical data 3-2 Manual, Edition 08/2004, A5E00105475-05 Devices capable of MPI communication • PG/PC • OP/TP • S7-300 / S7-400 with MPI interface • S7-200 (19.2 kbps only) 3.1.2 PROFIBUS DP Availability CPUs with “DP“ name suffix are equipped at least with a DP X2 i nterface.
Communication 3.1 Interfaces CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-3 Note (for DP interface in slave mode only) When you disable the Commissioning / Debug mode.
Communication 3.1 Interfaces CPU 31xC and CPU 31x, Technical data 3-4 Manual, Edition 08/2004, A5E00105475-05 Devices capable of PROFINET (PN) communication • PROFINET IO components (for exa mple, i.
Communication 3.1 Interfaces CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-5 3.1.4 Point to Point (PtP) Availability CPUs with a “PtP“ name suffix are equipped with a PtP X2 interf ace. Properties Using the PtP interface of your CPU, you can connect external d evices with serial interface.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data 3-6 Manual, Edition 08/2004, A5E00105475-05 3.2 Communication services 3.2.1 Overview of communication services Selecting the communication service You need to decide on a communi cation service, based on functio nality requirements.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-7 See also Distribution and availability o f S7 connection resources (Page 3-29) Connection resources fo r routing (Page 3-31) 3.2.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data 3-8 Manual, Edition 08/2004, A5E00105475-05 Reference • Details on SFCs are found in the Instruct ion list , for more details refer to the STEP 7 Online Help or to the System and Standard Functions Reference Manual .
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-9 3.2.6 Global data commu nication (MPI only) Properties Global data communicat.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data 3-10 Manual, Edition 08/2004, A5E00105475-05 GD resources of the CPUs Table 3-4 GD resources of the CPUs Parameters CPU 31xC, 312, 314 CPU 315- 2 DP, 315-2 PN/DP, 317 Number of GD circuits per CPU Max.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-11 Routing network nodes: MPI - DP Gateways between subnet s are rout ed in a SIMATIC station that i s equipped with interfaces to the respective subnets.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data 3-12 Manual, Edition 08/2004, A5E00105475-05 Routing network nodes: MPI – DP - Ethernet CPU 1 (e.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-13 Requirements • The station modules are "capabl e of routing" (CPUs o r CPs). • The network configuration doe s not exceed project limits.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data 3-14 Manual, Edition 08/2004, A5E00105475-05 Routing: Example of a TeleService application The figure below shows the exampl e of an application for remote maintenance of an S7 station using a PG.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-15 Reference • on configuring in STEP 7 is found in the Configuring Hardware and Conne ctions in STEP 7 manual • of a basic nature is contain ed in the Communication with SIMATIC Manual.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data 3-16 Manual, Edition 08/2004, A5E00105475-05 3.2.9 Data consistency Properties A data area is considered consistent, if the operating system c an read/write access the data area in a continuous blo ck.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-17 Objectives in PROFINET The objectives in PROFINET are: • An open Ethernet .
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data 3-18 Manual, Edition 08/2004, A5E00105475-05 Extent of PROFINET CBA and PROFINET IO PROFINET IO and CBA r epresent two different v iews of automation devices on Industrial Ethernet.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-19 3.2.10.1 PROFINET IO System Extended Functions of PROFINET IO The following .
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data 3-20 Manual, Edition 08/2004, A5E00105475-05 Requirements • CPUs as of Firmware 2.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-21 Comparison of the System and Standard Functions of PROFINET IO and PROFIBUS .
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data 3-22 Manual, Edition 08/2004, A5E00105475-05 The following table provides you with an ove rview of the system and standard functions for SIMATIC, whose functionality mus t be implemented by other funct ions whe n converting from PROFIBUS DP to PROFINET IO.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-23 3.2.10.3 System status lists (SSLs) in PROFINET IO Chapter Content This chap.
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data 3-24 Manual, Edition 08/2004, A5E00105475-05 Detailed Information For detailed descriptions of the individual system status lists , refer to the manual System Software for S7-300/400 System and Standa rd Functions .
Communication 3.2 Communication servi ces CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-25 Establishing a connection for communication FB 65 "TCON" establishes communi cation between t he CPU and a co mmunication partner.
Communication 3.3 S7 connections CPU 31xC and CPU 31x, Technical data 3-26 Manual, Edition 08/2004, A5E00105475-05 3.2.10.5 SNMP communication service Availability The SNMP communication service i s available for CPUs with integ rated PROFINET interface and Firmware 2.
Communication 3.3 S7 connections CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-27 Connection points An S7 connection between module s with communication capability is established betwe en connection points.
Communication 3.3 S7 connections CPU 31xC and CPU 31x, Technical data 3-28 Manual, Edition 08/2004, A5E00105475-05 Assigning connections in the program In S7 basic communication, and in open Industrial Ethern et comm unication with TCP/IP, the user program establishes the co nne ction.
Communication 3.3 S7 connections CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-29 3.3.3 Distribution and availabi lity of S7 connection resources Distribution of conne.
Communication 3.3 S7 connections CPU 31xC and CPU 31x, Technical data 3-30 Manual, Edition 08/2004, A5E00105475-05 Availability of connection resources Table 3-11 Availabi lity of connection resources.
Communication 3.3 S7 connections CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-31 3.3.4 Connection resources for routing Number of connection resources for routing The.
Communication 3.4 DPV1 CPU 31xC and CPU 31x, Technical data 3-32 Manual, Edition 08/2004, A5E00105475-05 3.4 DPV1 New automation and process e ngin eering tasks require the range of functions performed by the existing DP protocol to be extended.
Communication 3.4 DPV1 CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 3-33 Interrupt blocks with DPV1 functionality Table 3-13 Interrupt block s with DPV1 functionality O.
Communication 3.4 DPV1 CPU 31xC and CPU 31x, Technical data 3-34 Manual, Edition 08/2004, A5E00105475-05.
CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 4-1 Memory concept 4 4.1 Memory areas and retentivity 4.1.1 CPU memory areas The three memory areas of your CPU: CPU Loadin.
