diff --git a/fhem/contrib/1-Wire/00_OWX.pm b/fhem/contrib/1-Wire/00_OWX.pm
index fb2a3be39..c2effa4ee 100644
--- a/fhem/contrib/1-Wire/00_OWX.pm
+++ b/fhem/contrib/1-Wire/00_OWX.pm
@@ -6,7 +6,7 @@
 # via an active DS2480/DS2490/DS9097U bus master interface or 
 # via a passive DS9097 interface
 #
-# Version 1.10 - March, 2012
+# Version 1.11 - March, 2012
 #
 # Prof. Dr. Peter A. Henning, 2012
 #
@@ -118,7 +118,7 @@ sub OWX_Initialize ($) {
   my ($hash) = @_;
   #-- Provider
   #$hash->{Clients}    = ":OWCOUNT:OWHUB:OWLCD:OWMULTI:OWSWITCH:OWTEMP:";
-  $hash->{Clients}     = ":OWAD:OWID:OWLCD:OWTEMP:";
+  $hash->{Clients}     = ":OWAD:OWCOUNT:OWID:OWLCD:OWTEMP:";
 
   #-- Normal Devices
   $hash->{DefFn}   = "OWX_Define";
@@ -516,7 +516,10 @@ sub OWX_Discover ($) {
         my $name = sprintf "OWX_%s_%s",$owx_f,$owx_rnf;
         #-- Family 10 = Temperature sensor, assume DS1820 as default
         if( $owx_f eq "10" ){
-          CommandDefine(undef,"$name OWTEMP DS1820 $owx_rnf");         
+          CommandDefine(undef,"$name OWTEMP DS1820 $owx_rnf");    
+           #-- Family 1D = Counter/RAM, assume DS2423 as default
+        }elsif( $owx_f eq "1D" ){
+          CommandDefine(undef,"$name OWCOUNT DS2423 $owx_rnf");            
         #-- Family 20 = A/D converter, assume DS2450 as default
         } elsif( $owx_f eq "20" ){
           CommandDefine(undef,"$name OWAD DS2450 $owx_rnf"); 
diff --git a/fhem/contrib/1-Wire/21_OWAD.pm b/fhem/contrib/1-Wire/21_OWAD.pm
index 1f97d9769..bb77b8034 100644
--- a/fhem/contrib/1-Wire/21_OWAD.pm
+++ b/fhem/contrib/1-Wire/21_OWAD.pm
@@ -2,7 +2,7 @@
 #
 # OWAD.pm
 #
-# FHEM module to commmunicate with 1-Wire A/D converters
+# FHEM module to commmunicate with 1-Wire A/D converters DS2450
 #
 # Attention: This module may communicate with the OWX module,
 #            but currently not with the 1-Wire File System OWFS
@@ -14,7 +14,7 @@
 #
 # Prof. Dr. Peter A. Henning, 2012
 # 
-# Version 1.10 - March, 2012
+# Version 1.11 - March, 2012
 #   
 # Setup bus device in fhem.cfg as
 #
@@ -948,7 +948,7 @@ sub OWXAD_GetPage($$) {
 
 ########################################################################################
 #
-# OWXAD_SetPage - Setup one memory page of device
+# OWXAD_SetPage - Set one page of device
 #
 # Parameter hash = hash of device addressed
 #           page = "alarm" or "status"
@@ -1014,7 +1014,7 @@ sub OWXAD_SetPage($$) {
       $select .= sprintf "%c\xFF\xFF\xFF",$sb1;
       $select .= sprintf "%c\xFF\xFF\xFF",$sb2;
     }
-  #=============== wrong pag ewrit eattempt  ===============================
+  #=============== wrong page write attempt  ===============================
   } else {
     return "OWXAD: Wrong memory page write attempt";
   } 
diff --git a/fhem/contrib/1-Wire/21_OWCOUNT.pm b/fhem/contrib/1-Wire/21_OWCOUNT.pm
new file mode 100644
index 000000000..c1a760b4f
--- /dev/null
+++ b/fhem/contrib/1-Wire/21_OWCOUNT.pm
@@ -0,0 +1,744 @@
+########################################################################################
+#
+# OWCOUNT.pm  BETA Version
+#
+# FHEM module to commmunicate with 1-Wire Counter/RAM DS2423
+#
+# Attention: This module may communicate with the OWX module,
+#            but currently not with the 1-Wire File System OWFS
+#
+#
+#  SO FAR ONLY external counter inputs A,B are available ! Neither memory content, nor internal counters are questioned. 
