Автоматизация с помощью Программ STEP7 LADsamsebeplc.ru/Doc/Siemens/STEP7/Berger_STEP7_LADFBD_r.pdf · Введение Программируемый

SIMATIC S7-300/400 1 STEP 7 2 SIMATIC S7 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

STEP7 LAD FBD

SIMATIC S7-300/400

::6ES7810-4CA05-8AR0

2- , 2001

LAD 26 FBD 27

Copyright Siemens AG 2003 , . . , , ,.

Siemens AG : / 4848, D- 90327

. , . , , . .

Siemens AG 2003 .

Siemens 6ES7810-4CA05-8AR0

, , . :

! , , .

! , , .

! , .

, .

. , , , .

:

! , , , Siemens.

, , , .

SIMATIC, SIMATIC HMI SIMATIC NET SIEMENS AG.

, , ; , .

Die Deutsche Bibliothek CIP-Cataloguing-in-Publication-Data

Die Deutsche Bibliothek

LAD FBD SIMATIC S7 - .

- STEP7 S7-300/400. - -.

. , . - , , .

.Publicis MCD Corporate PublishingPostfach 3240D-91052 ErlangenFederal Republic of GermanyFax: ++49 9131/72 78 38E-mail: [email protected]

SIMATIC ,

,

.

,

(SIMATIC S7), -

(SIMATIC 7) (SIMATIC 7).

-

: S7-200 (-PLC), S7-300

S7-400 ,

, -

.

STEP 7, STEP 5, -

SIMATIC. -

(PC) (, )

Microsoft Windows 95/98 Windows

NT.

() STEP 7 -

, DIN EN 6.1131-3. STL (statement

list ; ), LAD

(ladder logic ladder diagram ; , -

; ), FBD (function block diagram

) SCL (-

),

.

: S7-GRAPH

( ), S7-HiGraph ( -

-) CFC ( ;

).

-

. -

STEP 7.

LAD FBD S7-300/400.

S7-300/400 -

STEP 7. -

, -;

.

, ; ,

, , .

LAD FBD (-

) . -

,

,

-/.

LAD

FBD.

STEP 7 5.1.

, 2001

S7-300/400

PLC, - -

1 - SIMATIC S7-300/400 - ( S7-300/400) ; / - (I/O) (PROFIBUS DP); (); ;

4 - AND, OR - OR;

9 INT, DINT REAL

2 - STEP 7 ; ; ; ; LAD/FBD; ; - LAD FBD

3 SIMATIC S7 ; ; (Code Block) (Data Block); , , -

5 , ,; ; ;

6 -; MOVE; -

7 SIMATIC- -, -; IEC-

8 SIMATIC-; , , -, ; IEC-

10 - INT,DINT REAL

11 - -; - ; , - , , -

12 - -;

13

14 - AND, OR - OR

, -

-

15 , ; - ; EN/ENO

20 ; - ( , - , ); ; - / ; SFC SFB-

24 - KNOW_HOW_PROTECT; , -: ;

16 ;, RLO = 1;, RLO = 0;

17 MCR-,MCR-,MCR-

21 ; ; -; ; -; -

22 , , ;STOP, HOLD, ;

23 ;

25 ; ; IEC; S5 -S7; TI -S7; PID-;

26 LAD ; ;

18 , - , ; -,

19 , ; ,

27 FBD ; ;

,

LAD FBD. , ,

: LAD_Book FBD_Book.

Retrieve ()

2 (

PC/PG).

LAD_Book FBD_Book , -

. -

, ( ),

( )

. .

.

. SIMATIC- (SIMATIC Manager)

File Dearchive ( ) -

( README.TXT ).

, , , -

. , -

.

STEP 7 STEP 7 Mini, -

- STEP 7 -.

LAD_Book

FB 101 FB 102 FB 103 LADFB 104 4: FB 105 5: FB 106 6: FB 107 7: FB 108 8: LADFB 109 9: FB 110 10: FB 111 11: FB 112 12: FB 113 13: FB 114 14: LADFB 115 15: FB 116 16: FB 117 17: FB 118 18: FB 119 19: SFC-FB 120 20: FB 121 21: FB 122 22: FB 123 23: FC 11 FC 12 FB 20 ( )FB 21 FB 22 UDT 51 UDT 52 FB 51 FB 52 FC 51 FC 52

FC 41 FC 42 FC 43 FC 44 32- ( )

FBD_Book

FB 101 FB 102 FB 103 FBDFB 104 4: FB 105 5: FB 106 6: FB 107 7: FB 108 8: FBDFB 109 9: FB 110 10: FB 111 11: FB 112 12: FB 113 13: FB 114 14: FBDFB 115 15: FB 116 16: FB 117 17: FB 118 18: FB 119 19: SFC-FB 120 20: FB 121 21: FB 122 22: FB 123 23: FC 11 FC 12 FB 20 ( )FB 21 FB 22

UDT 51 UDT 52 FB 51 FB 52 FC 51 FC 52

FC 41 FC 42 FC 43 FC 44 32- ( )

STEP 7

10

STEP 7

-

STEP 7.

SIMATIC- (SIMATIC Manager)

( ) .

.

-

, , , CPU; -

.

.

, ,

. .

. -

: (), -

; ,

.

-

SIMATIC- .

STEP 7

11

SIMATIC-

Project ()

Hardware

1

CPU

1

2

SystemData ( )

2

Hardware (-) SIMATIC-

( CPU)

CPU c DP-: PROFIBUS, DP-

(

)

DP-,

DP-

STEP 7

12

CP-

System Data

Blocks ()

()-

- -

-

UDT DB

FC/FB, DB

OB

-

CPU

,

3

-

3

SIMATIC S7-300/400.

S7-300/400 . , , ( CPU) -. SIMATIC S7 / (I/O) - . CPU . (load memory) : - (work memory), .

STEP 7 S7-300/400, SIMATIC- (SIMATIC Manager).SIMATIC- Windows 95/98/NT , . SIMATIC- - , , , , .

STEP 7. SIMATIC S7 , , (networks) (rungs). - , -. STEP 7 , ( BOOL ), ( INT REAL -), , ( - ).

- S7-300/400, STEP 7. STEP 7 5.1.

3 SIMATIC S7 S7- LAD FBD. LAD FBD. .

1 SIMATIC S7-300/400

; /; -; ;

2 STEP 7

SIMATIC-; ; ; - ; ( , ); - ;

3 SIMATIC S7

; ; ; LAD FBD; -; ()

3

1

1 SIMATIC S7-300/400 .......................................................... 41.1 ........................................................................ 4

1.1.1 .................................................................................................................... 41.1.2 S7-300............................................................................................................... 61.1.3 S7-400............................................................................................................... 71.1.4 CPU...................................................................................................... 91.1.5 ................................................................................................................. 101.1.6 ......................................................................................................... 11

1.2 / .......................................................................................... 131.2.1 DP-..................................................................................................... 131.2.2 DP- ...................................................................................................................... 141.2.3 DP-................................................................................................................... 141.2.4 PROFIBUS-PA................................................................................... 161.2.5 AS-.................................................................................. 171.2.6 ...................................................... 18

1.3 ...................................................................................................................... 201.3.1 ............................................................................................................... 201.3.2 .......................................................................................................................... 231.3.3 ...................................................................................... 261.3.4 ................................................................................................................... 27

1.4 .................................................................................................................... 291.4.1 ................................................................................................................. 291.4.2 ................................................................................................................... 291.4.3 ............................................................................................. 291.4.4 ................................................................................................ 311.4.5 ............................................................................................... 32

1.5 ................................................................................................................... 331.5.1 ............................................................................. 331.5.2 ............................................................................................................. 341.5.3 .......................................................................................................... 36


4


1.1

1.1.1

SIMATIC S7-300/400 , - :

(Racks) ;

(Power Supply, PS) ;

(Central Processing Unit, CPU) ;

(Interface Modules, IM) ;

(Signal Modules, SM) ;

(Function Modules, FM) CPU;

(Communications Processors, CP) ();

(Subnets) -.

( ) , . , CPU / (SM, FM CP) ( I/O-) . / I/O- , , ( 1.1). - / ( 1.2 /).

1.1

5

1.1 S7-300/400

S7-300

IM 365

IM 365 IM 361

S7-400

:IM 460-1IM 460-0IM 460-3IM 463-2

- 1,5 - 5(IM 461-1)

- 3 - 5(IM 461-0)

- 100 - 5(IM 461-3)

- 600 S5(IM 314)


6

: / (I/O-, P-) ( K-).I/O- (P-) - , (K-) - . CPU - (MPI) .

1.1.2 S7-300

S7-300 8 I/O-. , , CPU 314 :

( IM 365, 1 )

( IM 360 IM361, 10 ).

8 . , 1,2 (0,8 CPU 312 IFM).

, P- K-.

FM 356 7-300. FM356 - . .

SIMATIC

SIMATIC S7-300, -. 25 +60, - IEC 68 2-6, , IEC 721-3-3 3 5, -

1.1

7

EN 50155 ( ). - .

