Issue2614 chilled beam sequences

Buildings/Controls/OBC/ASHRAE/PrimarySystem/ChilledBeamSystem/SecondaryPumps/Subsequences/ChangeStatus.mo

@@ -0,0 +1,211 @@
+within Buildings.Controls.OBC.ASHRAE.PrimarySystem.ChilledBeamSystem.SecondaryPumps.Subsequences;
+block ChangeStatus
+  "Sequence to change pump status"
+
+  parameter Integer nPum = 2
+    "Total number of pumps";
+
+  Buildings.Controls.OBC.CDL.Interfaces.BooleanInput uChiWatPum[nPum]
+    "Chilled water pump status"
+    annotation (Placement(transformation(extent={{-140,-20},{-100,20}})));
+
+  Buildings.Controls.OBC.CDL.Interfaces.BooleanInput uNexLagPumSta
+    "Status of next lag pump"
+    annotation (Placement(transformation(extent={{-140,60},{-100,100}})));
+
+  Buildings.Controls.OBC.CDL.Interfaces.BooleanInput uLasLagPumSta
+    "Status of last lag pump"
+    annotation (Placement(transformation(extent={{-140,30},{-100,70}})));
+
+  Buildings.Controls.OBC.CDL.Interfaces.IntegerInput uNexLagPum
+    "Index of next lag pump"
+    annotation (Placement(transformation(extent={{-140,-60},{-100,-20}})));
+
+  Buildings.Controls.OBC.CDL.Interfaces.IntegerInput uLasLagPum
+    "Index of last lag pump"
+    annotation (Placement(transformation(extent={{-140,-100},{-100,-60}})));
+
+  Buildings.Controls.OBC.CDL.Interfaces.BooleanOutput yChiWatPum[nPum]
+    "Chilled water pump status"
+    annotation (Placement(transformation(extent={{100,-20},{140,20}})));
+
+protected
+  parameter Integer pumInd[nPum]={i for i in 1:nPum}
+    "Pump index, {1,2,...,n}";
+
+  Buildings.Controls.OBC.CDL.Routing.BooleanScalarReplicator booRep1(
+    final nout=nPum)
+    "Replicate boolean input"
+    annotation (Placement(transformation(extent={{-80,70},{-60,90}})));
+
+  Buildings.Controls.OBC.CDL.Routing.BooleanScalarReplicator booRep2(
+    final nout=nPum)
+    "Replicate boolean input"
+    annotation (Placement(transformation(extent={{-80,40},{-60,60}})));
+
+  Buildings.Controls.OBC.CDL.Integers.Equal intEqu2[nPum]
+    "Check next lag pump"
+    annotation (Placement(transformation(extent={{-60,-50},{-40,-30}})));
+
+  Buildings.Controls.OBC.CDL.Integers.Equal intEqu3[nPum]
+    "Check last lag pump"
+    annotation (Placement(transformation(extent={{-60,-90},{-40,-70}})));
+
+  Buildings.Controls.OBC.CDL.Logical.LogicalSwitch nexLagPumSta[nPum]
+    "Next lag pump status"
+    annotation (Placement(transformation(extent={{-20,-50},{0,-30}})));
+
+  Buildings.Controls.OBC.CDL.Logical.LogicalSwitch lasLagPumSta[nPum]
+    "Last lag pump status"
+    annotation (Placement(transformation(extent={{-20,-90},{0,-70}})));
+
+  Buildings.Controls.OBC.CDL.Logical.Or enaPum[nPum]
+    "Chilled water pump status"
+    annotation (Placement(transformation(extent={{10,-50},{30,-30}})));
+
+  Buildings.Controls.OBC.CDL.Logical.And pumSta[nPum]
+    "Chilled water pump status"
+    annotation (Placement(transformation(extent={{20,-90},{40,-70}})));
+
+  Buildings.Controls.OBC.CDL.Logical.LogicalSwitch remPum[nPum]
+    "Remove pump"
+    annotation (Placement(transformation(extent={{50,-70},{70,-50}})));
+
+  Buildings.Controls.OBC.CDL.Logical.LogicalSwitch addPum[nPum]
+    "Add pump"
+    annotation (Placement(transformation(extent={{60,-10},{80,10}})));
+
+  Buildings.Controls.OBC.CDL.Routing.IntegerScalarReplicator intRep(
+    final nout=nPum)
+    "Integer replicator"
+    annotation (Placement(transformation(extent={{-90,-50},{-70,-30}})));
+
+  Buildings.Controls.OBC.CDL.Routing.IntegerScalarReplicator intRep1(
+    final nout=nPum)
+    "Integer replicator"
+    annotation (Placement(transformation(extent={{-90,-90},{-70,-70}})));
+
+  Buildings.Controls.OBC.CDL.Integers.Sources.Constant conInt[nPum](
+    final k=pumInd)
+    "Pump index"
+    annotation (Placement(transformation(extent={{-90,10},{-70,30}})));
+
+equation
+  connect(nexLagPumSta.u2, intEqu2.y)
+    annotation (Line(points={{-22,-40},{-38,-40}}, color={255,0,255}));
+
+  connect(intEqu3.y, lasLagPumSta.u2)
+    annotation (Line(points={{-38,-80},{-22,-80}}, color={255,0,255}));
+
+  connect(uNexLagPumSta, booRep1.u)
+    annotation (Line(points={{-120,80},{-82,80}}, color={255,0,255}));
+
+  connect(uLasLagPumSta, booRep2.u)
