[?]: suddenly shutdown cpu412-2 program clear

SIMATIC S7-200/300/400, Step7, PCS7, CFC, SFC, PDM, PLCSIM,
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monokeros
Posts: 1
Joined: Sun Jul 13, 2008 1:23 pm
Location: China

[?]: suddenly shutdown cpu412-2 program clear

Post by monokeros »

hi,
plc is normal running - suddenly shutdown,
all program is clear ,
some one meet the same problem？
using RAM card ,2M, batt is ok. :?:
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CoMod
Site Admin
Posts: 3992
Joined: Thu Feb 16, 2006 3:25 pm
Location: Russia

Post by CoMod »

Possible problems with PS407.
Try UPS.
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