1.1.3 S7-400

S7-400 18 9 (UR1 UR2); CPU , . IM 460-1 IM 461-1 1,5 , 5 . , - 3 , - IM 360-0 IM 361-0. , , - IM 360-3 IM 361-3 100 .

21 . IM - .

P- K-. ER1 ER2 18 9 - , , 24 P-, - K-. K- UR1, UR2 CR2 , 1 6.

CR2. CPU () - . CPU K-, P- .

S7-400, , CPU, . CPU. 20.3.6 21.6 .


8

SIMATIC S5

IM 463-2 S5(EG 183U, EG 185U, EG 186U, ER 701-2 ER 701-3) S7-400, - . IM314 S5 . , .S7-400 IM 463-2; - IM 463-2 S5.

SIMATIC S7-300/400, - - (master station) (standby station), - .

, , - , -. . - .

/ / ( 200 IM 153-3 PROFIBUS DP). ( ) Software Redundancy ( -).

SIMATIC S7-400H

SIMATIC S7-400H , , H-CPU - . -; - .

/ (, ) ( 200). -.

, -;

1.1

9

. - S7-400H.

1.1.4 CPU

1.2 CPU, . , - (load memory) (work memory).

CPU (plug-in) . , -, .

RAM ( ), CPU. ; . - , .

1.2 CPU

()

( - )

()

/

CPU S7-400 -


10

() , , . CPU - -. ( 2.6.4 CPU 2.6.5 ).

RAM, . , - EEPROM - EPROM, CPU - .

CPU 3IFM RAM- EEPROM-. RAM, - (-) EEPROM, .

CPU S7-300 ( CPU 318) RAM, . - EPROM .

S7-300 ( datablocks) ( , ) . , .

RAM CPU S7-400 - . , , RAM. - EPROM - .

CPU S7-400 -.

STEP 7 5.1 (V5.1) CPU S7-400 ( 2.2.2 , -).

1.1.5

: RAM- EPROM-.

, RAM (-, CPU S7-400). RAM- -

1.1

11

() . RAM .

, , , EPROM. ( ) EPROM, . - CPU , CPU .

1.1.6

(system memory) (), . ( ), - . , , , - () - ( ), , . CPU - :

(Inputs, I) ( ) .

(Outputs, Q) ( ) .

(Bit memory, M) , .

(Timers, T) , - .

(Counters, C) , - .

(Temporary local data, L) , - . L-, CPU -.

, , , - . - .


12

, , ( ). CPU S7-400 , L-, -.

1.2 /

13

1.2 /

PROFIBUS-DP - (-) . - DP- (DP master), DP- (DP slaves). () / -, PROFIBUS-DP PROFIBUS (-- PROFIBUS). PROFIBUS-DP EN 50170 DP.

PROFIBUS-DP 1.3.2 .

DP- DP-. - 32 , 127. DP- . , - PROFIBUS-DP , , -, 200 DP- SIMATIC S5.

1.2.1 DP-

PROFIBUS-DP , DP- DP-. DP- , - ( ). DP- DP- DP- ( 1.3).

DP- ( DP-) PROFIBUS ( ). , , DP- DP- DP-, , , DP-, ..

DP-

, DP- DP-. DP- S7, DP- - DP-. CPU DP-.


14

1.3 PROFIBUS-DP

1.2.2 DP-

DP- PROFIBUS. - DP-. DP-

CPU DP- - (, CPU 315-2DP, CPU 417)

CPU (, IM 467)

CP CPU (, CP 342-5, CP 443-5)

1 2 (, ).

1.2.3 DP-

DP- PROFIBUS. SIMATIC S7

DP- DP- ;

S7 DP-,, CPU 318-2DP

,, 200

,, 200

,, CPU 315-2DP

PROFIBUS-DP

DP/PA

DP/PA

DP/RS232C

DP/AS-

PROFIBUS-PA PROFIBUS-PA

AS-

1.2 /

15

DP- ();

( ) DP- (I-slaves) , () .

PROFIBUS DP

DP- ET 200B ( -/ /; IP 20; - 12 /), ET 200 ( IP66/67; /; - 1,5 / 12 /) ET 200L-SC ( - / /; IP 20; 1,5/). , (Link) DP/AS-i, - PROFIBUS.

PROFIBUS DP

DP- 200. S7-300 DIN, , - IM 153 CPU (SM) (FM), . 9,6 / 12 /.

200 , DP- S7-400. , / S7-300 -. . .

200 IM 153-3 - . IM 153-3 , DP- , DP- .

(I-) PROFIBUS-DP

DP- S7-300, - CPU, DP-, - (, CPU 315-2DP), S7-300 CP 342-5 .

200 147/CPU DP-. 7 . -


16

, 147/CPU, STEP 7. - /, -/, (- 5,5 400 ). 9,6 / 12 /.

1.2.4 PROFIBUS-PA

PROFIBUS-PA

PROFIBUS-PA (Process Automation ) (Ex- 1), , , , .

PROFIBUS-PA EN 50170, 2 (PROFIBUS-DP), IEC 1158-2.

PROFIBUS-DP PROFIBUS-PA:

DP/PA-, PROFIBUS-DP 45,45/

DP/PA, PROFIBUS-DP PROFIBUS-PA.

DP/PA-

DP/PA- PROFIBUS-DP. PROFIBUS-DP DP/PA- DP-, - 45,45 /. DP/PA- 31 - . PROFIBUS-PA 31,25 /. PROFIBUS-PA PROFIBUS-PA.

DP/PA- : -Ex- - 400 Ex- 100 .

DP/PA

DP/PA PROFIBUS-DP 9,6 / 12 /. DP/PA IM 157 DP/PA- ( 5 ), SIMATIC S7. -

1.2 /

17

, PROFIBUS-PA, PROFIBUS-DP. DP/PA 31 - .

SIMATIC PDM

SIMATIC PDM (Process Device Manager , SIPROM) , - PROFIBUS-PA HART. HART- (Highway AddressableRemote Transducers ) - DDL (Device Description Language ).

SIMATIC PDM Windows 9x/NT , STEP 7.

1.2.5 AS-

-

- (actuator-sensor interface AS-i) . AS-i- 31 AS-i- 2- AS-i-, , . AS-i- AS-i, 8 () .

AS-i 100 ; 2100 (AS-i- AS-i -) (AS-i- AS-i -, ).

AS-i-

AS-i- AS-i- 5 . AS-i- SIMATIC S7 342-2 PROFIBUS-DP DP/AS- ( 1.4).

AS-i- 342-2 S7-300 200. :

342-2 /. 16 16 ( 128 -). AS-i- , - .


18

AS-i-. FC ( , / -, ).

DP/AS- AS-i- AS-i- PROFIBUS-DP. PROFIBUS-DP - DP-, AS- AS-i-, 31 AS-i-. AS-i- (31) DP/AS- 16 16 . - 12 /.

1.4 AS-i SIMATIC S7

DP/AS- : DP/AS- 65 IP 66/67 DP/AS-20 IP 20, , 20 .

1.2.6

PROFIBUS-DP/RS 232C - RS 232C (V.24) PROFIBUS-DP. RS 232C PROFIBUS-DP DP/RS 232C.

S7-300

PROFIBUS-DPCP342-2

AS-

DP/AS-

- AS-i

:

AS-i

AS-i

AS-i

AS-i

AS-i

AS-i

4 8

AS-iASIC

AS-iASIC

1.2 /

19

DP/RS 232C 3964R (free)ASCII.

PROFIBUS-DP/RS 232C - -- (, point-to-point). PROFIBUS-DP PROFIBUS-DP/RS 232C. - . 224 .

PROFIBUS-DP 12 /; RS 232C - 34 / , - , -.


20

1.3

SIMATIC S7. - . - CPU - . ( Siemens).

SIMATIC (SIMATIC NET) (-) - SIMATIC. - - (HMI-). - .

1.3.1

1.5 . SIMATIC , . - .

1.5 SIMATIC S7

SIMATIC S7CPU

DB

ID-

-

ID

SD

SFB

SIMATIC S7CPU

DB

ID-

-

ID

RD

SFB

-

1.3

21

SIMATIC S7 CPU MPI-, . , - (CP), . - . -.

- ( ), , , (). S7- , , S7- .

. , - .

- , - , () (). SIMATIC MPI, PROFIBUS, Ethernet (Industrial Ethernet) - -- (point-to-point PTP).

() , , . , , , .

SIMATIC : S7-, PROFIBUS-DP, PROFIBUS-FMS, PROFIBUS-FDL (SDA), ISO-, ISO-on-TCP - (global data communications).

() - . - , , (, ), .


22

SIMATIC : S7-, S7-(), FMS- FDL-, ISO-, ISO-on-TCP- TCP-, UDP- e-mail-.

- . SIMATIC S7 - CPU - . (loadableblocks).

1.1 , - .

