ibpsa · mwetter · May 27, 2025 · May 26, 2025 · May 26, 2025 · May 26, 2025
diff --git a/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/AntiFreeze.mo b/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/AntiFreeze.mo
@@ -44,16 +44,21 @@ equation
       points={{1,20},{20,20},{20,0},{38,0}},
       color={255,0,255}));
   annotation (Documentation(revisions="<html><ul>
-<li>
-  <i>October 2, 2022</i> by Fabian Wuellhorst:<br/>
-  Adapted based on IBPSA implementation (see issue <a href=
-  \"https://github.com/ibpsa/modelica-ibpsa/issues/1576\">#1576</a>)
-</li>
-<li>
-  <i>November 26, 2018</i> by Fabian Wuellhorst:<br/>
-  First implementation (see issue <a href=
-  \"https://github.com/RWTH-EBC/AixLib/issues/577\">AixLib #577</a>)
-</li>
+  <li>
+    <i>May 26, 2025</i> by Fabian Wuellhorst and Michael Wetter:<br/>
+    Increase error counter only when device should turn on (see issue <a href=
+    \"https://github.com/ibpsa/modelica-ibpsa/issues/2011\">IBPSA #2011</a>)
+  </li>
+  <li>
+    <i>October 2, 2022</i> by Fabian Wuellhorst:<br/>
+    Adapted based on IBPSA implementation (see issue <a href=
+    \"https://github.com/ibpsa/modelica-ibpsa/issues/1576\">#1576</a>)
+  </li>
+  <li>
+    <i>November 26, 2018</i> by Fabian Wuellhorst:<br/>
+    First implementation (see issue <a href=
+    \"https://github.com/RWTH-EBC/AixLib/issues/577\">AixLib #577</a>)
+  </li>
 </ul>
 </html>", info="<html>
 <p>

diff --git a/...uid/HeatPumps/ModularReversible/Controls/Safety/BaseClasses/PartialOperationalEnvelope.mo b/...uid/HeatPumps/ModularReversible/Controls/Safety/BaseClasses/PartialOperationalEnvelope.mo
@@ -26,31 +26,36 @@ partial model PartialOperationalEnvelope
     final tab=tabUppHea,
     final dT=dTHys,
     final isUppBou=true) "Operational boundary map for heating operation"
-    annotation (Placement(transformation(extent={{-80,40},{-20,100}})));
+    annotation (Placement(transformation(extent={{-80,40},{-60,60}})));
 
   IBPSA.Fluid.HeatPumps.ModularReversible.Controls.Safety.BaseClasses.BoundaryMap bouMapCoo(
     final tab=tabLowCoo,
     final dT=dTHys,
     final isUppBou=false) "Operational boundary map for cooling operation"
-    annotation (Placement(transformation(extent={{-80,-80},{-20,-20}})));
+    annotation (Placement(transformation(extent={{-80,-40},{-60,-20}})));
   Modelica.Blocks.Logical.LogicalSwitch swiHeaCoo
     "Switch between heating and cooling envelope"
     annotation (Placement(transformation(extent={{-4,-10},{16,10}})));
 equation
-  connect(ySet,swiErr.u1)  annotation (Line(points={{-136,0},{-80,0},{-80,20},{
-          70,20},{70,8},{78,8}},
+  connect(ySet,swiErr.u1)  annotation (Line(points={{-136,0},{-100,0},{-100,20},
+          {70,20},{70,8},{78,8}},
                   color={0,0,127}));
   connect(swiHeaCoo.y, booPasThr.u)
     annotation (Line(points={{17,0},{38,0}}, color={255,0,255}));
   connect(bouMapCoo.noErr, swiHeaCoo.u3)
-    annotation (Line(points={{-17,-50},{-12,-50},{-12,-8},{-6,-8}},
+    annotation (Line(points={{-59,-30},{-14,-30},{-14,-8},{-6,-8}},
                                                           color={255,0,255}));
   connect(bouMapHea.noErr, swiHeaCoo.u1)
-    annotation (Line(points={{-17,70},{-12,70},{-12,8},{-6,8}},
+    annotation (Line(points={{-59,50},{-54,50},{-54,8},{-6,8}},
                                                        color={255,0,255}));
 
   annotation (Diagram(coordinateSystem(extent={{-120,-120},{120,120}})),
     Documentation(revisions="<html><ul>
+  <li>
+    <i>May 26, 2025</i> by Fabian Wuellhorst and Michael Wetter:<br/>
