(完整版)基于PLC的中央空调自动控制系统设计毕业论文

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A FJ_RFB:I0.1 LD dongxia_SW:V9.3 LDN auto:V9.0 A hoter1_stop:V10.3 LD auto:V9.0 LD auto:V9.0

LD Hoter_Stop1:V12.1

AR> Hoter1_Runtime:VD178, Hoter2_Runtime:VD182 AR> Hoter1_Runtime:VD178, Hoter3_Runtime:VD186 LD Hoter_Stop2:V12.3

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

LD Hoter_Stop3:V12.5 O Group_stop_flag:V9.5 OLD ALD OLD ALD

LDN HOTER_OFB:I0.6

ON FJ_RFB:I0.1 ON dongxia_SW:V9.3 模拟量处理（子程序1） LD SM0.0

CALL Scale_I_to_R:SBR2, XF_T:AIW12, 32000, 0, 80.0, -20.0, XF_T_Real:VD20 CALL Scale_I_to_R:SBR2, HF_T:AIW0, 32000, 0, 80.0, -20.0, HF_T_Real:VD24 CALL

Scale_I_to_R:SBR2,

FJ_Speed:AIW4,

32000,

50.0,

0.0,

FJ_Speed_Real:VD28

CALL Scale_I_to_R:SBR2, HF_H:AIW2, 32000, 0, 100.0, 0.0, HF_H_Real:VD32 CALL

Scale_I_to_R:SBR2,

SF_Speed:AIW6,

32000,

10.0,

0.0,

SF_Speed_Real:VD36

CALL Scale_I_to_R:SBR2, Room_DP1:AIW8, 32000, 0, 100.0, 0.0, Room_DP1_Real:VD40

CALL Scale_I_to_R:SBR2, Room_DP2:AIW10, 32000, 0, 100.0, 0.0, Room_DP2_Real:VD44

CALL Scale_I_to_R:SBR2, SF_T:AIW14, 32000, 0, 80.0, -20.0, SF_T_Real:VD48 温度控制（子程序2） LD SM0.0 LPS

MOVR Tempture_SP:VD60, VD116 -R 1.0, VD116

MOVR Tempture_SP:VD60, VD120 -R 2.0, VD120

MOVR Tempture_SP:VD60, VD124

-R 3.0, VD124

MOVR Tempture_SP:VD60, VD128 +R 1.0, VD128

MOVR Tempture_SP:VD60, VD132 +R 2.0, VD132

MOVR Tempture_SP:VD60, VD136 +R 3.0, VD136

AR> HF_T_Real:VD24, VD120 AR<= HF_T_Real:VD24, VD116 TON T124, 40 LRD A T124

= Hoter_Start1:V12.0 LRD

AR> HF_T_Real:VD24, VD124 AR<= HF_T_Real:VD24, VD120 AR<= HF_T_Real:VD24, VD116 TON T124, 40 LRD A T124

= Hoter_Start1:V12.0 LRD

AR> HF_T_Real:VD24, VD124 AR<= HF_T_Real:VD24, VD120

TON T125, 40 LRD A T125

= Hoter_Start2:V12.2 LRD

AR< HF_T_Real:VD24, VD124 TON T126, 40 LRD A T126

= Hoter_Start3:V12.4 LRD

AR> HF_T_Real:VD24, VD128 AR<= HF_T_Real:VD24, VD132 TON T127, 40 LRD A T127

= Hoter_Stop1:V12.1 LRD

AR> HF_T_Real:VD24, VD132 AR<= HF_T_Real:VD24, VD136 TON T128, 40 LRD A T128

= Hoter_Stop2:V12.3

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