1.1

, -

(GDtable)

SFC-

SFC-

MPI CPU

SFB- ( S7-400)

(connection ta-ble), FB-

PROFIBUS-DP(, )

Hardware configuration (- ), / -, SFC-

CPU DP-

SFC-

SFC-

PROFIBUS-DP ( -)

Hardware configuration, / -, SFC-

IM 467

SFC-

SFC-

PROFIBUS-DFLPROFIBUS-DP ( -)

NCM, ,SEND/RECEIVE

SFC-

SFC-

CP 342-5CP 443-5-

SFB- ( S7-400)

, SFB-

PROFIBUS-FMSPROFIBUS-FDL

NCM, , FMS-, SEND/RECEIVE

SFC-

SFC-

PROFIBUS

CP 343-5CP 443-5

SFB- ( S7-400)

, SFB-

1.3

23

1.1 ()

, ISO TCP/IP

NCM, ,SEND/RECEIVE

CP 343-1CP 443-1

SFB- ( S7-400)

, SFB-

ISO TCP/IP, IT-

NCM, ,SEND/RECEIVE

-Ethernet

CP 343-1 ITCP 443-1 IT

SFB- ( S7-400)

, SFB-

NCM ; NCM PROFIBUS . Ethernet.

1.3.2

- . SIMATIC- . :

MPI SIMATIC .

PROFIBUS , /.

Ethernet - .

Point-to-point (PTP-) - .

STEP 7, , SIMATIC S7, , - . - S7 .

MPI

CPU (- multipoint interface, MPI). , CPU, - - . - Siemens.


24

MPI , . 50 . - RS485 ( 1100 ) ( 100 ). 187,5 /.

32. - . ( ).

MPI CPU - , SFC- SFB-. .

PROFIBUS

PROFIBUS Process Fieldbus ( ), , EN 50170, .

- . ; 100 - (12 /) 1000 (9,6 /). - .

127; . - , . - ( ). () (), , , . .

/ PROFIBUS; PROFIBUS-DP . CPU DP-, CP. SFC- SFB-.

PROFIBUS-FMS PROFIBUS-FDL, - CP. (FMS- SEND/RECEIVE-), .

1.3

25

Ethernet

Ethernet , - , , - IEEE 802.3.

, . - 1,5 , 4,5 . 10 /.

1000 Ethernet. , . , - (CSMA/CD-). .

Ethernet - SFB-, S7. - Ethernet CP, ISO- ISO-on-TCP- SEND/RECEIVE-.

-- (point-to-point)

-- (PTP) - . SIMATIC- .

. RS 232C (V.24), 20 (TTY) RS 422/485. - 300 / 19,2 / - 20 76,8 / RS 232C RS 422/485. ; 10 RS 232C, 1000 20 9,6 / 1200 RS 422/485 19,2 /.

AS-

AS- ( /, AS-i) - - AS- IEC TG 178. AS- SIMATIC- ; AS-I- - (hardware configuration) (net-work configuration).


26

, ( ). - 300 . 167 /.

31 , .

1.3.3

- . - :

(PG): , - ; , , .

HMI-: -; - OP, , .

SFB-: - . SFB- ; , - .

SFC-: - 76 . SFC-; , .

S7- MPI, PROFIBUS - Ethernet.

- CPU . -.

; . .

MPI K- .

PROFIBUS-DP - /. - EN 50170 2. SIMATIC

1.3

27

S7 ( SIMATIC) PROFIBUS.

PROFIBUS-FMS (Fieldbus Message Specification - ) (FMS-) EN 50170 2. PROFIBUS.

PROFIBUS-FDL (Fieldbus Data Link ) SDA (Send Data with Acknowledge ), EN 50170 2. . - PROFIBUS-FDL , , - SIMATIC S5 PROFIBUS.

ISO- ISO 8073 4. . ISO- , , SIMATIC S5 Ethernet.

ISO-on-TCP TCP/IP RFC 1006. Ethernet.

1.3.4

(connection) . ; () ( ). .

; ( ). . Connection type ( ) ( 2.4 ).

S7 - PROFIBUS-DP SFC-. (global data table); PROFIBUS-DP SFC- .


28

- () CP. , , S7 MPI- CPU, CPU; MPI- CP - CP CPU.

CPU . - OP ( ).

- SFC-.

1.4

29

1.4

1.4.1

, , ( 1.6).

, , +HP01-S10 ( , Switch motor on), , . , / (I/O-) (, 5, 2).

CPU , (I 5.2, -). I 5.2 - .

-, ( ), (symbol table). - - .

1.4.2

(S7). . - ( -).

, - . , .

, / - . DP- .

Hardware Configuration STEP 7 - S7 - . ( 2.3 ).

1.4.3

, , -, (


30

/). / - 0 , CPU.

1.6 , ( )

, ( ). () , . , . 0,1, 2 3; . : 8 -

0 1 2 3 4 5 6 7

+HP01S10

7

0

7

0

n

n+1

4

57

0

7

0

I/O

4

5

I-5 DI 16 4

I 5.2 BOOL

(LAD)

I 5.2

(FBD)

I 5.2

&

&

1.4

31

8, 9, 10 11. (, ) , . 2, 4, 8 16 , 4, 8, 16 32 .

( ) CPU - , , . - (0-). (configuration table).

S7-3 DP-, S7-318 S7-400 - . - . - . FM CP - .

/() -/. -/ .

DP- , ( -) ( ). - / , SFC 14 DPRD_DAT SFC 15 DPWR_DAT.

, , (Input) (Output). , FM CP , - .

1.4.4

- , . - ( ), . (, ), / , - .

/ . ; , , - CPU .


32

STEP 7 -, /. - Hardware Configuration.

; ( 20.4.1 -/).

1.4.5

,

DP- (, DP-, DP-, -) PROFIBUS , .

MPI-

, MPI ( CPU, FM CP), MPI-. -, - - .

, CPU S7-300 FM CP, , MPI-, MPI- CPU.

CPU S7-300 MPI- FM CP - MPI- CPU.

CPU 318 MPI- , MPI-. - .

1.5

33

1.5

, , -

,

,

,

( 7 8 -),

L- ( 18.1.5 ).

() .

1.5.1

SIMATIC S7 : , Load () Transfer (), .

, - /. () .

. - -/ , - , , . . , , , . - . - ; .

/, -, , (peripheralinputs, PI) (peripheral outputs, PQ). , CPU .


34

(PI) . PI . I/O- 0; - CPU.

/ (Direct I/O Read) , - ( , ). , - , - (Direct Read). . , - , .

, .

(PQ), . - PQ . I/O- 0; CPU.

Direct I/O Write ( /) , (-, ). , , . -. , Direct I/O Write - ! , .

, - .

1.5.2

, . - (I), (Q). , - .

1.5

35

, - , . 20.2.1 -.

CPU S7-300, CPU S7-400, 1998 ., - . .

CPU, , CPU 417, . - . - CPU , .

(input) . , - . - CPU -.

:

, - ( / ).

, (, () / , , ). .

( ). , - .

, (random access memory). . - , .

(- 20.2.4 ).


36

(output) -. , . CPU - .

:

( / ).

, (, () -/, , ). .

. - .

(), - . - , . , , -.

. - 20.2.4 - .

1.5.3

, , , . - . , . CPU . CPU.

, . -:

(temporary local data), , ;

1.5

37

(static local data), , .

()

( ), , - . - . CPU. - 22.2.3 .

. ( ), (watchdog) ( ) (clock memory).

, - ( ) 1:1. - ( 1.7). , , CPU. , .

7 6 5 4 3 2 1 0

1.7

10

5 ( )

2,5 ( )

2

1,25 ( )

1

0,625 ( )

0,5

2 STEP 7

3

2

2 STEP 7............................................................................................ 42.1 STEP 7............................................................................................................ 4

2.1.1 .................................................................................................................... 42.1.2 .................................................................................................................... 52.1.3 SIMATIC- ....................................................................................................... 52.1.4 ................................................................................................... 82.1.5 ..................................................................................................... 10

2.2 .................................................................................................... 112.2.1 ....................................................................................................... 112.2.2 , , ........................................................ 132.2.3 ........................................................................................................... 15

2.3 ................................................................................................ 172.3.1 ................................................................................................... 192.3.2 ...................................................................................................... 192.3.3 ............................................................................................ 202.3.4 MPI .......................................................... 212.3.5 ............................................................... 21

2.4 ...................................................................................................... 232.4.1 .......................................................................................... 252.4.2 DP- Network Configuration ......................... 262.4.3 .................................................................................. 272.4.4 ........................................................................................................ 322.4.5 ....................................................................................... 33

2.5 S7 ...................................................................................................... 352.5.1 ........................................................................................................................ 352.5.2 ........................................................................................................ 362.5.3 ....................................................................................................... 382.5.4 .................................................. 412.5.5 ......................................................................................................... 422.5.6 ....................................................................................................... 432.5.7 ............................................ 45

2.6 () ................................................................................ 482.6.1 PLC........................................................................................................ 482.6.2 ............................................................................... 492.6.3 CPU ......................................................................................................... 502.6.4 CPU.......................................................... 512.6.5 ......................................................................................................... 52

2.7 .................................................................................................... 552.7.1 ..................................................................... 552.7.2 STOP................................................. 562.7.3 ......................................................... 562.7.4 ( Force)....................................... 582.7.5 ..................................................................... 612.7.6 LAD/FBD...................................................................................... 62

2 STEP 7

4

2 STEP 7

2.1 STEP 7

STEP 7 5.1(V5.1). -, , .

