PFS Meta Controller

  • Current

    2017 Apr/20-Jan/25

    Since January/19: 
    Glycol: Pg=2.0, I=0.2, F=-0.570+0.0420*(SetP-Tout)+"GTC"
I += 0.005
    Since December/11: 
    Glycol: Pg=2.0, I=0.2, F=-0.560+0.0410*(SetP-Tout)+"GTC"
I += 0.009
    December/1: Planned power outage: 10:00 - 11:00

    October/31: Planned power outage: 13:30 - 14:30

    Since October/26: 

    Glycol: Pg=2.0, I=0.2, F=-0.545+0.0400*(SetP-Tout)+"GTC"
I += 0.015
    October/19: Planned power outage: 10:25 - 10:40

    October/12: Planned power outage: 10:15 - 12:40

    Since August/29: 

    Glycol: Pg=2.0, I=0.2, F=-0.525+0.0395*(SetP-Tout)+"GTC"
GTC = (glycol_supply-glycol_return-0.330)/2
    Since July/19: 
    Glycol: Pg=2.0, I=0.3, F=-0.520+0.0390*(SetP-Tout)+"GTC"
GTC = (glycol_supply-glycol_return-0.325)/2

    -----------------------------------------
July/05  6:00 -- 24.7 [C] (equilibrium)
July/03 20:40 -- 24.1 [C]
July/03 12:15 -- 23.8 [C]
July/03  8:25 -- 23.6 [C]
July/02 21:25 -- 23.1 [C]
July/02 14:50 -- 22.7 [C]
July/02  8:00 -- 22.1 [C]
July/01 22:50 -- 21.1 [C]
July/01 12:10 -- 19.5 [C]
July/01  9:25 -- 19.0 [C]
June/30 21:50 -- 16.1 [C]
June/30 20:20 -- 15.6 [C]
June/30 14:50 -- 13.5 [C]
June/30 13:50 -- 12.9 [C]
June/30 12:40 -- 12.2 [C]
June/30 11:55 -- 11.7 [C]
June/30 10:50 -- 11.2 [C]
June/30  9:50 -- 10.9 [C]
-----------------------------------------
    June/30 9:00: PFS powered up.
    The interior has cooled down to about 10 [C], now slowly warming up ...
    The Meta Controller is disabled until the temperature reaches 24.2 [C]

    June/26: PFS powered down (thunderstorm).

    June/12: Meta controller restarted.

    June/8: 'guanaco' upgraded to 'Yosemite'.

    Since May/15: 

    Glycol: Pg=2.0, I=0.5, F=-0.505+0.0385*(SetP-Tout)+"GTC"

    May/11: network switch problem, restarted on May/12 17:00 CLT.

    Since May/08: 

    Glycol: Pg=2.0, I=0.3, F=-0.500+0.0385*(SetP-Tout)+"GTC"
    Since May/01: 
    Glycol: Pg=2.0, I=0.3, F=-0.500+0.0388*(SetP-Tout)+"GTC"
GTC = (glycol_supply-glycol_return-0.325)/2
    Since Apr/24: 
    Glycol: Pg=2.0, I=0.3, F=-0.505+0.0388*(SetP-Tout)+"GTC"
GTC = (glycol_supply-glycol_return-0.320)/2
    Since Mar/31: 
    Glycol: Pg=2.0, I=0.5, F=-0.510+0.0388*(SetP-Tout)+"GTC"
GTC = (glycol_supply-glycol_return-0.315)/2
Air: Pa=15.0, Da=5.0
DHT = 0.110
PMT = 0.020
LN2(bank) = 0.85
LN2(cap) = 0.40