Tp177b pn/dp date and time problem

silviu_r

Member
S
Join Date
Dec 2008
Location
Bucharest
Posts
10
Hello,

I have a problem with an TP177B PN/DP. After a power failure the date and time from TP are reset to a value from 2007.
The TP is relatively new (from november 2009).
What do you think it is the problem?

Best regards,

Silviu
 
this is normal the tp177b does not have a battery backed clock it loses time when power is off
you can sync time with plc if it has a battery backed clock
 

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