(statement list,STL), (ladder logic, LAD) - (function block diagram, FBD). , S7-SCL (structured control language - ), S7-GRAPH (sequence planning -) S7-HiGraph (state-transition diagram -).

2.1.1

STEP 7 V5 32- , - Windows 95 Service Pack 1 ( 4.00.950), Windows 98 Windows NT Service Pack 3 ( 4.00.1381). - STEP 7 Windows 95/98 - (programming device, PG) PC 80486 32 RAM; Pentium 64 . WindowsNT Pentium 32 RAM; , STEP 7 Windows NT.

STEP 7 , , , - 100 , PC .

STEP 7 V5 200 300 - (, ) . ( swap-out). 128 256 - .

, , , - . , , - . -, , . , Windows.

SETUP Windows 95/98/NT. STEP 7 - .

2.1 STEP 7

5

STEP 7 V5 - (), NCM CP - STEP 7 Acrobat Reader V3.01.

MPI-. - , MPI. , (prommer).

STEP 7 V5 , , , , , , . - Windows (Windows Control Panel) SIMATICWorkstation ( SIMATIC). - .

2.1.2

STEP 7 ( ). - . STEP 7 , . .

- () .

- , , - - , , . .

2.1.3 SIMATIC-

SIMATIC- (SIMATIC Manager) STEP 7; () Windows (Start).

SIMATIC Manager

SIMATIC- .

2 STEP 7

6

(Project Wizard). . - (, check box) Display Wizard on start-ing the SIMATIC Manager ( SIMATIC- -), File NewProject Wizard ( ).

(project). - .

, File Open ( -), : ( ), ( 2.1). - ; - .

2.1 SIMATIC-

STEP 7 SIMATIC-. - . , . , - , , MPI. CPU, CPU , S7-. , -, (container) , Blocks(), , , -.

2.1 STEP 7

7

STEP 7 . 2.2 ( ), STEP 7 S7- . () -. . , . - CPU ( PLC), View Online ( ). , , ; , , - .

MPI[PTP, PROFIBUS,Ethernet]

CPU

(= ) -

(, STL- SCL-)

-

OB nFB nFC nDB n

SFC nSFB n

. , CPU

UDT n -

VAT n (-)

, CPU( , S7-, CPU)

2.2 STEP 7

SIMATIC 300/400

CPU xxx

S7

S7

2 STEP 7

8

, - (). - , . Options Customize ( -) View ().

Options Customize ( ) , - SIMATIC-, (), (libraries), , .

:

() , , ( ).

( , ) Edit Object Properties ( ) . , CPU, - (), Hardware Configuration ( ).

, . , SIMATIC- - . - , SIMATIC- - (, , ).

. , - , (toolbar). . - .

2.1.4

STEP 7 (main objects) .

(Projects) , .

2.1 STEP 7

9

,

,

,

( , , ).

. () , -. , .

(Libraries) - . . - STEP 7, , , - ( ), (symbol table). ( ) , .

STEP 7 V5 (StandardLibrary), :

System Function Blocks ( ) , CPU, ;

S5-S7 Converting Blocks ( S5-S7) S5/S7 ( S5 );

I-S7 Converting Blocks ( I-S7) I-S7;

IEC Function Blocks ( IEC) - DATE_AND_TIME STRING;

Communication Blocks ( ) CP 342-5 (CP-);

PID Control Blocks ( PID-) ;

Organization Blocks ( ) (templates) ( ).

2 STEP 7

10

25 -. , S7 , - . - . File Open ( -) . .

File New ( ) - (, ). , SIMATIC- , - Options Customize ( ) New ().

Insert () - (, ). , SIMATIC- , .

- Edit Copy ( ) Edit Paste ( ), Windows, - . , SIMATIC- - (undo) .

2.1.5

() , , -. (topic), , - Help (). , GETTING STARTED() , SIMATIC-.

Help Contents ( ) - STEP 7 . .

Help Context-Sensitive Help F1 ( - F1) - , F1, - , - .

. , . , , , , - .

2.2

11

2.2

, - . -, , , , CPU . , S7- - . , - ( , CPU, -) Hardware Configuration.

, - SIMATIC-. , , (!) Windows Explorer( Windows) - SIMATIC-.

2.2.1

(Project wizard)

STEP 7 V3.2, - STEP 7 Wizard ( STEP 7). CPU, S7 CPU, S7-, - .

S7

, . 2.1.3 SIMATIC-.

File New ( ), , RETURN.

Insert Station SIMATIC 300Station ( SIMATIC 300) ( S7-300).

2 STEP 7

12

, , ; SIMATIC- . Hardware () Hardware Configuration, - (configuration table). - , View Catalog ( ).

,, SIMATIC 300 RACK 300, , - ( drag &drop). .

, , . - , -, CPU, , CPU 314 2. - . 2.3 .

, SIMATIC-. - CPU.

CPU SIMATIC- S7 Program(S7-) . .

S7 Program

CPU; S7- - (connection table) S7 Program Connection.

S7-; SIMATIC- - (Blocks ), - .

(Blocks); SIMATIC- - (Systemdata ) ( 1).

. 1 , , , - .

2.2

13

Insert S7 Block ( S7) (Blocks ) - .

System data ( ) - . - . Hardware () Station (). System data ( ) CPU, PLC Download (PLC ), CPU.

Source Files ( ) . Source Files ( ), Insert S7 Software STL Source File ( S7 STL), . Insert External Source File ( ), - , , , ASCII, Source Files ( ).

S7

- . . S7- Insert Program S7Program ( S7-). S7-SIMATIC- Sources () Blocks(). Blocks () 1.

, , , . , , -.

, , , STEP 7 .

2.2.2 , ,

SIMATIC- - : , . - STEP 7, - .

2 STEP 7

14

File Rearrange ( )SIMATIC- . , (), ().

File Rearrange ( ), SIMATIC- , , , . .

(File Archive, ). SIMATIC- ( ) - .

. STEP7 ARJ PKZIP 2.50, - (WinZip 6.0, Pkzip 2.04g, JAR 1.02 LHARC 2.13).

() . File Retrieve ( ) . - .

Ar-chive (), Options Customize ( ); , Generate archive path automatically ( ) ( -, ).

CPU

STEP 7, 5.1, CPU S7-400 () CPU, . , -, , , - -. - , - CPU .

, CPU, -, CPU PLC Save Project on Memory Card (PLC ). : PLC Retrieve Project from Memory Card (PLC

2.2

15

). , - , CPU, CPU, .

, CPU, , CPU - PLC Display Accessible Nodes (PLC ). , File S7 MemoryCard Open ( S7 ).

2.2.3

STEP 7 V5 SIMATIC- . STEP7 V1 1, STEP 7 V2 2, STEP 7V3/V4/V5.0 - 2 3. STEP 7 V5.1 V3- V3-.

2.3

STEP 7 V3/V4/V5.0

STEP 7 V1

STEP 7 V5.1

S

TEP

7 V2

V2

V2

V1

V1 V2 File Open version 1 project.

- V3 File New Project.

V2 - File New project 2.x.

V3

V3

V2 V3.

V2 - V3 File Save As.

- V2 - V3,- File Open.

2 STEP 7

16

1, 2 File Open Version 1 Project ( 1). - , 1, STL-, - .

2 STEP 7 V2, V3, V4 V5.0 ( 2.3).

STEP 7 V5.1 3. , - V1- V2- File Open Version 1 Project ( - 1), V2-, File Open ( ). V2- 2 .

2.3

17

2.3

- Hardware Configuration. - CPU. . - .

, Edit Open Object ( ) - Hardware SIMATIC300/400 Station ( SIMATIC 300/400). - Options Customize ( ).

, Station Consistency Check ( - ) . Station Save ( ) - .

2.4 Hardware Configuration

2 STEP 7

18

Station Save and Compile ( ) , System data ( ) Blocks (). - CPU PLC Download (PLC ). Sys-tem data ( ) Blocks () CPU. - PLC Upload (PLC ).

Station Export ( ). STEP 7 ASCII, . - . - ASCII-.

Hardware Configuration (checksum) - . , , , .

System data ( ). , S7- Blocks(), System data ( ) - Edit Open Object ( ). . - Blocks (): Blocks () Edit Object Properties ( ) Checksums ( ).

Hardware Configuration ( 2.4). - . DP- . , , , PROFIBUS, DP-. - , DP-, .

2.3

19

View Catalog( ). , -, STEP 7. Options Edit Catalog Profile ( - ), , , , - . - .

Hardware Configuration , - , DP-. , . .

2.3.1

, - , , SIMATIC 300 RACK 300, , - (drag&drop). - . - . No Parking( ) .

S7-300 3 ; - .

- . - S7-400 ( : - ) Link () Properties () Send IM ( Edit Object Properties, ).

I/O- 20.4.2 - /.