Memory concept 4.1 Memory areas and retentivity CPU 31xC and CPU 31x, Technical data 4-2 Manual, Edition 08/2004, A5E00105475-05 System memory The RAM system memory is integr ated in the CPU and cannot be e x panded.
Memory concept 4.1 Memory areas and retentivity CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 4-3 Retentive data in RAM Therefore, the contents of retentive DBs are always retentive a t restart and POWER ON/OFF. CPUs V2.
Memory concept 4.1 Memory areas and retentivity CPU 31xC and CPU 31x, Technical data 4-4 Manual, Edition 08/2004, A5E00105475-05 Retentive behavior of a DB for CPUs with firmware >= V2.1.0 For these CPUs you can specify in STEP 7 (beginning with versio n 5.
Memory concept 4.1 Memory areas and retentivity CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 4-5 4.1.4 Address areas of system memory System memory of the S7 CPUS is o rganized in address are as (ref er to the table below).
Memory concept 4.1 Memory areas and retentivity CPU 31xC and CPU 31x, Technical data 4-6 Manual, Edition 08/2004, A5E00105475-05 Process image update The operating system updates t he process image periodicall y. The figure below shows the sequence of this operation within a cycle.
Memory concept 4.1 Memory areas and retentivity CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 4-7 Configurable process image with CPU317 (FW V2.3.0 or higher) IN STEP 7, you can define a user-specific size of the I/O proce ss images between 0 to 2048 for a CPU317, FW V2 .
Memory concept 4.1 Memory areas and retentivity CPU 31xC and CPU 31x, Technical data 4-8 Manual, Edition 08/2004, A5E00105475-05 Local data Local data store: • the temporary variables of code bl ock.
Memory concept 4.1 Memory areas and retentivity CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 4-9 4.1.5 Properties of the Micro Memory Card (MMC) The MMC as memory module for the CPU The memory module used on your CP U is a SIMATIC Micro Memory Ca rd (MMC.
Memory concept 4.1 Memory areas and retentivity CPU 31xC and CPU 31x, Technical data 4-10 Manual, Edition 08/2004, A5E00105475-05 MMC copy protection Your MMC has an internal serial n umber that provides copy prote ction at user level. You can read this serial number from the SSL partial list 011 C H index 8 using SFC 51 "RDSYSST.
Memory concept 4.2 Memory functions CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 4-11 4.2 Memory functions 4.2.1 General: Memory functions Memory functions Memory functions are used to generate, modify or delete entire user p rograms or s pecific blocks.
Memory concept 4.2 Memory functions CPU 31xC and CPU 31x, Technical data 4-12 Manual, Edition 08/2004, A5E00105475-05 Note This function is only permitted when the CPU is in STOP mode. L oad memory is cleared if the load operation could not be completed due to power los s or illegal block data.
Memory concept 4.2 Memory functions CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 4-13 4.2.3.3 Deleting blocks Deleting blocks When you delete a block, it i s deleted from load memory. In STE P 7, you can also delete blocks with the user program (DBs also with SFC 23 "DEL_DB").
Memory concept 4.2 Memory functions CPU 31xC and CPU 31x, Technical data 4-14 Manual, Edition 08/2004, A5E00105475-05 Restart (warm start) • All retentive DBs retain their ac tual value (non-retentive DB s are also supported by CPUs with Firmware >= V2.
Memory concept 4.2 Memory functions CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 4-15 4.2.5 Recipes Introduction A recipe repr esents a colle cti on of user data. You can implemen t a simple recipe co ncept using static DBs.
Memory concept 4.2 Memory functions CPU 31xC and CPU 31x, Technical data 4-16 Manual, Edition 08/2004, A5E00105475-05 Note As a precaution against loss of data, alwa ys make sure that you do not exceed the maximum number of delete/write operations.
Memory concept 4.2 Memory functions CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 4-17 4.2.6 Measured va lu e log files Introduction Measured values are generated when the CPU executes the user p r ogram. These values are to be logged and analyzed.
Memory concept 4.2 Memory functions CPU 31xC and CPU 31x, Technical data 4-18 Manual, Edition 08/2004, A5E00105475-05 The data written to load memory are portable and rete ntive on C PU memory res et.
Memory concept 4.2 Memory functions CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 4-19 4.2.7 Backup of project data to a Micro Memory Card (MMC) Function principle Using.
Memory concept 4.2 Memory functions CPU 31xC and CPU 31x, Technical data 4-20 Manual, Edition 08/2004, A5E00105475-05.
CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-1 Cycle and reaction times 5 5.1 Overview Overview This section contains detailed information about the following topics:.
Cycle and reaction times 5.2 Cycle time CPU 31xC and CPU 31x, Technical data 5-2 Manual, Edition 08/2004, A5E00105475-05 5.2 Cycle time 5.2.1 Overview Introduction This section explains what we mean b y the term "cycle time", wh at it consists of, and how you can calcu late it.
Cycle and reaction times 5.2 Cycle time CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-3 Sequence of cyclic program processing The table and figure below show the ph ases in cyclic program pr ocessing. Table 5-1 Cyclic program processing Step Sequence 1 The operating system initiat es cycle time monitoring.
Cycle and reaction times 5.2 Cycle time CPU 31xC and CPU 31x, Technical data 5-4 Manual, Edition 08/2004, A5E00105475-05 Extending the cycle time Always make allowances for the e xtension of the cycle.
Cycle and reaction times 5.2 Cycle time CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-5 5.2.2 Calculati ng the cycle time Introduction The cycle time is derived from the sum of the following influen cing factors.
Cycle and reaction times 5.2 Cycle time CPU 31xC and CPU 31x, Technical data 5-6 Manual, Edition 08/2004, A5E00105475-05 Table 5-4 CPU 31x: Data for calc ulating the proc ess image (PI) transfer time Const.
Cycle and reaction times 5.2 Cycle time CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-7 Operating system processing time at the scan cycle checkpoint The table below shows the operat ing system processing time at t he scan cycle checkpoint of the CPUs.