+#
+#
+# Prefixes for subroutines of this module:
+# OW   = General 1-Wire routines  Peter Henning)
+# OWX  = 1-Wire bus master interface (Peter Henning)
+# OWFS = 1-Wire file system (??)
+#
+# Prof. Dr. Peter A. Henning, 2012
+# 
+# Version 1.11 - March, 2012
+#   
+# Setup bus device in fhem.cfg as
+#
+# define <name> OWCOUNT [<model>] <ROM_ID> [interval] 
+#
+# where <name> may be replaced by any name string 
+#     
+#       <model> is a 1-Wire device type. If omitted, we assume this to be an
+#              DS2423 Counter/RAM  
+#       <ROM_ID> is a 12 character (6 byte) 1-Wire ROM ID 
+#                without Family ID, e.g. A2D90D000800 
+#       [interval] is an optional query interval in seconds
+#
+# get <name> id       => FAM_ID.ROM_ID.CRC 
+# get <name> present  => 1 if device present, 0 if not
+# get <name> interval => query interval
+# get <name> counter  A,B => value for counter
+#
+# set <name> interval => set period for measurement
+#
+# Additional attributes are defined in fhem.cfg, in some cases per channel, where <channel>=A,B
+# Note: attributes are read only during initialization procedure - later changes are not used.
+#
+# attr <name> <channel>Name <string>|<string> = name for the channel | a type description for the measured value
+# attr <name> <channel>Unit <string>|<string> = unit of measurement for this channel | its abbreviation 
+# attr <name> <channel>Offset <float> = offset added to the reading in this channel 
+# attr <name> <channel>Factor <float> = factor multiplied to (reading+offset) in this channel 
+#
+########################################################################################
+#
+#  This programm is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  The GNU General Public License can be found at
+#  http://www.gnu.org/copyleft/gpl.html.
+#  A copy is found in the textfile GPL.txt and important notices to the license
+#  from the author is found in LICENSE.txt distributed with these scripts.
+#
+#  This script is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+########################################################################################
+package main;
+
+#-- Prototypes to make komodo happy
+use vars qw{%attr %defs};
+use strict;
+use warnings;
+sub Log($$);
+
+#-- value globals
+my @owg_status;
+my $owg_state;
+#-- channel name - fixed is the first array, variable the second 
+my @owg_fixed = ("A","B");
+my @owg_channel;
+#-- channel values - always the raw values from the device
+my @owg_val;
+
+my %gets = (
+  "id"          => "",
+  "present"     => "",
+  "interval"    => "",
+  #"page"        => "",
+  "counter"     => "",
+);
+
+my %sets = (
+  "interval"    => ""
+  #"page"        => ""
+);
+
+my %updates = (
+  "present"     => "",
+  "counter"     => ""
+);
+
+
+########################################################################################
+#
+# The following subroutines are independent of the bus interface
+#
+# Prefix = OWCOUNT
+#
+########################################################################################
+#
+# OWCOUNT_Initialize
+#
+# Parameter hash = hash of device addressed
+#
+########################################################################################
+
+sub OWCOUNT_Initialize ($) {
+  my ($hash) = @_;
+
+  $hash->{DefFn}   = "OWCOUNT_Define";
+  $hash->{UndefFn} = "OWCOUNT_Undef";
+  $hash->{GetFn}   = "OWCOUNT_Get";
+  $hash->{SetFn}   = "OWCOUNT_Set";
+  #Name        = channel name
