小伙伴们帮忙分析一下停机原因，怎样在西门子官网查询Event ID 16# 75D6代表什么含义

Event 46 of 120:  Event ID 16# 75D6
Data corruption in safety program before output to F I/O
logic standard address:   2220
output offset:  0.0
Number of the F-I/O data blocks:  1834
previous operating mode: RUN
requested operating mode: STOP
Internal error, Incoming event
07:22:43.817 PM  03/16/2016
(Coding: 16# 75D6  9F84  C47A  072A  08AC  0000)