diff --git a/fhem/contrib/HMCCU/CHANGED b/fhem/contrib/HMCCU/CHANGED
index 4ee221978..4365c2e36 100644
--- a/fhem/contrib/HMCCU/CHANGED
+++ b/fhem/contrib/HMCCU/CHANGED
@@ -1,4 +1,6 @@
- - bugfix:  88_HMCCU.pm: Fixed some bux in version 5.0
+ 
+ - bugfix:  88_HMCCU.pm: Fixed some bugs in version 5.0
+ - bugfix:  88_HMCCU.pm: Fixed some bugs in version 5.0
  - bugfix:  88_HMCCU.pm: Version 5.0
  - bugfix:  88_HMCCU.pm: Release candidate 7
  - bugfix:  88_HMCCU.pm: Release candidate 6
@@ -7,4 +9,6 @@
  - bugfix:  88_HMCCU.pm: Release candidate 3
  - bugfix:  88_HMCCU.pm: Release candidate 2
  - bugfix:  88_HMCCU.pm: Fixed bug in set defaults command
+ - bugfix:  88_HMCCU.pm: Fixed state-/controldatapoint bug at FHEM start
+ - bugfix:  88_HMCCU.pm: Fixed some bugs. New command set readingFilter
  - bugfix:  88_HMCCU.pm: Fixed device detection bugs
diff --git a/fhem/contrib/HMCCU/FHEM/88_HMCCU.pm b/fhem/contrib/HMCCU/FHEM/88_HMCCU.pm
index 372ca1237..48b5ee703 100644
--- a/fhem/contrib/HMCCU/FHEM/88_HMCCU.pm
+++ b/fhem/contrib/HMCCU/FHEM/88_HMCCU.pm
@@ -1712,7 +1712,7 @@ sub HMCCU_Get ($@)
 	my $rc;
 	
 	if ($opt eq 'vars') {
-		my $varname = shift @$a // return HMCCU_SetError ($hash, "Usage: get $name vars {regexp}[,...]");
+		my $varname = shift @$a // return HMCCU_SetError ($hash, "Usage: get $name vars {regexp}");
 		($rc, $result) = HMCCU_GetVariables ($hash, $varname);
 		return HMCCU_SetError ($hash, $rc, $result) if ($rc < 0);
 		return HMCCU_SetState ($hash, 'OK', $result);
@@ -10396,7 +10396,8 @@ sub HMCCU_MaxHashEntries ($$)
          time consuming.
       </li><br/>
       <li><b>get &lt;name&gt; vars &lt;regexp&gt;</b><br/>
-         Get CCU system variables matching <i>regexp</i> and store them as readings.
+         Get CCU system variables matching <i>regexp</i> and store them as readings. Use attribute
+		 ccuGetVars to fetch variables periodically.
       </li>
    </ul>
    <br/>
@@ -10505,7 +10506,7 @@ sub HMCCU_MaxHashEntries ($$)
          is queried. Default is 'Value'. Method for write access to datapoints is always
          'State'.
       </li><br/>
-      <li><b>ccuGetVars &lt;interval&gt;[&lt;pattern&gt;]</b><br/>
+      <li><b>ccuGetVars &lt;interval&gt;:[&lt;pattern&gt;]</b><br/>
       	Read CCU system variables periodically and update readings. If pattern is specified
       	only variables matching this expression are stored as readings.
       </li><br/>
diff --git a/fhem/contrib/HMCCU/FHEM/HMCCUConf.pm b/fhem/contrib/HMCCU/FHEM/HMCCUConf.pm
index dd79f04ea..fc0d9ac51 100644
--- a/fhem/contrib/HMCCU/FHEM/HMCCUConf.pm
+++ b/fhem/contrib/HMCCU/FHEM/HMCCUConf.pm
@@ -1765,7 +1765,7 @@ if (oSV) {
 		code        => qq(
 object osysvar;
 string ssysvarid;
-foreach (ssysvarid, (dom.GetObject(ID_SYSTEM_VARIABLES)).EnumUsedIDs()) {
+foreach (ssysvarid, (dom.GetObject(ID_SYSTEM_VARIABLES)).EnumIDs()) {
   osysvar = dom.GetObject(ssysvarid);
   Write(osysvar.Name());
   if(osysvar.ValueSubType() == 6) {
@@ -1784,7 +1784,7 @@ foreach (ssysvarid, (dom.GetObject(ID_SYSTEM_VARIABLES)).EnumUsedIDs()) {
 		parameters  => 0,
 		code        => qq(
 string sSysVarId;
-foreach (sSysVarId, (dom.GetObject(ID_SYSTEM_VARIABLES)).EnumUsedIDs()) {
+foreach (sSysVarId, (dom.GetObject(ID_SYSTEM_VARIABLES)).EnumIDs()) {
   object oSysVar = dom.GetObject(sSysVarId);
   Write(oSysVar.Name());               
   if (oSysVar.ValueSubType() == 6) {
diff --git a/fhem/contrib/HMCCU/controls_HMCCU.txt b/fhem/contrib/HMCCU/controls_HMCCU.txt
index e69df7c87..d363d3a25 100644
--- a/fhem/contrib/HMCCU/controls_HMCCU.txt
+++ b/fhem/contrib/HMCCU/controls_HMCCU.txt
@@ -1,5 +1,5 @@
 UPD 2021-09-09_19:12:29 103713 FHEM/88_HMCCURPCPROC.pm
-UPD 2021-09-09_18:45:27 84909 FHEM/HMCCUConf.pm
+UPD 2021-09-11_15:40:16 84901 FHEM/HMCCUConf.pm
 UPD 2021-09-02_19:33:39 43994 FHEM/88_HMCCUCHN.pm
-UPD 2021-09-08_20:42:05 358142 FHEM/88_HMCCU.pm
+UPD 2021-09-11_16:31:05 358198 FHEM/88_HMCCU.pm
 UPD 2021-09-02_19:33:39 31267 FHEM/88_HMCCUDEV.pm