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Gary.<br>
You'll need to implement an equation that combines the two signals
into one. This can be done in any of a number of ways depending upon
the need. Imagine that the variables yChill_1 and yChill_2 are the
two control signals that are to be combined. Each can have a value
of either 1 or 0. Two possible combining equations are:<br>
<br>
yChiller = OR(yChill_1,yChill_2)<br>
<br>
or<br>
<br>
yChiller = AND(yChill_1,yChill_2)<br>
<br>
Best,<br>
David<br>
<br>
<br>
<div class="moz-cite-prefix">On 12/19/2012 02:37, KUM GARY wrote:<br>
</div>
<blockquote
cite="mid:CABZ-9hH8cwUvmaZybAO-xOQqbGcKSnN-wvVXdRByJiV1a20paQ@mail.gmail.com"
type="cite">
<div>Hi all,</div>
<div> </div>
<div>I would like to know how should i let my chiller(type 666) to
response to 2 types of control signals ( first type is the
thermostat control for the temperature level and the other
type is the operating signal which is to tell the chiller to run
for a time period of the day).</div>
<div> </div>
<div>Thanks in advance</div>
<div> </div>
<div>Regards</div>
<div>Gary</div>
<br>
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David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
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