+  #Offset      = an offset added to the reading
+  #Factor      = a factor multiplied with (reading+offset)  
+  #Unit        = a unit of measure
+  my $attlist = "IODev do_not_notify:0,1 showtime:0,1 model:DS2450 loglevel:0,1,2,3,4,5 ";
+ 
+  for( my $i=0;$i<int(@owg_fixed);$i++ ){
+    $attlist .= " ".$owg_fixed[$i]."Name";
+    $attlist .= " ".$owg_fixed[$i]."Offset";
+    $attlist .= " ".$owg_fixed[$i]."Factor";
+    $attlist .= " ".$owg_fixed[$i]."Unit";
+  }
+  $hash->{AttrList} = $attlist; 
+}
+
+#########################################################################################
+#
+# OWCOUNT_Define - Implements DefFn function
+# 
+# Parameter hash = hash of device addressed, def = definition string
+#
+#########################################################################################
+
+sub OWCOUNT_Define ($$) {
+  my ($hash, $def) = @_;
+  
+  # define <name> OWCOUNT [<model>] <id> [interval]
+  # e.g.: define flow OWCOUNT 525715020000 300
+  my @a = split("[ \t][ \t]*", $def);
+  
+  my ($name,$model,$fam,$id,$crc,$interval,$scale,$ret);
+  
+  #-- default
+  $name          = $a[0];
+  $interval      = 300;
+  $scale         = "";
+  $ret           = "";
+
+  #-- check syntax
+  return "OWCOUNT: Wrong syntax, must be define <name> OWCOUNT [<model>] <id> [interval]"
+       if(int(@a) < 2 || int(@a) > 5);
+       
+  #-- check if this is an old style definition, e.g. <model> is missing
+  my $a2 = $a[2];
+  my $a3 = defined($a[3]) ? $a[3] : "";
+  if( $a2 =~ m/^[0-9|a-f|A-F]{12}$/ ) {
+    $model         = "DS2423";
+    $id            = $a[2];
+    if(int(@a)>=4) { $interval = $a[3]; }
+  } elsif(  $a3 =~ m/^[0-9|a-f|A-F]{12}$/ ) {
+    $model         = $a[2];
+    return "OWCOUNT: Wrong 1-Wire device model $model"
+      if( $model ne "DS2423");
+    $id            = $a[3];
+  } else {    
+    return "OWCOUNT: $a[0] ID $a[2] invalid, specify a 12 digit value";
+  }
+  
+  #-- 1-Wire ROM identifier in the form "FF.XXXXXXXXXXXX.YY"
+  #   determine CRC Code - only if this is a direct interface
+  $crc = defined($hash->{IODev}->{INTERFACE}) ?  sprintf("%02x",OWX_CRC("1D.".$id."00")) : "00";
+  
+  #-- Define device internals
+  $hash->{ROM_ID}     = "1D.".$id.$crc;
+  $hash->{OW_ID}      = $id;
+  $hash->{OW_FAMILY}  = "1D";
+  $hash->{PRESENT}    = 0;
+  $hash->{INTERVAL}   = $interval;
+  
+  #-- Couple to I/O device
+  AssignIoPort($hash);
+  Log 3, "OWCOUNT: Warning, no 1-Wire I/O device found for $name."
+    if(!defined($hash->{IODev}->{NAME}));
+  $modules{OWCOUNT}{defptr}{$id} = $hash;
+  $hash->{STATE} = "Defined";
+  Log 3, "OWCOUNT:   Device $name defined."; 
+
+  #-- Initialization reading according to interface type
+  my $interface= $hash->{IODev}->{TYPE};
+ 
+  #-- Start timer for initialization in a few seconds
+  InternalTimer(time()+1, "OWCOUNT_InitializeDevice", $hash, 0);
+  
+  #-- Start timer for updates
+  InternalTimer(time()+$hash->{INTERVAL}, "OWCOUNT_GetValues", $hash, 0);
+
+  return undef; 
+}
+
+########################################################################################
+#
+# OWCOUNT_InitializeDevice - delayed setting of initial readings and channel names  
+#
+#  Parameter hash = hash of device addressed
+#
+########################################################################################
+
+sub OWCOUNT_InitializeDevice($) {
+  my ($hash) = @_;
+  
+  my $name   = $hash->{NAME};
+    
+  #-- Initial readings 
+  @owg_val   = (0.0,0.0,0.0,0.0);
