diff --git a/lighthub/itemCmd.cpp b/lighthub/itemCmd.cpp
index 7db7d71..575d19c 100644
--- a/lighthub/itemCmd.cpp
+++ b/lighthub/itemCmd.cpp
@@ -1455,7 +1455,8 @@ if (valMapping && valMapping->type == aJson_Array && aJson.getArraySize(valMappi
     if (getInt()<aJson.getArrayItem(valMapping,2)->valueint) return itemCmd().Int((uint32_t) 0);  
      int diff = ((b-a)/(d-c))/2;
      //return itemCmd().Int((uint32_t) constrain(map(getInt(),c,d,a,b)+diff,0,255));  
-     return itemCmd().Int((uint32_t) map(getInt(),c,d,a,b)+diff);  
+     return itemCmd().Int((uint32_t) constrain(map(getInt(),c,d,a,b)+diff,0,b));  
+     //return itemCmd().Int((uint32_t) map(getInt(),c,d,a,b)+diff);  
     }
   if (valMapping && valMapping->type == aJson_NULL) return itemCmd();  
   return *this;
diff --git a/lighthub/modules/out_modbus.cpp b/lighthub/modules/out_modbus.cpp
index 1df7a42..78481c7 100644
--- a/lighthub/modules/out_modbus.cpp
+++ b/lighthub/modules/out_modbus.cpp
@@ -731,7 +731,7 @@ if (itemParametersObj && itemParametersObj->type ==aJson_Object)
                                                   debugSerial<<"MBUS: SEND "<<item->itemArr->name<<" ";   
                                                   sendRes = sendModbus(execObj->name,outValue);
                                                   needResend = (savedValue != outValue->valueint);
-                                                  //while(needResend && mbusSlenceTimer && !isTimeOver(mbusSlenceTimer,millis(),100)) modbusIdle();
+                                                  while(needResend && mbusSlenceTimer && !isTimeOver(mbusSlenceTimer,millis(),100)) modbusIdle();
                                                   }
                                               while (needResend); //repeat sending if target value changed while we're waited for mbus responce