+    Increase error counter only when device should turn on (see issue <a href=
+    \"https://github.com/ibpsa/modelica-ibpsa/issues/2011\">IBPSA #2011</a>)
+  </li>
 <li>
 May 22, 2025, by Michael Wetter:<br/>
 Revised comment.<br/>

diff --git a/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/BaseClasses/PartialSafety.mo b/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/BaseClasses/PartialSafety.mo
@@ -1,5 +1,9 @@
 within IBPSA.Fluid.HeatPumps.ModularReversible.Controls.Safety.BaseClasses;
 partial model PartialSafety "Safety control with I/O"
+  parameter Boolean onOffMea_start=true
+    "Start value for the on-off signal of the device, true for on";
+  parameter Real ySet_small
+    "Threshold for relative speed for the device to be considered on";
   Modelica.Blocks.Interfaces.RealInput ySet
     "Input for relative compressor speed from 0 to 1"
     annotation (Placement(transformation(extent={{-152,-16},{-120,16}}),
@@ -56,6 +60,11 @@ partial model PartialSafety "Safety control with I/O"
           textString="%name")}),     Diagram(coordinateSystem(
           preserveAspectRatio=false, extent={{-120,-120},{120,120}})),
     Documentation(revisions="<html><ul>
+  <li>
+    <i>May 26, 2025</i> by Fabian Wuellhorst and Michael Wetter:<br/>
+    Introduce partial parameters used in all safety blocks (see issue <a href=
+    \"https://github.com/ibpsa/modelica-ibpsa/issues/2011\">IBPSA #2011</a>)
+  </li>
   <li>
     <i>November 26, 2018</i> by Fabian Wuellhorst:<br/>
     First implementation (see issue <a href=

diff --git a/...Fluid/HeatPumps/ModularReversible/Controls/Safety/BaseClasses/PartialSafetyWithCounter.mo b/...Fluid/HeatPumps/ModularReversible/Controls/Safety/BaseClasses/PartialSafetyWithCounter.mo
@@ -2,7 +2,6 @@ within IBPSA.Fluid.HeatPumps.ModularReversible.Controls.Safety.BaseClasses;
 partial model PartialSafetyWithCounter
    "Safety control which adds an error counter to the I/O"
   extends PartialSafety;
-
   Modelica.Blocks.Logical.Switch swiErr
     "Switches to zero when an error occurs"
     annotation (Placement(transformation(extent={{80,-10},{100,10}})));
@@ -27,7 +26,7 @@ partial model PartialSafetyWithCounter
                                      annotation (Placement(transformation(
         extent={{-10,-10},{10,10}},
         rotation=0,
-        origin={10,-90})));
+        origin={-30,-70})));
   Modelica.Blocks.Sources.IntegerConstant intConOne(final k=1)
     "Used for display of current error"
     annotation (Placement(transformation(extent={{10,10},{-10,-10}},
@@ -36,25 +35,44 @@ partial model PartialSafetyWithCounter
   Modelica.Blocks.Routing.BooleanPassThrough booPasThr
     "Used to keep the connection to the counter"
     annotation (Placement(transformation(extent={{40,-10},{60,10}})));
+  Modelica.Blocks.Logical.Hysteresis ySetOn(
+    final pre_y_start=onOffMea_start,
+    final uHigh=ySet_small,
+    final uLow=ySet_small/2) "=true if device is set on"
+    annotation (Placement(transformation(extent={{-40,-110},{-20,-90}})));
+  Modelica.Blocks.Logical.And errAndSetOn
+    "Error occured and the device should be on"
+    annotation (Placement(transformation(extent={{0,-90},{20,-70}})));
 equation
   connect(conZer.y,swiErr. u3) annotation (Line(points={{61,-30},{70,-30},{70,
           -8},{78,-8}},     color={0,0,127}));
   connect(disErr.y,err)  annotation (Line(points={{102,-100},{130,-100}},
                                                  color={255,127,0}));
-  connect(notVal.y, disErr.trigger) annotation (Line(points={{21,-90},{28,-90},
