AW: [TRNSYS-users] pump controlling

["Timo Sengewald" <timo.sengewald@bls-energieplan.de>]

Florian,

my solution for cases like that has always been to combine the two
control signals to an effective control signal for the second pump using
an equation component:

- do not connect the control signal of controller 2 to pump 2 (which is
not allowed to run despite the signal of its controller)
- pump 1 schould be connected to its controller
- set up an equation like y2 = eql(y1;0) * y2'
where y2 is the effective control signal for pump 2, y1 the control
signal for pump 1 and y2' the control signal of controller 2.

If someone out there has got a much better idea i would be interested
too.

Good luck!


Timo

________________________________________________
Timo Sengewald

BLS Energieplan GmbH
Elsenstraße 106
D-12435 Berlin
Tel.: +49 30 53 32 81-0
Fax: +49 30 53 32 81-40


www.bls-energieplan.de



-----Ursprüngliche Nachricht-----
Von: trnsys-users-admin@engr.wisc.edu
[mailto:trnsys-users-admin@engr.wisc.edu] Im Auftrag von Florian Hafner
Gesendet: Donnerstag, 9. September 2004 11:52
An: Trnsys Users
Betreff: [TRNSYS-users] pump controlling


dear users

i have 2 pumps , each is controlled by a delta T  controller .  the 
second pump should not running ,if the first one runs whatever the delta

T controller gives out.
??????
how to manage
thanks flo


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