Re: [TRNSYS-users] Timer of Delay Function

[PAUL COALES <coalespr@btinternet.com>]

Jeff,

Thanks for this.

Having established that the "time" parameter to the DLL is simulation time in hours, it was quit easy to create this functionality within my own type.

Kind Regards
Paul 

--- On Tue, 22/12/09, Jeff Thornton <thornton@tess-inc.com> wrote:

> From: Jeff Thornton <thornton@tess-inc.com>
> Subject: Re: [TRNSYS-users] Timer of Delay Function
> To: "PAUL COALES" <coalespr@btinternet.com>, trnsys-users@cae.wisc.edu
> Date: Tuesday, 22 December, 2009, 17:00
> <What is the easiest way to do
> this?  Is the grammar for the equation
> assembly strong enough to do this?  I would like to
> count down from 20
> minutes to zero minutes using control signal change (0 to
> 1) as a
> trigger.>
> 
> While it's technically possible to use a combination of
> input delays and
> equations to achieve your goal it's not really all that
> easy.  We wrote a
> model, for the next release of the TESS Libraries, that
> calculate the
> current "On" time and the current "Off" time.  You
> could easily use that
> model to do what you want.  I do believe it's
> available as a stand-alone
> component right now.  Check the TRNSYS.com website for
> details if you're
> interested or drop us an e-mail.
> 
> Jeff
> 
> 
> Jeff Thornton
> President - TESS, LLC
> 
> 22 North Carroll Street - Suite 370
> Madison WI 53703 USA
> 
> Phone: 608-274-2577
> Fax: 608-278-1475
> E-mail: thornton@tess-inc.com
> Web: www.tess-inc.com
> 
>