+   
+  #-- Set channel names, channel units and alarm values
+  for( my $i=0;$i<int(@owg_fixed);$i++) { 
+    #-- name
+    my $cname = defined($attr{$name}{$owg_fixed[$i]."Name"})  ? $attr{$name}{$owg_fixed[$i]."Name"} : $owg_fixed[$i]."|event";
+    my @cnama = split(/\|/,$cname);
+    Log 1, "OWCOUNT: InitializeDevice with insufficient name specification $cname"
+      if( int(@cnama)!=2 );
+    $owg_channel[$i] = $cnama[0];  
+    #-- unit
+    my $unit = defined($attr{$name}{$owg_fixed[$i]."Unit"})  ? $attr{$name}{$owg_fixed[$i]."Unit"} : "counts|";
+    my @unarr= split(/\|/,$unit);
+    #Log 1, "OWCOUNT: InitializeDevice with insufficient unit specification $unit"
+    #  if( int(@unarr)!=2 );
+    #-- offset and scale factor 
+    my $offset  = defined($attr{$name}{$owg_fixed[$i]."Offset"}) ? $attr{$name}{$owg_fixed[$i]."Offset"} : 0;
+    my $factor  = defined($attr{$name}{$owg_fixed[$i]."Factor"}) ? $attr{$name}{$owg_fixed[$i]."Factor"} : 1; 
+    #-- put into readings
+    $hash->{READINGS}{"$owg_channel[$i]"}{TYPE}     = defined($cnama[1]) ? $cnama[1] : "unknown";  
+    $hash->{READINGS}{"$owg_channel[$i]"}{UNIT}     = $unarr[0];
+    $hash->{READINGS}{"$owg_channel[$i]"}{UNITABBR} = defined($unarr[1]) ? $unarr[1] : "?";
+    $hash->{READINGS}{"$owg_channel[$i]"}{OFFSET}   = $offset;  
+    $hash->{READINGS}{"$owg_channel[$i]"}{FACTOR}   = $factor;  
+  }
+  
+  #-- set status according to interface type
+  my $interface= $hash->{IODev}->{TYPE};
+  
+  #-- OWX interface
+  if( !defined($interface) ){
+    return "OWCOUNT: Interface missing";
+  } elsif( $interface eq "OWX" ){
+  #-- OWFS interface
+  #}elsif( $interface eq "OWFS" ){
+  #  $ret = OWFSAD_GetPage($hash,"reading");
+  #-- Unknown interface
+  }else{
+    return "OWCOUNT: InitializeDevice with wrong IODev type $interface";
+  }
+
+  #-- Initialize all the display stuff  
+  OWCOUNT_FormatValues($hash);
+}
+
+########################################################################################
+#
+# OWCOUNT_FormatValues - put together various format strings 
+#
+#  Parameter hash = hash of device addressed, fs = format string
+#
+########################################################################################
+
+sub OWCOUNT_FormatValues($) {
+  my ($hash) = @_;
+  
+  my $name    = $hash->{NAME}; 
+  my ($offset,$factor,$vval);
+  my ($value1,$value2,$value3)   = ("","","");
+  my $galarm = 0;
+
+  my $tn = TimeNow();
+  
+  #-- formats for output
+  for (my $i=0;$i<int(@owg_fixed);$i++){
+    $offset = $hash->{READINGS}{"$owg_channel[$i]"}{OFFSET};  
+    $factor = $hash->{READINGS}{"$owg_channel[$i]"}{FACTOR};
+    #-- correct values for proper offset, factor 
+    $vval    = int(($owg_val[$i] + $offset)*$factor*1000)/1000;; 
+    #-- put into READINGS
+    $hash->{READINGS}{"$owg_channel[$i]"}{VAL}   = $vval;
+    $hash->{READINGS}{"$owg_channel[$i]"}{TIME}  = $tn;
+         
+    #-- string buildup for return value and STATE
+    $value1 .= sprintf( "%s: %5.3f %s", $owg_channel[$i], $vval,$hash->{READINGS}{"$owg_channel[$i]"}{UNITABBR});
+    $value2 .= sprintf( "%s: %5.2f %s ", $owg_channel[$i], $vval,$hash->{READINGS}{"$owg_channel[$i]"}{UNITABBR});
+    $value3 .= sprintf( "%s: " , $owg_channel[$i]);
+    
+    #-- insert comma
+    if( $i<3 ){
+      $value1 .= " ";
+      $value2 .= ", ";
+      $value3 .= ", ";
+    }
+  }
+  #-- STATE
+  $hash->{STATE} = $value2;
+ 
+  return $value1;
+}
+
