diff --git a/schainpy/controller.py b/schainpy/controller.py
index 69334f4..e16f526 100644
--- a/schainpy/controller.py
+++ b/schainpy/controller.py
@@ -711,8 +711,7 @@ class ProcUnitConf():
             #print "\tRunning the '%s' operation with %s" %(opConfObj.name, opConfObj.id)
             sts = self.procUnitObj.call(opType = opConfObj.type,
                                         opName = opConfObj.name,
-                                        opId = opConfObj.id,
-                                        **kwargs)
+                                        opId = opConfObj.id)
             
             #             total_time = time.time() - ini
             #              
diff --git a/schainpy/scripts/schain.xml b/schainpy/scripts/schain.xml
index 4f5a3e2..d09d9af 100644
--- a/schainpy/scripts/schain.xml
+++ b/schainpy/scripts/schain.xml
@@ -1 +1 @@
-<Project description="Testing USRP data reader" id="191" name="test01"><ReadUnit datatype="Spectra" id="1911" inputId="0" name="SpectraReader"><Operation id="19111" name="run" priority="1" type="self"><Parameter format="str" id="191111" name="datatype" value="Spectra" /><Parameter format="str" id="191112" name="path" value="/home/nanosat/john" /><Parameter format="date" id="191113" name="startDate" value="2017/09/03" /><Parameter format="date" id="191114" name="endDate" value="2017/09/03" /><Parameter format="time" id="191115" name="startTime" value="00:00:00" /><Parameter format="time" id="191116" name="endTime" value="23:59:59" /><Parameter format="int" id="191118" name="cursor" value="7" /><Parameter format="int" id="191119" name="skip" value="3" /><Parameter format="int" id="191120" name="walk" value="1" /><Parameter format="int" id="191121" name="online" value="0" /></Operation></ReadUnit><ProcUnit datatype="SpectraProc" id="1912" inputId="1911" name="SpectraProc"><Operation id="19121" name="run" priority="1" type="self"><Parameter format="int" id="191211" name="nProfiles" value="860" /><Parameter format="int" id="191212" name="nFFTPoints" value="8" /></Operation><Operation id="19122" name="PublishData" priority="2" type="other"><Parameter format="int" id="191221" name="zeromq" value="1" /><Parameter format="bool" id="191222" name="verbose" value="0" /></Operation></ProcUnit></Project>
\ No newline at end of file
+<Project description="Testing USRP data reader" id="191" name="test01"><ReadUnit datatype="Voltage" id="1911" inputId="0" name="VoltageReader"><Operation id="19111" name="run" priority="1" type="self"><Parameter format="str" id="191111" name="datatype" value="Voltage" /><Parameter format="str" id="191112" name="path" value="/home/nanosat/driftsJohn" /><Parameter format="date" id="191113" name="startDate" value="2017/09/08" /><Parameter format="date" id="191114" name="endDate" value="2017/09/08" /><Parameter format="time" id="191115" name="startTime" value="00:00:00" /><Parameter format="time" id="191116" name="endTime" value="23:59:59" /><Parameter format="int" id="191118" name="cursor" value="5" /><Parameter format="int" id="191119" name="skip" value="102" /><Parameter format="int" id="191120" name="delay" value="10" /><Parameter format="int" id="191121" name="walk" value="1" /><Parameter format="int" id="191122" name="online" value="0" /></Operation></ReadUnit><ProcUnit datatype="SpectraProc" id="1912" inputId="1911" name="SpectraProc"><Operation id="19121" name="run" priority="1" type="self"><Parameter format="int" id="191211" name="nFFTPoints" value="10" /></Operation><Operation id="19122" name="CohInt" priority="2" type="external"><Parameter format="float" id="191221" name="n" value="128" /></Operation><Operation id="19123" name="PublishData" priority="3" type="other"><Parameter format="int" id="191231" name="zeromq" value="1" /><Parameter format="bool" id="191232" name="verbose" value="0" /></Operation></ProcUnit></Project>
\ No newline at end of file