LD             M8002                                           LD             M8002
SET          S0                                                   SET          S0
ZRST       S20   S30                                       ZRST       S20   S30
STL          S0                                                    STL          S0
LD            X0                                                     LD            X0  
SET         S20                                                   SET         S20
LD            X1                                                     LD            X1
SET         S30                                                   SET         S30
STL         S20                                                    STL         S20
OUT        Y0                                                      OUT        Y0
STL         S30                                                    STL         S30
OUT        Y1                                                       OUT        Y1
STL         S20                                                    STL         S20
STL         S30                                                    LD            X6
LD           X6                                                      OUT        S0          
OUT       S0                                                       STL        S30
                                                                           LD            X6
                                                                           OUT         S0                      各位师傅怎么前面的程序不行，当X6接通时不执行S0跳转，后面的可以，
                                                            难道用了选择性分支就不能用并行汇合吗，大家帮我看看了    

选择性分支，当某个分支条件满足时一直往下运行。选择性分支不能用并行汇合。

LD X6  
SET S0 就可以了

可以........

学学看看     

不可以  我也 不知道为什么
我用梯行图编程的时候出现这样的状况是转换不成指令表的

LD        X6
SET     S0
不行，因为分离和跳转要用OUT

选择性分支不能用并行汇合。