tests/projects/modbus/modbus_0@modbus/ModbusTCPclient_0@ModbusTCPclient/ModbusRequest_1@ModbusRequest/confnode.xml
OPC-UA, IDE: add CTN parameters to support OPC-UA encryption and authentication.
xmlclass had to be enhanced to support elements with no content in xsd:choice
<?xml version='1.0' encoding='utf-8'?>
<ModbusRequest xmlns:xsd="http://www.w3.org/2001/XMLSchema" Function="04 - Read Input Registers" SlaveID="0" Start_Address="0"/>