+########################################################################################
+#
+# OWCOUNT_Get - Implements GetFn function 
+#
+#  Parameter hash = hash of device addressed, a = argument array
+#
+########################################################################################
+
+sub OWCOUNT_Get($@) {
+  my ($hash, @a) = @_;
+  
+  my $reading = $a[1];
+  my $name    = $hash->{NAME};
+  my $model   = $hash->{OW_MODEL};
+  my ($value,$value2,$value3)   = (undef,undef,undef);
+  my $ret     = "";
+  my $offset;
+  my $factor;
+
+  #-- check syntax
+  return "OWCOUNT: Get argument is missing @a"
+    if(int(@a) < 2);
+    
+  #-- check argument
+  return "OWCOUNT: Get with unknown argument $a[1], choose one of ".join(",", sort keys %gets)
+    if(!defined($gets{$a[1]}));
+
+  #-- get id
+  if($a[1] eq "id") {
+    $value = $hash->{ROM_ID};
+     return "$a[0] $reading => $value";
+  } 
+  
+  #-- get present
+  if($a[1] eq "present") {
+    #-- hash of the busmaster
+    my $master       = $hash->{IODev};
+    $value           = OWX_Verify($master,$hash->{ROM_ID});
+    $hash->{PRESENT} = $value;
+    return "$a[0] $reading => $value";
+  } 
+
+  #-- get interval
+  if($a[1] eq "interval") {
+    $value = $hash->{INTERVAL};
+     return "$a[0] $reading => $value";
+  } 
+  
+  #-- reset presence
+  $hash->{PRESENT}  = 0;
+  
+  #-- get memory page/counter according to interface type
+  my $interface= $hash->{IODev}->{TYPE};
+  
+  #-- check syntax for getting counter
+  if( $reading eq "counter" ){
+    return "OWCOUNT: get needs parameter when reading counter: <channel>"
+      if( int(@a)<2 );
+    #-- channle may be addressed by bare channel name (A..D) or by defined channel name
+    return "OWCOUNT: invalid counter address, must be A or B"
+      if( !($a[2] =~ m/[AB]/) );    
+    my $page = ($a[2] eq "A") ? 14 : 15;
+
+    #-- OWX interface
+    if( $interface eq "OWX" ){
+      $ret = OWXCOUNT_GetPage($hash,$page);
+    #-- OWFS interface
+    #}elsif( $interface eq "OWFS" ){
+    #  $ret = OWFSAD_GetPage($hash,"reading");
+    #-- Unknown interface
+    }else{
+      return "OWCOUNT: Get with wrong IODev type $interface";
+    }
+  
+    #-- process results
+    if( defined($ret)  ){
+      return "OWCOUNT: Could not get values from device $name";
+    }
+    $hash->{PRESENT} = 1; 
+    return "OWCOUNT: $name.$reading => ".OWCOUNT_FormatValues($hash);
+  }
+  
+ 
+}
+
+#######################################################################################
+#
+# OWCOUNT_GetValues - Updates the reading from one device
+#
+# Parameter hash = hash of device addressed
+#
+########################################################################################
+
+sub OWCOUNT_GetValues($) {
+  my $hash    = shift;
+  
+  my $name    = $hash->{NAME};
+  my $model   = $hash->{OW_MODEL};
+  my $value   = "";
+  my $ret     = "";
+  my $offset;
+  my $factor;
+  
+  #-- define warnings
+  my $warn        = "none";
+  $hash->{ALARM}  = "0";
+
+  #-- restart timer for updates
+  RemoveInternalTimer($hash);
+  InternalTimer(time()+$hash->{INTERVAL}, "OWCOUNT_GetValues", $hash, 1);
+  
+  #-- reset presence
+  $hash->{PRESENT}  = 0;
+  
+  #-- Get readings, alarms and stati according to interface type
+  my $interface= $hash->{IODev}->{TYPE};
+  if( $interface eq "OWX" ){
+    $ret = OWXAD_GetPage($hash,"reading");
+    $ret = OWXAD_GetPage($hash,"status");
+  #}elsif( $interface eq "OWFS" ){
