User Manual

Easy Book
Manual, 03/2014, A5E02486774-AF
7
Table of contents
Preface ................................................................................................................................................... 3
1 Introducing the powerful and flexible S7-1200 ....................................................................................... 15
1.1 Introducing the S7-1200 PLC ....................................................................................................... 15
1.2 Expansion capability of the CPU.................................................................................................. 18
1.3 S7-1200 modules ......................................................................................................................... 21
1.4 Basic HMI panels ......................................................................................................................... 22
1.5 Mounting dimensions and clearance requirements ..................................................................... 23
1.6 New features ................................................................................................................................ 27
2 STEP 7 makes the work easy ............................................................................................................... 29
2.1 Easy to insert instructions into your user program ....................................................................... 30
2.2 Easy access to your favorite instructions from a toolbar ............................................................. 30
2.3 Easy to add inputs or outputs to LAD and FBD instructions ........................................................ 31
2.4 Expandable instructions ............................................................................................................... 31
2.5 Easy to change the operating mode of the CPU ......................................................................... 32
2.6 Easy to modify the appearance and configuration of STEP 7 ..................................................... 33
2.7 Project and global libraries for easy access ................................................................................ 33
2.8 Easy to select a version of an instruction .................................................................................... 34
2.9 Easy to drag and drop between editors ....................................................................................... 34
2.10 Changing the call type for a DB ................................................................................................... 35
2.11 Temporarily disconnecting devices from a network ..................................................................... 36
2.12 Easy to virtually "unplug" modules without losing the configuration ............................................ 37
3 Getting started ...................................................................................................................................... 39
3.1 Create a project............................................................................................................................ 39
3.2 Create tags for the I/O of the CPU ............................................................................................... 40
3.3 Create a simple network in your user program ............................................................................ 41
3.4 Use the PLC tags in the tag table for addressing the instructions ............................................... 43
3.5 Add a "box" instruction ................................................................................................................. 44
3.6 Use the CALCULATE instruction for a complex mathematical equation ..................................... 45
3.7 Add an HMI device to the project ................................................................................................. 47
3.8 Create a network connection between the CPU and HMI device ................................................ 48
3.9 Create an HMI connection to share tags ..................................................................................... 48