diff --git a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/binary-channel-config.xml b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/binary-channel-config.xml
index 31246803..8f68ed0f 100644
--- a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/binary-channel-config.xml
+++ b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/binary-channel-config.xml
@@ -27,13 +27,14 @@
       <description>Type of discrete register to read or write.</description>
       <options>
         <option value="X">X: (DI) Digital input</option>
+        <option value="Y">Y: (DO) Digital output</option>
         <option value="M">M: Internal relay</option>
         <option value="S">S: Step relay</option>
         <option value="T">T: Timer contact</option>
         <option value="C">C: Counter contact</option>
       </options>
     </parameter>
-    <parameter name="index" type="integer" required="true">
+    <parameter name="index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
diff --git a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/color16-channel-config.xml b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/color16-channel-config.xml
index 888e543f..df310340 100644
--- a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/color16-channel-config.xml
+++ b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/color16-channel-config.xml
@@ -48,7 +48,7 @@
         <option value="WC">WC: Counter discrete data register (16 bit)</option>
       </options>
     </parameter>
-    <parameter name="color1index" type="integer" required="true">
+    <parameter name="color1index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
@@ -75,7 +75,7 @@
         <option value="WC">WC: Counter discrete data register (16 bit)</option>
       </options>
     </parameter>
-    <parameter name="color2index" type="integer" required="true">
+    <parameter name="color2index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
@@ -102,13 +102,13 @@
         <option value="WC">WC: Counter discrete data register (16 bit)</option>
       </options>
     </parameter>
-    <parameter name="color3index" type="integer" required="true">
+    <parameter name="color3index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
     </parameter>
 
-    <parameter name="step" type="decimal" required="false">
+    <parameter name="step" type="decimal" required="false" min="0">
       <label>Step</label>
       <description>Value assumed for increase/decrease command.</description>
       <default>5</default>
@@ -137,7 +137,7 @@
         <option value="C">C: Counter contact</option>
       </options>
     </parameter>
-    <parameter name="switcherIndex" type="integer" groupName="switcher">
+    <parameter name="switcherIndex" type="integer" groupName="switcher" min="0">
       <label>Register index</label>
       <description>Index of register used to write data.</description>
       <default>0</default>
diff --git a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/color32-channel-config.xml b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/color32-channel-config.xml
index fc4a0908..284e3887 100644
--- a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/color32-channel-config.xml
+++ b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/color32-channel-config.xml
@@ -48,7 +48,7 @@
         <option value="DWC">DWC: Counter discrete data register (32 bit)</option>
       </options>
     </parameter>
-    <parameter name="color1index" type="integer" required="true">
+    <parameter name="color1index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
@@ -75,7 +75,7 @@
         <option value="DWC">DWC: Counter discrete data register (32 bit)</option>
       </options>
     </parameter>
-    <parameter name="color2index" type="integer" required="true">
+    <parameter name="color2index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
@@ -102,13 +102,13 @@
         <option value="DWC">DWC: Counter discrete data register (32 bit)</option>
       </options>
     </parameter>
-    <parameter name="color3index" type="integer" required="true">
+    <parameter name="color3index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
     </parameter>
 
-    <parameter name="step" type="decimal" required="false">
+    <parameter name="step" type="decimal" required="false" min="0">
       <label>Step</label>
       <description>Value assumed for increase/decrease command.</description>
       <default>5</default>
@@ -137,7 +137,7 @@
         <option value="C">C: Counter contact</option>
       </options>
     </parameter>
-    <parameter name="switcherIndex" type="integer" groupName="switcher">
+    <parameter name="switcherIndex" type="integer" groupName="switcher" min="0">
       <label>Register index</label>
       <description>Index of register used to write data.</description>
       <default>0</default>
diff --git a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/contact-channel-config.xml b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/contact-channel-config.xml
index 6de5c92d..49b3d55d 100644
--- a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/contact-channel-config.xml
+++ b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/contact-channel-config.xml
@@ -34,7 +34,7 @@
         <option value="C">C: Counter contact</option>
       </options>
     </parameter>
-    <parameter name="index" type="integer" required="true">
+    <parameter name="index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
