发布时间 : 星期四 文章(完整版)基于PLC的中央空调自动控制系统设计毕业论文更新完毕开始阅读
= V17.3 LPP
A PF_OFB:I1.1 = V17.4 控制（子程序0） LD auto:V9.0 A G_start:V9.1
AN Group_stop_flag:V9.5 EU
LD auto:V9.0 LD G_stop:V9.2 O Run_status:V9.6 ALD EU NOT LPS
A Group_start_flag:V9.4 = Group_start_flag:V9.4 LPP ALD
O Group_start_flag:V9.4 = Group_start_flag:V9.4 LD Group_start_flag:V9.4 LPS
A XF_OPEN:Q0.5 TON T101, 50 LPP
A FJ_RFB:I0.1 LPS
TON T102, 250 A T102 TON T103, 50 LPP A T103 TON T104, 50 LD auto:V9.0 A G_stop:V9.2
AN Group_start_flag:V9.4 EU
LD auto:V9.0 LD G_start:V9.1 ON XF_OPEN:Q0.5 ALD EU NOT LPS
A Group_stop_flag:V9.5 = Group_stop_flag:V9.5
LPP ALD
O Group_stop_flag:V9.5 = Group_stop_flag:V9.5 LD Group_stop_flag:V9.5 TON T111, 1200 AN FJ_RFB:I0.1 TON T112, 50 LDN auto:V9.0 A XF_Open:V10.0 LD auto:V9.0
A Group_start_flag:V9.4 OLD EU
LDN auto:V9.0 A XF_Close:V10.1 LD auto:V9.0 A T112 OLD EU NOT LPS
A XF_OPEN:Q0.5 = XF_OPEN:Q0.5
LPP ALD
O XF_OPEN:Q0.5 = XF_OPEN:Q0.5 LD dongxia_SW:V9.3 LDN auto:V9.0 A hoter1_start:V10.2 LD auto:V9.0 A T102
LD Hoter_Start1:V12.0
AR< Hoter1_Runtime:VD178, Hoter2_Runtime:VD182 AR< Hoter1_Runtime:VD178, Hoter3_Runtime:VD186 LD Hoter_Start2:V12.2
LDR> Hoter1_Runtime:VD178, Hoter3_Runtime:VD186 AR< Hoter1_Runtime:VD178, Hoter2_Runtime:VD182 LDR> Hoter1_Runtime:VD178, Hoter2_Runtime:VD182 AR< Hoter1_Runtime:VD178, Hoter3_Runtime:VD186 OLD ALD OLD
O Hoter_Start3:V12.4 ALD OLD ALD