diff --git a/fhem/FHEM/10_ZWave.pm b/fhem/FHEM/10_ZWave.pm
index 32228ebd3..5f579cfa2 100755
--- a/fhem/FHEM/10_ZWave.pm
+++ b/fhem/FHEM/10_ZWave.pm
@@ -74,6 +74,7 @@ my %zwave_class = (
                "..2601ff.."=> "state:setOn",
                "..260420"  => "state:swmBeginUp",
                "..260460"  => "state:swmBeginDown",
+               "..2604(..)(..)(..)(..)"  => 'ZWave_swmParse($1,$2,$3,$4)',
                "..2605"    => "state:swmEnd" } },
   SWITCH_ALL               => { id => '27',
     set   => { swaIncludeNone  => "0100",
@@ -1995,6 +1996,18 @@ ZWave_SetClasses($$$$)
   return "";
 }
 
+sub
+ZWave_swmParse($$$$)
+{
+  my ($fl, $sl, $dur, $step)=@_;
+  my $fl1 = (hex($fl) & 0x18)>>3;
+  my $fl2 = (hex($fl) & 0xc0)>>6;
+  $fl = ($fl1==0 ? "Increment": $fl1==1 ? "Decrement" : "")." ".
+        ($fl2==0 ? "Up":  $fl1==1 ? "Down" : "");
+  return sprintf("state:swm %s Start: %d Duration: %d Step: %d", 
+        $fl, hex($sl), hex($dur), hex($step));
+}
+
 sub
 ZWave_sceneParse($)
 {
@@ -5206,6 +5219,8 @@ s2Hex($)
   <li>state:dim value</li>
   <li>state:swmBeginUp</li>
   <li>state:swmBeginDown</li>
+  <li>state:swm [Decrement|Increment] [Up|Down] 
+                Start: $sl Duration: $dur Step: $step</li>
   <li>state:swmEnd</li>
 
   <br><br><b>Class THERMOSTAT_MODE</b>