刚学s7-400PLC请论坛高手分析下面程序:
SET
SAVE
= L 6.1
L "libTOOLS_OBInfos".T_OB1 DB2.DB4
T #tc
L W#16#0
T #disable
A "GlobalStop" M1.5
JCN A7d0
OPN DI 1
L DIW 52
OW
T #disable
A7d0: OPN "Prj" DB500
CLR
A DBX 818.4
JCN A7d1
L #disable
OPN DI 1
L DIW 54
OW
T #disable
A7d1: OPN "Prj" DB500
CLR
A DBX 819.5
NOT
JCN A7d2
L #disable
OPN DI 1
L DIW 56
OW
T #disable
A7d2: OPN "Prj" DB500
CLR
A DBX 656.0
JCN A7d3
L #disable
OPN DI 1
L DIW 58
OW
T #disable
A7d3: L #disable
T "WinCua".MotKnf.Dsa DB2017.DBW266
L DBD 228
L 2.000000e+001
-R
L DBD 218
TAK
>R
O DBX 270.0
= DBX 270.0
L DBD 228
L 2.000000e+001
-R
L DBD 218
TAK
<R
L DBW 216
OPN DI 6
L DIW 56
= L 6.2
==I
A L 6.2
O DBX 270.1
= DBX 270.1
CLR
= DBX 296.0
OPN DI 17
L DIW 8
T LW 8
L W#16#7E1
T LW 10
L DW#16#84000830
T LD 12
UC "libDEVICES_Motor"
P#L 0.0
P#L 8.0
P#L 10.0
A DBX 296.5
= "DO_CuaKnfMotCnt" Q5.2
A DBX 270.4
OPN DI 500
= DIX 696.0
A L 6.1
SAVE
BE