【導(dǎo)讀】行，使其能夠完成逆煤流啟動、順煤流停止、緊急停止和故障報警等功能。通過主控制臺上的按鈕開關(guān)切換手動或者自動模式。文章通過對實(shí)際的電廠輸煤。輸煤控制系統(tǒng)的穩(wěn)定運(yùn)行。根據(jù)設(shè)計要求設(shè)計出了能夠完成相應(yīng)功能的輸煤系

　　

【正文】 LDN LD = A LPS R , 1 AN = R , 1 AN AN R , 1 TON T44, 60 TON T38, 15 R , 1 AN T44 LRD LD = A T38 = LD = AN AN LPP R , 1 AN AN R , 1 = = R , 1 LD R , 1 R , 1 AN R , 1 LD AN R , 1 LPS = R , 1 R , 1 LD LD AN AN LPS TON T41, 15 AN = LPP = AN A T41 AN TON T39, 15 = AN LRD LD = A T39 LPS 44 （ 2）上煤過程的程序指令： LD R , 1 AN = R , 1 TON T41, 15 = = LRD LD R , 1 A T41 = R , 1 = = LPP LPP LD R , 1 AN = LD = LD LPS R , 1 A = R , 1 AN AN R , 1 LPS TON T39, 15 R , 1 TON T37, 60 LRD R , 1 AN T37 A T39 LD = = = LPP LPP AN A T37 AN = = = R , 1 LD R , 1 R , 1 LPS R , 1 R , 1 = R , 1 R , 1 AN R , 1 R , 1 TON T38, 15 R , 1 LD LRD LD LPS AN LPS = A T38 = AN = AN TON T42, 15 LRD TON T40, 15 LRD A LRD A T42 A T38 A T40 = = = LPP LPP LPP AN AN AN = LPS = R , 1 = R , 1 R , 1 AN R , 1 R , 1 R , 1 R , 1 R , 1 R , 1 R , 1 R , 1 R , 1 R , 1 LD R , 1 LD LPS LRD LPS = A = AN 45 TON T43, 15 A T45 = LRD = LD A T43 LD LPS = LPS R , 1 LPP R , 1 AN AN AN TON T51, 15 = TON T46, 15 LPP R , 1 LPP A T51 R , 1 A T46 = R , 1 = LD R , 1 LD LPS R , 1 LPS R , 1 LD R , 1 AN LPS AN TON T52, 15 = TON T47, 15 LPP AN LPP A T52 TON T44, 15 A T47 = LRD = LD A T44 LD R , 1 = LPS LPP R , 1 AN AN = TON T48, 15 R , 1 LPP R , 1 A T48 R , 1 = R , 1 LD R , 1 R , 1 LD LD = A AN LPS = R , 1 R , 1 AN R , 1 TON T49, 15 R , 1 LPP R , 1 A T49 R , 1 = LD LD AN LPS LPS R , 1 R , 1 AN AN TON T50, 15 TON T45, 15 LPP LPP A T50 46