-          {28,-118},{84,-118},{84,-112}},
-                                  color={255,0,255}));
   connect(intConOne.y, disErr.u) annotation (Line(points={{59,-100},{76,-100}},
                    color={255,127,0}));
   connect(booPasThr.y, swiErr.u2)
     annotation (Line(points={{61,0},{78,0}}, color={255,0,255}));
-  connect(booPasThr.y, notVal.u) annotation (Line(points={{61,0},{68,0},{68,-12},
-          {-8,-12},{-8,-90},{-2,-90}},      color={255,0,255}));
+  connect(booPasThr.y, notVal.u) annotation (Line(points={{61,0},{66,0},{66,-54},
+          {-46,-54},{-46,-70},{-42,-70}},   color={255,0,255}));
   connect(swiErr.y, yOut) annotation (Line(points={{101,0},{110,0},{110,0},{130,
           0}},      color={0,0,127}));
+  connect(ySetOn.u, ySet) annotation (Line(points={{-42,-100},{-100,-100},{-100,
+          0},{-136,0}},
+                      color={0,0,127}));
+  connect(errAndSetOn.u1, notVal.y) annotation (Line(points={{-2,-80},{-14,-80},
+          {-14,-70},{-19,-70}}, color={255,0,255}));
+  connect(errAndSetOn.y, disErr.trigger) annotation (Line(points={{21,-80},{28,
+          -80},{28,-116},{84,-116},{84,-112}}, color={255,0,255}));
+  connect(ySetOn.y, errAndSetOn.u2) annotation (Line(points={{-19,-100},{-10,-100},
+          {-10,-88},{-2,-88}}, color={255,0,255}));
   annotation (Diagram(coordinateSystem(
           preserveAspectRatio=false, extent={{-120,-120},{120,120}})),
     Documentation(revisions="<html><ul>
+  <li>
+    <i>May 26, 2025</i> by Fabian Wuellhorst and Michael Wetter:<br/>
+    Increase error counter only when device should turn on (see issue <a href=
+    \"https://github.com/ibpsa/modelica-ibpsa/issues/2011\">IBPSA #2011</a>)
+  </li>
   <li>
     <i>November 26, 2018</i> by Fabian Wuellhorst:<br/>
     First implementation (see issue <a href=

diff --git a/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/Examples/AntiFreeze.mo b/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/Examples/AntiFreeze.mo
@@ -2,7 +2,8 @@ within IBPSA.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples;
 model AntiFreeze "Example for usage of antifreeze model"
   extends BaseClasses.PartialSafety;
   extends Modelica.Icons.Example;
-  IBPSA.Fluid.HeatPumps.ModularReversible.Controls.Safety.AntiFreeze antFre
+  IBPSA.Fluid.HeatPumps.ModularReversible.Controls.Safety.AntiFreeze antFre(
+      onOffMea_start=false, ySet_small=hys.uHigh)
     "Safety control for antifreeze"
     annotation (Placement(transformation(extent={{0,0},{20,20}})));
   Modelica.Blocks.Sources.Pulse ySetPul(amplitude=1, period=50)
@@ -31,7 +32,7 @@ equation
       extent={{-6,3},{-6,3}},
       horizontalAlignment=TextAlignment.Right));
   connect(ySetPul.y, antFre.ySet) annotation (Line(points={{-69,30},{-8,30},{-8,
-          11.6667},{-1.33333,11.6667}},
+          10},{-1.33333,10}},
                           color={0,0,127}));
   connect(TEvaOutEmu.y, sigBus.TEvaOutMea) annotation (Line(points={{-69,-50},{
           -50,-50}},                     color={0,0,127}), Text(
@@ -45,11 +46,11 @@ equation
       index=1,
       extent={{6,3},{6,3}},
       horizontalAlignment=TextAlignment.Left));
-  connect(hys.u, antFre.yOut) annotation (Line(points={{22,-50},{44,-50},{44,
-          11.6667},{20.8333,11.6667}},
+  connect(hys.u, antFre.yOut) annotation (Line(points={{22,-50},{44,-50},{44,10},
+          {20.8333,10}},
                     color={0,0,127}));
-  connect(antFre.yOut, yOut) annotation (Line(points={{20.8333,11.6667},{44,
-          11.6667},{44,-40},{110,-40}},
+  connect(antFre.yOut, yOut) annotation (Line(points={{20.8333,10},{44,10},{44,