2.3.2

Hardware Configuration - () .

2 STEP 7

20

. CPUS7-400 CPU S7-300 DP- . , S7-300 S7-400, .

, , (-) . , ; .

S7-400, - (subsidiary) ( Part process image). - CPU, , .

View Address Overview ( ) , - , - CPU.

MPI- MPI-. . , , MPI- - CPU .

Hardware Configuration (), .

, , - . () Edit Symbols( ). , , -, ( ).

Add Symbol ( ) . Apply () . .

2.3.3

. , . - .

Edit Object Properties ( ).

2.3

21

. CPU, () . SFC 55WR_PARM, SFC 56 WR_DPARM SFC 57 PARM_MOD.

2.3.4 MPI

MPI () (Module Properties). CPU MPI-, CPU , , Edit Object Properties ( ). - Interface () General () Properties (). , Parameter (), .

MPI-, CPU. , CPU S7-300 FM CP MPI- MPI- CPU.

MPI- MPI-, ( FM CP!). .

: CPU, CPU (). CPUxxx(1), MPI-. - , , , CPUxxx(1) CPUxxx(n), n - MPI-.

MPI- - MPI- (operator panel, OP) . - - MPI ; () MPI- () -. : 0 -, 1 2 CPU ( ).

2.3.5

Hardware Configuration - () . , () , CPU. . -

2 STEP 7

22

, PLC Monitor/Modify (PLC /) (Monitor) (Modify) .

Hardware Configuration Status Value ( ) - . Modify Value( ) , - Modify Value.

() I/O Display ( I/O) , / ( ) / - ( ). Enable Perif Outputs ( - ) , CPU - STOP () ( 2.7.5 ).

- 2.7.3 2.7.4 .

2.4

23

2.4

S7 SIMATIC-. . SIMATIC- - . HardwareConfiguration ( CPU CP); - . NetworkConfiguration ( ) .

Network Configuration . Network Configuration - ; - .

- , :

MPI ; , Insert Subnet ( ).

Network Configuration .

-.

.

, -.

Network Configuration - : MPI Options Define Global Data (- ) ( 20.5 - ).

Network Save ( ) NetworkConfiguration. Network Consistency Check ( ).

Network Configuration Network Save and Compile ( ).

2 STEP 7

24

Network ( )

Network Configuration . SIMATIC- MPI.

Network Configuration. Network Configuration, Connections (-) CPU.

2.5 Network Configuration

Network Configuration () .

-, , CPU S7-400, -.

(Network Object Catalog) - SIMATIC, DP-. - View Catalog ( -), ( ).

2.4

25

View Zoom In ( ), View ZoomOut ( ) View Zoom Factor ( -) .

2.4.1

Network Configuration . , , , . - . .

, - . . Network Configuration, , , () . - Network Configuration.

NetworkConfiguration . , , , . .

.

. , .

-: Edit Object Properties ( ). , , General () ID () S7. ID , . ID S7 , - - . , -, , Network Settings ( ).

( ) Edit Object Properties ( -), , , , . Interfaces () , .

2 STEP 7

26

( - , Hardware Configuration).

2.4.2 DP- Network Configuration

Network Configuration - /. View With DP Slaves ( DP-), DP- .

DP-, :

PROFIBUS ( , PROFIBUS ).

DP- ( , , DP- - Hardware Configuration CPU, ).

DP- PROFIBUS ( Hardware Configuration, DP- Network Configuration, , PROFIBUS).

DP-, . - DP- PROFIBUS , .

DP- - Edit Open Object ( ). Hardware Configuration. - , , / ( 2.3 ).

DP- (I-slave) , ( 20.4.2 - /). DP- Already created stations ( ); , DP-, ( Hardware Configu-ration).

View Highlight Master System ( -) DP-; - .

2.4

27

2.4.3

. ,

SFB- SIMATICS7 ( )

SIMATIC S7.

: MPI . , - , , . PG/PC (- ) Stations (), PG/PC .

. -: , - , .

Connections () CPU -. Connections () Network Configuration, .

, Network Configuration CPU S7-400. ( 2.1; , ). - Insert New Connection ( ) .

CPU. , CPU S7-300; CPU S7-300 S7-.

Station() Module () New Connection ( )( 2.6); . .

ShowProperties Dialog ( ).

2 STEP 7

28

. View Display Columns( ) .

ID ()

CPU. STEP 7 ID - . - . ID (local ID, ID - ). , - - ID.

ID . , - :

S7-: 0001hex 0FFFhex

PtP-: 1000hex 1400hex

ID (partner ID) CPU- ( ) ID: Edit Object Properties ( ). STEP 7 ID , ( ).

2.1

Local ID /- ID

Partner ID/ ID -

Partner / Type /

Active connectionpartner / - -

Send operating modemessages /

1 1 416 /CPU416(5)S7-

2 2 416 /CPU416(5)S7-

3 315 /CPU315(7)S7-

4 1 417 /CPU414(4)S7-

2.4

29

. -, (Station) unspecified ().

(one-way connection) ; : SFB- CPU S7-400 S7-300. SFB- S7-300, CPU S7-400 SFB 14 GET SFB 15 PUT. S7-300 , - .

CPU. STEP 7 ID. .

(two-way connection) ; , CPU S7-400 - SFB 8 SEND SFB 9 BRCV.

- . STEP 7 ID ID . - .

STEP 7 Network Configuration :

PtP- ( ) ( 3964(R) RK 512) SFB-. PtP- (- point-to-point, ) . SIMATIC S7 CP SIMATIC ( Siemens), -, .

S7- MPI, PROFIBUS - Ethernet SFB-. S7- - SIMATIC S7 - -. S7-, .

S7- PROFIBUS - Ethernet SFB-. S7- SIMATIC S7, - PC.

2 STEP 7

30

NCM S7 for PROFIBUS NCM S7 for Industrial Ethernet CP. - NCM :FMS-, FDL-, ISO-, ISO-on-TCP-, TCP-, UDP- email-.

(-). , -, . - Active Connection Buildup ( ) ( , Edit Object Prop-erties, ).

- . , . CPU- SFB 23 USTATUS.

(connection path) , . , STEP 7 :

1) Ethernet;2) Ethernet/TCP-IP;3) MPI;4) PROFIBUS.

CPU, , . Interface (), . CPU - (, CPU S7-400 - ), PLC-internal (PLC-).

Types () , - . , , MPI PROFIBUS, Types () MPI. - PROFIBUS, STEP 7 . Address () MPI- PROFIBUS-.

2.4

31

2.6

2 STEP 7

32

S7, SI-MATIC-, un-specified () ( ).

, (STEP 7 - ). - .

, S7

, S7:

( Siemens, S7 - );

/PC;

SIMATIC S5.

, - , - . , Network Con-figuration, Edit Object Properties ( ) Interfaces ().

2.4.4

, . , S7, MPI.

, PROFIBUS, S7, - -. , , .

, (routing tables), .

S7- , .

2.4

33

- , . (placeholder), PG/PC- - . PG/PC- , - .

- PLC Assign PG/PC (PLC PG/PC). - . PLC Undo PG/PC Assignment (PLC PG/PC).

, - , ID S7.ID S7 : . - ID Network Configuration Edit Object Properties ( ) General ().

2.4.5

, PLC ( CPU).

: , . - , .

. , - , STOP.

PLC Download (PLC ) . , , - :

Selected Stations ( ),

Selected and Partner Stations ( -),

Selected Connections ( ),

Stations on Subnet ( ),

Connections and Routers ( ).

2 STEP 7

34

System data ( ) Blocks (). - .

MPI . PC - Ethernet PROFIBUS, - . - Set PG/PC Interface ( PG/PC) Windows (Windows Control Panel).

2.5 S7

35

2.5 S7

2.5.1

S7 Program (S7-). - (CPU) CPU. Symbols (), Source Files ( ) Blocks () ( 2.7).

2.7

, -- (block-by-block). -. - Blocks (). CPU , -. .

, (), Source Files ( ). - ASCII, - , . -, Blocks (). STL; LAD FBD, , LAD FBD, - .

2 STEP 7

36

. -, , I 1.0 ( absolute addressing). - Symbols () - (- , , Switch motor on ) ( sym-bolic addressing). Blocks () -, - ( address priority).

2.5.2

; , , ,. (, I1.0) - (, Start signal). - . , .

(local) (global) -. , . - . - . (- Symbols () S7 Program (S7-)).

2.8

, 24 . , -, . 00hex, FFhex (). . - . 80 .

:

2.5 S7

37

I, Q, PI PQ;

, ;

OB, FB, FC, SFC, SFB DB;

UDT;

(variable table) VAT.

; - - .

S7 SIMATIC- Symbols (). , - ( 2.8). S7 .

. , . -, BOOL () , INT () , - 16- . 3.5 , , .

, - ; - . - , .

,

. - . , , . - ASCII- ( *.asc), - (*.seq), (System Data Format, *.sdf MicrosoftAccess) (Data Interchange Format, *.dif Microsoft Ex-cel). -. -.

2 STEP 7

38

Edit Special Object Properties ( - ) .