+    annotation (Line(points={{-120,50},{-82,50}}, color={255,0,255}));
+
+  connect(intRep.y, intEqu2.u1)
+    annotation (Line(points={{-68,-40},{-62,-40}}, color={255,127,0}));
+
+  connect(intRep1.y, intEqu3.u1)
+    annotation (Line(points={{-68,-80},{-62,-80}}, color={255,127,0}));
+
+  connect(uNexLagPum, intRep.u)
+    annotation (Line(points={{-120,-40},{-92,-40}}, color={255,127,0}));
+
+  connect(uLasLagPum, intRep1.u)
+    annotation (Line(points={{-120,-80},{-92,-80}}, color={255,127,0}));
+
+  connect(booRep2.y, lasLagPumSta.u1) annotation (Line(points={{-58,50},{-36,50},
+          {-36,-72},{-22,-72}}, color={255,0,255}));
+
+  connect(booRep1.y, nexLagPumSta.u1) annotation (Line(points={{-58,80},{-24,80},
+          {-24,-32},{-22,-32}}, color={255,0,255}));
+
+  connect(uChiWatPum, nexLagPumSta.u3) annotation (Line(points={{-120,0},{-30,0},
+          {-30,-48},{-22,-48}}, color={255,0,255}));
+
+  connect(uChiWatPum, lasLagPumSta.u3) annotation (Line(points={{-120,0},{-30,0},
+          {-30,-88},{-22,-88}}, color={255,0,255}));
+
+  connect(nexLagPumSta.y, enaPum.u1)
+    annotation (Line(points={{2,-40},{8,-40}}, color={255,0,255}));
+
+  connect(uChiWatPum, enaPum.u2) annotation (Line(points={{-120,0},{4,0},{4,-48},
+          {8,-48}}, color={255,0,255}));
+
+  connect(uChiWatPum, remPum.u1) annotation (Line(points={{-120,0},{4,0},{4,-52},
+          {48,-52}}, color={255,0,255}));
+
+  connect(enaPum.y, addPum.u1) annotation (Line(points={{32,-40},{40,-40},{40,8},
+          {58,8}},   color={255,0,255}));
+
+  connect(lasLagPumSta.y, pumSta.u1)
+    annotation (Line(points={{2,-80},{18,-80}}, color={255,0,255}));
+
+  connect(enaPum.y, pumSta.u2) annotation (Line(points={{32,-40},{40,-40},{40,
+          -56},{10,-56},{10,-88},{18,-88}},
+                                       color={255,0,255}));
+
+  connect(pumSta.y, remPum.u3) annotation (Line(points={{42,-80},{46,-80},{46,-68},
+          {48,-68}}, color={255,0,255}));
+
+  connect(booRep2.y, remPum.u2) annotation (Line(points={{-58,50},{-36,50},{-36,
+          -60},{48,-60}}, color={255,0,255}));
+
+  connect(booRep1.y, addPum.u2) annotation (Line(points={{-58,80},{50,80},{50,0},
+          {58,0}},        color={255,0,255}));
+
+  connect(remPum.y, addPum.u3) annotation (Line(points={{72,-60},{80,-60},{80,-40},
+          {50,-40},{50,-8},{58,-8}},   color={255,0,255}));
+
+  connect(addPum.y,yChiWatPum)  annotation (Line(points={{82,0},{120,0}},
+                    color={255,0,255}));
+
+  connect(conInt.y, intEqu2.u2) annotation (Line(points={{-68,20},{-66,20},{-66,
+          -48},{-62,-48}}, color={255,127,0}));
+
+  connect(conInt.y, intEqu3.u2) annotation (Line(points={{-68,20},{-66,20},{-66,
+          -88},{-62,-88}}, color={255,127,0}));
+
+annotation (
+  defaultComponentName="chaSta",
+  Icon(coordinateSystem(preserveAspectRatio=false,
+    extent={{-100,-100},{120,100}}),
+      graphics={
+        Rectangle(
+          extent={{-100,-100},{100,100}},
+          lineColor={0,0,127},
+          fillColor={255,255,255},
+          fillPattern=FillPattern.Solid),
+        Text(
+          extent={{-100,150},{100,110}},
+          lineColor={0,0,255},
+          textString="%name")}),
+  Diagram(coordinateSystem(preserveAspectRatio=false, extent={{-100,-100},{100,100}})),
+  Documentation(info="<html>
+  <p>
+  Block that changes the status of pumps.
+  </p>
+  <p>
+  <ol>
+  <li>
+  When the block receives the index of next lag pump to be enabled <code>uNexLagPum</code>
+  and a <code>true</code> pulse on the next lag pump status <code>uNexLagPumSta</code>,
+  it changes the pump status <code>yHotWatPum[uNexLagPum]</code> to <code>true</code>.
+  </li>
+  <li>
+  When the block receives the index of last lag pump to be disabled <code>uLasLagPum</code>
+  and a <code>false</code> pulse on the last lag pump status <code>uLasLagPumSta</code>, it changes
+  the pump status <code>yHotWatPum[uLasLagPum]</code> to <code>false</code>.
+  </li>
+  </ol>
+  </p>
+  </html>", revisions="<html>
+  <ul>
+  <li>
+  August 19, 2020, by Karthik Devaprasad:<br/>
+  First implementation.
+  </li>
+  </ul>
+  </html>"));
+end ChangeStatus;