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ABSTRACT

In a number of landscape architecture, the design of large public buildings and tourist buildings, designers often fountain in the form of an art integration in the building, giving to the beauty of nature. Along with regular music player nozzle spray and lights a regular light off (the law, including the size of the music tunes and music sound), to achieve the control effect of light (day light does not shine, night light a regular light off) .

This system is a small musical fountain control system, which PLC as the control core, inverter control column height to audio capture-based PLC program control while the bright lights off and color changes. The system selected company SIEMENS S7-200 PLC as the control core, the choice MicroMaster 440 (referred MM440) inverter control pump height and reach fountains transform three-dimensional effect varies with the music.

The system includes PLC Selection (CPU226), PLC expansion module (EM222), I / O address allocation, input-output interface connections and draw ladder, ladder drawing is the key, while highlighting MM440 inverter the inverter principle, parameter settings and the motor and inverter and PLC interface connection.

System design is complete, it can reach the center, the inner and outer rings of nozzles spray three times, the inverter control inner nozzle change column height, PLC control start and stop the remaining nozzles, while at night there are three light changes, real-time display of music dynamic beauty.

KEY WORDS: musical fountain,control system, PLC, LAD£¬Transducer

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1.1.1 ÒôÀÖÅçȪµÄ·¢Õ¹Àú³Ì ............................................................................ 1 1.1.2 ÒôÀÖÅçȪµÄÏÖ×´ .................................................................................... 2 1.2 ¿ÎÌâÑо¿ÄÚÈÝ .................................................................................................. 2 µÚ2Õ PLC»ù´¡ÖªÊ¶ ................................................................................................. 4

2.1 PLCµÄ²úÉúºÍ·¢Õ¹ .......................................................................................... 4 2.2 PLCµÄÌØµãºÍ¹¦ÄÜ .......................................................................................... 4 2.3 PLCµÄ»ù±¾½á¹¹ºÍ¹¤×÷Ô­Àí .......................................................................... 5 µÚ3Õ ±äƵÆ÷»ù´¡ÖªÊ¶ .............................................................................................. 7

3.1 ±äƵÆ÷¸ÅÊö ...................................................................................................... 7 3.2 ±äƵÆ÷µÄ·ÖÀà .................................................................................................. 7 3.3 ±äƵÆ÷µÄ¹¤×÷Ô­Àí¼°¿ØÖÆ·½Ê½ ...................................................................... 7

3.3.1 ±äƵÆ÷µÄ¹¤×÷Ô­Àí ................................................................................ 7 3.3.2 ±äƵÆ÷µÄ¿ØÖÆ·½Ê½ ................................................................................ 8 3.4 MM440±äƵÆ÷ ................................................................................................ 9 µÚ4Õ ϵͳ·½°¸·ÖÎö¼°¿ÉÐÐÐÔ·ÖÎö ........................................................................ 11

4.2 ·½°¸ÂÛÖ¤ ........................................................................................................ 12 4.3 ¶ÔÑ¡¶¨·½°¸µÄ·ÖÎö ........................................................................................ 13 µÚ5Õ ϵͳ×ÜÌåÉè¼Æ ................................................................................................ 14

5.1 ÒôÀÖÅçȪ×é³É ................................................................................................ 14

5.1.1 ÒôÀÖÅçȪˮ³ØÉè¼Æ .............................................................................. 14 5.2 ¿ØÖÆÏµÍ³×é³É ................................................................................................ 17 5.3 ±äƵÆ÷Éè¼Æ .................................................................................................... 18

5.3.1 ±äƵÆ÷Ñ¡ÐÍ .......................................................................................... 18 5.3.2 ±äƵÆ÷¿ØÖƽÓÏßͼ .............................................................................. 18 5.3.3 ±äƵÆ÷²ÎÊýÉèÖà .................................................................................. 19 5.4 PLCÉè¼Æ ........................................................................................................ 19

5.4.1 PLCÑ¡ÐÍ .............................................................................................. 19 5.4.2 ¿ØÖÆÏµÍ³µÄI/OµØÖ··ÖÅä .................................................................. 20 5.4.3 PLC¿ØÖƽÓÏßͼ .................................................................................. 22

µÚ6Õ PLC¿ØÖÆÏµÍ³Éè¼Æ ....................................................................................... 24

6.1 PLC¿ØÖÆÁ÷³Ì ................................................................................................ 24 6.2 ±äƵÆ÷Ñ¡ÔñÁ÷³Ì ............................................................................................ 24 µÚ7Õ ½á ÂÛ .............................................................................................................. 25 Ö л ............................................................................................................................ 27 ²Î¿¼ÎÄÏ× ...................................................................................................................... 28 ¸½ ¼ ............................................................................................................................ 29

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