- (HMI-) - WinCC;

;

;

S7-PDIAG.

View Columns O, M, C, R ( O, M, C, R). Options Customize ( ) , , - .

2.5.3

STEP 7 (Program Editor) LAD, FBD STL. LAD FBD , ; 2.9 .

, ; , .

LAD/FBD , 7 ( CPU - ). , STL.

SIMATIC-, , 1 Windows, Start Si-matic STEP 7 LAD, STL, FBD Program S7 Blocks ( Simatic STEP 7 LAD, STL, FBD S7).

2.5 S7

39

2.9 LAD/FBD

Options Customize( ). Editor () Create Blocks (- ) , , , , , .

Blocks () ( , ), .

, -, , STL. ,

PG

CPU

-

()

()

PLC

PLC

2 STEP 7

40

, , 7 , .

, - : (KNOW_HOW_PROTECT), - ( - 24.1 ).

, -, Blocks (). - , (network). , .

Create Blocks ( ), Options Customize ( ), .

-, CPU, PLC. SIMATIC- - ; .

- PG. , - File Save ( ) CPU, PLC Download (PLC ). - , - CPU, - File Save As ( ).

CPU, . - CPU , , , . CPU, - PLC Download (PLC ). CPU RUN (-), . , File Save ( ).

2.6.4 CPU 2.6.5 . 3.3 3.4 , LAD/FBD.

2.5 S7

41

2.5.4

Source Files ( ), Options Customize ( ), Generate source fileautomatically ( ) , - ( ) , .

. - .

Execute () - , .

SIMATIC- Edit Export Source File ( ). ASCII-, , . Source Files ( ) Insert ExternalSource File ( ).

, LAD FBD, LAD- FBD-. SIMATIC- File Compile( ). Blocks () STL-. - , View LAD( LAD) View FBD ( FBD). .

Addresses Symbolic( ), . , , , -, , . - . ( -), , .

()

Rewire () - . , - I0.0 I0.7 I 16.0, , I 16.7.

, , , , FC FB.

2 STEP 7

42

SIMATIC- , - ; , , - Ctrl, Blocks () . Op-tions Rewire ( ), , . SIMATIC- .

, -, .

, .

:

Ad-dress priority ( );

, -, , .

2.5.5

Blocks (), Blocks () , , - () .

Absolute address has priority ( ) ( , STEP 7). -, , - , . Symbolhas priority ( ), , -.

:

:

I 1.0 Limit_switch_upI 1.1 Limit_switch_down

I1.0 :

I 1.0 Limit_switch_up

2.5 S7

43

I1.0 I1.1 :

I 1.0 Limit_switch_downI 1.1 Limit_switch_up

, :

I 1.1 Limit_switch_up

Symbol has priority ( ) Absolute address has priority ( ), :

I 1.0 Limit_switch_down

- , Absolute address haspriority ( ) (statement) - ( , ,, ). Symbol has priority ( ), (, - ).

Symbol has priority ( ), - . , .

, , - 7- - . , .

2.5.6

SIMATIC- - (reference data), - . :

(I, Q, M , )

2 STEP 7

44

, Blocks () Options Reference Data Display ( -). - View Filter ( ); - Save asStandard ( ). .

Options Customize ( ) Create Blocks ( ) , - - .

, ; , , .

, - . , ( ), , , ( ) . STL , ; SCL . - , .

, Edit Go To Line ( ) .

, View Filter ( ), , . , , -. STEP 7 , Standard (-), , .

: , . , , - ( ).

I/Q/M , I, Q . , . , , . / , . .

: , (-) .

2.5 S7

45

. - . : . - + -. - , , / . - , , .

/ . .

: ? ? -? ( )?

, , . , , - .

: ? , , ?

, . .

: ( - -)?

2.5.7

SIMATIC- - .

, . , , -, STEP 7 SIMATIC- Language () Options Customize ( ).

2 STEP 7

46

, , STEP 7 - . .

, , . , . *.csy, , , Microsoft Excel. . . . .

SIMATIC- , , , , , , . Options Manage Multilingual Texts Ex-port ( ). . , (2.2).

, , Sym-bolComment.csv .

() Microsoft Excel File Open ( ) ( ). - , .

Options Manage Multilingual Texts Import ( - ). (log-) , .

, , .

2.5 S7

47

2.2 ()

BlockTitle BlockComment NetworkTitle (, )NetworkComment (, )LineComment InterfaceComment

UDT

SymbolComment

SIMATIC- Options Manage Multilingual Texts Change Language ( ). - (, ), - . log-.

Options Man-age Multilingual Texts Delete Language ( ).

2 STEP 7

48

2.6 ()

- , (engineering system, ES). S7 , .

CPU, -. . () CPU , .

2.6.1 PLC

MPI- MPI- CPU. , CPU - . MPI CPU, (MPI-). MPI- - CPU. CPU , - CPU SystemData ( ) Blocks () - Hardware Configuration, - PLC Download (PLC ). CPU - MPI- ( ) .

MPI- CPU MPI- CPU , MPI-. , MPI- . , - , , MPI-.

MPI- CPU . , CPU . - CPU, .

, CPU - PLC Display Accessible Nodes (PLC ). - Accessible Nodes Module (MPI=n) Online User Program (Blocks) (MPI=n) - (). Module () , - . Blocks () CPU. (, ,) .

2.6 ()

49

CPU ,, - -. SIMATIC-, PLC Upload Station (PLC ). CPU .

CPU , - () . MPI- - CPU, S7- Edit Ob-ject Properties ( ) Addresses Module( ) CPU.

S7 Program (S7-), CPU . Blocks () , CPU. , - , ( , -).

CPU , - , CPU . , SIMATIC-, - CPU .

2.6.2

CPU - . , , - . , , . Hardware Configuration, Protection () CPU.

1:

( ). - , - . RUN-P (--P) STOP ; RUN -. , .

RUN Can be revoked with password ( ),

2 STEP 7

50

, CPU, - .

2:

, .

2: /

, .

2 3 2 Can be revoked withpassword, . 8.

, , . CPU PLC Access Rights (PLC ). CPU S7-.

Enter Password ( ) Use password for other protected modules ( - ) , , .

S7-.

, , - CPU, -.

2.6.3 CPU

CPU, . - ( -) S7 ( ).

PLC Diagnose Hardware (PLC ) 2.7.1 .

2.6 ()

51

PLC Module Information (PLC ) (, ), , (- , ), (- , ), ( CPU, , ), ( , , , SFC SFB), (- ), STOP(B-, I- L-).

PLC Operating Mode (PLC ) ( , RUN STOP), .

PLC Clear/Reset (PLC /) () CPU, STOP.

PLC Set Time and Date (PLC ) CPU.

PLC CPU Messages (PLC CPU) , SFC 52 WR_USMSG,SFC 18 ALARM_S SFC 17 ALARM_SQ.

PLC Display Force Values (PLC ),PLC Monitor/Modify Variables (PLC / -)( 2.7.3 2.7.4 ).

2.6.4 CPU

( - ) CPU CPU. - RAM -EPROM, CPU () .

-EPROM, . - CPU ; CPU. CPU -EPROM, CPU, .

RAM - CPU STOP, . -

2 STEP 7

52

. - RAM .

( CPU, - , GD-, ), System Data ( ) CPU (- PLC Download - PLC ). CPU ; CPU .

, PLC System Data ( ). PLC Download (PLC ) , , , - , .

: PLC Save Project onMemory Card (PLC ) ( 2.2.2, , ). - , CPU.

2.6.5

RAM - , - .

CPU - PLC Download (PLC ). - .

. , , CPU - STOP, -. , . . , , .

SIMATIC- SCL - Blocks () CPU. CPU , - SCL. - SCL- , , - .

2.6 ()

53

STL ( CPU), , . , , - ; ( , , , ).

, , - , (, - , , ).

RAM, - . -EPROM, , - RAM. -EPROM (invalid). , -EPROM .

-EPROM -.

CPU, - . , ( ), - . , .

, . - Compress (). RUN, ; - STOP.

- PLC Module Information (PLC ), Memory(). , , .

2 STEP 7

54

, , SFC 25 COMPRESS.

/

(initialvalue) (actual value) ( 3.4 - ). CPU, - , . - , , .

CPU , - . - View Data View ( ). CPU, .

-EPROM, -, , - CPU. , - . . S7-300 , -.

, UNLINKED (), ; . - SFC 20 BLKMOV.

2.7

55

2.7

CPU - () , , , -, . - , , , . CPU STOP , , , CPU.

. , , , CPU 1. 1 - , , , , , .

PLCSIM - CPU - .

2.7.1

- Diagnose Hardware ( ). - MPI SIMATIC-.

, - , View Online ( ). PLC DisplayAccessible Nodes (PLC ) CPU. PLC Diagnose Hardware (PLC ) ( ). - Hardware Configuration - ; SIMATIC- View () Options Customize ( ).

, -, ( , - ), (, ) - ( ).

