Index: simulator/plugins/rinseback/loader.py
===================================================================
diff -u -rf4523ffcaff0d27f7392c943f0a487fcb01a7d34 -r9696f8b120608ac427f8b85d4f8ed2fd259e5d9e
--- simulator/plugins/rinseback/loader.py	(.../loader.py)	(revision f4523ffcaff0d27f7392c943f0a487fcb01a7d34)
+++ simulator/plugins/rinseback/loader.py	(.../loader.py)	(revision 9696f8b120608ac427f8b85d4f8ed2fd259e5d9e)
@@ -9,7 +9,8 @@
 # parent
 from simulator.dynamicloader import DynamicLoader
 # hd Simulator
-from dialin.ui.hd_simulator import HDSimulator, TXStates
+from simulator.interface import SimulationInterface
+from dialin.ui.hd_simulator import TXStates
 # plugin specific
 # -- none --
 
@@ -31,9 +32,8 @@
 
     requested_state: TXStates
 
-    def __init__(self, hd_simulator: HDSimulator):
-        super().__init__(os.path.dirname(__file__), hd_simulator)
-        print(" ---------- ", self.hd_simulator)
+    def __init__(self, interface: SimulationInterface):
+        super().__init__(os.path.dirname(__file__), interface)
         self.requested_state = TXStates.RINSEBACK_STOP_INIT_STATE
 
     def _init_loader(self):
@@ -81,7 +81,7 @@
         the slot for accept button
         :return: none
         """
-        self.hd_simulator.cmd_send_treatment_adjust_rinseback_response(True, 0)
+        self.interface.hd.cmd_send_treatment_adjust_rinseback_response(True, 0)
         self.lblAction.setText('Accepted ')
 
     @Slot()
@@ -91,7 +91,7 @@
         :return: none
         """
         reason = self.spnRejectReason.value()
-        self.hd_simulator.cmd_send_treatment_adjust_rinseback_response(False, reason)
+        self.interface.hd.cmd_send_treatment_adjust_rinseback_response(False, reason)
         self.lblAction.setText('Rejected ' + "{}".format(reason))
 
     @Slot()
@@ -107,4 +107,4 @@
         timeout_total = self.sldTimeoutTotal.value()
         timeout_countdown = self.sldTimeoutCountDown.value()
 
-        self.hd_simulator.cmd_send_treatment_rinseback_data(target, current, rate, timeout_total, timeout_countdown)
+        self.interface.hd.cmd_send_treatment_rinseback_data(target, current, rate, timeout_total, timeout_countdown, 0)