Re: [TRNSYS-users] On off time calculator type 980

[Jeff Thornton <thornton@tess-inc.com>]

Type 24 already accounts for the time step. As Ben suggests, simply connect the same control signal that you use to drive the pump to an integrator as well.

Jeff Thornton
TESS

Sent from my iPhone

> On Nov 26, 2014, at 8:31 AM, Ben Heymer <bheymer@gmail.com> wrote:
> 
> You could integrate the control signal to the pump (should be 0 to 1)
> or build your own simple counter using an equation and an integrator,
> such as type 24, based on some output value from the pump. For
> example:
> 
> gt(pump_flow_rate,0) * timestep --> integrator
> 
> Type 24 may already account for the time step, you will have to check.
> 
> Cheers,
> Ben Heymer, PE
> 
> On Wed, Nov 26, 2014 at 4:07 AM, bridjesh gautam
> <bridjeshgautam@gmail.com> wrote:
>> Dear. Trnsys users
>> I need to find out how many hours my pump was on in the simulation. I found
>> type 980 can give me the current running on and off time but not the total
>> ,as it starts from zero next time it is on or off. Is there any other way to
>> find that out ?
>> 
>> Thank you
>> 
>> 
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