2 STEP 7

56

2.7.2 STOP

CPU - STOP, - STOP - . CPU , STOP , . - , PG , S7- Diagnostic Buffer ( ) PLC Module Information (PLC ). ( - 1) STOP, , STOP because program-ming error OB not loaded (STOP, -). , STOP, ,, FC not loaded ( FC). , . , - Open Block ( ) - .

STOP , , , - Stacks (). - Stacks () B- ( ), - , . I-stack (I-) , -, CPU (, , , ) - . L- ( ) , B-.

2.7.3

VAT. -. , - , - .

: , .

VAT, . - 255 ( VAT 1 VAT 255) . 1024 255 ( 2.10).

2.7

57

VAT , Blocks () Insert S7 Block Variable Table ( S7 ), VAT S7 Program (S7-) PLC Moni-tor/Modify Variables (PLC / ).

, ( ), ( View DisplayFormat Display Format ).

, . , . , - . Table Save (- ) Blocks ().

2.10

, , - PLC Connect To (PLC ). VAT , PLC Disconnect (PLC ).

()

, Variable Trigger ( -), - . , CPU .

2 STEP 7

58

, -.

, - . Start of circle ( ), 1. - End of circle ( ), 1 .

Variable Monitor ( ). VAT - . - . , Display format ( ). ESC - .

Variable Update Monitor Values ( ) , - .

CPU, , - Variable Modify ( ). , , . // Variable Modify Values as comment ( -); . - , Display format ( -).

, -. ESC .

Variable Activate Modify Values ( ) , .

2.7.4 ( Force)

CPU - .

2.7

59

( ). - CPU .

: , - .

(VAT). VAT, - CPU. Variable Display Force Values ( ), , - .

CPU , . - - . VAT Table Save As ( ).

:

I ( )(S7-300 S7-400)

Q ( )(S7-300 S7-400)

PI( S7-400)

PQ(S7-300 S7-400)

( S7-400)

Variable Force ( ). CPU .

, :

- (, ) (-, ) - .

S7-400 (, ) - (, SFC )

2 STEP 7

60

. S7-300 - .

S7-300 : CPU - ; CPU - .

: - CPU! Variable Delete Force ( ).

, , CPU . - , .

/, CPU. ( , ), .

, , , (, ), . ( ), , (error substitute value), - , CPU - STOP.

, , (, ), . , - .

- . , -, , , , () , - .

I , - PI, ;

2.7

61

. , .

PQ, Q ( ). - Q ; ( ). - , - .

0 - OD ( STOP, HOLD RESTART -, ) - (: OD ). OD , - .

STOP Enable PQ ( PQ), - STOP ( - OD). Enable PQ ( PQ) - (safe) ( 0 ); - RUN.

2.7.5

STOP OD; OD , , , CPU - STOP. . , CPU. -: STOP -.

: , !

(PQ) - . - PLC Connect To (PLC ), , , - CPU, , PLC Operating Mode (PLC ) STOP.

OD Variable EnablePeripheral Outputs ( ); 0, - .

2 STEP 7

62

Variable Activate Modify Values ( ). .

Variable Enable Pe-ripheral Outputs ( ) - ESC. OD , - 0, .

- STOP, (), OD - RESTART RUN.

2.7.6 LAD/FBD

Program status ( ) . - (network).

, , CPU, . , , SIMATIC-. - .

(network), . Debug Monitor ( ). -. ( , ) - LAD/FBD Options Customize ( ). , Debug Monitor ( ).

, Debug Call Environment( ). , . , . , Nocondition ( ).

. Debug Modify Address ( - ).

. : . (debugmode) . , , , . (process mode) -

2.7

63

, , , ( ).

CPU, , - CPU Protection (). CPU, . . - Debug Operation ( ).

3 SIMATIC S7

3

3

3 SIMATIC S7 ............................................................................................................. 43.1 ........................................................................................................... 4

3.1.1 ..................................................................................... 43.1.2 .................................................................................................... 63.1.3 .................................................................. 8

3.2 ..................................................................................................................................... 103.2.1 .................................................................................................................. 103.2.2 ......................................................................................................... 123.2.3 ........................................................................................................... 143.2.4 ........................................................................................................ 17

3.3 .................................................................................. 213.3.1 ................................................................................................. 213.3.2 LAD................................................................................. 283.3.3 FBD ................................................................................. 31

3.4 .................................................................................... 353.4.1 ........................................................................................................... 353.4.2 .................................................................................................... 353.4.3 .................................................................................................................... 36

3.5 , ............................................................................ 383.5.1 ................................................................................ 383.5.2 ................................................................................................ 393.5.3 ..................................................................................................... 433.5.4 .................................................................................................. 443.5.5 ................................................................................................ 523.5.6 ................................................................................................ 573.5.7 ................................................................................. 57

3 SIMATIC S7

4

3 SIMATIC S7

CPU SI-MATIC S7-300/400, ( ), - () . - LAD FBD. .

- ; - , -. .

3.1

CPU (op-erating system) (user program).

, , - . , , . - CPU, . , , , .

, () .

3.1.1

, - CPU . , ( 3.1). , , - (priority classes), - ( mutual interruptibility), - .

(main program), CPU. , CPU

3.1

5

() () .

3.1

-

-

-

3 SIMATIC S7

6

(organizationblock OB). . CPU . -, .

CPU (startup routine). , - CPU - . , , S7-300 ( complete restart); S7-400 - , ( warmrestart).

1, . (, network) 1. 1( ) CPU , , , 1.

, , (interrupts) (errors).

( ), - CPU ( watchdog interrupts, time-of-day interrupts ).

, . - , , , - . . , , - .

- CPU; CPU - STEP 7.

3.1.2

3.1 SIMATIC S7 -. - CPU . ; CPU -; CPU.

3.1

7

3.1 SIMATIC S7

-

1 1

TOD- 10 17

(, ) 2 2 24

- 20 23

, 3 6 2 24

- 30 38

- (, 100 ) 7 15 2 24

- 40 47

I/O- (/) 16 23 2 24

- 60

- 25

- 70 72 73

- I/O- CPU

252825

2 262 282 26

80,8184,86,87 85

, (, time er-ror, SE-, , / , -/)

262)262)262)

262 26

24 26

90

29

1)

- 100,101, 102

27

- 121, 122

, - (, I/O)

,

1) . 2) : 28

90 ( ) 1, 1, .

100 (- ) 101 ( ); 27. , , 28. - .

CPU. (-

3 SIMATIC S7

8

) . ; CPU 85 (Program Processing Error - - ) STOP.

(L-). 18.1.5 .

3.1.3

CPU , -. CPU ( Hardware ()), - . .

CPU . - STEP 7 .

Startup ( ) ( , , -); Ready () ; - (- CPU ).

Cycle/Clock Memory (/ , )/ ; ; ; ; .

Retentive memory ( ) , ; .

Memory () ( ); L- .

Interrupts () , , ( ) .

Time-of-Day Interrupts ( ) , .

3.1

9

Cyclic Interrupts ( ) , .

Diagnostic/Clock (/ ) STOP; ; .

Protection () ; .

Multicomputing ( ) CPU.

Integrated I/O ( /) /.

CPU , - , .

3 SIMATIC S7

10

3.2

. STEP 7 . -. (Blocks). , , .

3.2.1

STL -:

(user blocks) .

(system blocks) .

(standard blocks) ( ) , (FM) - ().

- () . - -:

(Organization blocks - OB)

- . CPU , , - . - 1. , , .

3.2

11

(Function blocks - FB)

, - . (variable memory), . - , , (call) . , ( , ). - (instance data block), (call instance) (instance). ; (local instance).

(Functions - FC)

. . ( ) . - . . .

(Data blocks - DB)

. , - ( , ). :

1) (global data blocks),2) (instance data blocks).

, , - . , .

CPU. ; CPU. - . () .

3 SIMATIC S7

12

. - ( , SFC, , SFB) ( , SDB). - , - CPU .

SFC SFB, , . (usermemory); SFB - .

SDB , - . STEP 7 . , , , . , SDB (load memory). -.

( ). , - STEP 7 (, IEC- - S5/S7).

25 , - (Standard Library).

3.2.2

(code blocks) ( 3.2):

(block header), , , ;

() (declaration section), () ();

(program section), .

3.2

13

3.2

Declaration ()

, , , -

Block header ( )

Program ()

&

=&

Block type Address ( )Block header

Var_xxx

name: Data type := Initialization;name: Data type := Initialization;

END_VAR

BEGIN

Program

END_Block Type

Declaration

, , , -

Block header DATA_BLOCK Address ( )Block header

STRUCT

name: Data type := Initialization;name: Data type := Initialization;

END_STRUCT

BEGIN

name := Initialization;

END_DATA_BLOCK

3 SIMATIC S7

14

:

(block header) ;

() (declaration section) - , ;

(initialization section), .

. - (declaration view) - (data view) ( ).

3.2.3

. - File Prop-erties ( ) ( 3.3).

General Part 2 ( 2) :

Local Data ( ): (- );

7: ( );

Load memory requirement: ;

Work memory requirement: .