+          -40},{110,-40}},
                       color={0,0,127}));
   connect(ySetPul.y, ySet) annotation (Line(points={{-69,30},{-8,30},{-8,40},{110,
           40}},     color={0,0,127}));

diff --git a/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/Examples/MinimalFlowRate.mo b/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/Examples/MinimalFlowRate.mo
@@ -4,6 +4,8 @@ model MinimalFlowRate
   extends BaseClasses.PartialSafety;
   extends Modelica.Icons.Example;
   IBPSA.Fluid.HeatPumps.ModularReversible.Controls.Safety.MinimalFlowRate minFloRatSaf(
+    onOffMea_start=false,
+    ySet_small=hys.uHigh,
       mEvaMin_flow=0.1, mConMin_flow=0.1)
     "Safety block for minimal flow rate safety"
     annotation (Placement(transformation(extent={{0,0},{20,20}})));

diff --git a/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/Examples/OperationalEnvelope.mo b/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/Examples/OperationalEnvelope.mo
@@ -3,6 +3,8 @@ model OperationalEnvelope "Example for usage of operational envelope model"
   extends BaseClasses.PartialSafety;
   extends Modelica.Icons.Example;
   IBPSA.Fluid.HeatPumps.ModularReversible.Controls.Safety.OperationalEnvelope opeEnv(
+    onOffMea_start=false,
+    ySet_small=hys.uHigh,
     tabUppHea=[233.15,333.15; 313.15,333.15],
     tabLowCoo=[233.15,288.15; 313.15,288.15]) "Safety control for operational envelope"
     annotation (Placement(transformation(extent={{0,0},{20,20}})));
@@ -32,50 +34,52 @@ model OperationalEnvelope "Example for usage of operational envelope model"
     annotation (Placement(transformation(extent={{-90,60},{-70,80}})));
 equation
   connect(opeEnv.sigBus, sigBus) annotation (Line(
-      points={{0.0833333,3.91667},{-50,3.91667},{-50,-52}},
+      points={{0.0833333,3.91667},{-50,3.91667},{-50,-50}},
       color={255,204,51},
       thickness=0.5), Text(
       string="%second",
       index=1,
       extent={{-6,3},{-6,3}},
       horizontalAlignment=TextAlignment.Right));
   connect(ySetPul.y, opeEnv.ySet) annotation (Line(points={{-69,30},{-8,30},{-8,
-          11.6667},{-1.33333,11.6667}},
+          10},{-1.33333,10}},
                           color={0,0,127}));
-  connect(hys.u, opeEnv.yOut) annotation (Line(points={{22,-50},{44,-50},{44,
-          11.6667},{20.8333,11.6667}},
+  connect(hys.u, opeEnv.yOut) annotation (Line(points={{22,-50},{44,-50},{44,10},
+          {20.8333,10}},
                     color={0,0,127}));
-  connect(opeEnv.yOut, yOut) annotation (Line(points={{20.8333,11.6667},{44,
-          11.6667},{44,-40},{110,-40}},
+  connect(opeEnv.yOut, yOut) annotation (Line(points={{20.8333,10},{44,10},{44,
+          -40},{110,-40}},
                       color={0,0,127}));
   connect(ySetPul.y, ySet) annotation (Line(points={{-69,30},{-8,30},{-8,40},{110,
           40}},     color={0,0,127}));
   connect(TConOutEmu.y, sigBus.TConOutMea) annotation (Line(points={{-69,-10},{
-          -50,-10},{-50,-52}}, color={0,0,127}), Text(
+          -50,-10},{-50,-50}}, color={0,0,127}), Text(
       string="%second",
       index=1,
       extent={{6,3},{6,3}},
       horizontalAlignment=TextAlignment.Left));
-  connect(TEvaInEmu.y, sigBus.TEvaInMea) annotation (Line(points={{-69,-50},{-52,
-          -50},{-52,-52},{-50,-52}},     color={0,0,127}), Text(
+  connect(TEvaInEmu.y, sigBus.TEvaInMea) annotation (Line(points={{-69,-50},{
+          -52,-50},{-52,-50},{-50,-50}}, color={0,0,127}), Text(
       string="%second",
       index=1,
       extent={{6,3},{6,3}},
