diff -r b276d05bdb09 -r 556935640ec0 modbus/modbus.py
--- a/modbus/modbus.py	Tue Jun 16 10:16:25 2020 +0200
+++ b/modbus/modbus.py	Tue Jun 16 11:12:36 2020 +0200
@@ -284,6 +284,8 @@
 #
 #
 
+# XXX TODO "Configuration_Name" should disapear in favor of CTN Name, which is already unique
+
 class _ModbusTCPclientPlug(object):
     XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>
     <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
@@ -361,6 +363,8 @@
 #
 #
 
+# XXX TODO "Configuration_Name" should disapear in favor of CTN Name, which is already unique
+
 class _ModbusTCPserverPlug(object):
     # NOTE: the Port number is a 'string' and not an 'integer'!
     # This is because the underlying modbus library accepts strings
@@ -448,6 +452,8 @@
 #
 #
 
+# XXX TODO "Configuration_Name" should disapear in favor of CTN Name, which is already unique
+
 class _ModbusRTUclientPlug(object):
     XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>
     <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
@@ -539,6 +545,7 @@
 #
 #
 
+# XXX TODO "Configuration_Name" should disapear in favor of CTN Name, which is already unique
 
 class _ModbusRTUslavePlug(object):
     XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>