KNOW HOW Protection ( -) . , , . () (declaration table) . - - KNOW_HOW_PROTECT. , , , (- !).

, Siemens, Standard Block ( ).

DB is write-protected in the PLC (DB PLC ) - . , .

3.2

15

. . , .

3.3

, Unlinked () ; . , , , SFC 20 BLKMOV.

General Part 2 ( 2).

Name () ; , . .

Family () . , (program elements catalog).

3 SIMATIC S7

16

Author () .

. , .

Version () 0 15.

General Part 1 ( 1) - (time stamps): , . - , , . - (time stamp conflict).

1 2. . - multi-instance capability ( , - DB ), -, 2. multi-instance capability, -, . 1 - - ( STL).

Calls () , , .

. Attributes () , , , SIMATIC PCS7.

,

. SIMATIC-, Edit ObjectProperties ( ) General Part 2 2. .

(Properties) Blocks (). Blocks () Edit Object Properties ( ). Blocks () Size in work memory ( ) Size in load memory ( ).

3.2

17

, ( ) . Blocks (), ( ). - SIMATIC- , Ctrl.

, ( ), SIMATIC- CPU Memory (), PLC ModuleInformation (PLC ).

(Checksum)

(Program Editor) Blocks (). , . . , Blocks () Edit Object Properties ( ).

3.2.4

(block interface) - . (, - ), - . . ( 19 ).

- . : ( ), , - . - , .

(Time stamp conflict) , - - . , . . , , , ,

3 SIMATIC S7

18

, .

, , - , . -, ( ), . , - , :

, ;

;

( , , -);

( - );

UDT , UDT; , , UDT.

UDT-. Edit BlockCall Update ( ). , ; . .

, . , Check block consistency ( ). , .

Blocks () - Edit Check Block Consistency ( - ). , , 5 SP3 STEP 7. , ( ,

3.2

19

Check block consistency ( ) - ), Program Com-pile ( ).

- 1:Compile (1:). - .

- ( 3.4). -.

3.4

(reference tree) -: , .: DB 20/FB 20 1, FB 21 FB 22 FB 20.

3 SIMATIC S7

20

(dependency tree) , . , . : FB 32 DB20/FB 20, 1. DB 29, FB 20.

, , , - . - ( ) , - .

, - Edit Open Block ( ) - , , .

3.3

21

3.3

2.5 S7 - .

3.3.1

. SIMATIC-, File Open ( ). , - :

SIMATIC- Blocks(), Insert S7 Block ( S7 ) . (Properties) . General Part 1 ( 1) LAD FBD. .

File New ( ), ( -, , ). . , Create Block ( ), Options Customize ( ).

, , File Properties ( ).

, ( 3.5). :

() (variable decla-ration table). .

(program window). .

(program element catalog). STL .

3 SIMATIC S7

22

3.5 LAD

()

. - , , , - . . - ( 3.2).

3.2

Input parameters( ) in - FC FB

Output parameters( ) out - FC FB

In-out parameters(/ ) in_out - FC FB

Static local data( ) stat - - FB

Temporary local data( ) temp OB FC FB

3.3

23

(variable types) . - , - .

, , () ( ). (, - ). 19 .

( ), . , 8 16 , BYTE () - . () BOOL () BYTE (), - . ( ).

, (network), () , . - View Comment( ), View Symbolic Representation ( -) View Symbol Information ( ). - , View Zoom In( ), View Zoom Out ( ) View Zoom Factor ( ).

()

LAD/FBD- , - ( ). - , 1. 999 . (network title) (network comment). , Edit Go To ( - ). .

, Display with comments ( -), . - . . - (current path) LAD (logic operation) FBD.

3 SIMATIC S7

24

Insert Network ( ). .

, . , () - Block End ( ), (-, , ).

(Network templates)

, - , , , , .

, , , , S7- Source Files ( ).

, , () . , , %00 %99. .

, , , . , () ( -).

, . ; Ctrl - .

Create Network Template ( ). - . - ( SourceFiles ( ) ).

, (Program Elements Catalog) - ( -). , - . .

3.3

25

(Absolute addressing)

(ID) / . , . , -.

. . Type check for address ( ) LAD/FBD, Options Customize ( ).

(Symbol addressing)

- , - . - . Options Symbol Table ( ), .

View Display Symbolic Representation ( -). View Display Symbol Information ( ) ( ) .

, , Insert Symbol ( -), Insert Symbol ( ) , . -, View Display Symbol Selection ( ).

, LAD/FBD. - , , . - , .

, LAD/FBD, STL.

3 SIMATIC S7

26

(programoutput), , , , ( ), Edit Call Update ( -). - UDT.

Edit Call Change to Multi-Instance Call ( - ) Edit Call Change to FB/DBCall ( FB/DB) - -. - .

, - View Catalog ( ) Insert Program Elements (- ).

, - ( ).

LAD FBD, , , Blocks (), ( 3.6).

3.3

27

3.6 LAD FBD

3 SIMATIC S7

28

3.3.2 LAD

LAD, . - . (current path) (rung) (power rail). , ,

(, F2 (normally open - NO) -),

,

( Insert Program Elements orView Catalog ( )).

(coil) (box). 3.3 -.

(-). - , (label).

(Contacts)

, (inputs), -. - .

(normally open contact), - 1 ( ); (normally closed contact), 0 ( -). , ( ) - ( NOT ()).

(Coils)

, (outputs). , , .

3.3

29

, , (Setcoil) (Reset coil), . - , -, .

(Boxes)

LAD . STEP 7 - :

EN/ENO, , , - , ;

EN/ENO, , MOVE (), , .

( FC, FB, SFC SFB), LAD EN/ENO. , LAD (Empty box), .

3.7 LAD

(Contacts)

NO

NC

(, -)

NOT

(Coils)

- (,, , -)

FP

JMP

(Boxes)

- EN/ENO (-, )

- (, - )

ADD_IEN ENOIN1 OUTIN2

- EN/ENO (-, )

S_PULSES QTV BI BCDR

DB m

FB nEN ENOin1 out1in2 out2in3 out3

3 SIMATIC S7

30

3.8 LAD

LAD . , ( ) . LAD. , ( ), .

: LAD , ( , ). , LAD, .

-

;

- , - ( );

- ENO EN ;

() ENO.

SRS Q

R

Ready_rem

Network 2: Parts ready to removeWhen the parts have reached the end of the belt, they are ready for removal.

Load

/Mfault1

N

EM_Loa_N

Remove

P

EM_Rem_P

Basic_st

3.3

31

- ENO: ENO () , , , - ( 15.4 ).

3.3.3 FBD

, - (- , ) . -

( , F2 AND()),

(Insert FBD Element AND Box FBD AND)

Insert ProgramElements ( ) View Catalog ( -).

- (assign box). 3.3 .

(). : - , (labels).

() , , , - AND (),OR () Exclusive OR ( ). .

, 1 . - .

3 SIMATIC S7

32

3.9 FBD

, , . .

, (), , , .

. STEP 7 -:

EN/ENO ( , , )

EN/ENO ( MOVE, , - ).

-

, ,, ,

()

EN/ENO (, - )

(, - )

ADD_IENIN1 OUTIN2 ENO

EN/ENO (, - )

S_PULSES BITV BCDR Q

DB m

FB nEN out1in1 out2in2 ENO

AND, OR, OR

&

>=1

XOR

=

CU

JMP, ..

3.3

33

(FC, FB, SFC SFB), FBD EN/ENO.

, FBD (Empty box), .

3.10 FBD

FBD . , .

. .

- ( ). , - . , -. , FBD, - .

,

;

- , - ( );

ENO EN ;

Network 2: Parts ready to removeWhen the parts have reached the end of the belt, they are ready for removal.

SRS

R Q

Ready_rem

Load

/Mfault1

EM_Loa_N

Remove

EM_Rem_P

Basic_st

N

P >=1

3 SIMATIC S7

34

AND OR ENO.

, , - ( 15.4 ). - ENO: AND - ENO , , - OR ENO , ( ) .

3.4

35

3.4

2.5 S7 - . (data blocks) - LAD FBD.

3.4.1

. SIMATIC-, File Open ( ). , - :

SIMATIC-: Blocks(), Insert S7 Block Data Block ( S7 ) . (Properties) . General Part 1 ( 1) . DB. - .

: File New ( ), . Object Name ( ) . .

, . - , File Properties( ).

3.4.2

, New DataBlock ( ); , .

:

Data block ( ) ; () ;

Data block with assigned user-defined data type ( , UDT) ; UDT (User defineddata type);

3 SIMATIC S7

36

Data block with assigned function block ( - ) ; , .

3.4.3

3.11 . :

(declaration view), - , ;

(data view), .

3.11 ( )

3.4

37

. - , .

, , - - .

UDT - ( ) UDT.

: - .

(Declaration view), View Declaration View ( ), , , , (UDT) .

(Data view), View DataView ( ), - . - . , CPU. - .

Documents

Автоматизация с помощью Программ STEP7 LADsamsebeplc.ru/Doc/Siemens/STEP7/Berger_STEP7_LADFBD_r.pdf · Введение Программируемый