Cycle and reaction times 5.2 Cycle time CPU 31xC and CPU 31x, Technical data 5-8 Manual, Edition 08/2004, A5E00105475-05 Extension of the cycle time due to error Table 5-8 Cycle time extension as a re.
Cycle and reaction times 5.2 Cycle time CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-9 Maximum cycle time In STEP 7 you can modify the default maximum cycle time. OB80 is called o n when this time expires. In this block you can sp ecify the CPUs res ponse to thi s timeout error.
Cycle and reaction times 5.2 Cycle time CPU 31xC and CPU 31x, Technical data 5-10 Manual, Edition 08/2004, A5E00105475-05 Physical cycle time depending on communication load The figure below describes t he non-linear depen dency of the phy sical cy cle time on communication load.
Cycle and reaction times 5.2 Cycle time CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-11 5.2.5 Cycle time extension as a result of testin g and commissioning functions Runtimes The runtimes of the testing and commissioning functio ns are ope rating system runtimes, so they are the same for every CP U.
Cycle and reaction times 5.2 Cycle time CPU 31xC and CPU 31x, Technical data 5-12 Manual, Edition 08/2004, A5E00105475-05 Note The use of CBA with cyclical PRO FINET interconnections require s the use of switches to maintain the performance data . 100-Mbit full-duplex operation i s mandatory with cyclical PROFINET interconnections.
Cycle and reaction times 5.2 Cycle time CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-13 Additional marginal conditions The maximum cycle load through comm unication in the measurement is 20 %.
Cycle and reaction times 5.3 Response time CPU 31xC and CPU 31x, Technical data 5-14 Manual, Edition 08/2004, A5E00105475-05 5.3 Response time 5.3.1 Overview Definition of response time The response time is the time between the dete ction of an input signal and the change of a linked output signal.
Cycle and reaction times 5.3 Response time CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-15 DP cycle times in the PROFIBUS DP network If you have configured your PROFIBU S DP master sys tem in STEP 7 , STEP 7 c alculates the typical DP cycle time to be expected.
Cycle and reaction times 5.3 Response time CPU 31xC and CPU 31x, Technical data 5-16 Manual, Edition 08/2004, A5E00105475-05 5.3.2 Shortest response time Conditions for the shortest response time The figure below shows the conditions u nder which the shortest response time is reached.
Cycle and reaction times 5.3 Response time CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-17 5.3.3 Longest response time Conditions for the longest response time The figure below shows the conditions u nder which the longest r esponse time is reached.
Cycle and reaction times 5.3 Response time CPU 31xC and CPU 31x, Technical data 5-18 Manual, Edition 08/2004, A5E00105475-05 Calculation The (longest) response time is the sum of: Table 5-11 Formula: .
Cycle and reaction times 5.4 Calculating method for cal culating the cycle/response time CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-19 5.4 Calculating method for calculating the cycle/response time Introduction This section gives you an ove rvi ew of how to calculate the cycl e/response time.
Cycle and reaction times 5.4 Calculating method for cal cul ating the cycle/response time CPU 31xC and CPU 31x, Technical data 5-20 Manual, Edition 08/2004, A5E00105475-05 Response time Table 5-12 Calculati ng the response time Shortest response time L ongest response time - Multiply the physical cycle time by factor 2.
Cycle and reaction times 5.5 Interrupt response time CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-21 5.5 Interrupt response time 5.
Cycle and reaction times 5.5 Interrupt response time CPU 31xC and CPU 31x, Technical data 5-22 Manual, Edition 08/2004, A5E00105475-05 Calculation The formula below show how you c an calculate the minimum and ma ximum interrupt response tim es.
Cycle and reaction times 5.5 Interrupt response time CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-23 Process interrupt processing Process interrupt processing begi ns after process interrupt OB4 0 is called. Higher-prio rity interrupts stop process interrup t processing.
Cycle and reaction times 5.6 Sample calculations CPU 31xC and CPU 31x, Technical data 5-24 Manual, Edition 08/2004, A5E00105475-05 5.6 Sample calculations 5.
Cycle and reaction times 5.6 Sample calculations CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-25 Calculating the longest response time Longest response time: 6.
Cycle and reaction times 5.6 Sample calculations CPU 31xC and CPU 31x, Technical data 5-26 Manual, Edition 08/2004, A5E00105475-05 Calculating the physical cycle time Under consideration of communication load: 12.5 ms * 100 / (100-40) = 20.8 ms. Thus, under consider ation of time-sharing factors, the actual cycle time is 21 ms .
Cycle and reaction times 5.6 Sample calculations CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 5-27 5.6.3 Example of interrupt respons e time calculation Installation You have assembled an S7-300, c onsisting of one CPU 314C-2 and four digital modules in the CPU rack.
Cycle and reaction times 5.6 Sample calculations CPU 31xC and CPU 31x, Technical data 5-28 Manual, Edition 08/2004, A5E00105475-05.
CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-1 Technical data of CPU 31xC 6 6.1 General technical data 6.1.1 Dimensions of CPU 31xC Each CPU features the same heigh t and depth, only the width dim ensions differ. • Height: 125 mm • Depth: 115 mm, or 180 mm with opened front cover.
Technical data of CPU 31xC 6.1 General technical data CPU 31xC and CPU 31x, Technical data 6-2 Manual, Edition 08/2004, A5E00105475-05 6.1.2 Technical data of the Micro Memory Card (MMC) Plug-in SIMAT.
Technical data of CPU 31xC 6.2 CPU 312C CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-3 6.2 CPU 312C Technical data Table 6-3 Technical data of CPU 312C Technical dat a CPU and version Order number 6ES7 312-5BD01-0AB0 • Hardware version 01 • Firmware version V2.
Technical data of CPU 31xC 6.2 CPU 312C CPU 31xC and CPU 31x, Technical data 6-4 Manual, Edition 08/2004, A5E00105475-05 Technical dat a IEC Timers Yes • Type SFB • Number unlimited (l imited on l.