       horizontalAlignment=TextAlignment.Left));
-  connect(hea.y, sigBus.hea) annotation (Line(points={{-69,70},{-50,70},{-50,-52}},
-                 color={255,0,255}), Text(
+  connect(hea.y, sigBus.hea) annotation (Line(points={{-69,70},{-50,70},{-50,
+          -50}}, color={255,0,255}), Text(
       string="%second",
       index=1,
       extent={{6,3},{6,3}},
       horizontalAlignment=TextAlignment.Left));
-  connect(TConOutEmu.y, sigBus.TConInMea) annotation (Line(points={{-69,-10},{-50,
-          -10},{-50,-52}}, color={0,0,127}), Text(
+  connect(TConOutEmu.y, sigBus.TConInMea) annotation (Line(points={{-69,-10},{
+          -50,-10},{-50,-50}},
+                           color={0,0,127}), Text(
       string="%second",
       index=1,
       extent={{6,3},{6,3}},
       horizontalAlignment=TextAlignment.Left));
-  connect(TEvaInEmu.y, sigBus.TEvaOutMea) annotation (Line(points={{-69,-50},{-52,
-          -50},{-52,-52},{-50,-52}}, color={0,0,127}), Text(
+  connect(TEvaInEmu.y, sigBus.TEvaOutMea) annotation (Line(points={{-69,-50},{
+          -52,-50},{-52,-50},{-50,-50}},
+                                     color={0,0,127}), Text(
       string="%second",
       index=1,
       extent={{6,3},{6,3}},

diff --git a/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/MinimalFlowRate.mo b/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/MinimalFlowRate.mo
@@ -6,6 +6,10 @@ model MinimalFlowRate "Safety control for minimum mass flow rate"
     "Minimal mass flow rate in evaporator required to operate the device";
   parameter Modelica.Units.SI.MassFlowRate mConMin_flow
     "Minimal mass flow rate in condenser required to operate the device";
+  parameter Boolean onOffMea_start=true
+    "Start value for the on-off signal of the device, true for on";
+  parameter Real ySet_small
+    "Threshold for relative speed for the device to be considered on";
   Modelica.Blocks.Logical.Hysteresis hysCon(
     final uLow=mConMin_flow,
     final uHigh=max(mConMin_flow*1.1, Modelica.Constants.eps),
@@ -21,7 +25,6 @@ model MinimalFlowRate "Safety control for minimum mass flow rate"
   Modelica.Blocks.Logical.And and1
     "Both condenser and evaporator have sufficient flow"
     annotation (Placement(transformation(extent={{-20,-10},{0,10}})));
-
 equation
   connect(hysCon.y, and1.u1) annotation (Line(points={{-39,20},{-28,20},{-28,0},
           {-22,0}},      color={255,0,255}));
@@ -56,6 +59,11 @@ equation
   or freezing of components.
 </p>
 </html>", revisions="<html><ul>
+  <li>
+    <i>May 26, 2025</i> by Fabian Wuellhorst and Michael Wetter:<br/>
+    Increase error counter only when device should turn on (see issue <a href=
+    \"https://github.com/ibpsa/modelica-ibpsa/issues/2011\">IBPSA #2011</a>)
+  </li>
   <li>
     <i>October 2, 2022</i> by Fabian Wuellhorst:<br/>
     First implementation (see issue <a href=

diff --git a/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/OperationalEnvelope.mo b/IBPSA/Fluid/HeatPumps/ModularReversible/Controls/Safety/OperationalEnvelope.mo
@@ -4,50 +4,55 @@ model OperationalEnvelope
   extends BaseClasses.PartialOperationalEnvelope;
 equation
   if use_TConOutHea then
-    connect(bouMapHea.TUseSid, sigBus.TConOutMea) annotation (Line(points={{-84.2,
-            82},{-104,82},{-104,-61},{-119,-61}},                       color={0,
+    connect(bouMapHea.TUseSid, sigBus.TConOutMea) annotation (Line(points={{-81.4,
+            54},{-104,54},{-104,-61},{-119,-61}},                       color={0,
             0,127}));
   else
-    connect(bouMapHea.TUseSid, sigBus.TConInMea) annotation (Line(points={{-84.2,
