回复:最近又遇到上传上来的程序,编译有问题

qzcq

  • 帖子

    793
  • 精华

    4
  • 被关注

    29

论坛等级:侠圣

注册时间:2005-11-03

白金 白金 如何晋级?

发布于 2012-08-24 14:42:28

4楼

更新被调用块后应该同时更新调用块
参考:
STEP 7 displays a time stamp conflict if it detects a violation of the rules when comparing time
stamps. The following violations may occur:
? A called block is more up-to-date than the calling block (CALL)
? A referenced block is more up-to-date than the block which is using it
? Examples of the second type of violation:
? A UDT is more up-to-date than the block that is using it; that is, a DB or another UDT, or an
FC, an FB, or an OB that is using the UDT in the variable declaration table.
? An FB is more up-to-date than its corresponding instance DB.
? An FB2 is defined as a multiple instance in FB1 and FB2 is more up-to-date than FB1.
评论
编辑推荐: 关闭

请填写推广理由:

本版热门话题

SIMATIC S7-300/400

共有54616条技术帖

相关推荐

热门标签

相关帖子推荐

guzhang

恭喜,你发布的帖子

评为精华帖!

快扫描右侧二维码晒一晒吧!

再发帖或跟帖交流2条,就能晋升VIP啦!开启更多专属权限!

  • 分享

  • 只看
    楼主

top
您收到0封站内信:
×
×
信息提示
很抱歉!您所访问的页面不存在,或网址发生了变化,请稍后再试。