Technical data of CPU 31xC 6.2 CPU 312C CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-5 Technical dat a Assembly Racks Max. 1 Modules per rack Max. 8 Number of DP masters • Integrated None • Via CP Max. 1 Number of function modules and communic ation processors you can operate • FM Max.
Technical data of CPU 31xC 6.2 CPU 312C CPU 31xC and CPU 31x, Technical data 6-6 Manual, Edition 08/2004, A5E00105475-05 Technical dat a Block status Yes Single step Yes Breakpoints 2 Diagnostic buffer Yes • Number of entries (not configurable) Max.
Technical data of CPU 31xC 6.2 CPU 312C CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-7 Technical dat a Functionali ty • MPI Yes • PROFIBUS DP No • Point-to-poin.
Technical data of CPU 31xC 6.3 CPU 313C CPU 31xC and CPU 31x, Technical data 6-8 Manual, Edition 08/2004, A5E00105475-05 Technical dat a I 2 t 0.7 A 2 s External fusing of power supply lines (recommended) LS switch Type C min. 2 A, LS switch Type B min.
Technical data of CPU 31xC 6.3 CPU 313C CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-9 Technical dat a Timers/counters and their ret entivity S7 counters 256 • Rete.
Technical data of CPU 31xC 6.3 CPU 313C CPU 31xC and CPU 31x, Technical data 6-10 Manual, Edition 08/2004, A5E00105475-05 Technical dat a Address areas (I/O) Total I/O address area max. 1024 bytes/1024 bytes (can be freely addressed) I/O process image 128 bytes/128 bytes Digital channels Max.
Technical data of CPU 31xC 6.3 CPU 313C CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-11 Technical dat a Process diagnostics messages Yes • Simultaneously enabled interr upt S blocks Max.
Technical data of CPU 31xC 6.3 CPU 313C CPU 31xC and CPU 31x, Technical data 6-12 Manual, Edition 08/2004, A5E00105475-05 Technical dat a can be used for • PG communication – Reserved (default) – Configurable Max. 7 1 from 1 to 7 • OP communication – Reserved (default) – Configurable Max.
Technical data of CPU 31xC 6.3 CPU 313C CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-13 Technical dat a Integrated I/O • Default addresses of the integrated – Digital inputs – Digital outputs – Analog inputs – Analog outputs 124.
Technical data of CPU 31xC 6.4 CPU 313C-2 PtP and CPU 313C-2 DP CPU 31xC and CPU 31x, Technical data 6-14 Manual, Edition 08/2004, A5E00105475-05 6.4 CPU 313C-2 PtP and CPU 313C-2 DP Technical data Ta.
Technical data of CPU 31xC 6.4 CPU 313C-2 PtP and CPU 313C-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-15 Technical dat a CPU 313C-2 PtP CPU 313C-2 DP Data area.
Technical data of CPU 31xC 6.4 CPU 313C-2 PtP and CPU 313C-2 DP CPU 31xC and CPU 31x, Technical data 6-16 Manual, Edition 08/2004, A5E00105475-05 Technical dat a CPU 313C-2 PtP CPU 313C-2 DP Number of function modules and communication processors you can operate • FM Max.
Technical data of CPU 31xC 6.4 CPU 313C-2 PtP and CPU 313C-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-17 Technical dat a CPU 313C-2 PtP CPU 313C-2 DP Communica.
Technical data of CPU 31xC 6.4 CPU 313C-2 PtP and CPU 313C-2 DP CPU 31xC and CPU 31x, Technical data 6-18 Manual, Edition 08/2004, A5E00105475-05 Technical dat a CPU 313C-2 PtP CPU 313C-2 DP MPI Servi.
Technical data of CPU 31xC 6.4 CPU 313C-2 PtP and CPU 313C-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-19 Technical dat a CPU 313C-2 PtP CPU 313C-2 DP DP slave .
Technical data of CPU 31xC 6.4 CPU 313C-2 PtP and CPU 313C-2 DP CPU 31xC and CPU 31x, Technical data 6-20 Manual, Edition 08/2004, A5E00105475-05 Technical dat a CPU 313C-2 PtP CPU 313C-2 DP Integrated functions Counters 3 channels (see the Manual Technologic al Functions ) Frequency counters 3 channels, m ax.
Technical data of CPU 31xC 6.5 CPU 314C-2 PtP and CPU 314C-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-21 6.5 CPU 314C-2 PtP and CPU 314C-2 DP Technical data Ta.
Technical data of CPU 31xC 6.5 CPU 314C-2 PtP and CPU 314C-2 DP CPU 31xC and CPU 31x, Technical data 6-22 Manual, Edition 08/2004, A5E00105475-05 Technical dat a CPU 314C-2 PtP CPU 314C-2 DP Data area.
Technical data of CPU 31xC 6.5 CPU 314C-2 PtP and CPU 314C-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-23 Technical dat a CPU 314C-2 PtP CPU 314C-2 DP Number of function modules and communication processors you can operate • FM Max.
Technical data of CPU 31xC 6.5 CPU 314C-2 PtP and CPU 314C-2 DP CPU 31xC and CPU 31x, Technical data 6-24 Manual, Edition 08/2004, A5E00105475-05 Technical dat a CPU 314C-2 PtP CPU 314C-2 DP Communica.
Technical data of CPU 31xC 6.5 CPU 314C-2 PtP and CPU 314C-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-25 Technical dat a CPU 314C-2 PtP CPU 314C-2 DP MPI Numbe.
Technical data of CPU 31xC 6.5 CPU 314C-2 PtP and CPU 314C-2 DP CPU 31xC and CPU 31x, Technical data 6-26 Manual, Edition 08/2004, A5E00105475-05 Technical dat a CPU 314C-2 PtP CPU 314C-2 DP DP slave .
