请问高手：以下2个有什么区别：
1）LDB= MB5, 2
LPS
AW= VW2116, 1
= pump:Q0.0
= Fi_Na:Q0.1
TON T38, 600
MOVB MB5, MB6
LRD
MOVW 2, VW2119
LRD
A up_lim:I0.0
S M0.3, 1
S M0.0, 1
R M0.1, 1
R T38, 1
R pump:Q0.0, 2
MOVW VW2277, VW2279
MOVB 3, MB5
LPP
LPS
AW= VW2116, 0
MOVB 10, MB5
LPP
JMP 20

2）LDB= MB5, 2
LPS
AW= VW2116, 1
= pump:Q0.0
= Fi_Na:Q0.1
TON T38, 600
MOVB MB5, MB6
LRD
MOVW 2, VW2119
LRD
A up_lim:I0.0
MOVB 3, MB5
MOVW VW2277, VW2279
S M0.3, 1
S M0.0, 1
R M0.1, 1
R T38, 1
R pump:Q0.0, 2
LPP
LPS
AW= VW2116, 0
MOVB 10, MB5
LPP
JMP 20
我仅仅变了一下顺序，得到的结果竟然不同