Siemens S7-300 - User Manual

Siemens S7-300

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Table of Contents:

  • Page 3 – iii; Preface; Purpose of the Manual; at
  • Page 4 – iv; Approvals; The SIMATIC S7-300 product series has the following approvals:; CE label; the following; C tick mark
  • Page 5 – This manual is part of the S7-300 documentation package.
  • Page 6 – Additional information required:; Recycling and Disposal; a certified disposal facility for electronic scrap.
  • Page 7 – vii; Table of contents; to
  • Page 9 – ix
  • Page 10 – New System Standard Functions of PROFINET IO and PROFIBUS DP and
  • Page 11 – xi
  • Page 12 – xii
  • Page 13 – Guide to the S7-300 documentation; Overview
  • Page 17 – Operating and display elements; Operating and display elements: CPU 31xC; Operating and display elements of CPU 31xC; The figures show
  • Page 18 – The figure shows; Slot for the SIMATIC Micro Memory Card (MMC)
  • Page 20 – Status and Error Indicators: CPU 31xC; CPU operating modes:
  • Page 21 – Operating and display elements: CPU 31x
  • Page 22 – The mode selector switch is used to set the CPU operating mode.
  • Page 23 – Operating and display elements: CPU 317-2 DP
  • Page 24 – Use the mode selector switch to set the CPU operating mode.
  • Page 27 – Status and error displays of the CPU 31x
  • Page 29 – Communication; Interfaces; Availability; DP interface, set DP interface mode in STEP 7.; Properties; and automatically connect to a MPI subnet.
  • Page 30 – Devices capable of MPI communication; PROFIBUS DP; STEP 7 if you want to use the DP interface.; Operating modes for CPUs with two DP interfaces; you can specify to disable bus parameter broadcasting.
  • Page 32 – PG/PC with network card; Connector design; to the
  • Page 34 – Communication services; Selecting the communication service; choice of communication service will have no effect on:; Overview of communication services
  • Page 35 – PG communication; integrated in the operating system of; OP communication; maintain several simultaneous connections to one or several OPs.; Data exchanged by means of S7 basic communication
  • Page 36 – S7 communication
  • Page 38 – Routing; download user programs
  • Page 39 – the router for subnet 1 and 2 CPU 2 is the router for subnet 2 and 3.
  • Page 40 – Routing network nodes: MPI – DP - Ethernet; Number of routed connections; Number of routing connections for DP CPUs
  • Page 41 – The network configuration does not exceed project limits.
  • Page 42 – Routing: Example of a TeleService application; Real installation
  • Page 43 – PtP communication
  • Page 44 – Data consistency; consequent enhancement of:
  • Page 46 – Extent of PROFINET IO and Component-Based Automation; . Differences between PROFIBUS DP and PROFINET IO and their
  • Page 47 – The following graphic shows the new functions of PROFINET IO
  • Page 49 – converting from PROFIBUS DP to PROFINET IO.
  • Page 50 – PROFIBUS DP to PROFINET IO.; Detailed Information
  • Page 51 – This chapter explains the following:; Compatibility of the new SSLs
  • Page 52 – communication functionality via Industrial Ethernet (in short:
  • Page 54 – refer to the; PROFINET System Description.; S7 connections; S7 connection as communication path; S7 connection is the communication path.
  • Page 55 – Assignment of S7 connections; Reservation during configuration
  • Page 57 – Distribution and availability of S7 connection resources; Distribution of connection resources
  • Page 58 – Availability of connection resources
  • Page 59 – Connection resources for routing; Number of connection resources for routing; CPU; Example of a CPU 314C-2 DP
  • Page 60 – Definition DPV1; revision 3 or later.; Extended functions of DPV1; User-friendly SFB for reading diagnostics.
  • Page 61 – , or directly to the
  • Page 63 – Memory concept; Memory areas and retentivity; CPU memory areas; The three memory areas of your CPU:; Memory of the CPU; Load memory; configuration data for your project on the MMC.
  • Page 64 – the process image of the I/Os; Retentivity of the load memory, system memory and RAM; protected against power failure or CPU memory reset.
  • Page 65 – Retentivity of memory objects; Retentive behavior of memory objects
  • Page 66 – accepts the initial values from load memory (non-retentive DB)
  • Page 67 – Address areas of system memory; Recipes and measurement value logs; Reference; The address areas of your CPU are listed in the; Instruction list for CPUs 31xC and 31x; faster than direct access to the signal modules.
