tests/modbus/modbus_0@modbus/ModbusTCPserver_0@ModbusTCPserver/InputRegs@MemoryArea/confnode.xml
PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
<?xml version='1.0' encoding='utf-8'?>
<MemoryArea xmlns:xsd="http://www.w3.org/2001/XMLSchema" MemoryAreaType="04 - Input Registers"/>