Siemens Simatic S7-300 31xC Series Bedienungsanleitung
First Steps in Commissioning CPU
31xC: Positioning with digital output
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SIMATIC
S7-300
First Steps in Commissioning CPU 31xC:
Positioning with digital output
Getting Started
08/2011
A5E00105533-03
Introduction
1
Preparation
2
Learning units
3
Further Information
4
Legal information
Legal information
Warning notice system
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DANGER
indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING
indicates that death or severe personal injury may result if proper precautions are not taken.
CAUTION
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CAUTION
without a safety alert symbol, indicates that property damage can result if proper precautions are not taken.
NOTICE
indicates that an unintended result or situation can occur if the relevant information is not taken into account.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will
be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
property damage.
Qualified Personnel
The product/system described in this documentation may be operated only by personnel qualified for the specific
task in accordance with the relevant documentation, in particular its warning notices and safety instructions.
Qualified personnel are those who, based on their training and experience, are capable of identifying risks and
avoiding potential hazards when working with these products/systems.
Proper use of Siemens products
Note the following:
WARNING
Siemens products may only be used for the applications described in the catalog and in the relevant technical
documentation. If products and components from other manufacturers are used, these must be recommended
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ambient conditions must be complied with. The information in the relevant documentation must be observed.
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may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software
described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
information in this publication is reviewed regularly and any necessary corrections are included in subsequent
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Siemens AG
Industry Sector
Postfach 48 48
90026 NÜRNBERG
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A5E00105533-03
Ⓟ 09/2011
Copyright © Siemens AG 2011.
Technical data subject to change
First Steps in Commissioning CPU 31xC: Positioning with digital output
Getting Started, 08/2011, A5E00105533-03 3
Table of contents
1 Introduction................................................................................................................................................ 5
2 Preparation................................................................................................................................................ 7
3 Learning units .......................................................................................................................................... 11
3.1 1. Step: Wire the CPU..................................................................................................................11
3.2 2. Step: Installing the sample project...........................................................................................14
3.3 3. Step: Setting parameters .........................................................................................................15
3.4 4. Step: Linking blocks to the user program ................................................................................16
3.5 5. Step: Carrying out a dry run.....................................................................................................17
4 Further Information .................................................................................................................................. 19
Table of contents
First Steps in Commissioning CPU 31xC: Positioning with digital output
4 Getting Started, 08/2011, A5E00105533-03
First Steps in Commissioning CPU 31xC: Positioning with digital output
Getting Started, 08/2011, A5E00105533-03 5
Introduction 1
Contents of this Getting Started Manual
Based on a concrete example, this Getting Started manual takes you through five
commissioning steps to the point where you have a functioning traversing movement. You
will get to know certain basic hardware and software functions and will calculate and check
the application-dependent parameters in this sample.
This process will take one to two hours, depending on your experience.
Introduction
First Steps in Commissioning CPU 31xC: Positioning with digital output
6 Getting Started, 08/2011, A5E00105533-03
First Steps in Commissioning CPU 31xC: Positioning with digital output
Getting Started, 08/2011, A5E00105533-03 7
Preparation 2
Scope
These instructions apply to the following CPUs:
CPU SIMATIC Micro Memory Card
required for operation?
As of firmware
version
314C-2 DP yes V3.3
314C-2 PtP yes V3.3
314C-2 PN/DP yes V3.3
The order number can be found in the manuals, e.g. the operating instructions CPU 31xC
and CPU 31x: Installation (http://support.automation.siemens.com/WW/view/en/13008499).
Preparation
First Steps in Commissioning CPU 31xC: Positioning with digital output
8 Getting Started, 08/2011, A5E00105533-03
Requirements
● You have an S7 300 station consisting of a power supply module and a CPU 314C-2 PtP,
314C-2 DP or 314C-2 PN/DP.
● STEP 7 is correctly installed on your PG.
The table below shows the STEP 7 version you need for each CPU.
CPU STEP 7 version
314C-2 PtP STEP 7 as of V5.5 + SP1 or STEP 7 as of V5.3 + SP2 with HSP 204
314C-2 DP STEP 7 as of V5.5 + SP1 or STEP 7 as of V5.3 + SP2 with HSP 203
314C-2 PN/DP STEP 7 as of V5.5 with HSP 191
● You have downloaded the sample projects from the Internet or have the CD of sample
projects included with the Technological Functions operating instructions.
● You have set up a project for the S7-300 station.
● The PG is connected to the CPU.
● You have an external 24 V DC power supply, an encoder, a drive, and the necessary
accessories, such as a front connector and wiring material.
● You provided hardware limit switches and EMERGENCY-OFF switches for safe and
reliable operation of the system.
● The CPU is correctly connected to a power supply.
WARNING
Operation of an S7-300 as part of plants or systems is subject to special rules and
regulations, which depend on its field of application.
Please make sure that you adhere to the applicable safety and accident prevention
regulations, for example IEC 204 (emergency stop systems).
You risk severe injury, or damage to machines and equipment if you ignore these
regulations.
Preparation
First Steps in Commissioning CPU 31xC: Positioning with digital output
Getting Started, 08/2011, A5E00105533-03 9
Layout of the example
2 3
7 6 5 4
1
① Setting of supply voltage
② Mode selector
③ Mounting rail
④ Programming device with STEP 7 software
⑤ PG cable
⑥ Connecting cable
⑦ Clamp for strain relief
Figure 2-1 Overview of sample layout
Preparation
First Steps in Commissioning CPU 31xC: Positioning with digital output
10 Getting Started, 08/2011, A5E00105533-03
Dieses Handbuch passt für folgende Modelle
3
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