Index: simulator/plugins/alarms/loader.py
===================================================================
diff -u -rd0b375c0743a71e5fb0e3211ad15cc9404e5aa5d -r967521dff94783ce48b50abc8db6bcd67bb501bf
--- simulator/plugins/alarms/loader.py	(.../loader.py)	(revision d0b375c0743a71e5fb0e3211ad15cc9404e5aa5d)
+++ simulator/plugins/alarms/loader.py	(.../loader.py)	(revision 967521dff94783ce48b50abc8db6bcd67bb501bf)
@@ -10,7 +10,7 @@
 # parent
 from simulator.dynamicloader import DynamicLoader
 # hd Simulator
-from dialin.ui.hd_simulator import HDSimulator
+from simulator.interface import SimulationInterface
 # plugin specific
 from dialin.common.prs_defs import AlarmPriority
 
@@ -95,9 +95,8 @@
         AlarmPriority.ALARM_HIGH: 'rgb(239, 41, 41)'
     }
 
-    def __init__(self, hd_simulator: HDSimulator):
-        super().__init__(os.path.dirname(__file__), hd_simulator)
-        self.alarm = hd_simulator.alarm()
+    def __init__(self, interface: SimulationInterface):
+        super().__init__(os.path.dirname(__file__), interface)
 
     def _init_loader(self):
         """
@@ -237,7 +236,7 @@
         mute_out = self.spnMuteTimeout.value()
         if alarm_id >= 0:
             self.set_flags()
-            self.alarm.cmd_activate_alarm_id(
+            self.interface.alarm.cmd_activate_alarm_id(
                 self.priority,
                 alarm_id,
                 escalate,
@@ -263,9 +262,10 @@
             data_field_2 = "0"
 
         if alarm_id:
-            self.alarm.cmd_set_alarm_triggered(alarm_id,
-                                               field_descriptor_1, data_field_1,
-                                               field_descriptor_2, data_field_2)
+            self.interface.alarm.cmd_set_alarm_triggered(
+                alarm_id,
+                field_descriptor_1, data_field_1,
+                field_descriptor_2, data_field_2)
             self.__append_triggered_row(alarm_id)
 
     @Slot()
@@ -275,7 +275,7 @@
         :return: none
         """
         [alarm_id, row] = self.alarm_id()
-        self.alarm.cmd_set_alarm_cleared(alarm_id)
+        self.interface.alarm.cmd_set_alarm_cleared(alarm_id)
         self.tblTriggeredIDs.removeRow(row)
 
     @Slot()
@@ -285,7 +285,7 @@
         :return: none
         """
         [alarm_id, row] = self.alarm_id()
-        self.alarm.cmd_set_alarm_cleared_condition(alarm_id)
+        self.interface.alarm.cmd_set_alarm_cleared_condition(alarm_id)
         self.tblTriggeredIDs.item(row, self.eColID).setBackground(self.colors[AlarmPriority.ALARM_NONE])
         self.tblTriggeredIDs.item(row, self.eColID).setSelected(False)
 
@@ -318,7 +318,7 @@
         a7 = self.spnP7.value()
         a8 = self.spnP8.value()
         a9 = self.spnP9.value()
-        self.alarm.cmd_send_active_list_response(True, 0, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)
+        self.interface.alarm.cmd_send_active_list_response(True, 0, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)
 
     @Slot()
     def do_active_list_reject(self):
@@ -327,7 +327,7 @@
         :return: none
         """
         reason = self.spnReason.value()
-        self.alarm.cmd_send_active_list_response(False, reason)
+        self.interface.alarm.cmd_send_active_list_response(False, reason)
 
     @Slot()
     def on_status_ids_item_clicked(self, item: QtWidgets.QTableWidgetItem):