西门子STEP 7基本应用实例

STEP 7

STEP 7 SIMATIC S7 M7 C7 PC WinAC Step7 STEP 7

1.

PG PC PG

PC

STEP 7 SIMATIC PLC

CPU 600MHZ

RAM 128MB

300 600MB

XGA 1024×768 16bit

2.1. STEP 7

2.

STEP 7 V5.2

MS Windows 2000( SP1 )

MS Windows XP( SP1 )

Microsoft Internet Explorer 5.0(

) MS Windows 2000/XP

2.1.2

Windows 2000/XP Administrator STEP 7

STEP 7 Setup.exe STEP 7 V5.2 Windows

2-1

2-2

Acrobat Reader 5.0 PDF PC

STEP 7 V5.2 STEP 7 V5.2

AuthorsW V2.5 inc1. SP1

STEP 7 2-3

Typical

Minimal STEP 7 Custom

License Key 2-4

2-5

None

Internal programming device interface PG PC

PC External

prommer

LPT1

STEP 7 Memory Card Parametera Assignment ( )

PG/PC Set PG/PC Interface 2-6 PG/PC PG/PC PLC SIMATIC Set PG/PC Interface ( PG/PC ) PG/PC Cancel

2.1.3

STEP 7 “ ” STEP 7 STEP 7 3.5

STEP 7 V5.2 AuthorsW V2.5 SP1 Windows SIMATIC ‖ AuthorsW , 2-7

2.1.4

‖ / SIMATIC STEP 7 V5.2 “ ”

2.2. STEP 7

STEP 7 STEP 7 SIMATIC

SIMATIC S7 C7 WinAC

2.2.1

STEP 7 SIMATIC Manager File ’New Project’Wizard , “STEP 7 Wizard New Project”( )

NEXT CPU CPU 313C-

2DP

NEXT OB1

NEXT Finish 2-8

2.2.2

File New , 2-9 “ ” “ ”

2.2.3

•1.

STEP 7 DIP PLC /

CPU SDB CPU PLC CPU CPU

PLC STEP 7

•2.

Hardware

DP

PLC 2-10

SIMATIC 300 Station Hardware “HW Config”

MPI I/O View Catalog 1 CPU 3 4 11 SM

FM CP

“ ”

I/O Edit Symbolic Names I/O

SIMATIC

NETPRO

2-11 STEP 7

STEP 7

2-11 STEP 7

2.3. STEP 7

2.3.1 SIMATIC Manager

STEP 7 SIMATIC

SIMATIC Manager STEP 7 Windows SIMATIC

IDS_SN_S7TGTO

PX.EXE , SIMATIC Manager

2-12

SIMATIC Manager SIMATIC Manager

2.3.2 HW Config

PLC 2-13

2.3.3 LAD/STL/FBD

LAD Ladder Logic STL Statement List FBD Function Block Diagram 2-14

STEP 7

1.

F1 2-15 STL FBD LAD

LAD 2-16

2-16 LAD

2.

STEP 7 2-1

/

I/O I IB IW ID Q

QB QW QD

I/O PI PQ

M MB MW MD

/

FB FC SFB SFC

DB

UDT

VAT

0x00

0xFF

2-1

3.

LAD STL FBD STEP 7 Network

STL “ ” 2-17

4.

1 Error , Address info.

Diagnostics 2-18

2.3.4

S7 Insert New Object Symbol Table

“ ” S7 —Program 1 Symbols 2-19

Symbols 2-20

Delete STEP 7