报什么错误？检查你的变量以及符号。
如果要写很多变量的话，这样做就很慢了。你可以在vbs用组读写
dim group1，group2
set group1=hmiruntime.tags.createtagset
set group2=hmiruntime.tags.createtagset
group1.add "bianliang1"
group1.add "bianliang2"
group1.add "bianliang3"
group1.add "bianliang4"
....................................
group1.add "bianliangn"
group1.read
group2.add"tag1"
group2.add"tag2"
group2.add"tag3"
............................
group2.add"tagn"
group2("tag1").value=group1("bianliang1").value
group2("tag2").value=group1("bianliang2").value
group2("tag3").value=group1("bianliang3").value
.............................................................
group2("tagn").value=group1("bianliangn").value
group2.write
这样一次读写一批变量要比一个个的读写执行效率高。变量越多，效果越明显。