帮忙看看为什么这个顺序结构的程序总有错啊?

///编译没错,可运行有错
LD     SM0.1
S      S0.0, 1

NETWORK 2
LSCR   S0.0

NETWORK 3
LD     SM0.0
TON    T37, +200

NETWORK 4
LD     SM0.0
=      Q0.0

NETWORK 5
LD     I0.1
A      T37
SCRT   S0.1

NETWORK 6
SCRE

NETWORK 7
LSCR   S0.1

NETWORK 8
LD     SM0.0
=      Q0.1

NETWORK 9
LD     I0.2
SCRT   S0.0

NETWORK 10
SCRE

NETWORK 11
MEND

没有运行结果,一运行就提示出错信息.