Technical data of CPU 31xC 6.5 CPU 314C-2 PtP and CPU 314C-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-27 Technical dat a CPU 314C-2 PtP CPU 314C-2 DP Integrated functions Counters 4 channels (see the Manual Technologic al Functions ) Frequency counters 4 channels, m ax.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-28 Manual, Edition 08/2004, A5E00105475-05 6.6 Technical data of the integrated I/O 6.6.1 Arrangement and usa ge of integrated I/Os Introduction Integrated I/Os of CPU s 31xC can be used for technological func tions or as standard I/O.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-29 Block diagram of the integrated digital I/O CPU in.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-30 Manual, Edition 08/2004, A5E00105475-05 CPU 313C, CPU 313C-2 DP/PtP, CPU 314C-2 DP/Pt P: D.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-31 Block diagram of integrated digital I/O of CPUs 31.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-32 Manual, Edition 08/2004, A5E00105475-05 CPU 313C/314C-2: Pin-out of the integrated AI/AO a.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-33 Simultaneous usage of technological functions and standard I/O Technological functions an d stand ard I/O can be used simultaneo usly with appropriate hardware.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-34 Manual, Edition 08/2004, A5E00105475-05 6.6.2 Analog I/O Wiring of the current/voltage inputs The figure below shows the wiring diagra m of the current/voltage inputs operated with 2-/4-wire measuring transducers.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-35 Measurement principle 31xC CPUs use the measurement prin ciple of actual value encodin g. Here, they operate with a sampling rate of 1 kHz.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-36 Manual, Edition 08/2004, A5E00105475-05 Input filters (software filter) The current / voltage inputs have a software filter for the inp ut signals which can be programmed with STEP 7.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-37 In the two graphics below we illustrate h ow the 50 Hz and 60 Hz interference suppressi on work 1.05 ms Value 1 Value 2 Value 3 .
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-38 Manual, Edition 08/2004, A5E00105475-05 Value 1 Value 2 Value 3 ... Value 16 Value 17 Value 1 Value 2 Value 3 ... Value 16 Value 17 1.05 ms 1.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-39 6.6.3 Configuration Introduction You configure the integrated I/O of CPU 31xC with STEP 7. Alway s make these settings when the CPU is in STOP.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-40 Manual, Edition 08/2004, A5E00105475-05 Byte 0 7 7 7 7 7 Byte 1 Byte 2 Byte 4 Byte 5 Byte 8 7 Byte 9 7 Byte 6 00 01 10 11 : B B B B : : : 3 0,1 ms 0,5 ms 15 ms ms 0: 1: 00 B 7 0 Bit-Nr .
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-41 Parameters of standard DO There are no parameters for standard digital outputs. Parameters of standard AI The table below gives you an ov erview of the parameters for sta ndard analog inputs.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-42 Manual, Edition 08/2004, A5E00105475-05 Parameters of standard AO The table below gives you an ov erview of standard analog o utput parameters (see also Chapter 4.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-43 reserved Unit of measure reserved Default setting:.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-44 Manual, Edition 08/2004, A5E00105475-05 %LW1U %LW1U %WH.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-45 6.6.4 Interrupts Interrupt inputs All digital inputs of the on-boar d I/O of CPUs 31xC can be used as interrupt inputs.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-46 Manual, Edition 08/2004, A5E00105475-05 31 30 29 28 27 26 25 24 16 15 … 8 7654321 … Bit no. PRAL: process interrupt Inputs are designated with default addresses.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-47 Technical data Table 6-12 Technic al data of digit.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-48 Manual, Edition 08/2004, A5E00105475-05 Technical dat a CPU 312C CPU 313C CPU 313C-2 CPU 3.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-49 Technical data Table 6-13 Technic al dat a of digi.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-50 Manual, Edition 08/2004, A5E00105475-05 Technical dat a CPU 312C CPU 313C CPU 313C-2 CPU 314C-2 Data for the selection of an actu ator for standard DI CPU 312C CPU 313C CPU 31 3C-2 CPU 314C-2 Output voltage • For signal "1" Min.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-51 6.6.8 Analog inputs Introduction This chapter contains the specif ications for analog outputs of CPUs 31xC.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-52 Manual, Edition 08/2004, A5E00105475-05 Technical dat a Time constant of the in put filter.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-53 Technical dat a Connection of signal generators .
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-54 Manual, Edition 08/2004, A5E00105475-05 Technical dat a Permitted potential difference •.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 6-55 Technical dat a Voltage output • Short-circuit p.
Technical data of CPU 31xC 6.6 Technical data of the integrated I/O CPU 31xC and CPU 31x, Technical data 6-56 Manual, Edition 08/2004, A5E00105475-05.
CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-1 Technical data of CPU 31x 7 7.1 General technical data 7.1.1 Dimensions of CPU 31x Each CPU features the same heigh t and depth, only the width dim ensions differ. • Height: 125 mm • Depth: 115 mm, or 180 mm with opened front cover.
Technical data of CPU 31x 7.1 General technical data CPU 31xC and CPU 31x, Technical data 7-2 Manual, Edition 08/2004, A5E00105475-05 7.1.2 Technical data of the Micro Memory Card (MMC) Plug-in SIMAT .
Technical data of CPU 31x 7.2 CPU 312 CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-3 7.2 CPU 312 Technical data Table 7-3 Technical dat a for the CPU 312 Technical dat a CPU and version Order number 6ES7312-1AD10-0AB0 • Hardware version 01 • Firmware version V2.
Technical data of CPU 31x 7.2 CPU 312 CPU 31xC and CPU 31x, Technical data 7-4 Manual, Edition 08/2004, A5E00105475-05 Technical dat a Data areas and their r etentivity Flag bits 128 bytes • Retenti.
Technical data of CPU 31x 7.2 CPU 312 CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-5 Technical dat a Number of function modules and communic ation processors you can operate • FM Max. 8 • CP (PtP) Max. 8 • CP (LAN) Max.
Technical data of CPU 31x 7.2 CPU 312 CPU 31xC and CPU 31x, Technical data 7-6 Manual, Edition 08/2004, A5E00105475-05 Technical dat a Communication functions PG/OP communication Yes Global data communication Yes • Number of GD circuits 4 • Number of GD packets – Sending stations – Receiving stations Max.