+  #  $ret = OWFSAD_GetValues($hash);
+  }else{
+    return "OWCOUNT: GetValues with wrong IODev type $interface";
+  }
+  
+  #-- process results
+  if( defined($ret)  ){
+    return "OWCOUNT: Could not get values from device $name";
+  }
+  $hash->{PRESENT} = 1; 
+  $value=OWCOUNT_FormatValues($hash);
+  #--logging
+  Log 5, $value;
+  $hash->{CHANGED}[0] = $value;
+  
+  DoTrigger($name, undef);
+  
+  return undef;
+}
+
+#######################################################################################
+#
+# OWCOUNT_Set - Set one value for device
+#
+#  Parameter hash = hash of device addressed
+#            a = argument array
+#
+########################################################################################
+
+sub OWCOUNT_Set($@) {
+  my ($hash, @a) = @_;
+  
+  my $key     = $a[1];
+  my $value   = $a[2];
+  
+  #-- for the selector: which values are possible
+  if (@a == 2){
+    my $newkeys = join(" ", sort keys %sets);
+    for( my $i=0;$i<4;$i++ ){
+      $newkeys .= " ".$owg_channel[$i]."Alarm";
+      $newkeys .= " ".$owg_channel[$i]."Low";
+      $newkeys .= " ".$owg_channel[$i]."High";
+    }
+    return $newkeys ;    
+  }
+  
+  #-- check syntax
+  return "OWCOUNT: Set needs one parameter when setting this value"
+    if( int(@a)!=3 );
+  
+  #-- check argument
+  if( !defined($sets{$a[1]}) && !($key =~ m/.*(Alarm|Low|High)/) ){
+        return "OWCOUNT: Set with unknown argument $a[1]";
+  }
+  
+  #-- define vars
+  my $ret     = undef;
+  my $channel = undef;
+  my $channo  = undef;
+  my $factor;
+  my $offset;
+  my $condx;
+  my $name    = $hash->{NAME};
+  my $model   = $hash->{OW_MODEL};
+ 
+ #-- set new timer interval
+  if($key eq "interval") {
+    # check value
+    return "OWCOUNT: Set with short interval, must be > 1"
+      if(int($value) < 1);
+    # update timer
+    $hash->{INTERVAL} = $value;
+    RemoveInternalTimer($hash);
+    InternalTimer(gettimeofday()+$hash->{INTERVAL}, "OWCOUNT_GetValues", $hash, 1);
+    return undef;
+  }
+  
+  #-- find out which channel we have
+  my $tc =$key;
+  if( $tc =~ s/(.*)(Alarm|Low|High)/$channel=$1/se ) {
+    for (my $i=0;$i<4;$i++){
+      if( $tc eq $owg_channel[$i] ){
+        $channo  = $i;
+        $channel = $tc;
+        last;
+     }
+   }
+  }
+  return "OWCOUNT: Cannot determine channel from parameter $a[1]"
+    if( !(defined($channo)));  
+    
+  #-- set these values depending on interface type
+  my $interface= $hash->{IODev}->{TYPE};
+        
+    #-- OWX interface
+    if( $interface eq "OWX" ){
+      $ret = OWXAD_SetPage($hash,"status");
+      return $ret
+        if(defined($ret));
+    #-- OWFS interface
+    #}elsif( $interface eq "OWFS" ){
+    #  $ret = OWFSAD_SetValues($hash,@a);
+    #  return $ret
+    #    if(defined($ret));
+    } else {
+      return "OWCOUNT: Set with wrong IODev type $interface";
+    }
+  
+  #-- process results
+ 
+  $hash->{PRESENT} = 1; 
+  OWCOUNT_FormatValues($hash);  
+ 
+  Log 4, "OWCOUNT: Set $hash->{NAME} $key $value";
+  return undef;
+}
+
+########################################################################################
+#
+# OWCOUNT_Undef - Implements UndefFn function
+#
+# Parameter hash = hash of device addressed
+#
+########################################################################################
+
+sub OWCOUNT_Undef ($) {
+  my ($hash) = @_;
+  delete($modules{OWCOUNT}{defptr}{$hash->{OW_ID}});
+  RemoveInternalTimer($hash);
+  return undef;
