文档介绍：s e to STEP 7, Contents Introduction to STEP 7 1 The SIMATIC Manager 2 SIMATIC Programming with Symbols 3 Working with STEP 7 Creating a Program in OB1 4 Creating a Program with Function Blocks and Data Blocks5 Getting Started Configuring the Central Rack 6 Downloading and Debugging the Program 7 Programming a Function 8 Programming a Shared Data Block 9 Programming a Multiple Instance10Configuring the Distributed I/O 11AppendixAppendix A A Index This manual is part of the documentation package with the order number: 6ES7810-4CA08-8BW0Edition 03/2006 C79000-P7076-C48-01 Safety Guidelines This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert symbol, notices referring to property damage only have no safety alert symbol. The notices shown below are graded according to the degree of AG Automation and Drives Postfach 4848 90437 NüRNBERG GERMANY C79000-P7076-C48-01 03/2006 Copyright ? Siemens AG 2006 Technical data subject to change !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 with a safety alert symbol indicates that minor personal injury can result if proper precautions are not taken. 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 corresponding notice is not taken into 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 Personnel The device/system may only be set up