Technical data of CPU 31x 7.2 CPU 312 CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-7 Technical dat a MPI Services • PG/OP communication Yes • Routing No • Global data communication Yes • S7 basic communication Yes • S7 communication – As server – As client Yes No • Transmission rates 187.
Technical data of CPU 31x 7.3 CPU 314 CPU 31xC and CPU 31x, Technical data 7-8 Manual, Edition 08/2004, A5E00105475-05 7.3 CPU 314 Technical data for the CPU 314 Table 7-4 Technical dat a for the CPU 314 Technical dat a CPU and version Order number 6ES7314-1AF10-0AB0 • Hardware version 01 • Firmware version V 2.
Technical data of CPU 31x 7.3 CPU 314 CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-9 Technical dat a Data areas and their r etentivity Flag bits 256 bytes • Retenti.
Technical data of CPU 31x 7.3 CPU 314 CPU 31xC and CPU 31x, Technical data 7-10 Manual, Edition 08/2004, A5E00105475-05 Technical dat a Number of function modules and communic ation processors you can operate • FM Max. 8 • CP (PtP) Max. 8 • CP (LAN) Max.
Technical data of CPU 31x 7.3 CPU 314 CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-11 Technical dat a • Number of entries (not configurable) Max.
Technical data of CPU 31x 7.3 CPU 314 CPU 31xC and CPU 31x, Technical data 7-12 Manual, Edition 08/2004, A5E00105475-05 Technical dat a MPI Services • PG/OP communication Yes • Routing No • Glob.
Technical data of CPU 31x 7.4 CPU 315-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-13 7.4 CPU 315-2 DP Technical data Table 7-5 Technical data for the CPU 315-2 DP Technical dat a CPU and version Order number 6ES7315- 2AG10-0AB0 • Hardware version 01 • Firmware version V 2.
Technical data of CPU 31x 7.4 CPU 315-2 DP CPU 31xC and CPU 31x, Technical data 7-14 Manual, Edition 08/2004, A5E00105475-05 Technical dat a Data areas and their r etentivity Flag bits 2048 bytes • .
Technical data of CPU 31x 7.4 CPU 315-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-15 Technical dat a Number of function modules and communic ation processors you can operate • FM Max. 8 • CP (PtP) Max. 8 • CP (LAN) Max.
Technical data of CPU 31x 7.4 CPU 315-2 DP CPU 31xC and CPU 31x, Technical data 7-16 Manual, Edition 08/2004, A5E00105475-05 Technical dat a Diagnostic buffer Yes • Number of entries (not configurable) Max.
Technical data of CPU 31x 7.4 CPU 315-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-17 Technical dat a Functionali ty • MPI Yes • PROFIBUS DP No • Point-to-.
Technical data of CPU 31x 7.4 CPU 315-2 DP CPU 31xC and CPU 31x, Technical data 7-18 Manual, Edition 08/2004, A5E00105475-05 Technical dat a DP slave Services • PG/OP communication Yes • Routing Y.
Technical data of CPU 31x 7.5 CPU 315-2 PN/DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-19 7.5 CPU 315-2 PN/DP Technical data Table 7-6 Technical data for the CPU 315-2 PN/DP Technical dat a CPU and version Order number 6ES7315-2EG10-0AB 0 • Hardware version 01 • Firmware version V 2.
Technical data of CPU 31x 7.5 CPU 315-2 PN/DP CPU 31xC and CPU 31x, Technical data 7-20 Manual, Edition 08/2004, A5E00105475-05 Technical dat a IEC Timers Yes • Type SFB • Number Unlimited (limite.
Technical data of CPU 31x 7.5 CPU 315-2 PN/DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-21 Technical dat a Assembly Racks Max. 4 Modules per rack 8 Number of DP masters • Integrated 1 • via CP 2 Number of function modules and co mm unication processors you can operate • FM Max.
Technical data of CPU 31x 7.5 CPU 315-2 PN/DP CPU 31xC and CPU 31x, Technical data 7-22 Manual, Edition 08/2004, A5E00105475-05 Technical dat a • Number of variables – Of those as status variable – Of those as cont rol variable 30 Max. 30 Max. 14 Forcing • Variables Inputs/Outputs • Number of variables Max.
Technical data of CPU 31x 7.5 CPU 315-2 PN/DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-23 Technical dat a Routing • Interface X1 configured as – MPI – DP master – DP slave (active) • Interface X2 configured as PROFINET Yes Max.
Technical data of CPU 31x 7.5 CPU 315-2 PN/DP CPU 31xC and CPU 31x, Technical data 7-24 Manual, Edition 08/2004, A5E00105475-05 Technical dat a MPI Services • PG/OP communication Yes • Routing Yes.
Technical data of CPU 31x 7.5 CPU 315-2 PN/DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-25 Technical dat a Functionali ty • PROFINET Yes • MPI No • PROFIBUS DP No • Point-to-point c ommunication No Services • PG communication Yes • OP communication Yes • S7 communication – Max.
Technical data of CPU 31x 7.6 CPU 317-2 DP CPU 31xC and CPU 31x, Technical data 7-26 Manual, Edition 08/2004, A5E00105475-05 Technical dat a Voltages and curre nts Power supply (rated value) 24 VDC • Permitted range 20.4 V to 28.8 V Current consumption (no-load oper ation) 100 mA Inrush current Typically 2.
Technical data of CPU 31x 7.6 CPU 317-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-27 Technical dat a Timers/counters and their ret entivity S7 counters 512 • .
Technical data of CPU 31x 7.6 CPU 317-2 DP CPU 31xC and CPU 31x, Technical data 7-28 Manual, Edition 08/2004, A5E00105475-05 Technical dat a FCs See the Instruct ion List • Number 2048 (FC 0 to FC 2047) • Length 64 KB Address areas (I/O) Total I/O address area max .
Technical data of CPU 31x 7.6 CPU 317-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-29 Technical dat a S7 signaling functions Number of stations tha t can be logg.
