S7-300 Alighment error
Alignment error when writing
Event 1 of 10: Event ID 16# 2529
Alignment error when writing
P area, double-word access, Incorrect address: 0
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
08:27:08.621 AM 04/28/2013
(Coding: 16# 2529 0179 0030 0000 0000 0000)
Check help:
Cause:
A bit address (bits 0 to 2) was specified for byte, word, or double word access.
To correct or avoid errors:
Make sure that the bit address contains access address 0.
问题补充：
S7 300CPU SF 灯红色闪烁。怎么才能让红色SF灯布闪烁啊？
最佳答案
专家置评：已解决问题
编程错误，可以在线删除OB121，然后执行程序，停机情况下通过诊断缓冲区和I、B、L堆栈进一步定位并分析。
提问者对于答案的评价：
谢谢！已经解决。确认是一个子程序块有问题。
原创文章，作者：more0621，如若转载，请注明出处：https://www.zhaoplc.com/plc240005.html
微信扫一扫 
支付宝扫一扫 