diff --git a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/data16-channel-config.xml b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/data16-channel-config.xml
index c2d21ab0..dd7d9d55 100644
--- a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/data16-channel-config.xml
+++ b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/data16-channel-config.xml
@@ -42,7 +42,7 @@
         <option value="WC">WC: Counter discrete data register (16 bit)</option>
      </options>
     </parameter>
-    <parameter name="index" type="integer" required="true">
+    <parameter name="index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
diff --git a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/data32-channel-config.xml b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/data32-channel-config.xml
index 0548d00f..00f46475 100644
--- a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/data32-channel-config.xml
+++ b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/data32-channel-config.xml
@@ -42,7 +42,7 @@
         <option value="DWC">DWC: Counter discrete data register (32 bit)</option>
       </options>
     </parameter>
-    <parameter name="index" type="integer" required="true">
+    <parameter name="index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
diff --git a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/percent16-channel-config.xml b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/percent16-channel-config.xml
index e63b7878..3c8345a8 100644
--- a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/percent16-channel-config.xml
+++ b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/percent16-channel-config.xml
@@ -42,7 +42,7 @@
         <option value="WC">WC: Counter discrete data register (16 bit)</option>
      </options>
     </parameter>
-    <parameter name="index" type="integer" required="true">
+    <parameter name="index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
diff --git a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/percent32-channel-config.xml b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/percent32-channel-config.xml
index 512d0bfa..1bfdb2a5 100644
--- a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/percent32-channel-config.xml
+++ b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/percent32-channel-config.xml
@@ -42,7 +42,7 @@
         <option value="DWC">DWC: Counter discrete data register (32 bit)</option>
       </options>
     </parameter>
-    <parameter name="index" type="integer" required="true">
+    <parameter name="index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
diff --git a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/rollershutter16-channel-config.xml b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/rollershutter16-channel-config.xml
index 086a56b6..ab301eeb 100644
--- a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/rollershutter16-channel-config.xml
+++ b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/rollershutter16-channel-config.xml
@@ -51,7 +51,7 @@
         <option value="WC">WC: Counter discrete data register (16 bit)</option>
       </options>
     </parameter>
-    <parameter name="index" type="integer" required="true">
+    <parameter name="index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
@@ -80,7 +80,7 @@
         <option value="C">C: Counter contact</option>
       </options>
     </parameter>
-    <parameter name="startIndex" type="integer" groupName="start">
+    <parameter name="startIndex" type="integer" groupName="start" min="0">
       <label>Register index</label>
       <description>Index of register used to write data.</description>
       <default>0</default>
@@ -104,7 +104,7 @@
         <option value="C">C: Counter contact</option>
       </options>
     </parameter>
-    <parameter name="stopIndex" type="integer" groupName="stop">
+    <parameter name="stopIndex" type="integer" groupName="stop" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
diff --git a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/rollershutter32-channel-config.xml b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/rollershutter32-channel-config.xml
index 81c8ac2a..0a963631 100644
--- a/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/rollershutter32-channel-config.xml
+++ b/bundles/org.connectorio.addons.binding.fatek/src/main/resources/OH-INF/config/rollershutter32-channel-config.xml
@@ -51,7 +51,7 @@
         <option value="DWC">DWC: Counter discrete data register (32 bit)</option>
       </options>
     </parameter>
-    <parameter name="index" type="integer" required="true">
+    <parameter name="index" type="integer" required="true" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>
@@ -80,7 +80,7 @@
         <option value="C">C: Counter contact</option>
       </options>
     </parameter>
-    <parameter name="startIndex" type="integer" groupName="start">
+    <parameter name="startIndex" type="integer" groupName="start" min="0">
       <label>Register index</label>
       <description>Index of register used to write data.</description>
       <default>0</default>
@@ -104,7 +104,7 @@
         <option value="C">C: Counter contact</option>
       </options>
     </parameter>
-    <parameter name="stopIndex" type="integer" groupName="stop">
+    <parameter name="stopIndex" type="integer" groupName="stop" min="0">
       <label>Register index</label>
       <description>Index of register used to retrieve data.</description>
       <default>0</default>