Technical data of CPU 31x 7.6 CPU 317-2 DP CPU 31xC and CPU 31x, Technical data 7-30 Manual, Edition 08/2004, A5E00105475-05 Technical dat a Number of connections 32 can be used for • PG communication – Reserved (default) – Configurable Max. 31 1 1 to 31 • OP communication – Reserved (default) – Configurable Max.
Technical data of CPU 31x 7.6 CPU 317-2 DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-31 Technical dat a Transmission speed Up to 12 Mbps Number of DP slaves 124 Address range per DP slave max.
Technical data of CPU 31x 7.6 CPU 317-2 DP CPU 31xC and CPU 31x, Technical data 7-32 Manual, Edition 08/2004, A5E00105475-05 Technical dat a DP slave (except for DP s lave at both interfaces) Services.
Technical data of CPU 31x 7.7 CPU 317-2 PN/DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-33 7.7 CPU 317-2 PN/DP Technical data Table 7-8 Technical data for the CPU 317-2 PN/DP Technical dat a CPU and version Order number 6ES7317-2EJ10-0AB0 • Hardware version 01 • Firmware version V 2.
Technical data of CPU 31x 7.7 CPU 317-2 PN/DP CPU 31xC and CPU 31x, Technical data 7-34 Manual, Edition 08/2004, A5E00105475-05 Technical dat a IEC Timers Yes • Type SFB • Number Unlimited (limite.
Technical data of CPU 31x 7.7 CPU 317-2 PN/DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-35 Technical dat a Analog channels 4096/4096 of those local 256/256 Assembly Racks Max.
Technical data of CPU 31x 7.7 CPU 317-2 PN/DP CPU 31xC and CPU 31x, Technical data 7-36 Manual, Edition 08/2004, A5E00105475-05 Technical dat a • Number of variables – Of those as status variable – Of those as cont rol variable 30 Max. 30 Max. 14 Forcing • Variables Inputs/Outputs • Number of variables Max.
Technical data of CPU 31x 7.7 CPU 317-2 PN/DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-37 Technical dat a Routing • Interface X1 configured as – MPI – DP master – DP slave (active) • Interface X2 configured as – PROFINET Yes Max.
Technical data of CPU 31x 7.7 CPU 317-2 PN/DP CPU 31xC and CPU 31x, Technical data 7-38 Manual, Edition 08/2004, A5E00105475-05 Technical dat a MPI Services • PG/OP communication Yes • Routing Yes.
Technical data of CPU 31x 7.7 CPU 317-2 PN/DP CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 7-39 Technical dat a Functionali ty • PROFINET Yes • MPI No • PROFIBUS DP No • Point-to-point c ommunication No Services • PG communication Yes • OP communication Yes • S7 communication – Max.
Technical data of CPU 31x 7.7 CPU 317-2 PN/DP CPU 31xC and CPU 31x, Technical data 7-40 Manual, Edition 08/2004, A5E00105475-05 Technical dat a Voltages and curre nts Power supply (rated value) 24 VDC • Permitted range 20.4 V to 28.8 V Current consumption (no-load oper ation) 100 mA Inrush current Typically 2.
CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 A-1 Appendix A A.1 Information about upgrading to a CPU 31xC or CPU 31x A.1.1 Area of applic ability Who should read this information? You are already using a CPU fr om the SIEMENS S7-300 se ries and now want to upgrade to a new device.
Appendix A.1 Information about upgrading to a CPU 31xC or CPU 31x CPU 31xC and CPU 31x, Technical data A-2 Manual, Edition 08/2004, A5E00105475-05 ... then please note if you upgrade to one of the following CPU s From version CPU Order number Firmware Hardware Hereafter called 312 6ES7312-1AD 10-0AB0 V2.
Appendix A.1 Information about upgradi ng to a CPU 31x C or CPU 31x CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 A-3 Note If you are using SFC 56 "WR_DPAR M" or SFC 57 "PARM_MOD", you sh ould a lways evaluate the SFC's BUSY bit.
Appendix A.1 Information about upgrading to a CPU 31xC or CPU 31x CPU 31xC and CPU 31x, Technical data A-4 Manual, Edition 08/2004, A5E00105475-05 SFCs that may return other results You can ignore the following poi nts if you only use logical add re ssing in your user progra m.
Appendix A.1 Information about upgradi ng to a CPU 31x C or CPU 31x CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 A-5 A.
Appendix A.1 Information about upgrading to a CPU 31xC or CPU 31x CPU 31xC and CPU 31x, Technical data A-6 Manual, Edition 08/2004, A5E00105475-05 A.1.
Appendix A.1 Information about upgradi ng to a CPU 31x C or CPU 31x CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 A-7 A.
Appendix A.1 Information about upgrading to a CPU 31xC or CPU 31x CPU 31xC and CPU 31x, Technical data A-8 Manual, Edition 08/2004, A5E00105475-05 A.1.
Appendix A.1 Information about upgradi ng to a CPU 31x C or CPU 31x CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 A-9 A.1.12 Changed retentive behavior for CPUs with firmware >= V2. 1.0 Changed retentive behavior for CPUs with firmware >= V2.
Appendix A.1 Information about upgrading to a CPU 31xC or CPU 31x CPU 31xC and CPU 31x, Technical data A-10 Manual, Edition 08/2004, A5E00105475-05 A.1.
CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Glossary-1 Glossary Accumulator Accumulators represent CPU regist er and are used a s buffer memo ry for downl oad, transfer, comparison, calculatio n and conversion operations.
Glossary CPU 31xC and CPU 31x, Technical data Glossary-2 Manual, Edition 08/2004, A5E00105475-05 Backup memory Backup memory ensures buffering of the memory are as of a CPU wi thout backup battery. It backs up a configurable number of timers, counters, flag bits, data bytes and retentive timers, counters, flag bits and data bytes).
Glossary CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Glossary-3 Compress The PG online function "Compress" is used to rearrange all vali d blocks in CPU RAM in one continuous area of user memory, s tarting at the lowest address.