  • Page 68 – sequence of this operation within a cycle.; Cycle time
  • Page 69 – Note the information below:
  • Page 70 – Local data; the temporary variables of code blocks; See also
  • Page 71 – Properties of the Micro Memory Card (MMC); The MMC as memory module for the CPU; use MMCs as load memory or as a portable storage medium.; Properties of an MMC
  • Page 73 – General: Memory functions; Memory functions; Loading user program from Micro Memory Card (MMC) to the CPU; User program download; until all the blocks are downloaded.
  • Page 74 – Handling with modules; Download of new blocks or delta downloads; influence CPU memory.
  • Page 75 – CPU memory reset and restart
  • Page 77 – Recipes; Introduction; should exist per recipe.; Processing sequence; Recipe is written to load memory:; Recipe 1; Saving a modified recipe:
  • Page 78 – communication lines.
  • Page 79 – Measured value log files
  • Page 81 – Backup of project data to a Micro Memory Card (MMC); Function principle; uncompressed when fetched.
  • Page 83 – Cycle and reaction times
  • Page 84 – you can calculate it.; Meaning of the term cycle time
  • Page 86 – Extending the cycle time
  • Page 87 – Calculating the cycle time
  • Page 88 – Extending the user program processing time; runs a number of processes in parallel
  • Page 89 – functions; Extension of the cycle time as a result of nested interrupts
  • Page 90 – Extension of the cycle time due to error; Cycle time extension as a result of errors; Different cycle times; Block processing times may fluctuate
  • Page 91 – In; STEP 7; switches to STOP mode if OB80 does not exist in its memory.; Communication load
  • Page 92 – Physical cycle time depending on communication load; Influence on the physical cycle time; maximum cycle time, otherwise timing errors may occur.; Tips; Use the default setting wherever possible.
  • Page 94 – PROFINET interconnections.; Number
  • Page 95 – PROFINET interconnections to remote partners at PROFINET:; Base load through PROFIBUS devices; interconnections to a partner.
  • Page 96 – Response time
  • Page 97 – that the data of each DP slave has an average length of 4 bytes.; separately and then add up the results.
  • Page 98 – Shortest response time; Conditions for the shortest response time; Calculation
  • Page 99 – Longest response time; Conditions for the longest response time; x DP cycle time at PROFIBUS DP
  • Page 100 – update time or 4 x times the DP cycle time on PROFIBUS DP.; Reducing the response time with direct I/O access; Reducing the response time; with
  • Page 101 – Calculating method for calculating the cycle/response time; Determine the user program runtime with the help of the
  • Page 103 – Interrupt response time; Definition of interrupt response time
  • Page 104 – Table 5-14 Process/diagnostic interrupt response times; Signal modules
  • Page 105 – Reproducibility of delay interrupts and watchdog interrupts; respective initial instructions of the interrupt OBs.; Reproducibility; The following times apply for the CPUs described in this manual:
  • Page 106 – Sample calculations; Example of cycle time calculation; digital input modules SM 321 DI 32 x 24 VDC (4 bytes each in the PI)
  • Page 107 – Interrupts are not processed.; Sample of response time calculation; digital input modules SM 321 DI 32 x 24 VDC (4 bytes each in the PI)
  • Page 108 – Calculating the physical cycle time; for an analog output.
  • Page 109 – Example of interrupt response time calculation; Installation; Process interrupt response time of SM 321 DI 16 x 24 VDC:
  • Page 111 – Technical data of CPU 31xC; General technical data; Dimensions of CPU 31xC; Width of CPU
  • Page 112 – Technical data of the Micro Memory Card (MMC); Plug-in SIMATIC Micro Memory Cards; The following memory modules are available:; Maximum number of loadable blocks in the MMC
  • Page 117 – Technological
  • Page 118 – In Chapter
  • Page 124 – Technical data
  • Page 130 – Technological Functions
  • Page 138 – Technical data of the integrated I/O; Arrangement and usage of integrated I/Os; Further information on integrated I/O is found in the Manual; Technical Functions
  • Page 140 – Details are found in the Manual; under; Measurement and Pulse Width Modulation
  • Page 142 – Controller
  • Page 143 – used by technological functions is not possible.