+}
+
+########################################################################################
+#
+# The following subroutines in alphabetical order are only for a 1-Wire bus connected 
+# via OWFS
+#
+# Prefix = OWFSCOUNT
+#
+########################################################################################
+
+
+
+
+
+########################################################################################
+#
+# The following subroutines in alphabetical order are only for a 1-Wire bus connected 
+# directly to the FHEM server
+#
+# Prefix = OWXAD
+#
+########################################################################################
+#
+# OWXAD_GetPage - Get one memory page + counter from device
+#
+# Parameter hash = hash of device addressed
+#           page = "reading", "alarm" or "status"
+#
+########################################################################################
+
+sub OWXCOUNT_GetPage($$) {
+
+  my ($hash,$page) = @_;
+  
+  #-- For now, switch on conversion command
+  my $con=1;
+  
+  my ($select, $res, $res2, $res3, @data);
+  
+  #-- ID of the device
+  my $owx_dev = $hash->{ROM_ID};
+  my $owx_rnf = substr($owx_dev,3,12);
+  my $owx_f   = substr($owx_dev,0,2);
+  
+  #-- hash of the busmaster
+  my $master = $hash->{IODev};
+  
+  my ($i,$j,$k);
+
+  #-- 8 byte 1-Wire device address
+  my @owx_ROM_ID  =(0,0,0,0 ,0,0,0,0); 
+  #-- from search string to byte id
+  my $devs=$owx_dev;
+  $devs=~s/\.//g;
+  for($i=0;$i<8;$i++){
+     $owx_ROM_ID[$i]=hex(substr($devs,2*$i,2));
+  }
+
+  #=============== wrong value requested ===============================
+  if( ($page<0) || ($page>15) ){
+    return "OWXCOUNT: Wrong memory page requested";
+  } 
+  #=============== get memory + counter ===============================
+  #-- issue the match ROM command \x55 and the read memory + counter command
+  #   \xA5 TA1 TA2 reading 40 data bytes and 2 CRC bytes
+  my $ta2 = ($page*32) >> 8;
+  my $ta1 = ($page*32) & 255;
+  print "getting page Nr. $ta2 $ ta1\n";
+  $select=sprintf("\x55%c%c%c%c%c%c%c%c\xA5%c%c",
+    @owx_ROM_ID,$ta1,$ta2);   
+  #-- reset the bus
+  OWX_Reset($master);
+  #-- read the data
+  $res=OWX_Block($master,$select);
+  if( $res eq 0 ){
+    return "OWX: Device $owx_dev not accessible in reading $page page"; 
+  }
+  
+  #-- process results
+  print "Have received ".length($res)." bytes\n";
+  
+  #-- get 32 bytes
+  $select="";
+  for( $i=0;$i<42;$i++){
+    $select .= "\xFF";
+  }
+  #-- read the data
+  $res=OWX_Block($master,$select);
+  
+   #-- process results
+  print "Have received ".length($res)." bytes\n";
+  
+  #-- get 10 bytes
+  $select="";
+  for( $i=0;$i<10;$i++){
+    $select .= "\xFF";
+  }
+  #-- read the data
+  $res=OWX_Block($master,$select);
+    
+  #-- reset the bus
+  OWX_Reset($master);
+
+  #-- process results
+  print "Have received ".length($res)." bytes\n";
+  @data=split(//,$res);
+  if ( ($data[4] | $data[5] | $data[6] | $data[7]) ne "\x00" ){
+    return "OWXCOUNT: Device $owx_dev returns invalid data";
+  }
+  
+  #-- for now ignore memory and only use counter
+  
+  my $value = ord($data[3])*4096 + ord($data[2])*256 +ord($data[1])*16 + ord($data[0]);
+  print "Value received = $value\n";
+  return undef
+}
+
+########################################################################################
+#
+# OWXCOUNT_SetPage - Set one memory page of device
+#
+# Parameter hash = hash of device addressed
+#           page = "alarm" or "status"
