840D系统配置装载软件是CPU停机，不知如何处理。诊断信息如下：
Area length error when writing
Global DB, double-word access, Access address: 74
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
04:11:46.459 PM 09/24/2014


Event 3 of 10: Event ID 16# 2523
Area length error when writing
Global DB, double-word access, Access address: 68
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
04:11:46.458 PM 09/24/2014


Event 4 of 10: Event ID 16# 2523
Area length error when writing
Global DB, double-word access, Access address: 64
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
04:11:46.458 PM 09/24/2014


Event 5 of 10: Event ID 16# 2523
Area length error when writing
Global DB, double-word access, Access address: 60
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
04:11:46.457 PM 09/24/2014


Event 6 of 10: Event ID 16# 2522
Area length error when reading
Global DB, double-word access, Access address: 28
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
04:11:46.457 PM 09/24/2014


Event 7 of 10: Event ID 16# 2522
Area length error when reading
Global DB, double-word access, Access address: 24
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
04:11:46.456 PM 09/24/2014


Event 8 of 10: Event ID 16# 2522
Area length error when reading
Global DB, word access, Access address: 22
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
04:11:46.456 PM 09/24/2014


Event 9 of 10: Event ID 16# 2522
Area length error when reading
Global DB, word access, Access address: 20
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
04:11:46.455 PM 09/24/2014


Event 10 of 10: Event ID 16# 2522
Area length error when reading
Global DB, double-word access, Access address: 16
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
04:11:46.455 PM 09/24/2014