  • Page 144 – Wiring of the current/voltage inputs
  • Page 145 – Low-pass characteristics of the integrated filter
  • Page 146 – Principle of interference suppression with STEP 7
  • Page 147 – 0 Hz interference suppression
  • Page 148 – 0 Hz interference suppression; filtered externally.; interference resistance for these analog inputs.
  • Page 149 – Configuration; Reference Manual; System and Standard Functions; ). Refer to the structure of record 1 for; Parameters of standard DI
  • Page 150 – reserved
  • Page 152 – Parameters of standard AO
  • Page 154 – Structure of record 1 for standard AI/AO (length of 13 bytes); Parameter for technological functions
  • Page 155 – Interrupts; Interrupt inputs; no interrupt; Start information for OB40; Manual
  • Page 156 – Displaying the statuses of CPU 31xC interrupt inputs; Diagnostics; the Reference Manual; Digital inputs
  • Page 158 – Digital outputs; Technological functions use fast digital outputs.
  • Page 161 – Analog inputs
  • Page 163 – Analog outputs
  • Page 167 – Technical data of CPU 31x; Dimensions of CPU 31x
  • Page 174 – Technical data for the CPU 314
  • Page 188 – Common
  • Page 206 – Permitted range
  • Page 207 – Appendix; Information about upgrading to a CPU 31xC or CPU 31x; Area of applicability; Who should read this information?; as of version
  • Page 208 – Changed behavior of certain SFCs; communication with distributed I/O modules.
  • Page 209 – called in OB82. On CPUs 31xC/31x it generally works asynchronously.
  • Page 210 – STOP has also changed.
  • Page 211 – Runtimes that change while the program is running; the program will run much faster on the CPU 31xC/31x.; Converting the diagnostic addresses of DP slaves; standard sometimes require two diagnostic addresses per slave.
  • Page 212 – Reusing existing hardware configurations; plug the connecting plug back into the power supply connector.
  • Page 213 – transfer a maximum of 128 bytes of consistent data.
  • Page 214 – Load memory concept for the CPU 31xC/31x; be lost even in the event of a power failure or memory reset.; Routing for the CPU 31xC/31x as an intelligent slave
  • Page 215 – For data blocks for these CPUs
  • Page 216 – interface; Procedure; corresponding blocks from the standard library.
  • Page 217 – Glossary; comparison, calculation and conversion operations.
  • Page 218 – interconnected via repeaters.
  • Page 220 – . STEP 7 assigns the local IP address to the
  • Page 222 – calculations. They can be accessed in bit, word or dword operations.
  • Page 224 – on which dangerous fault-voltage cannot occur.
  • Page 226 – The address of the node (generally called the host or network node).
  • Page 230 – block will be processed according to interrupt priority.
  • Page 232 – PROFINET or PROFIBUS devices.
  • Page 234 – starting at the first instruction in OB1.
  • Page 236 – SIMATIC S7 controllers.
  • Page 239 – transmission networks.
  • Page 241 – Index
Loading the manual

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

Appendix

A

SIMATIC

S7-300

CPU 31xC and CPU 31x,

Technical data

Manual

Edition 08/2004

A5E00105475-05

This manual is part of the documentation package

with the order number: 6ES7398-8FA10-8BA0

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Summary

Page 3 - iii; Preface; Purpose of the Manual; at

CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 iii Preface Purpose of the Manual This manual contains all the information you will need concerning the configuration, communication, memory concept, cycle, response times and technical data for the CPUs. You will then lear...

Page 4 - iv; Approvals; The SIMATIC S7-300 product series has the following approvals:; CE label; the following; C tick mark

Preface CPU 31xC and CPU 31x, Technical data iv Manual, Edition 08/2004, A5E00105475-05 Note There you can obtain the descriptions of all current modules. For new modules, or modules of a more recent version, we reserve the right to include a Product Information containing latest information. Approv...

Page 5 - This manual is part of the S7-300 documentation package.

Preface CPU 31xC and CPU 31x, Technical data Manual, Edition 08/2004, A5E00105475-05 v Documentation classification This manual is part of the S7-300 documentation package. Name of the manual Description YOU ARE READING the Manual • CPU 31xC and CPU 31x, Technical data Control and display elements, ...

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