PLC变频调速控制设计

开环的程序设计以及源程序

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指令表 LD SM0.1 HSC 3 LD SM0.0 MOVR 30.0, VD2 MOVR 500.0, VD4 MOVR VD2, VD0 *R VD4, VD0 MOVR 50.0, VD100 MOVR VD100, VD30 *R 500.0, VD30 MOVR VD100, VD10 *R 300.0, VD10 MOVR VD100, VD106 /R VD10, VD106 TRUNC VD0, VD0 LD I0.4 A M2.0 TON T32, +240 LD I0.3 A M2.1 TON T33, +480 LD M2.0 AN I0.3 A I0.4 AN M2.1 LD I0.3 CTU C5, 1 NLD M2.1 AN I0.4 A I0.3 AN M2.0 LD I0.4 CTD C6, 2 LD I0.2 MOVD VD0, VD20 -D HC3, VD20 DTR VD20, VD20 AR<= VD20, VD10 = M0.5 LD M0.5 AN M0.6 MOVR VD106, VD104 *R VD20, VD104 +R 0.3, VD104 END 17