Re: [foxboro] Accum Block Reset

Well the tare should be in a valid method. Taking the time difference between 
both accums and calculate the value requiered to be added/substracted...

  Jorge Jimenez
Resirene Tlaxcala, Mexico







> From: jorge_js@xxxxxxxxxxx
> To: foxboro@xxxxxxxxxxxxx
> Subject: Re: [foxboro] Accum Block Reset
> Date: Mon, 16 Feb 2009 17:24:36 +0000
> 
> After reading this I think the 3'd CP method should give better results and 
> also trying to relocate the phase in order to take a low demand in both 
> processors at the moment of running the instruction. Well this may sound 
> tricky but if you tare the preset value in the accum for the proper amount it 
> may give good results.
> 
>  Jorge Jimenez
> Resirene Tlaxcala, Mexico
> 
> 
> 
> 
> > Subject: Re: [foxboro] Accum Block Reset
> > Date: Mon, 16 Feb 2009 12:09:36 -0500
> > From: tdoucet@xxxxxxxxxxxxxxxxxx
> > To: foxboro@xxxxxxxxxxxxx
> > 
> > Brian,
> > The Master Timekeeper is supposed to keep the internal clocks of all 
> > stations (including CP's) within +-1 second, previous to V8. So your two 
> > CP's (worst case) could be almost 2 seconds difference. This is the best 
> > resolution you should expect to see.
> > 
> > 
> > If that is acceptable, then you can try the period phase items, below.  But 
> > remember that you need a 1/2 second or at worst 1 second period.
> > 
> > Check to see if you have OM_Scanner overruns on both CP's
> > 
> > Terry Doucet, Eng.
> > 
> > 
> > 
> > Objet : Re: [foxboro] Accum Block Reset
> > 
> > Maybe check that the phase and period are the same in both CPs. Also try to 
> > move the compounds to get them at the begging of the list (compounds and 
> > blocks) that way the CP will execute the blocks als most at the same time. 
> > I guess that both cps are on the same network and running the same system 
> > hour.
> > 
> > Jorge Jimenez
> > Resirene Tlaxcala, Mexico
> > 
> > 
> > 
> > > From: blong@xxxxxxx
> > > To: foxboro@xxxxxxxxxxxxx
> > > Subject: [foxboro] Accum Block Reset
> > > Date: Mon, 16 Feb 2009 09:05:18 -0600
> > > 
> > > Question?
> > >  
> > > Accum1 runs in CP1, node1
> > >  
> > > Accum2 runs in CP2,  node2
> > >  
> > > I need to reset both accum blocks at the same time. Right now they are 
> > > close
> > > but not close enough which is surprising since both CP's are lightly 
> > > loaded.
> > > I wanting to generate the reset in the CP not in CRON if possilbe.  I'm
> > > using the CPx_STA:STATION.HOUR parameter currently to do the reset 
> > > (clear). 
> > >  
> > > Thanks in Advance,
> > > Brian Long
> > > Arkansas Kraft  
> > > 
> 
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