PLC控制中央空调程序


    |
   |   |                                 |
   |   +------------------[DZCP D128    D130    C221    M216 ]+
   |   |                        RYF     RF<75 |
   |   |                        TIME       |
   |   |                                 |
   |   |                                 |
   |   |                                 |
   |   +------------------[DZCP D132    D134    C221    M243 ]+
   |   |                        RYF     RF<10 |
   |   |                        TIME    0   |
   |   |                                 |
   |   |                                 |
   |   |                        K         |
   |   +------------------------------[DCMP C221    0      M240 ]+
   |                     RYF           RF>0 |
   |                     TIME             |
   |                                    |
   |                                    |

蒸汽阀控制
   |X0                                M50  |
 737 +-I I--------------------------------------------------------------( )--+
   |ZQFK                               QFK F |
   |F                                    |
   |                                    |
   |                                    |
   |X15                                M51  |
 739 +-I I--------------------------------------------------------------( )--+
   |ZQFG                               QFG F |
   |F                                    |
   |                                    |
   |                                    |
   |X7                                M52  |
 741 +-I I--------------------------------------------------------------( )--+
   |RYFK                               RFK F |
   |F                                    |
   |                                    |
   |                                    |
   |X10                                M53  |
 743 +-I I--------------------------------------------------------------( )--+
   |RYFG                               RFG F |
   |F                                    |
   |                                    |
   |                                    |
   |M51                                M8220 |
 745 +-I I--------------------------------------------------------------( )--+
   |QFG F                                  |
   |                                    |
   |                                    |
   |                                    |
   |M50  M8012 M30                       K6000000  |
 748 +-I I-+-I/I---I I--------------------------------------------(C220   )+
   |QFK F|   READY                      ZQF     |
   |   |                           TIME    |
   |   |                                 |
   |   |                                 |
   |M51 |                                 |
   +-I I-+                                 +
   |QFG F                                  |
   |                                    |
   |                                    |
   |                                    |
   |M101 M230 M50                          Y5  |
 757 +-I I-+-I I-+-I/I--------------------------------------------------( )--+
   |Q1G |QF>0 |QFK F                         ZQFG |
   |   |   |                              |
   |   |   |                              |
   |   |   |                              |
   |M104 |   |                              |
   +-I I-+   |                              +
   |Q1G1 |   |                              |
   |   |   |                              |
   |   |   |                              |
   |   |   |                              |
   |M106 |   |                              |
   +-I I-+   |                              +
   |Q1G2 |   |                              |
   |   |   |                              |
   |   |   |                              |
   |   |   |                              |
   |M107 |   |                              |
   +-I I-+   |                              +
   |QCXG |   |                              |
   |   |   |                              |
   |   |   |                              |
   |   |   |                              |
   |M108 |   |                              |
   +-I I-+   |                              +
   |QG  |   |                              |
   |   |   |                              |
   |   |   |                              |
   |   |   |                              |
   |M100 |   |                              |
   +-I I-+   |                              +
   |QJZK    |                              |
   |      |                              |
   |      |                              |
   |      |                              |
   |M30  M109 |                              |
   +-I/I---I I-+                              +
   |READY QFINI                               |
   |                                    |
   |                                    |
   |                                    |
   |M102 M51  M100 M107 M108 M235 M30              Y3  |
 769 +-I I-+-I/I---I/I---I/I---I/I---I/I---I I--------------------------( )--+
   |Q2K |QFG F QJZK QCXG QG  QF>10 READY             ZQFK |
   |   |            0               

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