【求助】有谁能帮忙看看这个S7-300模拟量编程程序么？

SET
SAVE
= L 0.1
L #IN
ITD
DTR
L 2.764800e+004
/R
L #SCALE
*R
T #U
L #U
L #U_WRN
>=R
L #IN
L W#16#0
= L 0.2
>=I
TAK
JC I007
NEGI
I007: L 32000
<I
A L 0.2
JCN A7d0
SET
= #WARNNING
= #WRN
JU A7d1
A7d0: CLR
= #WARNNING
= #WRN
A7d1: L #U
L #U_ALM
>=R
L #IN
L W#16#0
= L 0.2
>=I
TAK
JC I008
NEGI
I008: L 32000
<I
A L 0.2
JCN A7d2
SET
= #ALARM
= #ALM
JU A7d3
A7d2: CLR
= #ALARM
= #ALM
A7d3: CLR
A L 0.1
SAVE
BE