+#
+########################################################################################
+
+sub OWXCOUNT_SetPage($$) {
+
+  my ($hash,$page) = @_;
+  
+  my ($select, $res, $res2, $res3, @data);
+  
+  #-- ID of the device
+  my $owx_dev = $hash->{ROM_ID};
+  my $owx_rnf = substr($owx_dev,3,12);
+  my $owx_f   = substr($owx_dev,0,2);
+  
+  #-- hash of the busmaster
+  my $master = $hash->{IODev};
+  
+  my ($i,$j,$k);
+
+  #-- 8 byte 1-Wire device address
+  my @owx_ROM_ID  =(0,0,0,0 ,0,0,0,0); 
+  #-- from search string to byte id
+  my $devs=$owx_dev;
+  $devs=~s/\.//g;
+  for($i=0;$i<8;$i++){
+     $owx_ROM_ID[$i]=hex(substr($devs,2*$i,2));
+  }
+  
+  #=============== set the alarm values ===============================
+  if ( $page eq "test" ) {
+    #-- issue the match ROM command \x55 and the set alarm page command 
+    #   \x55\x10\x00 reading 8 data bytes and 2 CRC bytes
+    $select=sprintf("\x55%c%c%c%c%c%c%c%c\x55\x10\x00",
+      @owx_ROM_ID); 
+ 
+  #=============== wrong page write attempt  ===============================
+  } else {
+    return "OWXCOUNT: Wrong memory page write attempt";
+  } 
+  
+  OWX_Reset($master);
+  $res=OWX_Block($master,$select);
+  
+  #-- process results
+  if( $res eq 0 ){
+    return "OWXCOUNT: Device $owx_dev not accessible for writing"; 
+  }
+  
+  return undef;
+}
+
+1;
diff --git a/fhem/contrib/1-Wire/21_OWID.pm b/fhem/contrib/1-Wire/21_OWID.pm
index 6ef247b53..e71d1d23a 100644
--- a/fhem/contrib/1-Wire/21_OWID.pm
+++ b/fhem/contrib/1-Wire/21_OWID.pm
@@ -12,7 +12,7 @@
 #
 # Prof. Dr. Peter A. Henning, 2012
 # 
-# Version 1.10 - March, 2012
+# Version 1.11 - March, 2012
 #   
 # Setup bus device in fhem.cfg as
 #
diff --git a/fhem/contrib/1-Wire/21_OWLCD.pm b/fhem/contrib/1-Wire/21_OWLCD.pm
index d5b1466d6..b41d67fd8 100644
--- a/fhem/contrib/1-Wire/21_OWLCD.pm
+++ b/fhem/contrib/1-Wire/21_OWLCD.pm
@@ -12,7 +12,7 @@
 #
 # Prof. Dr. Peter A. Henning, 2012
 # 
-# Version 1.10 - March, 2012
+# Version 1.11 - March, 2012
 #   
 # Setup bus device in fhem.cfg as
 #
@@ -163,13 +163,17 @@ sub OWLCD_Define ($$) {
 
   #-- Initialization reading according to interface type
   my $interface= $hash->{IODev}->{TYPE};
-  
-  OWXLCD_InitializeDevice($hash);
-  #-- set backlight on
-  OWXLCD_SetFunction($hash,"bklon",0); 
-  #-- erase all icons
-  OWXLCD_SetIcon($hash,0,0);
- 
+  #-- OWX interface
+  if( $interface eq "OWX" ){
+    OWXLCD_InitializeDevice($hash);
+    #-- set backlight on
+    OWXLCD_SetFunction($hash,"bklon",0); 
+    #-- erase all icons
+    OWXLCD_SetIcon($hash,0,0);
+  #-- Unknown interface
+  }else{
+    return "OWLCD: Wrong IODev type $interface";
+  }
   $hash->{STATE} = "Initialized";
   return undef; 
 }
diff --git a/fhem/contrib/1-Wire/21_OWTEMP.pm b/fhem/contrib/1-Wire/21_OWTEMP.pm
index 9ee477be7..70bf0aae9 100644
--- a/fhem/contrib/1-Wire/21_OWTEMP.pm
+++ b/fhem/contrib/1-Wire/21_OWTEMP.pm
@@ -2,7 +2,7 @@
 #
 # OWTEMP.pm
 #
-# FHEM module to commmunicate with 1-Wire temperature sensors
+# FHEM module to commmunicate with 1-Wire temperature sensors DS1820, DS18S20, DS18B20, DS1822
 #
 # Attention: This module works as a replacement for the standard 21_OWTEMP.pm,
 #            therefore may communicate with the 1-Wire File System OWFS,
@@ -16,7 +16,7 @@
 # Prof. Dr. Peter A. Henning, 2012
 # Martin Fischer, 2011
 # 
-# Version 1.10 - March, 2012
+# Version 1.11 - March, 2012
 #   
 # Setup bus device in fhem.cfg as
 #