Siemens Simatic SM331 User Manual

SM331; AI 8x12 Bit Getting Started part 1: 4 -20mA
Getting Started, 11/2006, A5E00253410-02
iii
Table of contents
1 Preface ................................................................................................................................................... 1-1
1.1 General ...................................................................................................................................... 1-1
2 Requirements ......................................................................................................................................... 2-1
2.1 Basics......................................................................................................................................... 2-1
3 Introduction............................................................................................................................................. 3-1
3.1 Example of an application.......................................................................................................... 3-1
4 Mechanical setup of the example station................................................................................................ 4-1
4.1 Mounting the example station.................................................................................................... 4-1
4.2 Mounting of analog module components................................................................................... 4-3
4.2.1 General ...................................................................................................................................... 4-3
4.2.2 Components of the SM331 ........................................................................................................ 4-4
4.2.3 Features of the analog modules ................................................................................................ 4-5
4.2.4 Measuring range modules ......................................................................................................... 4-6
4.2.5 Mounting the SM331 module..................................................................................................... 4-8
5 Electrical connection............................................................................................................................... 5-1
5.1 Overview .................................................................................................................................... 5-1
5.2 Wiring the power supply module and the CPU.......................................................................... 5-2
5.3 Wiring of the analog module ...................................................................................................... 5-4
5.3.1 Requirement............................................................................................................................... 5-4
5.3.2 Current transducer wiring - principle.......................................................................................... 5-4
5.3.3 Wiring of the analog module ...................................................................................................... 5-5
5.3.4 Test ............................................................................................................................................ 5-8
6 Configuration of the SIMATIC Manager.................................................................................................. 6-1
6.1 Creating a new STEP7 project................................................................................................... 6-1
6.1.1 Creating a new project ............................................................................................................... 6-1
6.1.2 CPU selection ............................................................................................................................ 6-3
6.1.3 Defining the basic user program................................................................................................ 6-4
6.1.4 Assigning the project name........................................................................................................ 6-5
6.1.5 Result S7 project is created ....................................................................................................... 6-6
6.2 Hardware configuration.............................................................................................................. 6-7
6.2.1 Creating the hardware configuration.......................................................................................... 6-7
6.2.2 Adding SIMATIC components.................................................................................................... 6-8
6.2.3 Configuring the analog module................................................................................................ 6-10
6.2.4 Test .......................................................................................................................................... 6-13
6.3 STEP 7 user program .............................................................................................................. 6-17
6.3.1 Tasks of the user program ....................................................................................................... 6-17
6.3.2 Creating a user program.......................................................................................................... 6-18

Siemens Simatic SM331 Specifications

General

Brand	Siemens
Model	Simatic SM331
Category	Control Unit
Language	English