Εισαγωγικό εγχειρίδιο PLC

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Siemens . , 2005, ; : ! . . . . (.. ) . , , , . , , . Siemens AG, . 15.000 15 . (PLC) . , . Siemens, . , Internet, : www.siemens.gr. !

: 1.06.2005

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, . . . , , , . , . , - - ( ) . . . , , , . Siemens, : PLC, 1958. Simatic PLC , . 50 , 1984. hardware . 1975 SIMATIC S3 1978/1979 SIMATIC S5 1995 SIMATIC S7 . . PLC: , . PLC , , , , , , . , Siemens . , .

: 1.06.2005

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Simatic S7 . : S7-200 ,

S7-300

, S7-400 .

PLCs CPU (Central Processing Unit - K ) - . CPU -

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, - ( ) . Simatic C7 PLC .

. PLC , . Simatic WinAC , Software (Software PLC) (Slot PLC).

on-line . - Simatic DP LC ( !).

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LC - - Profibus.

T ' CU. PROFINET: , Industrial Ethernet .

Profinet , Industrial Ethernet, , , . Profinet standard TCP/IP. , .. Profibus , Simatic (Human Machine Interface) - TFT (Touch Screen).

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Software , , . To Simatic Simatic . Simatic Interface. . (Profibus Industrial Ethernet), , Simatic , .

T STEP 7 - , .

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Siemens : LOGO! ,

Sitop & LOGO! Power 5, 12, 15, 24 V DC

, , , , -

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, , (Bero) ( , , , ..).

(Machine Vision)

.

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(RFID).

.

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1. PLC (Programmable Logic Controllers) PLC (Programmable Logic Controllers) . : , , (, , , ), , , .

PLC , . PLC . 2. PLC PLC , CPU .

(CPU)

&

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3. PLC ( ) . PLC (motor starter). (sensor) .

4. PLC (, ...) . , . . .

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, , , - . PLC , . , , , PLC. , PLC. 5. PLC , ( , ...) ,

6. Simatic PLC Siemens Siemens , , PLC . SIMATIC S7 S7-200, S7-300 S7-400. S7-200 PLC (micro PLC) -

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. PLC S7-200 .

PLC S7-200 (stand-alone) , .. , , .. S7-200 , - PLC S7-200 ( ) ( , ..).

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7. PLC Siemens SIMATIC S7-300 S7-400 PLC Siemens S7-300 S7-400 , -. : CPU, , , , .. , ( ) .

(S7-200 / S7-300 / S7-400) . . , Siemens .

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8. & (Decimal & Binary) PLC - - . PLC : ON OFF ( 1 0). ( Binary Digits : Bits). Bits ( ON OFF) . . PLC - - : ( , ) . 3 : (digits), (base) (weight). 10 : 10 : 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 : 10 : 1, 10, 100, 1000, ( 10) PLC : 2 : 0, 1 : 2 : 1, 2, 4, 8, 16, 32 ( 2) 9. 0 1: PLC PLC (0-1 ON-OFF): .. , , ... : , , , () ...

PLC 1 24 V DC

PLC 1 24 V DC

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PLC, CPU (microchip) ON OFF 1 0. ON, 1 - , : OFF 0 ( ) , . microchip ( ...) (transistor ...) . () ON OFF, 1 0. 10. ( PLC) . PLC.

PLC 1

. ( ) () PLC. 11. (Actuators) PLC ( ) .

PLC 1

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( ) PLC ( ) .. . , .. PLC, , (.. ) . 12. PLC PLC (, ) : O OFF 1 0 ( ) .

PLC

PLC ( /sensors) , , , , (proximity switch - , ...), .

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13. PLC PLC . PLC (, ) . . (.. 4 20 mA) (.. 0-10 V) H - - PLC ( )* ( - .. 4 20 mA .. 0-10 V) () , .

o PLC

* , PLC CPU - FF 1 0. ( ) (Analog to Digital Converters / A/D Converters) ( 0 1) , CPU PLC .

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14. ON OFF. . ( ) ... PLC FF.

PLC

15. . 0 10 V .. , . .

PLC

/

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16. CPU ( Central Processing Unit CPU) PLC , (micropro- cessor) PLC.

PLC . CPU , , , . 17. PLC : Ladder Statement List (STL) 0.0 0.1 Q0.0. 0.0 0.1 , Q0.0. 0.4 0.5 Q0.1.

Ladder, . STL, : 1.06.2005 20 45

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Assembly. LD A = LD = I0.0 I0.1 Q0.0 I0.4 I0.5 Q0.1

18. Function Block Diagram (FBD) PLC Function Block Diagram (FBD). .

.

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

PLC

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20. (Software) PLC .

21. Kilo ( ) 1000 . (.. PLC) 1 1024 . PLC 2=1024. 1 , 1024 bits, 1024 bytes 1024 words.

22. RAM/ROM/EPROM/EEPROM. Firmware RAM (Random Access Memory) , . . , RAM . .

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ROM (Read Only Memory) . . ROM . EPROM (Erasable Programmable Read Only Memory) ( ) .

EPROM (Ultraviolet UV) . , EEPROM, . Firmware EPROM PLC . Firmware PLC, . 23. micro PLC S7-200 micro PLC S7-200 Simatic. CPU . , , PLC. , , , , , .. .

/

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24. : , PLC . S7200 EEPROM ( ) PLC.

(Real Time Clock) CPU 221 222 CPU 224 226. , .

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25. Simatic S7-200 PLC. -, (.. ).

(ribbon cable) .

26. LED 3 LED CPU. LED CPU RUN. CPU STOP. ( !!!), CPU.

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PLC (ON OFF) . LED , , ON. OFF. 27. S7-200 : .

28. S7-200 24V DC 120/230V AC. CPU 222 DC/DC/DC 24V DC . PLC.

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29. (, ) , PLC ( ) .

30. (, ...) , PLC ( ) . . LED .

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31. CPU 224 226 . , CPU .

32. TD200 S7-200 . D200.

TD200 ( S7-200) ( , , , ...). PLC ( 3m ).

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33. (Freeport Mode) PLC F. Mode. PLC (bar code readers).

34. Freeport Mode, S7-200 ( ) .

35. ( -r