sinumerik 808D, 25201 alarm for one of axes appears

APC Tech Team

hello Viktor.
I assume you are trying to activate the rotation monitor in DB380x.DBX5000.0.
This function is not yet supported in Sinumerik 808D.
My recommendation : Do not set these bits in MD 14512[16] and then you will be able to move the axes.
Regards
Andrew E. Grimshaw

 Hi Andrew..

I am connecting  sinumerik 808d & sinamics v60 on a milling machines. When I want to run a program, after a time(different time for every running)  25201 alarm for one of axes appears on screen and drives conditions change from <<RUN>> to <<S4>> without any alarm.

I check grounding and voltages of drives and controller but I cannot find the reason of 25201 alarm because sometimes for about 3 hours there isn't an alarm but sometimes with same program it is stopped after about 20 minutes.

Actually  the PLC alarm(" rotation monitor active,please approach ref. point again") that you metioned as above also appeared with 25201.

Would you please help me to solve the  problem?

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Split from sinumerik 808D.

Hi

If drive V60 or V70 during working <S4> show  it means that drive is not in state (operation), machine stop because Enable signal is missing

So check the (related) encoder/motor Position,cable or connection. during spindle or axes movement create malfunctioning.also if spindle cause then check the position of sensor position may be loose or near to pulley

Therefore 25201 alarm display  

Rana Ali

Hi

If drive V60 or V70 during working <S4> show  it means that drive is not in state (operation), machine stop because Enable signal is missing

So check the (related) encoder/motor Position,cable or connection. during spindle or axes movement create malfunctioning.also if spindle cause then check the position of sensor position may be loose or near to pulley

Therefore 25201 alarm display  

I will check it..thank you.