Glossary CPU 31xC and CPU 31x, Technical data Glossary-4 Manual, Edition 08/2004, A5E00105475-05 Data, temporary Temporary data represent local data of a block. They are stored in the L-stack when the block is executed. After the block has been proc essed, these da ta are no longer available.
Glossary CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Glossary-5 Diagnostic buffer The diagnostics buffer represe nts a buffered memory area in the CPU.
Glossary CPU 31xC and CPU 31x, Technical data Glossary-6 Manual, Edition 08/2004, A5E00105475-05 Error response Reaction to a runtime error. Reac tions of the operating system: It sets the automation system to STOP, indicates the e rror, or calls an OB in which th e user can program a reaction.
Glossary CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Glossary-7 Function block According to IEC 1131-3, a function block (FB) is a --> code bl ock with --> static data. An FB allows the user program to pass parameters.
Glossary CPU 31xC and CPU 31x, Technical data Glossary-8 Manual, Edition 08/2004, A5E00105475-05 Chassis ground is the totality of all the interco nnected passiv e parts of a piece of equipment on which dangerous fault-voltage cann ot occur.
Glossary CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Glossary-9 Interrupt, delay The delay interrupt belongs to one of the priority classes in S IMATIC S7 program processing. It is generated on expi ration of a time started in the user program.
Glossary CPU 31xC and CPU 31x, Technical data Glossary-10 Manual, Edition 08/2004, A5E00105475-05 IO device See PROFINET IO Controller See PROFINET IO Device See PROFINET IO Supervisor See PROFINET IO.
Glossary CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Glossary-11 MAC address Each PROFINET device is assig ned a worldwi de unique device id en tifier in the factory. This 6-byte long device identif ier is the MAC address.
Glossary CPU 31xC and CPU 31x, Technical data Glossary-12 Manual, Edition 08/2004, A5E00105475-05 Nesting depth A block can be called from another by means of a block call. Nesting depth is referred to as the number of simultaneously calle d code blocks.
Glossary CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Glossary-13 suitable basic factory settin g which can be cus tomized in STEP 7 .
Glossary CPU 31xC and CPU 31x, Technical data Glossary-14 Manual, Edition 08/2004, A5E00105475-05 Process interrupt A process interrupt is triggered by interrupt-triggering module s as a result of a specific event in the process. The process interrupt is reported to the CPU.
Glossary CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Glossary-15 PROFINET Within the framework of Totally In tegrated Automation (TIA), PR OFINET repre sents a consequent enhancement of: • PROFIBUS DP, the proven field bus, and • Industrial Ethernet, the communi cation bus at cell level.
Glossary CPU 31xC and CPU 31x, Technical data Glossary-16 Manual, Edition 08/2004, A5E00105475-05 PROFINET IO Within the framework of PROFINET, PROFINET IO is a communicatio n conc ept for the implementation of modular, distributed applications. PROFINET IO allows you to creat e automation solutions, which ar e familiar to you from PROFIBUS.
Glossary CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Glossary-17 Proxy The PROFINET device with proxy functionality is the substitute for a PROFIBUS device on Ethernet. The proxy functionality allows a PROFIBUS device to c ommunicate not only with its master but also with all nodes on PROFINET.
Glossary CPU 31xC and CPU 31x, Technical data Glossary-18 Manual, Edition 08/2004, A5E00105475-05 Restart On CPU start-up (e.g. after is swi tched from STOP to RUN mode v ia selector switch or with POWER ON), OB100 (restart) is i nitially executed, pri or to cycl ic program execution (OB1).
Glossary CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Glossary-19 Signal module Signal modules (SM) form the inte rface between the pro cess and the PLC. There are digital input and output modules (input/ output module, digital) and ana log input and output modules (input/output module, analog).
Glossary CPU 31xC and CPU 31x, Technical data Glossary-20 Manual, Edition 08/2004, A5E00105475-05 STEP 7 Engineering system. Contai ns pro gramming software for the creat ion of user programs for SIMATIC S7 controllers. Subnet mask The bits set in the subnet mas k decides the part of the IP addr ess that contains t he address of the subnet/network.
Glossary CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Glossary-21 System diagnostics System diagnostics refers to t he detection, evaluation and si gn aling of errors which o ccur within the PLC, Examples of such error/faults incl ude: Program errors or failures on modules.
Glossary CPU 31xC and CPU 31x, Technical data Glossary-22 Manual, Edition 08/2004, A5E00105475-05 Token Allows access to the bus for a limited time. Topology Structure of a network.
Glossary CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Glossary-23 WAN Network with a span beyond that o f a local area network allowin g, for example, intercontinental operation. Legal r ights do not belong to the u ser but to the provider of the transmission networks.
Glossary CPU 31xC and CPU 31x, Technical data Glossary-24 Manual, Edition 08/2004, A5E00105475-05.
CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Index-1 Index A Aim of this Documentation, iii Analog inputs Configuration, 6-41 Not connected, 6-38 Technical data, 6-51 A.
Index CPU 31xC and CPU 31x, Technical data Index-2 Manual, Edition 08/2004, A5E00105475-05 D Data consistency, 3-16 Diagnostics Standard I/O, 6-46 Technological functions, 6-46 Differences between the.
Index CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 Index-3 P Power supply Connector, 2-3, 2-6, 2-8, 2-10 Process interrupt processing, 5-23 PROFIBUS, 3-16, Glossary-15 .
Index CPU 31xC and CPU 31x, Technical data Index-4 Manual, Edition 08/2004, A5E00105475-05 T Technical data Analog inputs, 6-51 Analog outputs, 6-53 CPU 312C, 6-3, 7-3, 7-8, 7-13, 7-26, 7-33 CPU 313C,.
An important point after buying a device Siemens S7-300 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Siemens S7-300 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Siemens S7-300 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Siemens S7-300 you will learn all the available features of the product, as well as information on its operation. The information that you get Siemens S7-300 will certainly help you make a decision on the purchase.
If you already are a holder of Siemens S7-300, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Siemens S7-300.
However, one of the most important roles played by the user manual is to help in solving problems with Siemens S7-300. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Siemens S7-300 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
