Specifications

Table of Contents
vii
Chapter 7 Backup ..........................................................7-1
7.1 How to archive.............................................................................7-2
7.2 Network settings..........................................................................7-7
7.2.1 YS 840DI settings.......................................................................................7-7
7.2.2 PC settings ...............................................................................................7-14
Part 3 PLC
Chapter 8 General programming notes .........................8-1
8.1 LAD/FBD/STL compatibility.........................................................8-2
8.2 Program structure........................................................................8-3
8.3 Address structure ........................................................................8-4
8.3.1 Address symbols ........................................................................................8-4
8.3.2 Bit address..................................................................................................8-4
8.3.3 Addressing of input, output, bit memory, and data bits...............................8-5
8.3.4 Addressing of timers and counters .............................................................8-5
8.4 Interface structure .......................................................................8-6
8.4.1 General.......................................................................................................8-6
8.4.2 Signals through the PLC/NC interface........................................................8-6
8.4.3 Data blocks.................................................................................................8-7
8.4.4 Program components .................................................................................8-8
Chapter 9 SIMATIC manager and hardware
configuration .................................................9-1
9.1 Hardware configuration ...............................................................9-3
9.2 Defining the hardware .................................................................9-4
9.2.1 Creating a new project................................................................................ 9-4
9.2.2 Adding a station..........................................................................................9-5
9.2.3 Opening the hardware configuration ..........................................................9-6
9.2.4 Adding a rack..............................................................................................9-7
9.2.5 S7-300 rack ................................................................................................9-8
9.2.6 Adding the power supply module ...............................................................9-8
9.2.7 Adding the CPU module ...........................................................................9-10
9.2.8 CPU’s DP port setting............................................................................... 9-11
9.2.9 Adding a PROFIBUS-DP node.................................................................9-13
9.2.10 DP slave (ET200) construction and addressing .....................................9-14
9.2.11 Adding the SM module ...........................................................................9-15
9.2.12 Connecting the racks (interface).............................................................9-16
9.2.13 Saving the hardware configuration .........................................................9-17
9.2.14 Downloading the hardware configuration ...............................................9-18