-            82},{-104,82},{-104,-61},{-119,-61}},                       color={0,
+    connect(bouMapHea.TUseSid, sigBus.TConInMea) annotation (Line(points={{-81.4,
+            54},{-104,54},{-104,-61},{-119,-61}},                       color={0,
             0,127}));
   end if;
   if use_TEvaOutCoo then
-    connect(bouMapCoo.TAmbSid, sigBus.TEvaOutMea) annotation (Line(points={{-84.8,
-            -62},{-104,-62},{-104,-61},{-119,-61}},
+    connect(bouMapCoo.TAmbSid, sigBus.TEvaOutMea) annotation (Line(points={{-81.6,
+            -34},{-104,-34},{-104,-61},{-119,-61}},
                                                 color={0,0,127}));
   else
-    connect(bouMapCoo.TAmbSid, sigBus.TEvaInMea) annotation (Line(points={{-84.8,
-            -62},{-104,-62},{-104,-61},{-119,-61}},
+    connect(bouMapCoo.TAmbSid, sigBus.TEvaInMea) annotation (Line(points={{-81.6,
+            -34},{-104,-34},{-104,-61},{-119,-61}},
                                                 color={0,0,127}));
   end if;
   if use_TEvaOutHea then
-    connect(bouMapHea.TAmbSid, sigBus.TEvaOutMea) annotation (Line(points={{-84.8,
-            58},{-104,58},{-104,-60},{-106,-60},{-106,-61},{-119,-61}},
+    connect(bouMapHea.TAmbSid, sigBus.TEvaOutMea) annotation (Line(points={{-81.6,
+            46},{-104,46},{-104,-60},{-106,-60},{-106,-61},{-119,-61}},
                                                 color={0,0,127}));
   else
-    connect(bouMapHea.TAmbSid, sigBus.TEvaInMea) annotation (Line(points={{-84.8,
-            58},{-104,58},{-104,-60},{-112,-60},{-112,-61},{-119,-61}},
+    connect(bouMapHea.TAmbSid, sigBus.TEvaInMea) annotation (Line(points={{-81.6,
+            46},{-104,46},{-104,-60},{-110,-60},{-110,-61},{-119,-61}},
                                                 color={0,0,127}));
   end if;
   if use_TConOutCoo then
-    connect(bouMapCoo.TUseSid, sigBus.TConOutMea) annotation (Line(points={{-84.2,
-            -38},{-104,-38},{-104,-60},{-112,-60},{-112,-61},{-119,-61}},
+    connect(bouMapCoo.TUseSid, sigBus.TConOutMea) annotation (Line(points={{-81.4,
+            -26},{-104,-26},{-104,-60},{-112,-60},{-112,-61},{-119,-61}},
                                                       color={0,0,127}));
   else
-    connect(bouMapCoo.TUseSid, sigBus.TConInMea) annotation (Line(points={{-84.2,
-            -38},{-104,-38},{-104,-60},{-112,-60},{-112,-61},{-119,-61}},
+    connect(bouMapCoo.TUseSid, sigBus.TConInMea) annotation (Line(points={{-81.4,
+            -26},{-104,-26},{-104,-60},{-112,-60},{-112,-61},{-119,-61}},
                                                       color={0,0,127}));
   end if;
-  connect(swiHeaCoo.u2, sigBus.hea) annotation (Line(points={{-6,0},{-20,0},{
-          -20,-4},{-104,-4},{-104,-60},{-112,-60},{-112,-61},{-119,-61}},
+  connect(swiHeaCoo.u2, sigBus.hea) annotation (Line(points={{-6,0},{-98,0},{
+          -98,-60},{-108,-60},{-108,-61},{-119,-61}},
                             color={255,0,255}), Text(
       string="%second",
       index=1,
       extent={{-6,3},{-6,3}},
       horizontalAlignment=TextAlignment.Right));
   annotation (Diagram(coordinateSystem(extent={{-120,-120},{120,120}})),
     Documentation(revisions="<html><ul>
+  <li>
+    <i>May 26, 2025</i> by Fabian Wuellhorst and Michael Wetter:<br/>
+    Increase error counter only when device should turn on (see issue <a href=
+    \"https://github.com/ibpsa/modelica-ibpsa/issues/2011\">IBPSA #2011</a>)
+  </li>
   <li>
     <i>November 26, 2018</i> by Fabian Wuellhorst:<br/>
     First implementation (see issue <a href=