diff --git a/fhem/FHEM/OWX_DS2480.pm b/fhem/FHEM/OWX_DS2480.pm
index 2428ff3eb..a7caf88ca 100644
--- a/fhem/FHEM/OWX_DS2480.pm
+++ b/fhem/FHEM/OWX_DS2480.pm
@@ -219,10 +219,6 @@ sub response_ready() {
     main::Log3($serial->{name},5, "OWX_DS2480 read: After loop no. $serial->{num_reads} received: ".unpack("H*",$serial->{string_in}));
     return 1;
   }
-  if (($serial->{num_reads} > 1) and (tv_interval($serial->{starttime}) > $serial->{timeout})) {
-    main::Log3($serial->{name},5, "OWX_DS2480 read: After loop no. $serial->{num_reads} received: ".unpack("H*",$serial->{string_in}). " -> TIMEOUT");
-    die "OWX_DS2480 read timeout, bytes read: $serial->{retcount}, expected: $serial->{retlen}" ;
-  }
   return 0;
 }
 
@@ -235,7 +231,6 @@ sub start_query() {
   $serial->{num_reads} = 0;
   $serial->{retlen} = 0;
   $serial->{retcount} = 0;
-  $serial->{starttime} = [gettimeofday];
 }
 
 ########################################################################################
diff --git a/fhem/FHEM/OWX_SER.pm b/fhem/FHEM/OWX_SER.pm
index 7b9981690..025584de8 100644
--- a/fhem/FHEM/OWX_SER.pm
+++ b/fhem/FHEM/OWX_SER.pm
@@ -51,7 +51,6 @@ sub new() {
     alarmdevs => [],
     devs => [],
     fams => [],
-    timeout => 1.0, #default timeout 1 sec.
   };
   return bless $self,$class;
 }
@@ -236,10 +235,11 @@ sub initialize() {
     #-- write 1-Wire bus (Fig. 2 of Maxim AN192)
     $ds2480->start_query();
     $ds2480->query("\x17\x45\x5B\x0F\x91",5);
-    eval {   #ignore timeout
+    my $until = gettimeofday + main::AttrVal($hash->{NAME},"timeout",1);
+    eval {
       do {
-        $ds2480->read();
-      } while (!$ds2480->response_ready());
+        $ds2480->poll();
+      } until ($ds2480->response_ready() or gettimeofday >= $until);
     };
     $res = $ds2480->{string_in};
     #-- process 4/5-byte string for detection